Thumbwheel rotary wafer switch having odd number detent position

Details Thumbwheel rotary wafer switch having odd number detent position Thumbwheel rotary wafer switch having odd number detent position

1975-10-09

1976-12-21

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

74527, 200 11TW, 200291, 200292, H01H 156, H01H 2150, G05G 506

Patent

active

039990214

ABSTRACT:
A continuously rotatable electrical switch having an odd number of detent positions is used to increase the number of possible electrical circuit combinations with a given maximum number of electrical contact paths. This is accomplished by placing all the brushes on the diameter of a central rotor or rotating wafer having electrical contacts thereon wherein the contacts for both radii of the diameter for a given switch position are interleaved contacts of other switch positions. The design of the switch allows a plurality of output terminals to be continuously electrically connected to the rotor for an increased number of switching functions while maintaining the simplicity of placing all the brushes on one side of a commutating rotor.

REFERENCES:
patent: 2896033 (1959-07-01), Hartz
patent: 3030460 (1962-04-01), Huetten et al.
patent: 3531603 (1970-09-01), Ashman
patent: 3903383 (1975-09-01), Marker

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