Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1991-01-24
1992-10-06
Focarino, Margaret A.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
294115, 269 34, B25J 1508
Patent
active
051525682
ABSTRACT:
A fluid pressure actuated gripper including a fluid pressure actuated motor including a cylinder and a piston with the piston being fixedly mounted by a purality of support rods upon a fixed base. The support rods are slidably and sealingly received in the rear end wall of the cylinder and passages through the support rods are employed to conduct fluid under pressure to and from the opposite ends of the piston chamber. A piston rod projecting from the front end of the cylinder is pivotally coupled to linkage operatively connected to gripper jaws pivoted on extensions of the cylinder. In operation, the piston remains stationary and movement of the cylinder relative to the piston is employed to open and close the jaws. The jaws are carried upon pivots which move horizontally with the cylinder, hence horizontal displacement of the jaws relative a fixed reference point is substantially increased as compared to grippers in which the jaw pivots are stationary during operation.
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Focarino Margaret A.
Pape Joseph D.
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