Fixing structure for vehicular wiper pivot bearings

Details Fixing structure for vehicular wiper pivot bearings Fixing structure for vehicular wiper pivot bearings

1992-07-24

1993-05-18

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384276, F16C 3302

Patent

active

052114856

ABSTRACT:
A structure for preventing movement of pivot bearings used in vehicular wiper devices, wherein a pivot shaft is rotatably supported by a sleeve mounted on a vehicle body through the intermediary of a pair of bearings at a predetermined axial spacing from each other. The pivot bearing fixing structure comprises slits formed in facing end surfaces of the bearings so as to divide the end portion of each bearing into an inner circumferential portion and an outer circumferential portion, ridges protruding inward radially from an inner surface of the inner circumferential portion of each bearing, the ridges being notched at a predetermined circumferential spacing so as to be elastically deformable radially outward, and recesses provided on an outer circumferential surface of the pivot shaft so as to receive the ridges thereby to fix the bearings against axial movement.

REFERENCES:
patent: 4750878 (1988-06-01), Nix et al.
patent: 4806024 (1989-02-01), Tanaka et al.
patent: 5014392 (1991-05-01), Melara

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