Dashpot assembly

Details Dashpot assembly Dashpot assembly

1976-08-09

1978-01-31

Blix, Trygve M.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

123103E, 261DIG18, 267123, F16F 904

Patent

active

040711196

ABSTRACT:
A dashpot assembly having a single annular diaphragm the inner periphery of which forms a valve movable relative to a metering passage between chambers formed at opposite sides of a plunger assembly in the dashpot. Upon movement in one direction the valve element requires air to pass through the metering passage and upon movement in the opposite direction the valve moves out of engagement to permit free flow between opposite sides of the plunger. The dashpot incorporates a ring element which serves to maintain the metering passage free of obstructions and dirt and which extends the effective area of the diaphragm.

REFERENCES:
patent: 2696980 (1954-12-01), Goodwin
patent: 2741474 (1956-04-01), Babitch
patent: 2894740 (1959-07-01), Emerson et al.
patent: 3081847 (1963-03-01), Smitley
patent: 3266080 (1966-08-01), Spencer

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