Miniature variable resistor

H - Electricity – 01 – C

Patent

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338/14

H01C 10/00 (2006.01) H01C 10/34 (2006.01)

Patent

CA 1136722

Abstract A miniature variable resistor comprises an insulating substrate provided with a hole therethrough. A resistance pattern is carried on a front surface of the insulating substrate in a manner to surround the hole, and a hollow rotor of insulating synthetic resin is provided with an operating portion and a slidable contact portion slidable on the front surface. A slide member is unitarily embedded in the rotor and which has elastic protuberant pieces protruding into the hollow portion of the rotor, and a shaft member which protrudes beyond the hole from a rear surface of the insulating substrate fitted tightly in the hollow portion of the rotor.

348090

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