Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1978-09-21
1980-06-03
Scott, James R.
Electricity: circuit makers and breakers
Electric switch details
Contact
200 11G, 200292, 200302, 200303, 338163, 338164, 338184, 338199, H01H 900, G05G 506, H01H 2176, H01H 8504
Patent
active
042063345
ABSTRACT:
A three piece rotatable electrical contact component for printed circuit board applications, wherein a rotatable contact of the component engages electrical circuitry on a printed circuit board, is disclosed. The component consists of a generally circular contact element, a contact carrying rotor which is mounted to be rotatable in the printed circuit board, and to which said circular contact element is secured, and a ring-shaped stop member which snaps over the contact carrying rotor and is secured to the printed circuit board so as to be non-rotatable. The rotor, in addition, has a number of arcuate detent grooves formed around its periphery to provide a plurality of detent locations. The stop member has a flexible post that is located in a hole in the printed circuit board which is shaped so that rotational movement of the stop member is prevented, but so that the stop member is free to transversely flex and thereby cooperate with the detent grooves of the rotor to provide the desired detent action.
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Beart Robert W.
Bowen Glenn W.
Illinois Tool Works Inc.
Scott James R.
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