B - Operations – Transporting – 62 – K
Patent
B - Operations, Transporting
62
K
B62K 27/12 (2006.01) B62K 13/02 (2006.01)
Patent
CA 2110621
A bicycle trailer comprises a frame having at its one end a hitch assembly for connecting the bicycle trailer to a towing bicycle and at its other end a ground-engagable wheel. The hitch assembly comprises a clamp part for clamping non-rotatably to a part of the towing bicycle, for example the seat post, of the towing bicycle, a universal joint portion fixedly attached to the trailer frame and a releasable fastening attaching the clamp part to the universal joint portion. The universal joint portion permits pivoting of the trailer, in use, about generally vertical and horizontal axes which are spaced apart, preferably with the second pivot axis between the first pivot axis and the trailer frame. The clamp part may comprise a generally U-shaped member having a cylindrical bight portion and a bolt member extending through aligned holes in end portions of the U-shaped member to urge them together and clamp the seat supporting part. The holes may provide clearance for the bolt member as the end portions rotate relative to the bolt member during tightening of the bolt member. The end portions may take the form of cylinders with a cylindrical insert in each of the cylinders. The bolt member then extends through both inserts. The hole in one of the cylinders is oversized to provide clearance for the bolt member during rotation of the insert about its axis as the bolt member is tightened. The releasable fastening may comprise a non-rotatable spigot-and socket connection between the clamp member and the universal coupling portion, and retaining means for retaining the spigot in the socket.
Adams Delbert
Adams Thomas
Norco Products Ltd.
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