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US 5,904,132 AGranted
Spear fishing gun
AssigneeThe A B Biller Company
InventorAlfred B. Biller
Life of this patent
Estimating the term…
Abstract
A spear fishing gun having a receiver assembly that has a grip housing containing a removable trigger assembly with a spear point shaft latch bar, a trigger, and a safety pawl mounted on a shaft extending through the trigger assembly and the grip housing with an external operator, with the shaft being supported in the grip housing in a manner to increase its stability. The grip housing has a line holding and release assembly that is automatically tensioned as it is assembled to the grip housing, and a muzzle assembly is provided that permits the lateral insertion and removal of the spearpoint shaft.
Claims14
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly having a frame with side walls removably received inside the grip housing side walls, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, widely spaced plastic bearings fixed to shaft means, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and widely spaced plastic bearing means in the grip outer housing side walls for rotatably receiving the shaft means widely spaced bearings rather than in the trigger assembly to increase the stability of the shaft means, safety pawl and operator.
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly having a frame with side walls removably received inside the grip housing side walls, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and bearing means in the grip outer housing for the shaft means to increase the stability of the shaft means, safety pawl and operator, said trigger assembly frame having a slot therein for receiving the safety pawl and holding it against axial movement, spring means on the shaft means reacting against the trigger assembly frame and the shaft means for urging the shaft means in a direction to urge the pivotal operator toward the grip outer housing.
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly having a frame with side walls removably received inside the grip housing side walls, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and bearing means in the grip outer housing for the shaft means to increase the stability of the shaft means, safety pawl and operator, said bearing means fixed to the shaft means including an annular bearing carried by the end of the shaft means opposite its projecting end and seated in an aperture in the grip outer housing and the operator has a tubular boss rotatably mounted in an aperture in the housing, said trigger assembly frame having a slot therein for receiving the safety pawl and holding it against axial movement, spring means on the shaft means reacting against the trigger assembly frame and the shaft means for urging the shaft means in a direction to urge the pivotal operator toward the grip outer housing.
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly removably received in the outer grip housing with a frame, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and bearing means in the grip outer housing for the shaft means to increase the stability of the shaft means, safety pawl and operator, wherein the bearing means includes an annular bearing carried by the end of the shaft means opposite its projecting end and seated in an aperture in the grip outer housing, and the operator has a tubular boss rotatably mounted in an aperture in the housing, said trigger assembly frame having a slot therein for receiving the safety pawl and holding it against axial movement, spring means on the shaft means reacting against the trigger assembly frame and the shaft means for urging the shaft means in a direction to urge the pivotal operator toward the grip outer housing, said spring means reacting against the annular bearing.
A grip assembly for a fishing spear-gun comprising:
- a grip housing having a handle, a trigger assembly in the grip housing, guide means for receiving the proximal end of a spearpoint shaft, a line assembly for tethering the spearpoint shaft including a line holding and release assembly carried by the grip housing including a line holding finger bar pivotally mounted in the grip housing between a line holding position and a line release position, shaft means in the housing pivotally supporting the finger bar in the grip housing, and spring means urging the finger bar toward the line holding position, and means mounting the spring means in the grip housing so the finger bar is automatically tensioned as the finger bar and shaft means are mounted in the grip housing including a projection in the housing for holding one end of the spring means and tensioning the finger bar as the bar is rotated to its line holding position prior to insertion of the shaft during assembly.
A grip assembly for a fishing speargun, comprising:
- a grip housing having a handle, a trigger assembly in the grip housing, guide means for receiving the proximal end of a spearpoint shaft, a line assembly for tethering the spearpoint shaft including a line holding and release assembly carried by the grip housing including a line holding finger bar pivotally mounted in the grip housing between a line holding position and a line release position, shaft means in the housing pivotally supporting the finger bar in the grip housing, and a spring urging the finger bar toward the line holding position, and means mounting the spring means in the grip housing so the finger bar is automatically tensioned as the finger bar and shaft means are mounted in the grip housing, said means for automatically tensioning the finger bar includes a projection fixed in the grip housing for holding one end of the spring means fixed with respect to the grip housing, and an aperture in the finger bar for receiving the other end of the spring, whereby the spring is assembled first in the housing and the finger bar is connected to the spring before the shaft means is fully seated in the grip housing and when fully seated the finger bar is appropriately tensioned.
