Scale pad and valve structure

Details Scale pad and valve structure Scale pad and valve structure

1980-11-21

1982-11-30

Hartary, Joseph W.

Weighing scales

Structural installation

Vehicle

177208, G01G 1910

Patent

active

043611982

ABSTRACT:
A horizontal table is provided for rigid support from a vehicle mounting portion and an upper plate including a downwardly directed peripheral flange is centered over the table and a diaphragm is sealingly secured to and extends between remote portions of the peripheral flange below the top plate and overlies and is supported from the table. The top plate is mounted from the table for limited vertical and horizontal shifting relative thereto and limited canting in all directions. A vertically elongated pop-off valve assembly is sealingly secured through a central portion of the table and includes an upwardly projectable piston plunger engageable with the underside of the top plate in response to the valve assembly being charged at its lower end and valve assembly includes structure operative to effect venting of the lower end thereof to the ambient atmosphere in response to upward movement of the plunger to its uppermost limit position.

REFERENCES:
patent: 2020307 (1935-11-01), Fitch
patent: 2867433 (1959-01-01), Bergenheim
patent: 4162710 (1979-07-01), Sjogren

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