JPH0133439Y2 - - Google Patents
Info
- Publication number
- JPH0133439Y2 JPH0133439Y2 JP1983063333U JP6333383U JPH0133439Y2 JP H0133439 Y2 JPH0133439 Y2 JP H0133439Y2 JP 1983063333 U JP1983063333 U JP 1983063333U JP 6333383 U JP6333383 U JP 6333383U JP H0133439 Y2 JPH0133439 Y2 JP H0133439Y2
- Authority
- JP
- Japan
- Prior art keywords
- band member
- wire
- receiver
- band
- front derailleur
- 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.)
- Expired
Links
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/131—Front derailleurs
- B62M9/137—Mounting or guiding of cables
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Description
【考案の詳細な説明】
本考案はフロントデイレーラー、詳しくは自転
車フレームに挾着するバンド部材を備えたベース
部材に、１対のリンク部材を介してチエンガイド
を支持し、操作ワイヤの操作により前記チエンガ
イドを作動させるごとく成したフロントデイレー
ラーに関する。[Detailed description of the invention] This invention supports a chain guide on a front derailleur, more specifically, a base member equipped with a band member that is attached to a bicycle frame, through a pair of link members, and is operated by an operating wire. The present invention relates to a front derailleur configured to operate the chain guide.
一般に、この種フロントデイレーラーにおい
て、前記チエンガイドの操作は、操作ワイヤと該
操作ワイヤを案内するアウター筒とを用いて行な
うか、或いは操作ワイヤのみを用いる所謂ベア式
ワイヤを用いて行なつているのである。 Generally, in this type of front derailleur, the chain guide is operated by using an operating wire and an outer tube that guides the operating wire, or by using a so-called bare wire method that uses only the operating wire. There is.
ところで、従来のフロントデイレーラーにあつ
ては例えば実開昭53−86751号公報に見られる如
く、前記ベース部材に突出状に一体成形され、か
つねじ孔を備えた支持体に、アウター受部を備え
たアウター受具を螺着手段を介して固定すること
により、該アウター受具に前記アウター筒を支持
すべく成している。 By the way, in the case of a conventional front derailleur, as seen in, for example, Japanese Utility Model Application Publication No. 53-86751, an outer receiving part is attached to a support body which is integrally molded in a projecting manner on the base member and is provided with a screw hole. The outer tube is supported on the outer receiver by fixing the provided outer receiver via a screwing means.
ところが、上記した従来のものは、アウター受
具の取付構造が複雑となつて製造コストが高くな
るばかりか、ベア式ワイヤを用いる場合において
は、前記支持体は前記ベース部材から突出したま
まの状態となり、そのために外観が悪く、かつ前
記支持体の材料費も無駄となつてコスト高になる
問題があつた。 However, in the above-mentioned conventional method, not only does the mounting structure of the outer holder become complicated and the manufacturing cost increases, but also when bare wire is used, the support remains protruding from the base member. Therefore, there was a problem that the appearance was poor and the material cost of the support was wasted, resulting in high costs.
本考案はこのような問題に鑑みて考案したもの
で、目的とするところはアウター受具をバンド部
材とフレームとの間に挾着固定することにより、
前記アウター筒の支持を極めて簡単にかつ確実に
行なうことができ、しかもベア式ワイヤを用いる
場合においては、前記アウター受具を取外すこと
により、前記アウター受具の外方への突出をなく
して外観を良好にできるフロントデイレーラーを
提供する点にある。 The present invention was devised in view of these problems, and its purpose is to securely secure the outer bracket between the band member and the frame.
The outer tube can be supported extremely easily and reliably, and when bare wire is used, by removing the outer holder, the outward protrusion of the outer holder can be eliminated and the appearance can be improved. The point is to provide a front derailleur that can be used in good condition.
即ち本考案は、自転車フレームに挾着するバン
ド部材を備えたベース部材に、１対のリンク部材
を介してチエンガイドを支持し、操作ワイヤの操
作により前記チエンガイドを作動させるごとく成
したフロントデイレーラーであつて、前記バンド
部材の内側面に係合部を設けると共に、前記ワイ
ヤを案内するアウター筒のアウター受具を形成し
て、該アウター受具に、前記係合部と係合可能
で、かつ前記バンド部材のフレームへの取付時、
該バンド部材とフレームとの間で挾着固定する挾
着片を設けたことを特徴とするものである。 That is, the present invention has a front desk that supports a chain guide via a pair of link members on a base member equipped with a band member that is attached to a bicycle frame, and operates the chain guide by operating an operating wire. In the railer, an engaging portion is provided on the inner surface of the band member, and an outer receiver of an outer tube for guiding the wire is formed, and the outer receiver is capable of engaging with the engaging portion. , and when attaching the band member to the frame,
The present invention is characterized in that a clamping piece is provided for clamping and fixing between the band member and the frame.
