Actuator mechanism for electrical potentiometer

Details Actuator mechanism for electrical potentiometer Actuator mechanism for electrical potentiometer

H - Electricity

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C

338/6

H01C 10/40 (2006.01) G05G 5/16 (2006.01) H01C 10/14 (2006.01)

Patent

CA 1253226

Abstract An actuator mechanism, particularly for a potentiometer, comprises a mounting frame defining an interior space. An elongate rotary shaft tra- verses that space. A lever arm is secured to the shaft and extends radially away from the longitidi- nal axis of the shaft within the space defined by the mounting frame. The mounting frame has two substantially parallel surfaces that confront the lever arm, and respective friction assemblies are interposed between the lever arm and those two surfaces respectively. Each friction assembly comprises a body of friction material engaging one of the two parallel surfaces, and a compression spring that urges the body of friction material against that surface. The body of friction mate- rial and the spring are maintained captive between the lever arm and the surface of the frame that is engaged by the body of friction material.

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