Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1979-12-04
1981-06-30
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
318443, B60S 148
Patent
active
042754771
ABSTRACT:
A vehicle window glass washing system is disclosed which comprises swingable wiper means provided in sliding contact with the window glass of a vehicle and injector means for injecting liquid detergent onto a position of the window glass when actuated. The system also comprises a rotary disc rotatable in synchronism with swinging movement of the wiper means. A pair of contact plates are disposed on the rotary disc symmetrically with respect to the center of the rotary disc and electrically connected to each other. A pair of contacts are fixed to the rotary disc symmetrically with respect to the center of the rotary disc so that the rotary disc can bring one of the contact plates into contact with one of the fixed contacts while at the same time the other contact plate into contact with the other fixed contact to allow actuation of the injector means except when the wiper means is around the position at which the liquid detergent is injected.
REFERENCES:
patent: 3562839 (1971-02-01), Riester
patent: 3919613 (1975-11-01), Steinmann
Feldman Peter
Nissan Motor Company Limited
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