Spring for windshield wiper arm

Details Spring for windshield wiper arm Spring for windshield wiper arm

1993-03-01

1994-06-14

Oberleitner, Robert J.

Spring devices

Torsion

Coil

1525034, 1525035, F16F 106

Patent

active

053203330

ABSTRACT:
The spring has an intermediate helical portion with a U-shaped open hook at each end. The helical portion is disposed in the region of the pivot of the wiper support arm to the base part which holds the support arm. One hook wraps around the wiper support arm, passing over and hooking underneath the same and the other hook wraps around the base part, passing underneath and hooking on the top of said base part. The spring greatly increases the wiper pressure on the windshield. The spring remains properly hooked even when the support arm is pivoted away from the windshield.

REFERENCES:
patent: 1974342 (1934-09-01), Morris
patent: 2602950 (1952-07-01), Sacchini
patent: 2660748 (1953-12-01), Gaumer
patent: 2885710 (1959-05-01), Brasty
patent: 4698872 (1987-10-01), Watanabe
patent: 4718139 (1988-01-01), Okuda et al.
patent: 4750235 (1988-06-01), Scorsiroli
patent: 4993102 (1991-02-01), Honda et al.
patent: 5008971 (1991-04-01), Stewart, Sr.
patent: 5056182 (1991-10-01), Fukumoto et al.
patent: 5062175 (1991-11-01), Buchanan et al.

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