Handling: hand and hoist-line implements – Utilizing fluid pressure – Venturi effect
Patent
1991-07-17
1994-05-24
Cherry, Johnny D.
Handling: hand and hoist-line implements
Utilizing fluid pressure
Venturi effect
13762525, 251176, 251321, B25J 1506, F16K 3314, F16K 3504
Patent
active
053142225
ABSTRACT:
A vacuum manipulator, comprising an elongated body with two segments of longitudinal ducts one of which opens at one end for connection to a suction source and the other one of which is adapted to be fitted with a suction nozzle, openings communicating the duct segments with a longitudinal guide channel, a spool valve mounted for longitudinal sliding in the guide channel, the bottom of the channel being flat with the face of the spool valve adjacent to the bottom having three contact zones for elevating the face relative to the bottom, one of the contact zones being central and being formed by a support wall which defines a generally enclosed area, the other two of the zones being located at opposite ends of the spool valve, a piston having an endless wall defining an enclosed space and being mounted for sliding engagement with the bottom of the guide channel for selective communication with the openings, a spring operable with the piston to urge the endless wall of the piston in generally sealing engagement against the bottom of the guide channel.
REFERENCES:
patent: 2777462 (1957-01-01), Hohnstein
patent: 3071402 (1963-01-01), Lasto et al.
patent: 3455533 (1969-07-01), Epp
patent: 3587647 (1971-06-01), Walters
patent: 3674236 (1972-07-01), Commarmot
patent: 3834388 (1974-09-01), Sauer
patent: 3843183 (1974-10-01), Hutson
patent: 3940172 (1976-02-01), Hutson et al.
patent: 4522592 (1985-06-01), Johnson
patent: 4618178 (1986-10-01), Hutson et al.
patent: 5127694 (1992-07-01), Oehninger
Blish Nelson A.
Cherry Johnny D.
Cooper Industries Inc.
Scott Eddie E.
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