Paper feed tractor with compensating drive pulley
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 4, 1984
Grant Date -
N/A
app pub date -
Aug 11, 1982
filing date -
Aug 11, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tractor for a web feeding assembly has a chassis providing a pair of apertures extending therethrough and a belt extending thereabout. A drive pulley mounted in one of the chassis apertures is engaged with the driven surface of the belt and has an aperture therethrough receiving the drive shaft. Resiliently deflectable means on the pulley defines at least a portion of the shaft receiving aperture and resiliently bears upon the drive shaft over a portion of its length. The deflectable means provides a passage portion of reduced cross section to engage the surface of the shaft. As a result, irregularities in the drive shaft, and variations in axial spacing of the shafts occuring during operation, may be accommodated by deflection of the deflectable means.
First Claim
Family
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