Knock-down grind rail for skateboards and rollerblades

Details Knock-down grind rail for skateboards and rollerblades Knock-down grind rail for skateboards and rollerblades

A - Human Necessities

63

C

A63C 19/00 (2006.01) A63C 17/00 (2006.01) E04H 17/14 (2006.01) E04F 11/18 (2006.01)

Patent

CA 2399341

A knock-down grind rail for skateboards and rollerblades is composed of at least two tubes held in axial alignment by a tubular insert inserted into opposing ends of the tubes. The tubes are clamped together end to end by a special, generally U- shaped clip having arms which are bent toward one another to form elbows. The free ends of the clip are inserted through holes present in the tubes adjacent the opposing ends thereof, the spacing of the hole being comparable to the spacing of those arm ends. As the clip arms are pushed into the tubes up to the elbows, the arms are sprung apart thereby exerting a clamping force on the tubes. Suitable supports are provided to sup- port the tube above the ground or other support surface.

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