| 摘要 |
A mechanism for locking and unlocking of a king pin of a fifth wheel. The mechanism includes a jaw member, a wedge member, a bumper member and a lever member interconnecting the jaw member, the wedge and the bumper member. A handle member includes a handle extension member. The system may be operated by a two-way air cylinder, a one-way air cylinder or in an alternate embodiment, may be incorporated into an existing manually operated fifth wheel system as a retrofit assembly so as to convert existing fifth wheel locking mechanisms to the arrangement of the present invention.
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