WHEEL SUSPENSION FOR SHUTTLE
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United States of America Patent
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Issued Date -
Oct 27, 2016
app pub date -
Nov 28, 2014
filing date -
Dec 10, 2013
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Abstract
Wheel suspension for a basically rectangular shuttle moveable on two parallel elongated rails arranged in a horizontal plane, wherein the wheel suspension includes shuttle wheels arranged in corners of the shuttle. At least two shuttle wheels separated in the direction of movement of the shuttle, and rotatable in a vertical plane, are carried by a bogie arranged in each corner of the shuttle. The bogie is pivotally arranged on a first axis, in a side section of the shuttle, wherein the first axis is arranged between the two shuttle wheels carried by a bogie, and is on an underside formed with a cam surface at least partially extending below the shuttle wheels, wherein the bogie is pivoted upwardly when the cam surface engages a stationary arranged cam roll. A crane, movable between several sets of two elongated rails, and carrying supporting corresponding rails, for transporting the shuttle, wherein the cam roll is stationary attached to the crane.
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