Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1989-03-20
1990-07-31
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 6BB, 200 11R, 200565, 200569, H01H 1960
Patent
active
049451952
ABSTRACT:
A DIP coded rotary switch which has a housing, a rotor, a base, a fixed contact and a series of contact portions. The base is formed by insert molding around a unitary metal stamping. The metal stamping is then separated into the contact portions and the fixed contact. The housing is box like and has an inner surface providing a cavity, an engagement wall which extends from a circular, through first aperture to a second through aperture, the engagement wall provides a convoluted configuration facing into the cavity. Each of the contact portions has a movable contact portion and each of the movable contact portions includes a free terminal end. The terminal end of each of the movable contact portions is positioned in superimposed, spaced relation to the fixed contact portion. The rotor includes first and second spring cam portions which flexibly bear against the convoluted configuration of the engagement wall.
REFERENCES:
patent: 3300594 (1967-01-01), Paine et al.
patent: 3900709 (1975-08-01), Sheesley et al.
patent: 4107482 (1978-08-01), Marker
patent: 4260860 (1981-04-01), Niihama et al.
patent: 4272658 (1981-06-01), Crosby
patent: 4400597 (1983-08-01), Bruder et al.
patent: 4539444 (1985-09-01), Senoh
C & K Components Inc.
Scott J. R.
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