TRAILER DOOR LINKAGE
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United States of America Patent
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Issued Date -
Nov 3, 2016
app pub date -
Dec 23, 2014
filing date -
Dec 24, 2013
priority date (Note) -
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Abstract
The present invention relates to a tipping linkage for a tub of a haul body. The tub includes a side door pivotally attached thereto and the tub is arranged for pivotal movement about a tub pivot axis (TP). The tipping linkage includes a first linkage connected to a sub-frame of the haul body and to a main linkage. The main linkage is connected to a shaft connected to the tub. A door linkage is connected to the main linkage and to a door connector. The first, main and door linkages are arranged so that when tipping of the tub about the tub pivot axis (TP) is initiated by a tipping arrangement the door is moved from a closed position towards an open position, and at least a part of a force loading on the door is transmitted to the door connector and converted to a lifting force to facilitate lifting of the tub away from the sub-frame.
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