Construction apparatus with pivotable mast
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United States of America Patent
Stats
-
Nov 1, 2011
Grant Date -
Dec 31, 2009
app pub date -
Jun 8, 2009
filing date -
Jun 13, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a construction apparatus comprising a base carrier, a mast which is arranged on the base carrier in a pivotable manner, a first hydraulic cylinder and a second hydraulic cylinder for erecting the mast, which are connected to each other in an articulated manner in a connecting section, the first hydraulic cylinder being linked to the base carrier and the second hydraulic cylinder being linked to the mast, and a coupling rocker-arm which is linked on one side to the mast and on another side to the connecting section. According to the invention in the part of the connecting section a spacer is arranged, through which the connecting section is supported on the mast in a detachable manner.
First Claim
Family
International Classification(s)
Cited Art Landscape
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