Protective cover for emply/load valve actuator

Details Protective cover for emply/load valve actuator Protective cover for emply/load valve actuator

1990-10-30

1993-03-09

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Load control

Detail

303 227, B60T 822

Patent

active

051921197

ABSTRACT:
An empty/load valve with a housing from which a reciprocable rod which actuates a changeover spool extends, and a pivotable load measuring arm mounted in offset relation to the axis of the rod and carried by a pivotable shaft. The shaft is mounted on and extends from a rigid cover secured to the housing, and the shaft is interconnected with the rod by a linkage. Most of the shaft, the rod and the linkage are covered by the cover in a dust free manner so as to protect them from dust, etc., of the ambient. Preferably, stops extend from the housing to limit the movement of the arm.

REFERENCES:
patent: 2588961 (1952-03-01), Carlson et al.
patent: 3314444 (1967-04-01), White
patent: 3404922 (1968-10-01), Valentine
patent: 3927916 (1975-02-01), Masuda
patent: 4801179 (1989-01-01), Hintner

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