Windshield wiper linkage

Details Windshield wiper linkage Windshield wiper linkage

1979-04-16

1981-05-12

Kee Chi, James

Joints and connections

Articulated members

Pivoted

403 36, 403 76, 403122, F16C 1100, F16C 1106

Patent

active

042668832

ABSTRACT:
A ball socket member open at one end is formed of yieldable semi-rigid plastic material, with external ears and internal axially extending lubrication distribution and relief slots positioned in alignment with the ears. The slots terminate at the open edge, the lubricant being retained by a closed cell seal of cellular material. An external circumferential groove receives the periphery of an opening in a linkage member, the external ears being received in key slots in the opening. The periphery of the opening is deformed out of the plane of the surface of the linkage to produce an effective thickness approximately the thickness of the groove, providing a method and construction to assure a secure fit in cases where the thickness of the linkage material is either greater than or less than the width of the groove.

REFERENCES:
patent: 3389925 (1968-06-01), Gottschald
patent: 3749431 (1973-07-01), Schmid et al.
patent: 3853414 (1974-12-01), Hirano et al.
patent: 3861812 (1975-01-01), Ito

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