Three-piece stem of bicycle
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United States of America Patent
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Apr 11, 2017
Grant Date -
Mar 5, 2015
app pub date -
Aug 29, 2014
filing date -
Aug 29, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A three-piece stem of a bicycle includes a stem body, a bottom pipe, and a middle element. A first torus portion and a second torus portion are disposed at two ends of the stem body, respectively. The bottom pipe is disposed in the second torus portion of the stem body. The middle element is disposed between the second torus portion of the stem body and the bottom pipe. A connecting element couples the second torus portion of the stem body, the bottom pipe, and the middle element together, such that the second torus portion of the stem body, the bottom pipe, and the middle element are fixed tightly to a front forked upright pipe collectively, thereby enhancing the ease of assembly and the binding strength upon completion of assembly.
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