Fifth wheel scale apparatus

Details Fifth wheel scale apparatus Fifth wheel scale apparatus

1977-01-10

1978-08-01

Hartary, Joseph W.

Weighing scales

Structural installation

Vehicle

177254, G01G 1910

Patent

active

041037529

ABSTRACT:
Weighing apparatus for a fifth wheel assembly, including a rockable subframe adapted for carrying such an assembly constructed for pivotal mounting with respect to an underlying vehicle frame. An inflatable air pad is disposed beneath the subframe, and is operable under inflation to pivot the subframe to a position wherein the pad carries a portion of any load borne by the subframe. Connected to the pad is a calibratable scale system for producing a load indication under such circumstances. Further provided is a safety locking system for releasably locking the subframe against pivoting under conditions of normal vehicle travel.

REFERENCES:
patent: 2109460 (1938-03-01), Brasher
patent: 2586137 (1952-02-01), Yoder
patent: 2646272 (1953-07-01), Swift

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