公开(公告)号：US3622073A

公开(公告)日：1971-11-23

申请号：US3622073D

申请日：1969-11-13

申请人： RFDGQ LTD

发明人： CAYRE ALEXANDRE J

IPC分类号： B65G7/00 ,  E01B23/10

CPC分类号： B65G7/04 ,  Y10S280/07

摘要： Means for moving a heavy load comprising an inflatable support to be placed under an accessible part of the LOAD, a plurality of inflatable track elements to be arranged in abutting end to end relationship to provide an extended length of track over which the support can be dragged to move the load and anchoring means for securing the track element to the ground, the support and the track elements being of a flexible material and capable of expansion from an inoperative deflated condition to an operative extended condition by the admission of pressure fluid thereto.