Drive wheel adjuster for driverless vehicle
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United States of America Patent
Stats
-
Jan 17, 1989
Grant Date -
N/A
app pub date -
Apr 22, 1987
filing date -
Apr 22, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driverless vehicle having swivel-mounted support wheels which ride on track rails and at least first and second drive wheels adapted for frictional contact with a drive tube. The drive wheels are interconnected by a linkage permitting limited independent movement of the drive wheels through a track curve, and they are maintained in substantially synchronous angular orientations relative to the drive tube by means of a stationary cam and a follower mounted on one of the drive wheels or by means of a linkage interconnecting one of the support wheels with one of the drive wheels.
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