Method and apparatus for leveling a body
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United States of America Patent
Stats
-
Nov 2, 1993
Grant Date -
N/A
app pub date -
Oct 15, 1991
filing date -
Oct 24, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Hydraulic supporting cylinders are extended for levelling a body, for example, a platform or vehicle part. As soon as one of the cylinders reaches a supporting position while moving out, further extension of this cylinder is temporarily discontinued. After extension of the last supporting cylinder, i.e., that cylinder which is the last to reach the supporting position, has been discontinued, the levelling operation is completed by only operating the other supporting cylinders which had previously reached the supporting position. The other supporting cylinders are further extended until the level position is reached.
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