以下本考案にかかるフロントデイレーラーの実
施例を図面に基づいて説明する。 Embodiments of the front derailleur according to the present invention will be described below with reference to the drawings.
図において１はベース部材、２，３はこのベー
ス部材１にピン４，５を介して枢着する１対のリ
ンク部材、６はこれらリンク部材２，３の遊端部
にピン７，８を介して枢着する可動部材であり、
９はこの可動部材６に固定のチエンガイドであ
る。 In the figure, 1 is a base member, 2 and 3 are a pair of link members pivotally connected to the base member 1 via pins 4 and 5, and 6 is a pair of link members that are connected to the free ends of these link members 2 and 3 with pins 7 and 8. a movable member pivotally connected through the
9 is a chain guide fixed to this movable member 6.
尚図において１５は、前記リンク部材３に設け
る操作ワイヤＷの固定具、１６，１７は、前記リ
ンク部材２，３の揺動範囲を規制する調整ボル
ト、１８はリターンスプリングである。 In the figure, 15 is a fixture for the operating wire W provided on the link member 3, 16 and 17 are adjustment bolts that regulate the swing range of the link members 2 and 3, and 18 is a return spring.
又図面に示した可動部材６は、チエンガイド９
から一体に延長して形成しているが、チエンガイ
ド９とは別個に形成しても良い。 Furthermore, the movable member 6 shown in the drawing is a chain guide 9.
Although it is formed as an integral extension from the chain guide 9, it may be formed separately from the chain guide 9.
しかして前記ベース部材１は、自転車における
自転車フレームＳに固定するもので、半円弧状の
固定部１１ａと、前記ピン４，５を支持する支持
部１１ｂとをもつた第１バンド部材１１と、前記
固定部材１１ａにピン１０で枢着する半円弧状の
第２バンド部材１２とから成り、これら第１及び
第２バンド部材１１，１２をボルト１３及びナツ
ト１４で結合し、前記自転車フレームＳに挾着す
るごとく固定するのである。 The base member 1 is fixed to a bicycle frame S of a bicycle, and includes a first band member 11 having a semicircular arc-shaped fixing part 11a and a support part 11b supporting the pins 4 and 5. It consists of a semi-circular second band member 12 which is pivotally attached to the fixed member 11a with a pin 10, and these first and second band members 11 and 12 are connected with a bolt 13 and a nut 14 to the bicycle frame S. It is fixed like a clamp.
斯くの如く構成するベース部材１における前記
第１バンド部材１１の一端部の内側面に係合部２
０を形成すると共に、該係合部２０に対応した外
側面を外方に膨出させて膨出部２１を形成し、さ
らに前記膨出部２１の中央部には通孔２２を設け
ている。 An engaging portion 2 is provided on the inner surface of one end of the first band member 11 in the base member 1 configured as described above.
0, and the outer surface corresponding to the engaging part 20 is bulged outward to form a bulging part 21, and a through hole 22 is provided in the center of the bulging part 21. .
一方、操作ワイヤＷを案内するアウター筒Ｏの
アウター受具２３を第１アウター受具２４及び第
２アウター受具２８とにより構成するのである。 On the other hand, the outer receiver 23 of the outer tube O that guides the operating wire W is constituted by a first outer receiver 24 and a second outer receiver 28.
詳しくは、前記第１アウター受具２４は第３，
４図に示した如く、該第１アウター受具２４にお
ける外側面中央部付近から半径方向内方に向つて
前記アウター筒Ｏを嵌合させる嵌合孔２５を設け
ると共に、前記嵌合孔２５と同一軸芯上で、かつ
前記嵌合孔２５と相対向する側に、前記操作ワイ
ヤＷを挿通させるワイヤ挿通孔２６を設けてお
り、また該第１アウター受具２４の底面２４ａか
ら該受具２４の軸芯に沿つて、前記嵌合孔２５側
の内周面に平担面２７ａを有した挿通孔２７を設
けている。 Specifically, the first outer receiver 24 is
As shown in FIG. 4, a fitting hole 25 into which the outer cylinder O is fitted is provided from near the center of the outer surface of the first outer receiver 24 inward in the radial direction, and the fitting hole 25 and A wire insertion hole 26 through which the operating wire W is inserted is provided on the same axis and on a side opposite to the fitting hole 25, and a wire insertion hole 26 is provided through which the operating wire W is inserted. 24, an insertion hole 27 having a flat surface 27a is provided on the inner peripheral surface on the fitting hole 25 side.
