FRICTION DRIVE UNIT
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United States of America Patent
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-
N/A
Issued Date -
Aug 23, 2007
app pub date -
Dec 29, 2006
filing date -
Feb 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A friction drive unit for moving a table along a rail comprising: a pair of drive rollers for sandwiching a guide rail therebetween, one of the pair of the drive rollers being connected to a drive source; a pair of reverse rollers attached to roller shafts of the respective drive rollers so as to transmit rotation of the one drive roller connected to the drive source to the other drive roller; and two arm portions formed integrally with or separately from one another, the pair of the drive rollers being pivoted on the arm portions, respectively, wherein the two arm portions are resiliently deformable in such directions as to approach and move away from each other and are provided so that the pair of the drive rollers produce pressing forces to the guide rail.
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