Patent ID: 6984194
Filing Date: 2006-01-10
Classification: B62K

Abstract:
1. A foldable bike comprising a head tube, a seat pole, a crossbar provided with a sleeve and connected to the head tube, a seat tube being inserted with the seat pole and penetrating through the sleeve, two through holes being provided on the seat tube, a chain stay and a pair of pedals wherein the seat tube is connected to the chain stay by means of a pair of brackets in symmetry on the seat tube and the chain stay; a turntable comprised of an upper bearing and a lower bearing is provided above the both brackets on the seat tube; a pair of recesses in symmetry are provided at the lower bearing of the turntable; a locking mechanism and a bolting mechanism are provided on the surface of the sleeve below the crossbar to lock or unlock the cross bar from the turntable and the seat tube; an absorber is provided to the sleeve at the crossbar; a fast releaser is provided at the top of the absorber, a pair of L-shape grooves are provided in symmetry on an upper edge of sleeve brackets located on a rear side of the sleeve such that the bike is ready for riding when the absorber is locked into the sleeve brackets and the cross bar is locked into a forward operating position relative to the seat tube, and the bike is ready for storage when the head tube is folded backwards around the turntable and the absorber is released from the two grooves by means of the fast releaser.