Windshield wiper arrangement with an arm of variable active leng

Details Windshield wiper arrangement with an arm of variable active leng Windshield wiper arrangement with an arm of variable active leng

1994-01-12

1994-12-06

Scherbel, David A.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

152503, 74104, 74 25, B60S 136, B60S 126

Patent

active

053698371

ABSTRACT:
The invention concerns a windshield wiper arrangement including a windshield wiper arm (2) the active length of which varies in the course of the sweeping movement, characterized in that it includes: motor means including a first motor shaft (26) given a first alternating rotation motion and a second motor shaft (34) given a second alternating rotation motion, the amplitude of the alternating rotation of the second shaft (34) being greater than that of the first shaft; a crank (24) coupled for rotation onto the second motor shaft on the one hand, and on the other hand articulated onto said arm (2); an arm support element (6) coupled for rotation onto the first motor shaft (26); and coupling means between the support element (6) and the arm (2) permitting a translation motion of the arm (2) on said support element (6) in a direction substantially parallel to the longitudinal dimension of the arm (2).

REFERENCES:
patent: 3831220 (1974-08-01), Gmeiner et al.

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