Overload protection device for a top pan precision scale

Details Overload protection device for a top pan precision scale Overload protection device for a top pan precision scale

1979-06-18

1980-12-09

Hartary, Joseph W.

Weighing scales

Shock absorber, damper

Load holder

177156, G01G 2122

Patent

active

042379881

ABSTRACT:
An overload protection device for a top pan precision scale having a weighing pan support and a support plate carried by a load support mounted for limited movement and connected to an indicator, includes a spring engaged between the weighing pan support and the support plate whereby the weighing pan support is resiliently coupled to the load support, and a plurality of overlapping elements carried by the weighing pan support and extending beyond the outer peripheral edge of the support plate in close proximity thereto so that the weighing pan support and support plate are held in assembled relationship against the bias of the spring by the overlapping elements at the outer peripheral edge of the support plate, whereby upon eccentric loading of the scale, the pivot point of the weighing pan support is extended to the side of the weighing pan support opposite the load, and the lever translation thus effected results in a lower load on the load support than the highest available load.

REFERENCES:
patent: 1858795 (1932-05-01), Van Duyn
patent: 3973637 (1976-08-01), Kunz
patent: 4136750 (1979-01-01), Strickler

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