Suction pick-up apparatus for electrical or electronic component

Details Suction pick-up apparatus for electrical or electronic component Suction pick-up apparatus for electrical or electronic component

1989-07-07

1991-02-26

Hall, Carl E.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

29740, 29743, H05K 330, B25J 1506, B65G 4791

Patent

active

049956620

ABSTRACT:
A pick-up head (10) of the apparatus has three alternative pick-up surfaces (24,34,64) formed respectively on a body (16), a first piston member (30), and a second piston member (60). The first piston member (30) is slidable in a cylinder (22a) formed in the body (16) and the second piston member (60) is slidable in a cylinder (48a) formed in the first piston member (30). The piston members (30,60) are movable between projecting positions and retracted positions. When both piston members are retracted, the surface (24) of the body (16) is used, when only the second piston member (60) is retracted, the surface (34) of the first piston member (30) is used, and, when neither piston member is retracted, the surface (64) of the second piston member (60) is used.

REFERENCES:
patent: 4762354 (1988-08-01), Gfeller et al.
patent: 4815779 (1989-03-01), Glessner et al.

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