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US 4,455,546 AGranted
Variable resistor and switch assembly having separate sliders
AssigneePrescolite, a Div. of U.S. Indus.
InventorLynn Roszel
Life of this patent
Estimating the term…
Abstract
A switch for controlling the current to a load combining an ON-OFF switch in series with a variable resistor. Switch has a housing which includes an actuator guided along a dimension of the housing. An opening through the actuator permits a portion of the regulator switch to pass through the actuator for operation. The actuator also includes a cam surface for operating the ON-OFF switch.
Claims8
A switch assembly for controlling the current to a load combining an On-Off switch in series with a variable resistor the improvement comprising:
- (a) a housing having a guide along a dimension thereof;
- (b) an actuator being moved along said dimension of said housing, said actuator movement being defined by said guide of said housing and means for stopping movement of said actuator, said actuator further including an opening therethrough for permitting a first portion of an element of the variable resistor to pass therethrough and a second portion of the element of the variable resistor to remain accessible on one side of said actuator, said actuator also including a cam surface for contacting a portion of the ON-OFF switch for operation of the same, said opening and said stop means being sized and positioned to permit said operation of said ON-OFF switch.
Dependencies are inferred from the claim text.