| 摘要 |
The specification describes a fifth wheel hitch. The hitch has (a) top plate have a forked rear with a tapered mouth and dead end throat for fitting a co-operative kingpin (b) a hinged jaw having a rear surface to engage a locking plunger (c) a locking plunger which is spring biased for the locking position and (d) a wedge mechanism with a movable wedge element, The drawing is illustrative of the preferred embodiment.
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