Integrated lever and live spring valve

Details Integrated lever and live spring valve Integrated lever and live spring valve

1985-07-23

1986-07-01

Chambers, A. Michael

Fluid handling

Systems

With flow control means for branched passages

137872, 251298, F16K 11072

Patent

active

045974152

ABSTRACT:
A flexible and resilient normally planar flap valve having two portions which together form a generally elongated oval shape. One portion of the flap has a greater radius than the other portion to restrict movement of the flap when installed in a tubular member. When installed the valve forms a generally arcuate shaped flap having a outer surface configured to conform to the cross-sectional shape of the tubular member. The flap has two operative positions; a first position in which the valve allows air to flow unrestricted through the tube; and a second position in which the valve seals off the main air source and directs air between a side opening and the tubular member. The flap is provided with a handle molded directly to one end of the flap, thereby creating a single piece integrated lever and live spring valve.

REFERENCES:
patent: 176238 (1876-04-01), Myer
patent: 351940 (1886-11-01), Severding
patent: 533265 (1895-01-01), Belding
patent: 819823 (1906-05-01), Trigg
patent: 878850 (1908-02-01), Young
patent: 925053 (1909-06-01), Sturgis

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