Wiper blade

Details Wiper blade Wiper blade

1998-10-13

2000-08-15

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525044, B60S 138

Patent

active

061016659

ABSTRACT:
A wiper blade of a wiper device is composed of a primary lever driven by an wiper arm to swing on a windshield, a pair of bowed secondary levers connected to the primary lever to extend on a side of the primary lever facing a direction of the swinging and a pair of bowed yoke levers connected to the primary lever to extend on the side of the primary lever opposite to the secondary levers and a rubber blade supported by the yoke levers. Thus, the primary lever, the secondary levers and the yoke levers are disposed in the same plane above the windshield, thereby reducing the frontal projected area relative to air flow. Each of the secondary levers is connected jointly with one of the yoke levers to rotate on a shaft fixed to the primary lever.

REFERENCES:
patent: 5331712 (1994-07-01), Chang

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