Compact weighing apparatus of the electromagnetic load compensat

Details Compact weighing apparatus of the electromagnetic load compensat Compact weighing apparatus of the electromagnetic load compensat

1987-05-18

1988-02-02

Miller, Jr., George H.

Weighing scales

Self-positioning

Repositioning in response to deflection under load

177210EM, G01G 700

Patent

active

047224096

ABSTRACT:
A compact weighing apparatus of the electromagnetic load compensation type is disclosed including a permanent magnet system having a U-shaped soft iron yoke, and a pair of highly coercive permanent magnets of parallelepiped configuration mounted in opposed relation between the adjacent surfaces of the leg portions of the yoke. The compensation coil is mounted for movement between, and in a direction parallel with, the yoke leg portions, the coil having a rectangular cross sectional configuration to define longer coil turn sides arranged adjacent the magnets, respectively. The lever that connects the compensation coil with the load receiving member contains a stepped recess that receives at least a portion of one of the load receiver guide means, thereby to achieve further compactness of the components of the weighing apparatus.

REFERENCES:
patent: 4373596 (1983-02-01), Kunz
patent: 4382480 (1983-05-01), Knothe et al.
patent: 4429757 (1984-02-01), Kunz
patent: 4503923 (1985-03-01), Maaz
patent: 4545448 (1985-10-01), Kunz

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