Loader/unloader with selectively actuatable suction elements

Details Loader/unloader with selectively actuatable suction elements Loader/unloader with selectively actuatable suction elements

2005-03-01

2005-03-01

Kramer, Dean J. (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Frames

C294S064200

Reexamination Certificate

active

06860534

ABSTRACT:
A workpiece loading apparatus has a large number of selectively targetable suction grips (4) provided in a divided suction grip array (17, 18) which suction is subdivided into individually addressable, mutually intersecting columns (1) and rows (2). All suction grips (4) are associated with dedicated control pistons (5) all of which can be moved into an idle position or an operating position upon the release of a lock latch (16). Each control piston (5) is assigned to the point of intersection (3) of a particular column (1) and row (2) and is selectably held in its idle position or locked in an operating position. The idle positions can be sequentially unlocked row by row (2) and the operating positions of the control pistons (5) can be addressed by columns (1) and then locked by rows (2). Once all rows (2) have been set, the suction grips (4) can be activated into the pick-up mode or deactivated by the control pistons (5).

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