Windshield wiper structure with freeze resistance joints

Details Windshield wiper structure with freeze resistance joints Windshield wiper structure with freeze resistance joints

1998-04-24

2000-01-11

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525044, B60S 138

Patent

active

060121971

ABSTRACT:
A wiper blade assembly for a windshield wiper system of a motor vehicle is described in which a carrier yoke system which interconnects the wiper arm with the blade element is constructed of cascadingly interconnected yokes or bows. Pivot joints interconnecting the various yokes includes an opening formed in one or both of opposed yoke surfaces near the joint to expel solid foreign objects such as ice lodged there between.

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