Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1984-02-03
1985-07-30
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200155R, H01H 1936
Patent
active
045323879
ABSTRACT:
A two-position rotary switch assembly is constructed of a mounting member and a switching member. The mounting member has an electrically non-conducting body in the form of a head portion with a central opening and a shank portion with a throughbore in axial alignment with the central opening. The switching member includes an electrically non-conducting rotary part having a shaft portion rotatably disposed in the throughbore of the mounting member and a knob portion which includes a flange integrally formed in normal relation to the shaft portion and slidingly engaging the head portion of the mounting member. Stop means is provided for limiting the rotational motion of the switching member between two arcuate positions. An electrical contact member is mounted on the shaft portion and includes an arm portion that is disposed along a chordal flat formed inwardly of the circumferential surface of the shaft portion. A longitudinal slot formed in the shank portion of the mounting member is orientated relative to the shaft portion such that the slot is in direct alignment with the recess upon the switching member being moved to one of the two switching positions.
REFERENCES:
patent: 2620409 (1952-12-01), Cobb et al.
patent: 3040151 (1962-06-01), Reihman et al.
patent: 3167620 (1965-01-01), Keyser et al.
patent: 3244820 (1966-04-01), Cannon
Buckman T. W.
Illinois Tool Works Inc.
O'Brien J. P.
Scott J. R.
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