Windshield wiper with slip joint for pivoting of arm assemblies

Details Windshield wiper with slip joint for pivoting of arm assemblies Windshield wiper with slip joint for pivoting of arm assemblies

1995-07-25

1996-03-12

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525041, 1525031, 1525044, 403 61, 403 82, B60S 138, B60S 128

Patent

active

054975280

ABSTRACT:
A windshield wiper of the type including an arm holder, a blade holder, a rubber blade fixed to the blade holder, two symmetrical arm assemblies having a respective coupling portion in the middle respectively turned about a respective pivot at each end of the arm holder to hold the blade holder, wherein the coupling portion of each arm assembly has two vertical oblong holes aligned at two opposite sides and connected to one pivot of the arm holder; two friction plates are respectively turned about the pivots of the arm holder and connected between the arm holder and the arm assemblies and bridging the coupling portion of each arm assembly, each friction plate having two vertical oblong holes respectively connected one pivot of the arm holder and attached to the vertical oblong holes of the coupling portion of one arm assembly at two opposite sides, and two opposite inside flanges raised around the vertical oblong holes of the respective friction plate and fitted into the vertical oblong holes of the coupling portion of one arm assembly.

REFERENCES:
patent: 2596063 (1952-05-01), Anderson
patent: 3405421 (1968-10-01), Tomlin
patent: 4009504 (1977-03-01), Arman
patent: 4287634 (1981-09-01), Speth
patent: 5325563 (1994-07-01), Cayan

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