Weighing scale with improved damping of oscillations

Details Weighing scale with improved damping of oscillations Weighing scale with improved damping of oscillations

1990-07-11

1991-10-08

Miller, Jr., George H.

Weighing scales

Shock absorber, damper

G01G 2110

Patent

active

050545663

ABSTRACT:
A weighing cell includes a base, with energy absorbing feet; a load cell supported by the base; a platform supporting member supported by the load cell; a platform for supporting an object to be weighed, the platform being supported by the supporting member; and damping material operatively positioned between the platform and the supporting member. The energy absorbing feet are chosen to substantially dampen the oscillations of a mass spring system consisting of a spring equivalent in total compliant effect to the load cell, the energy absorbing feet and the damping material and a mass equal to the combined mass of the heaviest object to be weighed and of the weighing cell and the damping material is chosen to substantially dampen the oscillations of a mass spring system consisting of a spring equivalent in total compliant effect to the load cell, the energy absorbing feet and the damping material and a mass equal to the combined mass of a relatively light object and of the weighing cell. A shorter scale response time is obtained.

REFERENCES:
patent: 4778017 (1988-10-01), Liang
patent: 4802541 (1989-02-01), Bator et al.

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