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Bicycle hub assembly

A bicycle and wheel hub technology, applied to bicycle accessories, bicycles, wheels, etc., can solve problems such as unstable stiffness

Inactive Publication Date: 2004-10-20
SHIMANO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in a less stable and less rigid wheel

Method used

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  • Bicycle hub assembly
  • Bicycle hub assembly
  • Bicycle hub assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] see first figure 1 , which shows a bicycle 10 having a bicycle hub assembly 12 in accordance with the present invention. The bicycle 10 basically has a frame 14 having front and rear wheels 15 and 16 rotatably coupled thereto. A front fork 17 is coupled between the frame 14 and the front wheel 15 in a conventional manner. The front wheel 15 can be turned by turning the handle 18 fixedly coupled to the front fork 17 . The rear wheel 16 is rotatably coupled to the rear of the frame 14 . The frame 14 also has a saddle 19 adjustably coupled to the frame 14 and a drive train 20 for driving the bicycle 10 .

[0027] Since the parts of bicycle 10 are well known in the art, parts of the bicycle are not discussed or described in detail here unless they are modified in accordance with the present invention. Additionally, various conventional bicycle components such as brakes, derailleurs, auxiliary sprockets, etc., which are not shown or discussed in detail herein, may be use...

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PUM

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Abstract

A bicycle wheel basically has a central hub assembly, a plurality of spokes extending outwardly from the central hub assembly and an annular rim coupled to the outer ends of the spokes for supporting a tire. The central hub assembly has a hub axle, a hub unit, a freewheel and a sprocket assembly with a plurality of sprockets. The hub axle has a center axis extending between a first frame mounting end and a second frame mounting end. The hub unit has a hub body, a first spoke mounting portion, a second spoke mounting portion and an interior passageway. The first spoke mounting portion is located adjacent a first end of the hub body. The second spoke mounting portion is located adjacent a second end of the hub body. The interior passageway extends through the hub body with the hub axle being rotatably supported therein. The freewheel is operatively coupled between the first end of the hub axle and the first end of the hub body. The sprockets are coupled to the freewheel and axially spaced apart along the freewheel. The first spoke mounting portion has a recess that receives inner portions of the freewheel and the sprocket assembly therein. The first spoke mounting portion is also at least partially located in a radial center portion of one of the sprockets.

Description

technical field [0001] The present invention generally relates to a bicycle wheel having a hub axle for mounting on a bicycle frame, a hub body rotatably supported on the hub axle, an annular rim and a plurality of rims extending from the rim to the hub body Spokes that extend inward to the hub body. More specifically, the present invention relates to a hub for a bicycle wheel having a flywheel axially disposed on one side of the hub body. Background technique [0002] Cycling has become an increasingly common form of recreation and, at the same time, a means of transportation. In addition, cycling has become a very common amateur and professional competitive sport. Whether the bicycle is used for recreation, transportation or competition, the bicycle industry is constantly improving every part of the bicycle. One particular part of the bicycle that has been extensively redesigned over the years is the bicycle rear hub. Bicycle rear hubs are continually being redesigned ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62M7/02B60B27/02B60B27/04B62H5/08B62M9/10
CPCB60B27/026B60B1/042B60B27/0005B60B1/0215B60B27/047B60B27/0078B60B1/041B62M9/10
Inventor 冈岛伸平村冈勉
Owner SHIMANO INC