B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 53/08 (2006.01) B60D 1/06 (2006.01)
Patent
CA 2061263
FIFTH WHEEL TRAILER HITCH APPARATUS ABSTRACT OF THE DISCLOSURE A fifth wheel trailer hitch apparatus is provided for attaching the coupling mechanism of a fifth wheel type trailer to the trunk compartment of a passenger-type motor vehicle having a trunk lid with an opening in the trunk lid. A hitch apparatus includes a support attachable to the trunk compartment, a platform connected to and supported by the support, a hitch ball mechanism, including a hitch ball attached to an extension member which is slideably communicating with the platform for movement of the mechanism between a retracted, lower position and extended, raised position, extended position securing device to secure the mechanism in the extended position, a retracted position securing device for securing the mechanism in the retracted position and a coupling device for coupling the coupling mechanism of the trailer to the hitch ball. A coupler device is also provided to couple a fifth wheel male end to a trailer hitch ball, the male end having an intermediate narrow protrusion portion with an annular ring portion extending laterally therefrom. The apparatus includes an annular collar split into two portions, the collar being matable with the intermediate narrow protrusion portion adjacent the annular ring portion, a coupler with a tubular end for encircling a portion of the annular collar and an opposed ball end with an inner side forming a zone of a sphere for mating with a portion of a first hemisphere of the ball, collar attaching means for attaching the collar to the tubular end of the coupler to sandwich the annular ring portion between the collar and the tubular end, an annular ring member with an inner side forming a zone of a sphere for mating with a portion of a second hemisphere of the hitch ball and a ring attaching device for attaching the annular ring member to the ball to sandwich the ball between the ring member and the ball end to permit the ball to rotate therebetween.
Bull Housser & Tupper Llp
Hubler Frank James
LandOfFree
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