Adjustable length windshield wiper

Details Adjustable length windshield wiper Adjustable length windshield wiper

1995-12-20

1996-08-20

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525046, 15250454, 1525044, B60S 138, B60S 104

Patent

active

055466273

ABSTRACT:
A windshield wiper including an outer elongated frame having a top and two vertical sides, a pair of extension arms being a generally inverted U-shaped member having two parallel depending legs each formed with a plurality of holes, the arms are slidably received in opposite ends of the outer frame, a pair of angled positioners each having an upper plate and a vertical plate, the positioners for fixing the arms with respect to the outer frame, a pair of intermediate elongated frames each provided at an intermediate portion thereof with a first axle engaged with the extension arm, a pair of inner elongated frames each provided at an intermediate portion thereof with a second axle engaged with the intermediate elongated frame, and a wiper blade having two opposite grooves engaged with the intermediate elongated frames and the inner elongated frames, whereby the windshield wiper can be adjusted in length by manipulation of said positioner.

REFERENCES:
patent: 2663043 (1953-12-01), Oishei
patent: 2713695 (1955-07-01), Oishei
patent: 3846864 (1974-11-01), Baut et al.
patent: 3922749 (1975-12-01), Castleman, Jr. et al.
patent: 3969784 (1976-07-01), Journee
patent: 4547925 (1985-10-01), Blackborow et al.
patent: 5228167 (1993-07-01), Yang
patent: 5233721 (1993-08-01), Yang

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