又、前記第２アウター受具２８は、第３，４図
に示した如く前記第１アウター受具２４の挿通孔
２７に挿通すべく平担面２９ａを有した軸体２９
と、該軸体２９の一端部に前記係合部２０と係合
可能で、、かつ前記第１及び第２バンド部材１１，
１２の前記自転車フレームＳへの取付時、前記第
１バンド部材１１と前記自転車フレームＳとの間
で挾着固定する挾着片３０とを一体成形してな
り、しかも前記軸体２９は、該軸体２９を前記挿
通孔２７に挿通させた時、前記ワイヤ挿通孔２６
と対応する位置に通孔２９ｂを設けている。 Further, the second outer receiver 28 has a shaft body 29 having a flat surface 29a to be inserted into the insertion hole 27 of the first outer receiver 24 as shown in FIGS. 3 and 4.
and the first and second band members 11, which can be engaged with the engaging portion 20 at one end of the shaft body 29, and the first and second band members 11,
12 is integrally molded with a clamping piece 30 that is clamped and fixed between the first band member 11 and the bicycle frame S, and the shaft body 29 is attached to the bicycle frame S. When the shaft body 29 is inserted into the insertion hole 27, the wire insertion hole 26
A through hole 29b is provided at a position corresponding to.
尚、前記挾着片３０の前記フレームＳ側の側面
３０ａは前記フレームＳに沿う如く円弧面をもた
せた形状となすのである。 The side surface 30a of the clamping piece 30 on the side of the frame S has an arcuate shape along the frame S.
そして、前記軸体２９を前記第１バンド部材１
１の通孔２２に挿通させて、前記挾着片３０を前
記係合部２０に前記第１バンド部材１１と前記側
面３０ａを略面一状に若しくはやや突出状に係合
させると共に、前記第１バンド部材１１及び第２
バンド部材１２の前記自転車フレームＳへの取付
けにより、前記第２アウター受具２８の挾着片３
０を前記第１バンド部材１１と前記自転車フレー
ムＳとの間で挾着固定する一方、前記軸体２９に
前記第１アウター受具２４を挿嵌させることによ
り、アウター受具２３を前記第１バンド部材１１
に設けるのであり、斯くのごとく設けたアウター
受具２３にアウター筒Ｏを支持すべく成すのであ
る。 Then, the shaft body 29 is attached to the first band member 1.
1 through the through hole 22 of the first band member 11 and the side surface 30a of the first band member 11 and the side surface 30a are engaged with the engaging portion 20 in a substantially flush manner or in a slightly protruding shape. 1 band member 11 and the 2nd band member 11
By attaching the band member 12 to the bicycle frame S, the clamping piece 3 of the second outer holder 28
0 is clamped and fixed between the first band member 11 and the bicycle frame S, and the first outer holder 24 is inserted into the shaft body 29, so that the outer holder 23 is fixed to the first band member 11 and the bicycle frame S. Band member 11
The outer tube O is supported by the outer support 23 provided in this way.
本考案のフロントデイレーラーは以上の如く構
成するもので、前記フロントデイレーラーのチエ
ンガイド９の操作を操作ワイヤＷ及びアウター筒
Ｏを用いて行なう場合には、前記した如く第１バ
ンド部材１１にアウター受具２３を設ける一方、
前記嵌合孔２５、前記通孔２９ｂ及び前記ワイヤ
挿通孔２６に操作ワイヤＷを挿通させ、かつ前記
アウター筒Ｏを前記嵌合孔２５に嵌合させると共
に、前記アウター筒Ｏの先端部分を前記軸体２９
に形成した平担面２９ａに接当させて、前記アウ
ター筒Ｏを前記アウター受具２３で支持するので
ある。 The front derailleur of the present invention is constructed as described above, and when the chain guide 9 of the front derailleur is operated using the operating wire W and the outer tube O, the first band member 11 is connected to the front derailleur as described above. While providing the outer receiver 23,
The operating wire W is inserted into the fitting hole 25, the through hole 29b, and the wire insertion hole 26, and the outer cylinder O is fitted into the fitting hole 25, and the tip portion of the outer cylinder O is inserted into the Shaft body 29
The outer tube O is supported by the outer support 23 by being brought into contact with a flat surface 29a formed in the outer tube O.
