Temperature-protected weighing apparatus with bearing enclosure

Details Temperature-protected weighing apparatus with bearing enclosure Temperature-protected weighing apparatus with bearing enclosure

1980-05-21

1981-07-28

Miller, Jr., George H.

Weighing scales

With bearing shield

177212, G01G 2102, G01G 700

Patent

active

042805775

ABSTRACT:
Weighing apparatus of the electromagnetic load compensation type is disclosed including a pivoted transmission lever that connects the compensation coil for movement relative to the stationary permanent magnet field in accordance with the displacement of the load receiving assembly from its initial no-load position, characterized in that the transmission lever is connected with the load receiving assembly via a flexible bearing contained within a hollow coupling part of the load receiving assembly, thereby protecting the bearing against the deleterious influence produced by the different heating rates of the various structural components. By protecting the flexible bearing against component-generated heat as well as extreme variations in ambient temperature, the zero or no-load operating point of the weighing apparatus is protected against temperature-produced errors.

REFERENCES:
patent: 3084753 (1963-04-01), Hendon
patent: 4109738 (1978-08-01), Kunz
patent: 4148370 (1979-04-01), Luchinger et al.
patent: 4184556 (1980-01-01), Kunz

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