Vacuum flow suction cup assembly

Details Vacuum flow suction cup assembly Vacuum flow suction cup assembly

2006-02-21

2006-02-21

Kramer, Dean J. (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

C294S065000

Reexamination Certificate

active

07000964

ABSTRACT:
A contact activated vacuum assisted suction cup assembly comprising: 1) a cylindrical bellowed or corrugated cup defining a plurality of interconnected bellows or corrugations of alternating, coaxial large and small diameter areas, hereinafter “bellows”, and having; A) an open contact end; and B) a valve end including a valve seat; 2) a valve stem having first and second extremities; 3) a valve plate intermediate the open contact end and the valve end in one of the large diameter areas attached to the first extremity; and 4) a valve stop attached to the valve stem at the second extremity that can engage the valve seat in the closed position. A picking device comprising a vacuum plenum having a plurality of the previously described contact activated vacuum assisted suction cup assemblies mounted therein in plenum apertures that engage a peripheral flange about the valve end is also described.

REFERENCES:
patent: 3558171 (1971-01-01), Netsch et al.
patent: 4078671 (1978-03-01), Lundstrom
patent: 4787812 (1988-11-01), Gopfert
patent: 6502808 (2003-01-01), Stone et al.

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