Compass assembly with dial biasing disk

Details Compass assembly with dial biasing disk Compass assembly with dial biasing disk

1989-08-11

1990-05-01

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33364, G01C 1704

Patent

active

049206567

ABSTRACT:
A compass assembly comprising a base, a dial member received in a recessed portion of the base and rotatable relative the base about a dial member central longitudinal axis, and a compass housing received in a recessed portion of the dial member and fixedly secured to the base by a connecting disk. The disk has a first surface attached to the housing and a second surface attached to the base and a peripheral edge surface positioned in frictionally engaging contact with the dial member. The dial member is biased against rotation relative the base and the compass housing by the disk.

REFERENCES:
patent: 2336789 (1943-12-01), Jonsson
patent: 2824382 (1958-02-01), Sandberg

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