Bearings – Linear bearing – Alternating roller; or antifriction bearing for auto seat
Patent
1988-02-26
1988-11-29
Footland, Lenard A.
Bearings
Linear bearing
Alternating roller; or antifriction bearing for auto seat
F16C 2904
Patent
active
047877561
ABSTRACT:
The present invention provides a vehicle seat adjuster slide assembly. The assembly includes a sheet metal formed lower rail. The lower rail includes a channel floor with spaced apart upward extending legs to form an inner bay. The legs have outward extending flanges. An upper bearing ball is nested on top of each flange. A lower bearing ball is nested on the bottom of each flange. The adjuster slide assembly also has an upper rail slidably mounted on the lower rail. The lower rail has a ceiling covering the bay and C-shaped side bellies. Each side belly surrounds the nests the upper and lower bearing balls. The ends of the bellies extend under the flanges of the upper rail. The upper rail can slide on the lower rail without contact between the side bellies and the flange except when an excessive force is placed on the upper rail causing the side belly ends to contact the flange to prevent separation of the upper rail from the lower rail.
REFERENCES:
patent: 2725092 (1955-11-01), Cartwright
patent: 3685872 (1972-08-01), Babbs
patent: 3850484 (1974-11-01), Cousin
patent: 3944302 (1976-03-01), Fourrey
patent: 4511187 (1985-04-01), Rees
patent: 4569563 (1986-02-01), Fourrey
patent: 4630872 (1986-12-01), Teramachi
Footland Lenard A.
General Motors Corporation
Helms Ernest E.
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