Weighing scale having a hydraulic damper intercoupled between th

Details Weighing scale having a hydraulic damper intercoupled between th Weighing scale having a hydraulic damper intercoupled between th

1982-02-05

1984-04-03

Miller, Jr., George H.

Weighing scales

Shock absorber, damper

Load-holder transmission mechanism

177189, G01G 2110

Patent

active

044402503

ABSTRACT:
A scale has a load receiving member and a force receiving member coupled to the load receiving member by flat springs. The force receiving member transmits the force to be measured to a measuring cell. A hydraulic damper is connected in the force transmission path between the load receiver and the force receiver rather than between the force receiver and the frame of the scale as is current practice. The effects of viscous friction in the damper on the accuracy of the scale are thereby eliminated. The container holding the hydraulic fluid of the damper is sealed by a simple packing ring. Overload protection for the measuring cell is provided by a preloaded spring which is connected in series with the damper in the force transmission path.

REFERENCES:
patent: 3982738 (1976-09-01), Meier et al.
patent: 4058179 (1977-11-01), Price
patent: 4298081 (1981-11-01), Blodgett
patent: 4382479 (1983-05-01), Lee et al.

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