Patent ID: 9283809
Filing Date: 2016-03-15
CPC Classification: B60B,B62K,F16C

Claim Text:
1. A structure for attaching a wheel to a frame of a bicycle comprising: an axle having opposing end portions and supporting the wheel; a left axle support collar structure configured to support one of the opposing end portions of the axle, the left axle support collar structure including separate chain and seat stay axle support collars, the chain stay axle support collar formed in line with a chain stay and the seat stay axle support collar formed in line with a seat stay; and a first bearing structure positioned in the left axle support collar structure, the first bearing structure including: at least one first ball bearing having a first bearing outer race and a first bearing inner race, wherein the at least one first bearing is positioned between the chain stay axle support collar and the axle, the at least one first ball bearing allowing for rotation of the axle relative to the chain stay axle support collar; and at least one second ball bearing having a second bearing outer race and a second bearing inner race, wherein the second bearing is positioned between the seat stay axle support collar and the axle, the at least one second ball bearing allowing for rotation of the axle relative to the seat stay axle support collar, wherein the first bearing inner race and the second bearing inner race maintain their positions relative to one another and the first bearing outer race and the second bearing outer race move relative to one another.