Conveyance apparatus for processing step
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United States of America Patent
Stats
-
Nov 13, 2007
Grant Date -
Nov 9, 2006
app pub date -
Jun 22, 2006
filing date -
Dec 26, 2003
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A conveyance truck movable along travel rails includes a suspended supporting device for supporting a vehicle body, a raising and lowering device for raising and lowering the suspended supporting device, and a posture adjusting device for adjusting the posture of the vehicle body. The raising and lowering device includes a first supporting axle disposed in the front section in the travel direction, a second supporting axle provided in the rear section movable towards and away from the first supporting axle, a crank arm supported rotatably on the second supporting axle and having the suspended supporting device supported rotatably at its free end portion, a swinging arm fixed to the first supporting axle and having a free end portion coupled to an intermediate position of the crank arm, and an arm drive mechanism for causing the crank arm to rotate about the second supporting axle.
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