Vacuum pickup tool for placing balls in a customized pattern

Details Vacuum pickup tool for placing balls in a customized pattern Vacuum pickup tool for placing balls in a customized pattern

1995-12-04

1998-05-12

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

B25J 1506

Patent

active

057496145

ABSTRACT:
A vacuum pickup tool (10) is effective to carry balls (18) arranged in a desired pattern. The vacuum pickup tool (10) includes a manifold (12) that includes a carrier plate (22) that has a plurality of manifold bores (28) arranged in a pattern. The manifold (12) defines a vacuum chamber (20) that reduces gas pressure in the manifold (12) to allow the manifold bores (28) to retain a ball (18). The manifold (12) further includes a retaining plate (14) that overlies the carrier plate (22) and includes a plurality of retaining plate bores (30) arranged in a pattern such that each retaining plate bore (30) registers with a corresponding manifold bore (28). The retaining plate (14) is effective to secure a stencil (16) formed of a gas-impermeable sheet against the carrier plate (22) to prevent gas flow between a manifold bore (28) and a corresponding retaining plate bore (30).

REFERENCES:
patent: 2572640 (1951-10-01), Lovegrove
patent: 3004766 (1961-10-01), Bryant
patent: 3390447 (1968-07-01), Mears
patent: 3556578 (1971-01-01), Meyers
patent: 3910621 (1975-10-01), Hillier
patent: 3933194 (1976-01-01), Hijikata et al.
patent: 4049484 (1977-09-01), Priest et al.
patent: 4786662 (1988-11-01), Dewez
patent: 4881770 (1989-11-01), Marzinotto et al.
patent: 4892296 (1990-01-01), Jelinek
patent: 5284287 (1994-02-01), Wilson et al.
patent: 5445313 (1995-08-01), Boyd et al.

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