Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1993-08-26
1995-01-24
Scherbel, David A.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525020, B60S 104, B60S 138
Patent
active
053832493
ABSTRACT:
The invention herein relates to an adjustable-type additive pressure windshield wiper structure, that automatically adjusts the pressure of the windshield wiper blades exerted onto the glass of the windshield and is able to offer stable and effective adjustment functions never available in the past as well as offering the special characteristic of practicality.
REFERENCES:
patent: 2794203 (1957-06-01), Oishei
patent: 4766636 (1988-08-01), Shinpo
patent: 5138739 (1992-08-01), Maubray
patent: 5170527 (1992-12-01), Lyon, II
Graham Gray K.
Scherbel David A.
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