Magnetic coupling for a weighing balance assembly

Details Magnetic coupling for a weighing balance assembly Magnetic coupling for a weighing balance assembly

1979-10-01

1981-07-21

Miller, Jr., George H.

Weighing scales

Shock absorber, damper

Electrical or magnetic

177DIG5, G01G 2310

Patent

active

042793173

ABSTRACT:
A magnetic coupling between the sample support shaft and the internal weighing mechanism of a weighing balance assembly is provided which permits transverse movement of the shaft when it or a sample supported by it are bumped or jarred. Generally, the internal weighing mechanism of a weighing balance is quite sensitive to the unavoidable bumping and jarring which occurs during the loading and unloading of a sample. Because the magnetic coupling permits movement of the shaft, no damaging forces or torques are transmitted to the weighing mechanism. The magnetic attraction between the shaft and coupling is sufficient to insure that the shaft remains in an upright position during normal operation.

REFERENCES:
patent: 3123165 (1964-03-01), Carson, Jr. et al.
patent: 3617370 (1971-11-01), Myers
patent: 3685603 (1972-08-01), Codina
patent: 4211295 (1980-07-01), Gallo

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