CRANE, CRAWLER CHASSIS STRUCTURE, AND METHODS OF ASSEMBLING AND DISASSEMBLING CRAWLER CHASSIS
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Oct 1, 2014
filing date -
Mar 3, 2014
priority date (Note) -
Abandoned
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Abstract
In certain aspects, the invention relates to a crane, a crawler chassis structure, and methods of assembling and disassembling the crawler chassis structure. The crawler chassis structure includes a chassis, a pair of crawler frames, two pairs of retractable girders, and connecting members. The pair of crawler frames is connected to the chassis through detachable connection to two pairs of retractable girders. Each connecting member has one end detachably connected to one of the pair of crawler frames and the other end connected to the chassis, or one end detachably connected to the chassis and the other end connected to one of the pair of crawler frames. According to the invented crawler chassis structure, the crawler frames can be assembled or disassembled quickly.
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