Load cell assembly

Details Load cell assembly Load cell assembly

1987-08-03

1988-03-29

Miller, Jr., George H.

Weighing scales

Load holder

Sway or tilt prevention

177DIG9, 177211, G01G 2124, G01G 314

Patent

active

047337362

ABSTRACT:
A load cell assembly for a vehicle scales and other weighing applications includes a load cell configured to weigh in tension and substantially eliminate sensitivity to transversely and obliquely directed forces includes upper and lower alignment assemblies. Each alignment assembly includes three members: an intermediate member having an upper and lower pair of aligned curved pivots disposed perpendicularly to one another and received within aligned, curved channels in adjacent upper and lower members. The lower member of the upper assembly supports the entire load cell assembly and the upper member of the lower assembly supports the scale platform. Extending between the upper member of the upper assembly and the lower member of the lower assembly is a load cell which is placed in tension to measure the load applied to the assembly. Pivoting motion and readjustment of the load cell assembly in response to transverse and obliquely directed forces renders the load cell substantially insensitive to all but vertically directed loads.

REFERENCES:
patent: 4280576 (1981-07-01), Smith, Jr.
patent: 4475610 (1984-10-01), Schwarzschild
patent: 4609062 (1986-09-01), Hale et al.
patent: 4627507 (1986-12-01), Powell et al.

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