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US 4,391,363 AGranted
Automatic latch for unloading auger
AssigneeSperry Corporation
InventorT. William Waldrop
Life of this patent
Estimating the term…
Abstract
A movable unloading auger is automatically latched and unlatched with respect to a support member by connecting a lifting winch and cable to a movable latch arm attached to the auger, thus advantageously permitting hands-off latching and unlatching operations. A latch pin is extended from the latch arm and is guided to obstruct movement of the auger relative to the support member.
Claims7
In combination with a container having a movable unloading auger, the improvement comprising:
- means for supporting said auger, said means being a support member connected to said container and extending therefrom;
- a latch arm pivotally mounted on said auger;
- a latch pin connected to said latch arm;
- means for guiding said latch pin to a first obstruction position relative to said support member;
- means connected for raising and lowering said auger, said means including a cable operably connected to pivot said latch arm to move said latch pin between said first position, and a second obstruction free position relative to said support member;
- resilient means for urging said latch pin from said second to said first position;
- means for limiting movement of said latch pin to said second position;
- said latch pin being moved from said first position to said second position when the tension in said cable overcomes the force of said resilient means;
- and
- said latch pin being moved from said second position to said first position when the force of said resilient means overcomes the tension in said cable.
7 more elements
An agricultural grinder-mixer comprising:
- an unloading auger movably connected to the mixer,
- means for supporting said auger, said means being a support member connected to and extending from said mixer;
- a latch arm pivotally mounted on said auger;
- means connected for raising and lowering said auger relative to said support, said means being a winch and cable operably connected to pivot said latch arm;
- a latch pin connected to said latch arm;
- means for guiding said latch pin to a first obstruction position relative to said support member, said latch pin extended through an aperture in said guide means, said latch pin including a stop means for limiting movement of said pin in response to engagement with said guide means;
- resilient means connected to said pin for engagement with said guide means and for urging said pin to said first position relative to said support member;
- and
- means connected for moving said latch pin to a second obstruction free position relative to said support member in response to movement of said winch and cable, said means including member interconnecting said latch pin with said latch arm;
- said latch pin being moved from said first position to said second position when the tension in said cable overcomes the force of said resilient means;
- and
- said latch pin being moved from said second position to said first position when the force of said resilient means overcomes the tension in said cable.
9 more elements
Dependencies are inferred from the claim text.