Wiper spring

Details Wiper spring Wiper spring

2005-08-23

2005-08-23

Graham, Gary K. (Department: 1744)

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

C015S250202, C267S154000, C267S155000

Reexamination Certificate

active

06931691

ABSTRACT:
Wiper spring is made of a length of spring wire having hook-like end portions at opposite ends. One of the end portions is shaped to slide over the drive arm of a vehicle wiper assembly from one side. The other end portion is shaped to hook over the wiper arm of the vehicle wiper assembly for applying additional spring force to the wiper arm to maintain better contact of the wiper blade against the surface being wiped during operation of the wiper assembly.

REFERENCES:
patent: RE19113 (1934-03-01), Oishei et al.
patent: 2602950 (1952-07-01), Sacchin
patent: 2660748 (1953-12-01), Gaumer
patent: 2885710 (1959-05-01), Brasty
patent: 4750235 (1988-06-01), Scorsiroli
patent: 5008971 (1991-04-01), Stewart, Sr.
patent: 5320333 (1994-06-01), Koch
patent: 6804855 (2004-10-01), Lebel

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