Gripper apparatus

Details Gripper apparatus Gripper apparatus

1984-06-12

1986-03-25

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

B25B 100

Patent

active

045778981

ABSTRACT:
A gripping apparatus is provided which includes a pair of jaw pads that are independently and pivotally mounted to a pair of bell cranks which are spaced apart from each other and which are pivotally mounted to a supporting structure; the supporting strucuture is mounted to a power cylinder; the power cylinder provides oscillating actuation of the bell cranks through a dog retainer and a spherical portion of the bell cranks; and parallel mechanisms, which include one lever arm of each of the bell cranks, and which include a pair of parallel links, keep pad surfaces of the jaw pads parallel to each other as the lever arms of the bell cranks move arcuately.

REFERENCES:
patent: 3386297 (1968-06-01), Willis
patent: 4243257 (1981-01-01), Shackleford

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