JPS6282292U - - Google Patents
Info
- Publication number
- JPS6282292U JPS6282292U JP1985174557U JP17455785U JPS6282292U JP S6282292 U JPS6282292 U JP S6282292U JP 1985174557 U JP1985174557 U JP 1985174557U JP 17455785 U JP17455785 U JP 17455785U JP S6282292 U JPS6282292 U JP S6282292U
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- inner guide
- front derailleur
- outward
- bicycle
- 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.)
- Granted
Links
Landscapes
- Transmissions By Endless Flexible Members (AREA)
Description
第１図は本考案の自転車用フロントデイレーラ
の取付け状態を示す正面図、第２図は第１図のフ
ロントデイレーラの―線断面図、第３図は第
１図のフロントデイレーラの―線断面図、第
４図は第１図のフロントデイレーラの―線断
面図、第５図は本考案の作用を示す第１図―
線断面図、第６図は本考案の作用を示す第１図
―線断面図、第７図は従来例の正面図、第８図
は第７図の方向矢視図である。
４……制御機構、９……内ガイドプレート、９
ａ……（内ガイドプレートの）下縁、９ｂ……（
内ガイドプレートの）下方延長部、１０……外ガ
イドプレート、１１……膨出条、１１ｃ……（膨
出条の）最前部、ｓ……前ギヤ、ｓ１……最小径
スプロケツト、ｓ２……中間径スプロケツト、ｓ
３……最大径スプロケツト、ｃ……チエン。
Fig. 1 is a front view showing the installed state of the bicycle front derailleur of the present invention, Fig. 2 is a cross-sectional view along the line of the front derailleur of Fig. 1, and Fig. 3 is a - of the front derailleur of Fig. 1. Figure 4 is a line sectional view of the front derailleur shown in Figure 1, and Figure 5 is Figure 1 showing the action of the present invention.
6 is a sectional view taken along a line taken from FIG. 1 showing the operation of the present invention, FIG. 7 is a front view of the conventional example, and FIG. 8 is a view taken in the direction of FIG. 7. 4...Control mechanism, 9...Inner guide plate, 9
a...lower edge (of the inner guide plate), 9b...(
(of the inner guide plate) downward extension part, 10...outer guide plate, 11...bulging strip, 11c...frontmost part (of the bulging strip), s...front gear, s1...minimum diameter sprocket, s2... ...Intermediate diameter sprocket, s
3...Maximum diameter sprocket, c...Chain.
Claims (1)
イドプレートおよび外ガイドプレートを備える自
転車用フロントデイレーラにおいて、内ガイドプ
レートの下縁に、この内ガイドプレートが外方に
移行したときに最大径スプロケツトの周部に対し
てオーバラツプする下方延長部を内ガイドプレー
トの略全長にわたつて設ける一方、この延長部の
内面に、断面山形の膨出条を、内ガイドプレート
の略全長にわたつて前ギヤと略同心円状に形成し
、かつ、この膨出条の最前部を前ギヤの半径方向
外方方向に若干退避させたことを特徴とする、自
転車用フロントデイレーラ。 In a bicycle front derailleur having an inner guide plate and an outer guide plate that are translated inward and outward by a control mechanism, the lower edge of the inner guide plate is provided with a circumference of the largest diameter sprocket when the inner guide plate is moved outward. A downwardly extending portion overlapping the inner guide plate is provided over substantially the entire length of the inner guide plate, and a bulging strip with a chevron-shaped cross section is provided on the inner surface of this extending portion over substantially the entire length of the inner guide plate. A front derailleur for a bicycle, characterized in that the front derailleur is formed concentrically and the foremost part of the bulging strip is slightly retracted in the radial direction outward of the front gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985174557U JPH0310142Y2 (en) | 1985-11-13 | 1985-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985174557U JPH0310142Y2 (en) | 1985-11-13 | 1985-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6282292U true JPS6282292U (en) | 1987-05-26 |
| JPH0310142Y2 JPH0310142Y2 (en) | 1991-03-13 |
Family
ID=31113050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985174557U Expired JPH0310142Y2 (en) | 1985-11-13 | 1985-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310142Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223038U (en) * | 1975-08-05 | 1977-02-18 | ||
| JPS5931594U (en) * | 1982-08-24 | 1984-02-27 | マエダ工業株式会社 | Bicycle front derailleur |
| JPS60222385A (en) * | 1984-04-18 | 1985-11-06 | 株式会社シマノ | Front derailer for bicycle |
-
1985
- 1985-11-13 JP JP1985174557U patent/JPH0310142Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223038U (en) * | 1975-08-05 | 1977-02-18 | ||
| JPS5931594U (en) * | 1982-08-24 | 1984-02-27 | マエダ工業株式会社 | Bicycle front derailleur |
| JPS60222385A (en) * | 1984-04-18 | 1985-11-06 | 株式会社シマノ | Front derailer for bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310142Y2 (en) | 1991-03-13 |