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Apparatus for controlling multiple bicycle operating characteristics

A technology of operating characteristics and control equipment, which is applied in the direction of bicycle accessories, bicycle brakes, bicycle control systems, etc., and can solve problems such as increased detachment

Active Publication Date: 2013-04-10
SHIMANO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This unwanted rotation increases the risk of the chain becoming disengaged from the currently engaged sprocket and / or becoming trapped between adjacent sprockets

Method used

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  • Apparatus for controlling multiple bicycle operating characteristics
  • Apparatus for controlling multiple bicycle operating characteristics
  • Apparatus for controlling multiple bicycle operating characteristics

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] figure 1 is a side view of a bicycle 10 including a particular embodiment of an adjustable element. In this embodiment, the bicycle 10 is an exercise bicycle in the form of a mountain bike comprising: a front frame portion 14; a rear frame portion 18 pivotally connected to the front frame portion by a pivot shaft 22 frame portion 14; a rear suspension member 26 having a front end pivotally connected to the front frame portion 14 by a pivot axis 30 and pivotably connected to the rear frame portion 18 by a pivot axis 34 the rear end of the front fork frame 38, which is rotatably mounted to the front frame portion 14; , a front wheel 42 rotatably attached to the lower portion of the front fork frame 38, a rear wheel 46 rotatably attached to the rear of the rear frame portion 18, a front brake 48 for braking the front wheel 42, A rear brake 50 and a driving mechanism 52 for braking the rear wheels 46 .

[0015] The drive mechanism 52 includes: a pedal crank 54 comprising...

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PUM

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Abstract

A bicycle operating characteristic control apparatus includes a first bicycle component and a second bicycle component, wherein the second bicycle component is changeable from a first status to a second status. The first bicycle component includes a base member for coupling to a bicycle frame, a movable member coupled for movement relative to the base member, and a chain guide coupled to the movable member for guiding a chain among a plurality of sprockets in response to movement of the movable member. A biasing device provides a biasing force to the chain guide for tensioning the chain, and a rotation resistance changing device changes a rotational resistance of the chain guide relative to the movable member. The first bicycle component and the second bicycle component are operatively coupled so that rotational resistance of the chain guide changes in conjunction with a change of status of the second bicycle component.

Description

technical field [0001] The present invention relates to a bicycle control device and, more particularly, to various features of an apparatus for controlling a plurality of bicycle operating characteristics. Background technique [0002] A bicycle has several operating components. For example, a bicycle transmission may include multiple front sprockets mounted for rotation with the pedals and multiple rear sprockets mounted for rotation with the rear wheels . To change the gear ratio of a bicycle transmission, the front derailleur switches the chain to engage each front sprocket, and the rear derailleur switches the chain to engage each rear sprocket. Because the length of chain required to engage a particular combination of front and rear sprockets varies depending on the chainring combination selected, the chain must be long enough to engage the largest front and rear sprockets, and some mechanisms Must be provided to maintain slack in the chain as it engages the smaller...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K23/02B62L3/02B62M25/04
CPCB62M25/08B62M25/04B62J2099/0013B62K23/02B60T7/102B62L3/02B62J50/22
Inventor 山口壮太谢花聪
Owner SHIMANO INC
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