Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1974-04-29
1976-09-07
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525017, 1525023, 1525034, 1525035, B60S 108
Patent
active
039785424
ABSTRACT:
A wiper arm assembly is disclosed for use in operative association with a wiper blade and is adapted for typical, although not exclusive, application on vehicular windows, such as windshields, and rear and side windows. The wiper arm assembly of the present invention is operated by means of a drive motor which is located directly within the arm itself and is controlled by a plurality of electrical switches associated with a source of electrical energy, such as the vehicle battery. The assembly comprises inner and outer arm sections which are pivotably connected to one another and the aforementioned electrical switches are controlled by relative pivotal movement between the arm sections. One of the switches in the arm assembly functions to reverse the polarity of the electrical energy supplied to the drive motor, whereby to cause reverse rotation on the output shaft thereof and hence provide for oscillatory or reverse pivoting movement of the arm assembly. Another of the switches functions as a parking switch and permits the arm assembly to be parked or positioned out of registry with the operator's line of vision during such time as the arm assembly and associated wiper blade are not being used.
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Hoebrechts Albert J. G.
van den Berg Johan H.
VAN Eekelen Alex H. A. M.
Feldman Peter
Monroe Belgium N.V.
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