Quick-assembly front end for bicycles
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Jun 25, 2015
filing date -
Jun 25, 2015
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A front end assembly that simplifies assembling of bicycles includes a threaded center bolt, a stem body, a stem tube, a frame head tube, and a fork steering tube with a wedge immovably fixed therein. The wedge includes a stem interface that complementarily fits with the stem tube to rotationally align the fork, and a bolt interface that engages the center bolt. The steering tube is inserted into the head tube from the bottom, and the stem tube is inserted into the head tube from the top. The center bolt threadably engages the bolt interface of the wedge to secure components together. The position of the wedge within the stem tube vertically aligns the stem body with respect to the fork steering tube. Automated alignment and tensioning eliminates much guesswork, and the assembly process is shortened.
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