Weighing scale

Details Weighing scale Weighing scale

1977-12-12

1979-07-03

Hartary, Joseph W.

Weighing scales

Self-positioning

Spring

177DIG9, G01G 302

Patent

active

041597486

ABSTRACT:
An improved weighing scale has spring hangers comprising flexure pivots. When the load to be weighed is applied to the coil spring of the scale, the spring tends to uncoil. The flexure pivot spring hangers allow the coil spring to unwind, thus providing the load support to obtain a linear deflection characteristic throughout the weighing range. The flexure pivot spring hangers can comprise either a flexible thin strip member or a flexible wire. The thin strip may be necked about its mid-portion to provide additional flexibility.

REFERENCES:
patent: 3698496 (1972-10-01), Lohmann
patent: 3734218 (1973-05-01), Kupper

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