Hand held vacuum actuated pickup instrument

Details Hand held vacuum actuated pickup instrument Hand held vacuum actuated pickup instrument

1985-06-07

1986-10-21

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

B25J 1506

Patent

active

046181784

ABSTRACT:
A hand held, vacuum actuated pickup instrument and method of operation are disclosed for an instrument of the type including an elongated body with a pickup attachable at one end and a tail stock at the other end for connection with a vacuum source. According to the present invention, a valve is arranged within the elongated body for selectively venting an axially extending passage connecting the pickup with the tail stock, the valve including a valve element overlying a vent opening, a lever portion attached to the valve element and a fulcrum providing for pivotal movement of the valve element. A restrictive opening is formed between the axially extending opening and the tail stock to further facilitate operation of the instrument.

REFERENCES:
patent: 2916059 (1959-12-01), Wong
patent: 3071402 (1963-01-01), Lasto et al.
patent: 3843183 (1974-10-01), Hutson
patent: 3940172 (1976-02-01), Hutson et al.
patent: 4536180 (1985-08-01), Johnson

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