Washing machine lid switch assembly

Details Washing machine lid switch assembly Washing machine lid switch assembly

1996-11-20

1998-03-17

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

68 1226, 192136, 200 617, 292DIG69, H01H 316

Patent

active

057289859

ABSTRACT:
A lid switch for disabling a top loading washing machine when the lid is raised is provided in which an arcuate arm passing downward from the lid near the hinge of the lid curves around the hinge axis into a space behind the lid under the top surface of the washing machine. A switch positioned above this top surface and having a downwardly extending operator may be actuated by this arm, the arm which serves to trap water from the washing machine tub area and by passing through a rim extending downward into the tub resists tampering with the switch. In one embodiment, the arcuate arm strikes a rocker arm permitting further displacement of the switch away from the tub. The rocker arm may be in two halves which pivot with respect to each other held in angular relationship by a detent. The switch assembly may be made self-adjusting by bending this adjustable rocker arm to small angle allowing the detent to release under the force of the arcuate arm after the switch has reached its stop position adjusting the rocker arm to the correct angular configuration.

REFERENCES:
patent: 3272935 (1966-09-01), Beller et al.
patent: 3440373 (1969-04-01), Blewitt, Jr.
patent: 3504777 (1970-04-01), Waugh
patent: 3997751 (1976-12-01), McNally
patent: 5600976 (1997-02-01), Hapke et al.

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