Rear fork end component, bicycle frame and bicycle

Details Rear fork end component, bicycle frame and bicycle Rear fork end component, bicycle frame and bicycle

B - Operations, Transporting

62

K

B62K 25/02 (2006.01) B62K 3/08 (2006.01) B62K 19/24 (2006.01) B62M 9/12 (2006.01)

Patent

CA 2473762

A rear fork end component 34a on a rear derailleur (32) side of a bicycle frame (4) comprises, when assuming a bicycle frame (4) produced by using the end component (34a), a component body 341a; a first concave portion 342 formed on the component body 341a, for detachably supporting an axle (362) of a rear wheel (36) to be inserted from below the frame: a first protrusion 344 formed to protrude from a frame frank side inner wall 344a of the first concave portion 342 to the frame front side, having at its end a second concave portion 344c as a chain stay attachment portion for allowing a rear end of a chain stay 54a to be attached; a second protrusion 346 formed to protrude from a frame rear side inner wall surface of said first concave portion 342 to the frame lower side, having a first female screw 346d for fitting with a male screw (327) for attaching the rear derailleur (32): a third protrusion 348 formed to protrude from a frame upper outer surface 344b of the first protrusion 344 and a frame rear side outer surface 346d of the second protrusion 348, having near the frame front side of its end a third concave portion 348c as a seat stay 44 attachment portions for allowing a rear end of the seat stay 52a to be attached; wherein the third concave portion 348c is arranged to be offset from the first conclave portion 348 to the frame upper side and frame rear side. According to a bicycle using the component 34a, it is not necessary to attach an end clasp to an end portion after removing the rear wheel when putting the bicycle in a wheeling bag.

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