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Bicycle hub

A technology for bicycles and hubs, applied in bicycle accessories, wheels, hubs, etc., can solve problems such as descending, braking surface contact accuracy, and difficulty in lightening

Inactive Publication Date: 2004-08-18
SHIMANO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the rotor is fixed to the hub body at a position far from the braking surface of the disc rotor, the thickness of the disc rotor must be thickened in order to suppress the deformation of the disc rotor during braking. Lightweight
In addition, since the diameter of the fixed part is much smaller than that of the braking surface, there is a concern that the contact of the braking surface will occur and the accuracy will be lowered.

Method used

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  • Bicycle hub
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0047] (a) In the aforementioned embodiment, although four first and second arm portions 51a, 51b are provided on the hub body 41, as Figure 5 with Image 6 As shown, five first and second arm parts 151a can also be set, as Figure 7 As shown, three first arm portions 252a may be provided.

[0048] (b) In the foregoing embodiment, although the spoke locking holes 41c and 51d are formed in the first arm portion 51a, as Figure 8 or Figure 9 As shown, the arm portion 351a or 451a may be provided on the first and second hub flanges 154 or 254 (only the first hub flange is shown) having a larger diameter than the other portions at the large diameter portion of the hub body. On the first hub flange 154 or 254, first spoke locking portions 151c or 251c are formed at intervals in the circumferential direction. In addition, in Figure 8 In the illustrated embodiment, the spokes 122b are arranged radially in the radial direction, and in Figure 9 In the illustrated embodiment, ...

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Abstract

A hub is configured to suppress deformation in a disc rotor even if the disc rotor is made thinner and more lightweight, and to suppress wobbling in a braking surface. The hub (30) has a hub axle (40), a hub shell (41), a pair of bearings (42, 43), and a brake mount (45). The hub axle (40) is irrotatably installed on the frame axle. The hub shell (41) has spoke attachment parts with spoke attachment holes (51c, 51d) and disposed on both ends for attaching a plurality of spokes. The brake mount (45) has a rotor attachment unit (52) for attaching a disc rotor (25f) of a disc brake (18f).

Description

technical field [0001] The present invention relates to a bicycle hub, particularly a bicycle hub for rotatably mounting a wheel with respect to a bicycle frame. Background technique [0002] On a bicycle wheel, a hub for rotatably mounting the wheel with respect to the bicycle frame is provided at the center of the wheel. The wheel hub in the prior art includes: a hub axle non-rotatably assembled on the vehicle frame, a hub body arranged on the outer circumference of the hub axle, and a pair of left and right bearings arranged between the hub axle and the hub body. [0003] In such a bicycle hub, it is known that a disc rotor of a disc brake device can be mounted on a hub body (see Patent Document 1). A conventional bicycle hub has a rotor mounting portion to which a disk rotor is fixed. The disk rotor has an outer ring portion having a braking surface sandwiched by a brake pad housed in a brake caliper, an inner ring portion fixed to a rotor mounting portion, and an arm ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B1/04B60B27/02F16D65/12
CPCF16D65/12F16D2065/1348B60B27/0052B60B27/026B60B27/0005B60B27/0078Y02T10/86F16D2065/1384
Inventor 入江克典
Owner SHIMANO INC