Windshield-wiper assembly with air deflector

Details Windshield-wiper assembly with air deflector Windshield-wiper assembly with air deflector

1990-06-22

1994-07-26

Gerrity, Stephen F.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525020, 1525042, B60S 128, B60S 104

Patent

active

053317122

ABSTRACT:
A wiper blade assembly for mounting on the end of a wiper arm and engaging a windshield has a main yoke generally pivoted at a central pivot on the wiper arm and having a pair of outer ends, respective upper and lower secondary yokes pivoted at outer axes on the outer ends of the main yoke and having inner and outer ends, and respective tertiary yokes pivoted on the outer ends of the secondary yokes. The tertiary yokes have inner and outer ends formed as blade holders and the inner ends of the secondary yokes are also formed as blade holders. A wiper blade carried in the holders and engageable against a windshield. An outer wind-deflecting aerodynamic vane is carried on each secondary yoke between the respective outer end and the respective outer pivot and an inner wind-deflecting aerodynamic vane is carried on each secondary yoke between the respective inner end and the respective outer pivot.

REFERENCES:
patent: 2799887 (1957-07-01), Nemic
patent: 3317946 (1967-05-01), Anderson
patent: 3673631 (1972-07-01), Yamadai et al.
patent: 3939524 (1976-02-01), Knights
patent: 3942212 (1976-03-01), Steger et al.
patent: 4180885 (1980-01-01), Thornton et al.
patent: 4628565 (1986-12-01), Wolters
patent: 4852206 (1989-08-01), Fisher

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