Patent ID: 8011736

Claim:
A collapsible wheel installed in a vehicle, comprising: a rim formed of a plurality of ring elements that are pivotally connected in an endless series; a connector, said connector comprising a plurality of sliding ways arranged to extend towards a center of said connector, and a shaft perpendicularly extended from the center of said connector and pivotally connected to said vehicle; a hub sleeved onto said shaft; and a spoke unit connected between said rim and said hub, said spoke unit comprising a plurality of first spokes and a plurality of second spokes respectively movably attached to the sliding ways of said connector, each said first spoke comprising an outer end respectively fixedly connected to said rim and an inner end for stopping against the periphery of said hub, each said second spoke comprising an outer spoke segment fixedly connected to said rim and an inner spoke segment that has an end thereof hinged to a distal end of said outer spoke segment remote from said rim and an opposite end thereof hinged to said hub.