Patent ID: 6168179
Filing Date: 2001-01-02
Classification: B62K

Abstract:
A bicycle frame assembly comprising: a main frame formed of a cross tube, a seat tube fastened with said cross tube, a lower rear fork fastened with said cross tube, a head tube fastened with said down tube, an upper rear fork fastened with said seat tube, a top tube fastened with said head tube and said seat tube, a seat post received in said seat tube, and two rear fork ends formed by two branches of said lower rear fork and said upper rear fork for fastening a hub; a front fork fastened pivotally with said head tube by a head bowl set and provided with two branches for mounting a front wheel; and a handlebar fastened pivotally with said head tube by a stem; wherein said tubes of said main frame, said front fork, and said handlebar are made of a material selected from the group consisting of fiber reinforced plastic materials, carbon fibers preimpregnated with epoxy resin, glass fibers, boron fibers and metal materials having a rigidity and are covered with a layer of wood.