Windshield wiper arm

Details Windshield wiper arm Windshield wiper arm

1989-10-20

1991-04-23

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525031, 1525034, B60S 134

Patent

active

050089714

ABSTRACT:
The tension of a windshield wiper is adjusted by turning a nut which adjusts the rotational tension of a spring on the arm. The positioning of the nut is fixed by a second nut, a spring also forces the arm into a detent, holding the arm away from the windshield.

REFERENCES:
patent: 1783582 (1930-12-01), Oishei et al.
patent: 2295620 (1942-09-01), Zaiger
patent: 2311121 (1943-02-01), Nette et al.
patent: 2312278 (1943-02-01), Zaiger
patent: 2312279 (1943-02-01), Zaiger
patent: 2602950 (1952-07-01), Sacchini
patent: 4750235 (1988-06-01), Scorsiroli

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