Push-pull control with spring-loaded seal

Details Push-pull control with spring-loaded seal Push-pull control with spring-loaded seal

1978-02-07

1979-03-13

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277205, 277211, 74501R, F16C 128, F16J 1532

Patent

active

041438833

ABSTRACT:
An effective seal against the infiltration of foreign matter into a push-pull remote control is provided by a spring-loaded ring seal disposed in contact with a slidable end rod of the control. The ring seal is formed by a plastic C-shaped channel which holds a metal helical spring. One of the two spring-loaded side walls of the C-shaped channel presses against the cylindrical surface of the end rod and thus impedes the penetration of dust and vapors into the remote control.

REFERENCES:
patent: 2997318 (1961-08-01), Lansky et al.
patent: 3248882 (1966-05-01), Roosa
patent: 3653670 (1972-04-01), Sifri et al.
patent: 3680874 (1972-08-01), Schwarz

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