Bicycle
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United States of America Patent
Stats
-
Jun 25, 2019
Grant Date -
Apr 12, 2018
app pub date -
Oct 12, 2016
filing date -
Oct 12, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A foldable bicycle has a frame with a seat tube, a down tube and a top tube. An inclined strut is pivotable with the top tube and with an openable connection to the down tube. The down tube is connected with a joint to a crankshaft bearing housing so that a rotation axle in this joint is turned to form an angle to a line substantially parallel to the crankshaft bearing housing's longitudinal axis. The top tube is connected through a joint to the seat tube so that a rotation axle in this joint is turned to form an angle around the seat tube's longitudinal axis. The top tube is at its other end that's opposite the seat tube connected with a joint to the head tube so that a rotation axle in this joint is substantially perpendicular to the longitudinal axes of both the head tube and top tube.
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