Land vehicles – Wheeled – Articulated vehicle
Patent
1997-07-18
1999-11-23
Mai, Lanna
Land vehicles
Wheeled
Articulated vehicle
280508, B62D 5312
Patent
active
059886668
ABSTRACT:
A fifth wheel hitch operable between a fully locked condition and a fully released condition, having a top hitch plate and a lock jaw, a locking plunger shiftable between a biased, extended locking position engaging the jaw and a retracted position for releasing the jaw, a release lever pivotally mounted to the hitch plate and engaging the plunger to move the plunger therewith when actuated, for releasing the primary lock, a hitch release rod subassembly having an outer pull handle and an inner pivotal connection to the release lever for actuating the release lever, the release rod subassembly having a secondary stop aligned with an abutment surface in the fully locked condition to serve as a secondary lock, and shiftable out of alignment with the abutment surface to release the secondary lock, and having a limited play connection between its ends, enabling the subassembly to be lengthened a limited amount from its normal length to a lengthened condition, and biased toward the normal length condition, and having an indictor which provides a change in appearance between the normal length condition and the lengthened condition.
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Fischer Andrew J.
Holland Hitch Company
Mai Lanna
LandOfFree
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