Handling: hand and hoist-line implements – Utilizing fluid pressure – Venturi effect
Patent
1987-11-10
1989-01-24
Cherry, Johnny D.
Handling: hand and hoist-line implements
Utilizing fluid pressure
Venturi effect
269 21, B25J 1506, B66C 102
Patent
active
047997222
ABSTRACT:
A vacuum-operated gripper head for transporting perforated objects. The gripper head includes a plurality of naps which penetrate into the perforations of the object to be moved in order to seal the perforations. Thus, only the topmost perforated object of a stack of such objects is removed by the gripper head.
REFERENCES:
patent: 2953808 (1960-09-01), Carmack
Cherry Johnny D.
Ciba-Giegy AG
Hoge Gary C.
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