Delay wiper switch

Details Delay wiper switch Delay wiper switch

1984-10-02

1986-09-23

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

1525012, 338191, H01H 900

Patent

active

046137335

ABSTRACT:
A switch for controlling wiper delay includes a housing, a circuit board having a contact pattern of several parts on a surface thereof positioned in the housing, some of the contact pattern parts being arranged in a closely-spaced, radially-extending array, a carriage rotatable in the housing, electrical contacts mounted on the carriage and disposed for engagement with selected parts of the contact pattern as a function of the position of the carriage, a discrete resistive element having at least three conductive leads extending therefrom and subdividing the resistive element into a resistor network having a plurality of resistive values, each conductive lead of the resistive element being conductively affixed to a respective one of the contact pattern parts in the array, and wherein the carriage is manually actuatable to place the electrical contact into contact with successive ones of the contact pattern parts in the array to vary the interval between sweeps of a wiper. An additional electrical contact resiliently supported by a conductive beam spring has one end mounted in fixed conductive engagement with one of the contact pattern parts of the circuit board. The beam spring is biased into engagement with a cam surface on the periphery of the carriage for selective electrical connection of that additional contact with another of the circuit contact pattern parts as a function of carriage position to control high speed operation of a wiper motor.

REFERENCES:
patent: 3312925 (1967-04-01), Frantz

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