Windshield wiper blade holder having articulated molded yokes

Details Windshield wiper blade holder having articulated molded yokes Windshield wiper blade holder having articulated molded yokes

1977-07-18

1979-02-06

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

B60S 140

Patent

active

041375980

ABSTRACT:
In a windshield wiper blade holder comprising pressure distributing claw yokes articulated to the ends of a primary yoke adapted to be coupled with a wiper arm, each claw yoke is a molded plastic body having between its arms an upwardly open coupling and bearing structure that is snappable onto mating structure on an end of the primary yoke and provides a highly durable pivotal connection yet can be produced in a simple two-part mold. As a further feature, the inner arm of each claw yoke is constituted by an upwardly open channel that receives a fitting, substantially rigid beam structure of the primary yoke and nests progressively farther with it, up to the arm end, as the wiper is moved over more steeply curved windshield surfaces, thus increasing the lateral stability of the blade holder; and the outer claw arm is formed oppositely as a downwardly open channel, enabling claw yokes having the required rigidity to be provided with molded wall sections of relatively little thickness and weight.

REFERENCES:
patent: 3874025 (1975-04-01), Cone
patent: 3877106 (1975-04-01), Bauer et al.
patent: 3942212 (1976-03-01), Steger et al.
patent: 3978544 (1976-09-01), VAN DEN Berg et al.
patent: 4014066 (1977-03-01), Harbison et al.

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