Load sensing system

Details Load sensing system Load sensing system

1980-08-22

1982-06-29

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

7386256, G01D 100, B66C 1350

Patent

active

043367208

ABSTRACT:
A sensing system for a load carrying vehicle having a hydraulically controlled load carrier which is subjected to cantilever loading such that tipping of the vehicle may occur. The vehicle includes a load bearing frame and an axle supporting that frame. The frame is mounted through a sub-frame assembly so as to be separable to a limited degree from the axle. The initiation of this separation signals the dangerous load condition. A load sensing device disposed between the axle and the sub-frame assembly detects the initiation of separation of the sub-frame from the axle. The sensor functions as a mechanically actuated relief valve in the hydraulic system by which cantilever loading is accomplished. Flow of hydraulic fluid from the sensing device functions to prevent further extension of the load which could induce tipping. Details of the sub-frame assembly and sensing device are disclosed.

REFERENCES:
patent: 2931638 (1960-04-01), Weber
patent: 3612294 (1971-10-01), Wilkinson
patent: 3680714 (1972-08-01), Holmes
patent: 3814265 (1974-06-01), Miller
patent: 3963127 (1976-06-01), Eriksson
patent: 4147263 (1979-04-01), Frederick et al.

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