Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1988-09-13
1990-04-03
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
2941191, 901 37, B25J 1508
Patent
active
049134817
ABSTRACT:
A clean room gripper having sliding jaws and including a pressurized piston cylinder and actuator section for moving the jaws towards and away from one another. The jaws are in the form of upper and lower finger sections, with the lower section being provided with a sliding seal located between it and a mating outer surface of an evacuated chamber, whereby no particles or dust created within the unit because of mechanical action will be allowed to escape from the gripper during operation to add to contamination of the environment in a clean room.
REFERENCES:
patent: 3135396 (1964-06-01), Grainger
patent: 3759563 (1973-09-01), Kitamura
patent: 4354785 (1982-10-01), Garnier
patent: 4474518 (1984-10-01), Critchley et al.
patent: 4607873 (1986-08-01), Nusbaumer
patent: 4667998 (1987-05-01), Borcea et al.
patent: 4671553 (1987-06-01), Bertini
patent: 4707013 (1987-11-01), Vranish et al.
patent: 4715637 (1987-12-01), Hosoda et al.
patent: 4723806 (1988-02-01), Yuda
Chin Laurence D.
Hiscock Christopher J.
Applied Power Inc.
Cherry Johnny D.
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