Compass housing

Details Compass housing Compass housing

1978-04-25

1979-05-29

Aegerter, Richard E.

Geometrical instruments

Scriber

Curved line

33157, 33149H, B43L 902

Patent

active

041563131

ABSTRACT:
A compass housing of the type used for supporting a pair of adjustable compass legs in resilient contact with a spring clip. The housing includes a transverse cross-shaft as a bearing for the upper ends of the compass legs and an elongated rib, upraised to define a fulcrum for the spring clip. The housing is characterized by its unitary construction.

REFERENCES:
patent: 814453 (1906-03-01), Kern
patent: 2208062 (1940-07-01), Warner
patent: 3628251 (1971-12-01), Feldl
patent: 3842508 (1974-10-01), Gentils

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