| 摘要 |
A collapsible trailer hitch to be used on a truck which has a pivoting platform for dumping, includes a Y-member attached to the chassis of the truck and a support member for the trailer tongue secured to a rotating bar journaled to the pivoting platform of the truck by mounting brackets. The support member is attached to the Y-member by means of connecting links which are pivoted at both ends. The hitch collapses and restores automatically upon pivoting of the platform.
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