Patent ID: 7367576
Filing Date: 2008-05-06
Classification: B62K

Abstract:
1. A foldable bicycle comprising: front and rear wheel axles which are disposed opposite to each other in a longitudinal direction, respectively extend along front and rear axes oriented in a transverse direction, and are adapted for mounting front and rear wheels, respectively, the front and rear wheels being disposed in tandem in a position of use; a sprocket which is rotatable about a rotating axis and is adapted to drive the rear wheel; a head strut having a lower head portion is connected to said front wheel axle, and an upper head portion which is opposite to said lower head portion in an upright direction transverse to the longitudinal and transverse directions and is adapted to couple with a handlebar; a seat strut having a front seat end is pivotally connected to said upper head portion about a first pivot axis parallel to the front wheel axis, and an intermediate support portion which extends rearwardly and downwardly from said front seat end and is adapted to support a saddle, and terminates at a rear seat end that is disposed upwardly and forwardly of said rear wheel axle in the position of use; a first bracing strut having a first front end which is pivotally connected to said lower head portion about a third pivot axis parallel to and offset from the front wheel axis, and a first rear end opposite to said first front end; a second bracing strut including a locking member disposed to releasably lock said second bracing strut from turning relative to said first bracing strut when the front and rear wheels are in the position of use.