Handling: hand and hoist-line implements – Utilizing fluid pressure – Venturi effect
Patent
1987-06-11
1988-08-16
Marbert, James B.
Handling: hand and hoist-line implements
Utilizing fluid pressure
Venturi effect
414627, 414752, 271103, B66C 102, B65H 308
Patent
active
047639415
ABSTRACT:
The automatic vacuum gripper comprises a gripper member with a resilient seal coupled to a hollow piston and shaft. The piston is spring loaded downward in a cylinder coupled to a vacuum source. With vacuum applied, the piston does not move until the gripped part is completely sealed to the gripper member.
REFERENCES:
patent: 4189137 (1980-02-01), Denney et al.
Cooper Albert B.
Marbert James B.
Marhoefer Laurence J.
Unisys Corporation
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