Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1994-12-12
1997-01-21
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
2941191, 901 37, B25J 1508
Patent
active
055954138
ABSTRACT:
A fluid actuated gripper mechanism with opposed gripper slides received on ways of a housing and actuated by opposed pistons received in a common bore. Each piston is transfixed by a coupling pin secured to one slide. Movement of the pistons and slides is synchronized by a lever pivotally mounted in the housing and having equally radially spaced apart and parallel elongate cam slots in which the coupling pins are received.
REFERENCES:
patent: 4252358 (1981-02-01), Klebs
patent: 4588068 (1986-05-01), Nebelung
patent: 4611377 (1986-09-01), McCormick
patent: 4913481 (1990-04-01), Chin et al.
patent: 5163729 (1992-11-01), Borcea et al.
McGeachy Donald E.
Schneid Jeffrey R.
Cherry Johnny D.
Numation, Inc.
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