Garage door roller assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 13, 2001
Grant Date -
N/A
app pub date -
Dec 8, 1999
filing date -
Dec 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A garage door roller assembly includes a one-piece, unitary shaft and a one-piece, unitary roller, each composed of a polymeric material and a washer and a pin, each composed of case-hardened steel. The roller includes a sleeve portion having an axial bore, a wheel portion, and a web extending radially from the wheel portion to the sleeve portion. The shaft includes an axial bore, a mounting portion, and a race portion. The race portion is rotatably mounted within the bore of the sleeve portion of the roller. The pin includes a head and a stem which extends axially from the head through the opening of the washer into the bore of the shaft. A knurled segment of the stem frictionally engages the bore of the shaft.
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