Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1984-11-19
1986-01-28
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
294115, B25B 1508
Patent
active
045667276
ABSTRACT:
A robotic gripper is described having opposed fingers which are positively opened and closed through the use of a bushing, powered for a limited stroke up and down by fluid pressure, wherein the bushing is carried within a recess closely conforming thereto in the fingers, and an overlapping or over-gripping action of the fingers is provided by reason of slightly tapering opposed engaging surfaces carried by the grippers.
REFERENCES:
patent: 2853905 (1958-09-01), Reisacher et al.
patent: 3075800 (1963-01-01), Rowekamp
patent: 3386297 (1968-06-01), Willis
patent: 3493137 (1970-02-01), Nilsen et al.
patent: 4211123 (1980-07-01), Mack
patent: 4234223 (1980-11-01), O'Neil
patent: 4348044 (1982-09-01), Wood
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