Sprinkler device with angular control

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a top, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain a desired angle of oscillation, wherein said setting means includes indicating means on the exterior of the top of said nozzle assembly means for reading out the angle of oscillation.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain the desired angle of oscillation, wherein one of said angular limit contact means is flexible to allow a new smaller desired angle of oscillation to be obtained by permitting said angular limit contact means to bend when forced to move past its cooperating actuation means to put said actuation means at a point outside of said new smaller desired angle of oscillation, said cooperating actuation means being contoured to cam said flexible limit contact means around said cooperating actuation means to place said actuation means within the new smaller desired angle of oscillation when said flexible limit contact means is driven against the cooperating actuation means from outside of said desired angle of oscillation.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a top surface, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain the desired angle of oscillation, wherein said output shaft means has two relatively movable hollow output shafts including an inner output shaft and an outer output shaft, one angular limit contact means being connected to said inner output shaft, said other angular limit contact means being connected to said outer output shaft, means connecting said inner output shaft to said nozzle assembly means for driving it, means connecting said outer output shaft to said nozzle assembly means for driving it, said setting means on said nozzle assembly means being operable to rotate one output shaft relative to the other output shaft for positioning said two angular limit contact means at a desired angular position relative to each other and for indicating said desired angular position on the top surface of said nozzle assembly.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain the desired angle of oscillation, wherein said actuation means has reversing limits in its reversing mechanism, said one of said angular limit contact means being set is movable to permit it to be forced past said actuation means when said actuation means is at a reversing limit if it is necessary to reduce the angle of oscillation further.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain the desired angle of oscillation, whereas said actuation means has reversing limits in its reversing mechanism, said actuation means being movable to permit one of said angular limit contact means to be forced past said actuation means when said actuation means is at a reversing limit if it is necessary to reduce the angle of oscillation further.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain the desired angle of oscillation, means connecting said reversing mechanism to the angular limit contact means to allow the angular limit contact means being set to be moved to any position to reduce the desired angle of oscillation, wherein said connecting means is a clutch means having a single engaged operating position, said clutch means being forced from said engaged position to reduce the desired angle of oscillation, said clutch means having means for resetting at said engaged position when said rotary drive assembly is driving.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive mechanism in said housing, said rotary gear drive mechanism having an output gear means for driving said output shaft means, said rotary gear drive mechanism having a reversing means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing means having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means including means for mounting and setting said two angular limit contact means for relative movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, first clutching means between said output shaft means and said output gear means of said rotary gear drive mechanism for driving said output shaft means such that the output shaft means may be forcibly rotated without damage to the gear drive mechanism, a second clutching means between said angular limit contact means and said reversing means for allowing said nozzle assembly means to be forcibly rotated without damage to the rotary gear drive mechanism.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, said outut shaft means having two angular limit contact means rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, means mounting said two angular limit contact means on said output shaft means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for moving said angular limit contact means relative to each other, and clutching means between said rotary drive assembly and said nozzle assembly means to prevent damage to the rotary drive assembly when the nozzle assembly means is forcibly rotated while allowing retention of the desired angle of oscillation.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric output shafts including an inner output shaft and an outer output shaft, one angular limit contact means being fixed to said inner output shaft, said other angular limit contact means being fixed to said outer output shaft, means connecting said inner and outer output shafts to said nozzle assembly means for driving it, said means connecting said outer output shaft to said nozzle assembly means including setting means for positioning said other angular limit contact means at a desired angular position relative to said one angular contact means, and indicating means on the exterior of said nozzle assembly means for indicating said angular position of said other angular limit contact means to said one angular contact means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, means mounting said two angular limit contact means on said output shaft means for relative movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means for moving said angular limit contact means relative to each other to obtain the desired angle of oscillation, said output shaft means having two relatively movable concentric output shafts including an inner output shaft and an outer output shaft, one angular limit contact means being fixed to said inner output shaft, said other angular limit contact means being fixed to said outer output shaft, means fixedly connecting said inner output shaft to said nozzle assembly means, said setting means being located on said nozzle assembly means for movement separate from said nozzle for moving the relative position of said two output shafts.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a top surface, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means connected to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two moveable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shft means, for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, and for indicating the desired angular position on the top surface of said nozzle assembly means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means connected to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shaft means and for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, wherein said actuation means has reversing limits in its reversing mechanism, said one of said angular limit contact means being set is movable to permit it to be forced past said actuation means when said actuation means is at a reversing limit if it is necessary to reduce the angle of oscillation further.