Inhibitor switch having an improved bearing portion

Details Inhibitor switch having an improved bearing portion Inhibitor switch having an improved bearing portion

1997-05-09

1999-10-19

Coggins, Wynn Wood

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

H01H 906

Patent

active

059693134

ABSTRACT:
An inhibitor switch having a construction that facilitates fabrication by disposing a bearing surface made of a metal plate so as to be exposed at a bottom surface of a shaft hole to which a shaft of a movable plate is pivotably fitted, and having fixed contact plates formed in a pole plate by insertion molding. The movable plate has movable contacts, which are brought into contact with the fixed contact plates. A movable arm is secured to the movable plate. A case supports pivotably the movable plate together with the pole plate. The bearing surface made of a metal plate is disposed so as to be exposed at the bottom surface of the shaft hole to which the shaft of the movable plate is pivotably fitted. The bearing surface can be integral with one of the fixed contact plates.

REFERENCES:
patent: 5525768 (1996-06-01), Cobb, III et al.
patent: 5693925 (1997-12-01), Yamada et al.

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