JPH03107392U - - Google Patents
Info
- Publication number
- JPH03107392U JPH03107392U JP1649090U JP1649090U JPH03107392U JP H03107392 U JPH03107392 U JP H03107392U JP 1649090 U JP1649090 U JP 1649090U JP 1649090 U JP1649090 U JP 1649090U JP H03107392 U JPH03107392 U JP H03107392U
- Authority
- JP
- Japan
- Prior art keywords
- link
- guide
- chain guide
- base
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
第１図は本願考案の自転車用リヤデイレーラ１
の全体側面図、第２図は第１図におけるリヤデイ
レーラ１要部拡大斜視図、第３図は第１図におけ
る−線に沿う断面図、第４図ないし第７図は
本願考案の作用を説明する図である。
１……リヤデイレーラ、１ｂ，１ｃ……ストツ
パ手段、２……リンクベース、３……左リンク、
４……右リンク、５……ガイド台、６……シフト
リンク機構、７……チエンガイド、８……ガイド
プーリ、９……テンシヨンプーリ、１０……支軸
（ガイド軸）、１８……第一のバネ、２１……第
二のバネ。
Figure 1 shows bicycle rear derailleur 1 of the present invention.
2 is an enlarged perspective view of the main part of the rear derailleur 1 in FIG. 1, FIG. 3 is a sectional view taken along the - line in FIG. 1, and FIGS. 4 to 7 explain the operation of the present invention. This is a diagram. 1... Rear derailleur, 1b, 1c... Stopper means, 2... Link base, 3... Left link,
4... Right link, 5... Guide stand, 6... Shift link mechanism, 7... Chain guide, 8... Guide pulley, 9... Tension pulley, 10... Support shaft (guide shaft), 18... ...First spring, 21...Second spring.
Claims (1)
るリンクベースと、このリンクベースに基端にお
いて揺動可能に連結される左リンクおよび右リン
クと、これらリンクの先端に揺動可能に連結され
るガイド台とによつて構成され、上記リンクベー
スの反時計回り方向への回動がストツパ手段によ
つて所定範囲に制限されたシフトリンク機構を構
成する一方、上記ガイド台に対し、ガイドプーリ
とテンシヨンプーリとを備えるチエンガイドを、
チエンテンシヨン付与方向に付勢しつつ所定の支
軸周りに回動可能に支持して構成される自転車用
リヤデイレーラにおいて、 上記ガイド台と上記チエンガイドとの間に、チ
エンガイドの所定の回動範囲の全範囲においてチ
エンガイドに上記方向の付勢力を与える第一のバ
ネと、チエンガイドの上記回動範囲のうち一部範
囲のみチエンガイドに上記方向の付勢力を与える
第二のバネとを設けたことを特徴とする、自転車
用リヤデイレーラ。[Claims for Utility Model Registration] A link base that is rotatably attached to a bicycle frame, a left link and a right link that are swingably connected to this link base at their base ends, and a swingable link at the tip of these links. and a guide base movably connected to each other, forming a shift link mechanism in which counterclockwise rotation of the link base is limited to a predetermined range by a stopper means. On the other hand, a chain guide equipped with a guide pulley and a tension pulley,
In a bicycle rear derailleur configured to be supported rotatably around a predetermined support shaft while being biased in the direction of applying chain tension, a predetermined rotational movement of the chain guide is provided between the guide stand and the chain guide. A first spring that applies a biasing force in the above direction to the chain guide over the entire range, and a second spring that applies a biasing force in the above direction to the chain guide only in a part of the rotation range of the chain guide. A rear derailleur for bicycles, which is characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1649090U JPH03107392U (en) | 1990-02-21 | 1990-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1649090U JPH03107392U (en) | 1990-02-21 | 1990-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107392U true JPH03107392U (en) | 1991-11-05 |
Family
ID=31751316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1649090U Pending JPH03107392U (en) | 1990-02-21 | 1990-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107392U (en) |
-
1990
- 1990-02-21 JP JP1649090U patent/JPH03107392U/ja active Pending
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