Winter wiper blade

Details Winter wiper blade Winter wiper blade

1985-10-10

1987-08-04

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

B60S 138

Patent

active

046836063

ABSTRACT:
A winter wiper blade consists of an articulated plastic frame, a rubber boot enclosing the frame and an external wiper blade element. The frame consists of a primary yoke and pairs of pivotable center and end yokes, each having a respective claw thereon for support of a backing strip, in turn slotted to receive the anchoring bead of the rubber wiper element. A pair of end caps, each having spring arms thereon and a further claw are adapted for interlocking engagement in a groove at the outer end of the end yoke to support the tip of the wiper element. Each end cap includes extensive surface area to engage and seal with a conforming shaped end channel portion of the rubber boot. A u-shaped saddle is disposed at the central portion of the primary yoke over the rubber boot for receipt of a wiper motor arm and is uniquely mounted by transverse rivets to facilitate assembly thereof.

REFERENCES:
patent: 2727271 (1955-12-01), Oishei et al.
patent: 2728100 (1955-12-01), Oishei
patent: 3619556 (1971-11-01), Deibel
patent: 3644957 (1972-02-01), Diebel et al.

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