Conveying system
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United States of America Patent
Stats
-
Dec 11, 1984
Grant Date -
N/A
app pub date -
Aug 17, 1982
filing date -
Aug 17, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A conveying system for moving an object along a straight path on a pallet is disclosed. The conveying system includes a track on which the pallet is mounted for movement and a cylindrical drive shaft having a longitudinal axis parallel to the line of movement of the pallet disposed below the track. A drive roller support base is pivotally mounted on the pallet. The drive roller is rotatably mounted on a shaft extending from the support base at an acute angle with respect to the axis of the drive shaft. The drive roller tangentially contacts the drive shaft. Rotation of the drive shaft causes rotation of the drive roller and, depending upon the position of the drive roller in relation to the surface of the driveshaft, the pallet is driven forward, rearward, or remains stationary. The drive roller is resiliently urged into contact with the drive shaft and is pivotally mounted on the pallet so as to be easily movable between a forward drive position, a rearward drive position, and a stationary position. A resilient bias to urge the drive roller to the forward position is also provided together with a cam mechanism which moves the drive roller to the stationary position where desired.
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