Patent ID: 7156409
Filing Date: 2007-01-02
Classification: B62K

Abstract:
1. A collapsible bicycle comprising: a collapsible frame that can be switched between an extended position and a collapsed position in a longitudinal direction so that the wheels of the collapsible bicycle can still roll on the ground when the collapsible frame is in the collapsed position, wherein the collapsible frame comprises a head tube, a seat tube, a top tube connected with the head tube, a support member, a chain stay and a link comprising a lower end pivotally connected with the chain stay and an upper end pivotally connected with the top tube, wherein the support member comprises a lower portion and an upper portion pivotally connected with the lower portion about a support axis, wherein the lower portion is pivotally connected with the head tube and with the chain stay about parallel spaced axes extending at a nonparallel angle to the support axis, with the seat tube connected to the upper portion.