Wiper blade for cleaning window panes of motor vehicles

Details Wiper blade for cleaning window panes of motor vehicles Wiper blade for cleaning window panes of motor vehicles

1987-07-16

1989-02-07

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525031, 1525042, B60S 140

Patent

active

048022578

ABSTRACT:
This invention describes a wiper blade with a substantially U-shaped supporting yoke between the side walls of which is fixed a component part which, coaxially to bores in the side walls of the supporting yoke, has a bearing bore for a pivot pin connecting the wiper blade and wiper arm. The diameter of the bore in the side walls is larger than the diameter of the pivot pin, so that a metallic contact between pivot pin and side walls of the supporting yoke is prevented. In order to secure the position of the bearing axially a metallic locking spring is additionally fixed in this component part which cooperates with a groove in the pivot pin.

REFERENCES:
patent: 2620505 (1952-12-01), Rappl
patent: 3864783 (1975-02-01), Arman
patent: 3866260 (1975-02-01), Cone
patent: 4178651 (1979-12-01), Mayer
patent: 4389746 (1983-06-01), Kimber
patent: 4446589 (1984-05-01), Maiollo
patent: 4503580 (1985-03-01), Sharp

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