Holder fixed by vacuum for industrial use

Details Holder fixed by vacuum for industrial use Holder fixed by vacuum for industrial use

1986-04-04

1987-11-24

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

248362, 269 21, B25B 1100, B25J 1506

Patent

active

047083816

ABSTRACT:
A holder for industrial use attachable by vacuum comprises a rigid backpiece (3), a flexible intermediate element (2), and a central distance-maintaining element (1). The intermediate element (2) comprises a comparatively rigid sealing ring (9) with a sealing lip (13), which in use abuts against the element held fixed and with its opposite side against the backpiece (3). The central distance-maintaining element (1) is rigidly connected to the backpiece (3). The sealing ring (9) of the intermediate element (2) is movably and outwardly resiliently biassed in a direction away from the back piece. When the side of the sealing ring with the lip is unloaded and the ring is pressed outwardly, a vacuum valve (14) is automatically closed by the intermediate element, which valve opens when the holder is pressed against the object held fixed whereby the holder becomes attached by the sucking action.

REFERENCES:
patent: 2680994 (1954-06-01), Wood
patent: 3602543 (1971-08-01), Sjodin
patent: 4221356 (1980-09-01), Fortune
patent: 4561687 (1985-12-01), Bostrom
patent: 4646747 (1987-03-01), Lundback

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