Windshield wiper blade refill

Details Windshield wiper blade refill Windshield wiper blade refill

1975-09-26

1977-02-01

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

B60S 102

Patent

active

040055035

ABSTRACT:
A windshield wiper blade unit for use with a blade holder, or pressure distributing wiper structure, having a detachable blade-carrying yoke portion comprises a backing member consisting of an extruded elastically resilient strip having a longitudinally hollow central portion slotted along its bottom to receive slidably the head and neck portions of an elastic wiping element and having along its opposite sides laterally open claw-receiving channels defined by flanges which have ridge forming deformations that protrude into the channels to limit movement of the blade unit relative to the claws of the blade holder. Depressed portions of the upper flanges coact with the ridges formed by the deformations. The extruded strip serves also to keep the wiping element in place by virtue of the top wall of its central portion having segments thereof stuck down into the hollow to abut the ends of the wiping element.

REFERENCES:
patent: 2924840 (1960-02-01), Anderson
patent: 3099031 (1963-07-01), Ludwig
patent: 3158890 (1964-12-01), Anderson
patent: 3350738 (1967-11-01), Anderson
patent: 3702490 (1972-11-01), Quinlan et al.
patent: 3879794 (1975-04-01), Roberts, Jr.
patent: 3903560 (1975-09-01), Jewell et al.
patent: 3911523 (1975-10-01), Harbison et al.

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