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means conncted to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shaft means and for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, wherein said actuation means has reversing limits in its reversing mechanism, said actuation means being movable to permit an angular limit contact means to be forced past said actuation means when said actuation means is at a reversing limit if it is necessary to reduce the angle of oscillation further.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means connected to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting sad inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shaft means and for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, means connecting said reversing mechanism to the angular limit contact means to allow the angular limit contact means being set to be moved directly to any position to reduce the desired angle of oscillation.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means connected to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shaft means and for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, each shaft has a radial flange extending therefrom, one angular limit contact means extending from each flange to engage the actuation means, wherein said angular limit contact means are flexible, one of said angular limit contact means being mounted in a recess in its radial flange for making it easier to bend in one direction than the other permitting said flexible angular limit contact means to actuate said actuation means when it contacts it in one direction but not actuate it when it contacts it in the other direction, said flexible angular limit contact means being flexible enough to be forcibly moved past said actuation means during contact in the one direction.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means connected to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shaft means and for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, wherein said last named connecting means includes a first gear mounted on the top of said outer output shaft, a second gear mounted for rotation on a shaft in said nozzle assembly means, said first and second gears engaging each other, means for rotating said second gear to rotate said first gear and said outer output shaft for positioning.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, said output shaft means having two angular limit contact means rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving it, said means connecting said shafts to said nozzle assembly means including setting means for positioning one of said angular limit contact means at a desired angular position relative to the other angular limit contact means, and indicating means on the exterior of said nozzle assembly means for indicating said angular position of one of said angular limit contact means to the other of said angular limit contact means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, two angular limit contact means connected to and rotatable with said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means having two movable concentric shafts including an inner shaft and an outer shaft, one angular limit contact means being connected to said inner shaft, said other angular limit contact means being connected to said outer shaft, means connecting said inner and outer shafts to said nozzle assembly means for driving said nozzle assembly means by said output shaft means and for positioning one of said angular limit contact means at a desired angular position relative to the other angular contact means, wherein said rotary drive assembly has an output gear means for driving said output shaft means, said output gear means comprising an annular disc mounted for rotation in the top of said housing, said disc having a hole therein, said disc having a downwardly extending cylindrical flange with a ring gear formed thereon, said inner and outer output shafts extending through said hole in said annular disc for connection to said nozzle assembly means, said rotary drive assembly driving said ring gear, said radial flange on each shaft being positioned together, one of said radial flanges being positioned against said annular disc within said downwardly extending cylindrical flange, said one of said radial flanges and said annular disc forming a clutching means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation of said output shaft means, said output shaft means having two angular limit contact means thereon and rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said output shaft means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain a desired angle of oscillation, said output shaft means has two relatively movable hollow output shafts including an inner output shaft and an outer output shaft, one angular limit contact means being fixed to said inner output shaft, said other angular limit contact means being fixed to said outer output shaft, means connecting said inner output shaft to said nozzle assembly means for driving it, means connecting said outer output shaft to said nozzle assembly means for driving it, said setting means on said nozzle assembly means being operable to rotate one output shaft relative to the other output shaft for positioning said two angular limit contact means at a desired angular position relative to each other, wherein said output gear means is a ring gear on a skirt extending from an end surface, said end surface having an opening at the center thereof, said inner and outer output shafts extending through and mounted for rotation in said opening on said end surface, the end of each output shaft in said skirt having a radial flange extending therefrom, one angular limit contact means extending from each flange to engage the actuation means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation of said output shaft means, two angular limit contact means carried by said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain a desired angle of oscillation, wherein said setting means is for rotating one of said angular limit contact means in either direction to increase or decrease the angle of oscillation at any rotational position of said nozzle assembly means to obtain the desired angle of oscillation without first repositioning said nozzle assembly means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation of said output shaft means, two angular limit contact means carried by said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain a desired angle of oscillation, wherein one of said angular limit contact means is flexible permitting it to bend when forced to move past its cooperating actuation means to a point outside of said desired angle of oscillation, said cooperating actuation means being contoured to cam said flexible limit contact means around said cooperating actuation means to place said flexible limit contact means within the desired angle of oscillation when said flexible limit contact means is driven against the cooperating actuation means from outside of said desired angle of oscillation.