Method and apparatus for transporting perforated objects

Details Method and apparatus for transporting perforated objects Method and apparatus for transporting perforated objects

1987-11-10

1989-11-21

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

B66C 102

Patent

active

048817708

ABSTRACT:
A gripper head for connection with a suction device includes an air permeable suction plate having selected portions covered by a readily replaceable cover mask so that only the uncovered portions of the suction plate are suctionally active. The uncovered portions of a perforated object to be gripped by the gripper head having relatively few perforations.

REFERENCES:
patent: 2953808 (1960-09-01), Carmack
patent: 3523707 (1970-08-01), Roth
patent: 3631796 (1972-01-01), Hastings
patent: 3743340 (1973-07-01), Williamann
patent: 4049484 (1977-09-01), Priest et al.
patent: 4674785 (1987-06-01), Riesenberg
patent: 4712784 (1987-12-01), Carrell
patent: 4799722 (1989-01-01), Marzinotto

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