Sled Runner |
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Patent # 905,704 - Sled-Runner Line 21 - Another object of the invention is to provide a sleigh runner shoe constructed of a channel member with a longitudinal depression whereby the runner will present a pair of bearing faces, and whereby the sleigh will be prevented from sliding laterally upon sloping roads and in which friction is greatly reduced. Line 84 – the vertical edges of the runner shoe 1 and feet 8 are bent upon each other towards the center of the feet and runner shoe as illustrated…. ------------------------------------------------------------------------------------------------------------------- This is the earliest concave ski with dual runner edges I have found so far. All concave skis will function the same as long as they are similarly connected to the sled body! -------------------------------------------------------------------------------------------------------------------
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