Electricity: circuit makers and breakers – Solid contact – Rotating actuator
Patent
1998-02-11
1999-07-27
Scott, J. R.
Electricity: circuit makers and breakers
Solid contact
Rotating actuator
200 11R, 200 11G, H01H 2150, H01H 1958
Patent
active
059274867
ABSTRACT:
A rotary switch device and a tester incorporating the rotary switch device are provided. A dial is rotatably mounted in a casing. Brushes are provided for rotation about a rotation axis of the dial as the dial is rotated. Electrical contacts are brought into sliding contact with the brushes by rotation of the brushes. A click mechanism controls rotation of the dial in a clicking manner. The click mechanism has a waved-surface portion formed in one of the dial and the casing and arranged in a manner concentric with the dial, and at least one click spring portion formed in another of the dial and the casing, for clicking engagement with the waved-surface portion. The at least one click spring portion has a support portion protruding axially of the dial from a base surface of the one of the dial and the casing, and at least one spring portion extending from the support portion along the base surface in a manner concentric with the dial.
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patent: 5625286 (1997-04-01), Kamiya
Scott J. R.
Seiko Epson Corporation
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