Rotary electrical component, e.g. potentiometer or rotary switch

摘要

The electrical unit can be in the form of a variable resistance or potentiometer that has a resistor track on a substrate 5 that is engaged by a contact on a disc b. The disc is mounted at the end of an input spindle 2 that is turned to change the setting. The spindle has a ring gear 3 that is spring 4 loaded into contact with teeth 1b on the housing. This provides definite positions with a clicking action.