Patent ID: 6054917
Filing Date: 2000-04-25
Classification: H01C

Abstract:
A rotatively driven type electric component comprising:a housing;a drive shaft held by said housing rotatable around an axis and provided with a screw portion extending in an axial direction;an insulating substrate held by said housing and having electrically conductive patterns;a slider which comes into sliding contact with said electrically conductive patterns;a movable block made of a synthetic resin and disposed inside said housing so as to hold said slider and movable together with said slider in the axial direction of said drive shaft with said slider in sliding contact with said electrically conductive patterns, said movable block having at least one standing holding portion on a surface facing said drive shaft, said drive shaft being passed through a hole disposed in said holding portion; anda plate spring disposed between said surface of said movable block facing said drive shaft and said drive shaft, having a protuberance disposed between opposing ends and having retaining portions disposed at said opposing ends, said plate spring urging said movable block in a direction such that said slider is positioned into sliding contact with said electrically conductive patterns, said plate spring retained on said movable block by said retaining portions engaged with said holding portion and said protuberance of said plate spring in elastic contact with and in engagement with said screw portion of said drive shaft such that said movable block is moved with rotation of said drive shaft.