A grip assembly for a fishing speargun, comprising:
- a grip housing having a handle, a trigger assembly in the grip housing, guide means for receiving the proximal end of a spearpoint shaft, a line assembly for tethering the spearpoint shaft including a line holding and release assembly carried by the grip housing including a line holding finger bar pivotally mounted in the grip housing between a line holding position and a line release position, shaft means in the housing pivotally supporting the finger bar in the grip housing, and a spring urging the finger bar toward the line holding position, and means mounting the spring means in the grip housing so the finger bar is automatically tensioned as the finger bar and shaft means are mounted in the grip housing, wherein the means for automatically tensioning the finger bar includes a projection fixed in the grip housing for holding one end of the spring means fixed with respect to the grip housing, and an aperture in the finger bar for receiving the other end of the spring, whereby the spring is assembled first in the housing and the finger bar is connected to the spring before the shaft means is fully seated in the grip housing and when fully seated the finger bar is appropriately tensioned, wherein the projection in the grip housing for holding one end of the spring means includes a small pin in the grip housing.
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly having a frame with side walls removably received in the grip outer housing side walls, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and bearing means in the grip outer housing for the shaft means to increase the stability of the shaft means, safety pawl and operator, a line assembly for tethering the spearpoint shaft including a line holding and release assembly carried by the grip housing including a line holding finger bar pivotally mounted in the grip housing between a line holding position and a line release position, shaft means in the housing pivotally supporting the finger bar in the grip housing, and a spring urging the finger bar toward the line holding position, and means mounting the spring means in the grip housing so the finger bar is automatically tensioned as the finger bar and shaft means are mounted in the grip housing.
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly having a frame with side walls removably received in the grip outer housing side walls, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and bearing means in the grip outer housing for the shaft means to increase the stability of the shaft means, safety pawl and operator, a muzzle assembly for receiving and supporting the distal end of the spearpoint shaft, and means in the muzzle assembly to permit the lateral insertion and removal of the spearpoint shaft to eliminate the need for threading the spearpoint shaft completely through the muzzle assembly.
A grip assembly for a fishing speargun, comprising:
- a grip outer housing having a handle and spaced side walls, a trigger assembly having a frame with side walls removably received in the grip housing side walls, said frame having guide means for receiving the proximal end of a spearpoint shaft, a trigger pivotally mounted in the trigger frame, a latch bar having a set position and a reset position engageable by the spearpoint shaft proximal end as the shaft is inserted into the frame guide means, said latch bar also having a pawl when in the set position engageable with the shaft proximal end for holding the shaft in a set position in the guide means against the force of firing bands pulling on the shaft, said trigger being selectively operable to hold the latch bar in its set position and to release the latch bar as the trigger is pulled, a pivotal safety pawl for selectively preventing movement of the latch bar from its set position, shaft means on which the safety pawl is non-rotatably mounted, said shaft means having an end projecting from the grip outer housing, a pivotal operator for the safety pawl fixed to the projecting end of the shaft means, and bearing means in the grip outer housing for the shaft means to increase the stability of the shaft means, safety pawl and operator, a line assembly for tethering the spearpoint shaft including a line holding and release assembly carried by the grip housing including a line holding finger bar pivotally mounted in the grip housing between a line holding position and a line release position, shaft means in the housing pivotally supporting the finger bar in the grip housing, and a spring urging the finger bar toward the line holding position, and means mounting the spring means in the grip housing so the finger bar is automatically tensioned as the finger bar and shaft means are mounted in the grip housing, a muzzle assembly for receiving and supporting the distal end of the spearpoint shaft, and means in the muzzle assembly to permit the lateral insertion and removal of the spearpoint shaft to eliminate the need for threading the spearpoint shaft completely through the muzzle assembly.
Dependencies are inferred from the claim text.