Vibration-resistant balance

Details Vibration-resistant balance Vibration-resistant balance

1977-05-02

1978-07-18

Hartary, Joseph W.

Weighing scales

Shock absorber, damper

Load holder

177210EM, 177229, G01G 2312

Patent

active

041009851

ABSTRACT:
A balance relatively insensitive to vibration of its support has a weighing pan mounted on a pan carrier which is one of the two normally vertical members of a parallelogram linkage, the other members being the stationary balance casing and two links hingedly interposed between the pan carrier and the casing. A solenoid assembly opposes displacement of the pan carrier under the weight of a load on the pan. The pan carrier is hingedly coupled to one arm of a lever fulcrumed on the balance casing whose other arm carries a counterweight in such a manner that inertial forces acting on the pan carrier and counterweight respectively during vibratory motion of the casing oppose each other.

REFERENCES:
patent: 3078936 (1963-02-01), Thomson
patent: 3685604 (1972-08-01), Smith
patent: 3799281 (1974-03-01), Wernitz

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