Pneumatic pickup tool for small parts

Details Pneumatic pickup tool for small parts Pneumatic pickup tool for small parts

1997-03-14

1999-07-27

Walberg, Teresa

Electric heating

Heating devices

Tool or instrument

219228, 294 641, H05B 100

Patent

active

059285370

ABSTRACT:
A hand held pickup tool is disclosed having a pickup head which may selectively operate as a suction cup for holding small parts or as a venturi effect lift device. For the suction cup mode the tool is supplied with a vacuum and in the venturi lift mode with a positive air flow. A pneumatic circuit is disclosed which includes a venturi vacuum generator operated by a source of shop compressed air. By a simple air switch, the operator may select whether the circuit provides vacuum to the pickup tool or whether the venturi generator is, effectively bypassed to supply a positive air flow to the tool. Various examples of pickup heads for the tool are disclosed which function selectively either as suction holders or venturi lift devices.

REFERENCES:
patent: 2280658 (1942-04-01), Miller
patent: 3466079 (1969-09-01), Mammel
patent: 3517958 (1970-06-01), Boucher et al.
patent: 3523706 (1970-08-01), Logue
patent: 3912317 (1975-10-01), Ohnaka
patent: 4828306 (1989-05-01), Blatt
patent: 4969676 (1990-11-01), LaMagna
patent: 5106139 (1992-04-01), Palmer et al.
patent: 5290082 (1994-03-01), Palmer et al.
patent: 5314223 (1994-05-01), Harper, Jr. et al.

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