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a nozzle, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation of said output shaft means, two angular limit contact means carried by said output shaft means for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, said output shaft means including means mounting said two angular limit contact means for relative rotational movement to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means to obtain a desired angle of oscillation, wherein said actuation means has reversing limits in its reversing mechanism, said one of said angular limit contact means being set is movable to permit it to be forced past said actuation means when said actuation means is at a reversing limit if it is necessary to reduce the angle of oscillation further.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation, said output shaft means having two separate annular flanges extending therefrom, one angular limit contact means being mounted on each annular flange, said annular flanges being rotatable with said output shaft means, said angular limit contact means being angularly spaced apart for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said annular flanges for changing the direction of rotation of said output shaft means, said actuation means extending between said angularly spaced apart angular limit contact means, said actuation means being a flexible projection, said flexible projection extending between two fixed projections on said reversing mechanism, said two fixed projections stiffening said flexible projection for rotative operation by said angular limit contact means, said flexible projection permitting each angular limit contact means to be rotatably forced past said flexible projection in one direction to prevent damage to the drive assembly, said angular limit contact means being contoured to bend said flexible projection radially outward between said two fixed projections by rotation in the other direction to allow said angular limit contact means to place said flexible projection back between the spaced apart angular limit contact means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation, said output shaft means having two separate annular flanges extending therefrom, one angular limit contact means being mounted on each annular flange, said annular flanges being rotatable with said output shaft means, said angular limit contact means being angularly spaced apart for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said annular flanges for changing the direction of rotation of said output shaft means, said actuation means extending between said angularly spaced apart angular limit contact means, said actuation means being a solid projection, said angular limit contact means each being a flexible projection, said flexible angular limit contact means permitting each angular limit contact means to be rotatably forced past said solid projection in one direction to prevent damage to the drive assembly, one of said flexible angular limit contact means being mounted in a notch in its annular flange to permit said angular limit contact means to be bent into said notch by rotation in the other direction to allow said angular limit contact means to place said solid projection back between the spaced apart angular limit contact means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation, said output shaft means having two separate annular flanges extending therefrom, one angular limit contact means being mounted on each annular flange, said annular flanges being rotatable with said output shaft means, said angular limit contact means being angularly spaced apart for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means on said annular flanges for changing the direction of rotation of said output shaft means, said actuation means extending between said angularly spaced apart angular limit contact means, said angular limit contact means each being a flexible projection extending to a different radius, said actuation means being a solid projection, said solid projection having two different heights at each of the two different radii for engagement with the angular limit contact means at that radius, said flexible angular limit contact means permitting each angular limit contact means to be rotatably forced past said solid projection in one direction to prevent damage to the drive assembly, each of said flexible angular limit contact means being mounted in a notch in its annular flange to facilitate the bending of the angular limit contact means, said solid projection having a rounded contour at each different height to permit its cooperative angular limit contact means to be biased upwardly by rotation in the other direction to allow said angular limit contact means to place said solid projection back between the spaced apart angular limit contact means.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary gear drive assembly in said housing, said rotary gear drive assembly having an output gear means for driving said output shaft means, said rotary gear drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output gear means to obtain oscillation, said output shaft means having two separate annular flanges extending therefrom, one angular limit contact means being mounted on each annular flange, said annular flanges being rotatable with said output shaft means, said angular limit contact means being angularly spaced apart for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for movement by said two angular limit contact means on said annular flanges through a torque limiting device for changing the direction of rotation of said output shaft means, said torque limiting device including two separate torque limiting annular flanges, means mounting said two separate torque limiting annular flanges for rotation below said two annular flanges on said output shaft means, said torque limiting annular flange adjacent said annular flange on said output shaft means having an upstanding arm for actuation by said angular limit contact means, said other torque limiting annular flange having means connecting it to said actuation means, means between said two separate torque limiting annular flanges controlling flange movement.

A rotary drive sprinkler comprising a sprinkler housing for receiving a supply of water, a nozzle assembly means for directing water therefrom, said nozzle assembly means having a top surface, said sprinkler housing having an output shaft means, said output shaft means connected to said nozzle assembly means, a rotary drive assembly in said housing for driving said output shaft means, said rotary drive assembly having a reversing mechanism including means for reversing the direction of rotation of said output shaft means to obtain oscillation, said output shaft means having two angular limit contact means rotatable therewith for setting a desired angle of oscillation of said nozzle assembly means, said reversing mechanism having actuation means for engagement by said two angular limit contact means for changing the direction of rotation of said output shaft means, means mounting said two angular limit contact means for relative rotational movement independent of the movement of said rotary drive assembly to change the desired angle of oscillation of said output shaft means and nozzle assembly means, setting means on said nozzle assembly means for rotating one of said angular limit contact means in either direction to increase or decrease the angle of oscillation, said setting means including indicating means for indicating the angle of oscillation at the top surface of said nozzle assembly means.