Bearings – Linear bearing
Patent
1991-09-23
1993-12-28
Footland, Lenard A.
Bearings
Linear bearing
384 42, 384 45, F16C 2900
Patent
active
052733637
ABSTRACT:
A roller for a window or door slidably mounted on a track is disclosed. The roller comprises a housing having first and second opposing walls and a shelf having a convex outer surface and extending between the first and second walls. A belt encircles the shelf. The belt has an inner surface having a low coefficient of friction for sliding engagement with the convex surface of the shelf. The belt further has an outer surface having a high coefficient of friction adapted for non-sliding engagement with the track.
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Ashland Products, Inc.
Footland Lenard A.
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