Pinchcock

Details Pinchcock Pinchcock

1991-06-20

1992-03-24

Schwadron, Martin P.

Valves and valve actuation

Tube compressors

Perpendicularly reciprocating tube contacting element

604250, 251251, 1376361, F16K 706

Patent

active

050980602

ABSTRACT:
A pinchcock comprises a housing, a tube section of elastically flexible material arranged in the housing, a pinching element displaceable in the housing in a direction extending transversely to the longitudinal axis of the tube section and engaging on the outer side of the tube section and an actuating member for displacing the pinching element. The housing is designed as a plastic molded part, in which a ball is displaceable, as pinching element, in the direction extending transversely to the longitudinal axis of the tube section. The actuating member comprises a cam engaging the ball, this cam being rotatable about an axis aligned at right angles to the longitudinal axis of the tube section and to the direction of displacement of the ball.

REFERENCES:
patent: 2660395 (1953-11-01), Mair et al.
patent: 3410517 (1968-11-01), Wall
patent: 4307868 (1981-12-01), Morin
patent: 4372345 (1983-02-01), Mehus
patent: 4786028 (1988-11-01), Hammond

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