Foldable bike

Details Foldable bike Foldable bike

2006-01-10

2006-01-10

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

C280S278000, C280S287000

Reexamination Certificate

active

06984194

ABSTRACT:
An improved structure of a foldable bike includes a turntable containing an upper bearing and a lower bearing provided between a crossbar and a head tube; a pair of recesses being provided in symmetry in the turntable to be fixed by a locking mechanism provided below the crossbar; a folding structure and an absorber being provided to a seat pole of the bike with the absorber being locked to a chain stay; the bike being ready for riding when the locking mechanism and the absorber being fixed in position; and when the locking mechanism and absorber being released, the bike being folded up with the seat pole as a support to facilitate handling or storage.

REFERENCES:
patent: 4579360 (1986-04-01), Nishimura et al.
patent: 4955628 (1990-09-01), Chiu
patent: 5330219 (1994-07-01), Groendal et al.
patent: 5836602 (1998-11-01), Wang
patent: 6354618 (2002-03-01), Liao
patent: 6513823 (2003-02-01), Chen
patent: 6581492 (2003-06-01), Chen
patent: 2003/0067137 (2003-04-01), Chen

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