Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1990-02-08
1993-01-19
Hornsby, Harvey C.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
74405, B60S 106
Patent
active
051797593
ABSTRACT:
A drive mechanism for a motor vehicle windshield wiper device has a crank which is driven in a rotating manner and produces a pivoting movement of a windshield wiper via a drive rod. If the movement of the windshield wiper is obstructed by a snow wedge building up in the wiper socket, the drive mechanism provides for an obstruction evading movement of the drive rod in such a way that the crank can fully rotate unimpeded. In order to obtain a low loading of the drive rod and its joints in the event of obstruction of the windshield wiper and to obtain a uniform wiping zone in normal wiping operation, the novel drive mechanism for the drive rod is firmly coupled to the crank and a lost motion drive means is arranged on the wiper shaft.
REFERENCES:
patent: 2259790 (1941-10-01), Auten
patent: 2713178 (1955-07-01), Stocks
patent: 3012266 (1961-12-01), Riester
patent: 3453679 (1969-07-01), Thorlakson
patent: 4144614 (1979-03-01), Barbee
patent: 4264997 (1981-05-01), Kolb et al.
patent: 4765018 (1908-08-01), Buchanan, Jr.
patent: 4878398 (1989-11-01), Heinrich
Epple Anton
Pfeiffer Martin
Trube Hans
Daimler-Benz Aktiengesellschaft
Graham Gary K.
Hornsby Harvey C.
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