しかも前記第２アウター受具２８は該受具２８
に形成した挾着片３０を第１バンド部材１１と自
転車フレームＳとの間で挾着固定するため、前記
第２アウター受具２８が前記第１バンド部材１１
から抜け落ちるような虞れはなく、また第１アウ
ター受具２４は該第１アウター受具２４に形成し
た挿通孔２７に第２アウター受具２８の軸体２９
を挿入すると共に、上記したように前記操作ワイ
ヤＷ及びアウター筒Ｏをそれぞれ挿通或いは嵌合
させているために、該第１アウター受具２４が前
記第２アウター受具２８から抜け出すような虞れ
もなく、従つて、前記アウター筒Ｏを前記アウタ
ー受具２３により極めて簡単でかつ確実に支持す
ることができるのである。 Moreover, the second outer receiver 28 is
In order to clamp and fix the clamping piece 30 formed between the first band member 11 and the bicycle frame S, the second outer receiver 28 is attached to the first band member 11.
There is no risk of the first outer holder 24 falling off the shaft 29 of the second outer holder 28 through the insertion hole 27 formed in the first outer holder 24.
At the same time as the operation wire W and the outer tube O are inserted or fitted together as described above, there is a risk that the first outer holder 24 may slip out of the second outer holder 28. Therefore, the outer tube O can be supported by the outer support 23 extremely simply and reliably.
又、前記チエンガイド９の操作をベア式ワイヤ
を用いて行なう場合においては、前記アウター受
具２３は不必要となるのであるが、本考案のアウ
ター受具２３は上記したような構成であるため、
前記アウター受具２３を前記第１バンド部材１１
から容易に取外すことができるのである。 Furthermore, in the case where the chain guide 9 is operated using a bare wire, the outer receiver 23 is unnecessary, but since the outer receiver 23 of the present invention has the above-described configuration. ,
The outer receiver 23 is attached to the first band member 11.
It can be easily removed from the
即ち、前記第１アウター受具２４を前記第２ア
ウター受具２８から抜取る一方、前記ナツト１４
を弛めることにより、前記第１及び第２バンド部
材１１，１２の前記自転車フレームＳに対する挾
着固定状態を緩めて、前記第１バンド部材１１の
係合部２０に係合した前記第２アウター受具２８
を取外すのである。そして前記第２アウター受具
２８を取外した後、前記ナツト１４の前記ボルト
１３への締込みにより前記第１及び第２バンド部
材１１，１２を前記自転車フレームＳに挾着固定
するのである。 That is, while removing the first outer holder 24 from the second outer holder 28, the nut 14
, the first and second band members 11 and 12 are loosened from the bicycle frame S, and the second outer receiver engaged with the engaging portion 20 of the first band member 11 is loosened. Ingredients 28
It is removed. After removing the second outer support 28, the first and second band members 11 and 12 are fixed to the bicycle frame S by tightening the nut 14 onto the bolt 13.
従つて前記第１バンド部材１１から前記アウタ
ー受具２３を取外すことにより、アウター受具２
３の前記第１バンド部材１１からの突出をなくす
ことができて、ベヤ式ワイヤを用いた場合におい
てもフロントデイレーラーの取付け部分の外観を
良好にできると共に、使用材料を削減できてコス
トの低減をはかることができるのである。 Therefore, by removing the outer receiver 23 from the first band member 11, the outer receiver 2
3, the protrusion from the first band member 11 can be eliminated, and even when bare wire is used, the appearance of the mounting part of the front derailleur can be improved, and the materials used can be reduced, resulting in cost reduction. can be measured.
尚、実施例においては前記挾着片３０を係合さ
せる係合部２０を第１バンド部材１１に形成した
のであるが、前記係合部２０を第２バンド部材１
２に形成すべく成してもよく、また、前記膨出部
２１を形成せずに、前記第１又は第２バンド部材
１１，１２に形成した係合部２０に直接通孔２２
を設けてもよい。 In the embodiment, the engaging portion 20 for engaging the clamping piece 30 was formed on the first band member 11, but the engaging portion 20 was formed on the second band member 1.
Alternatively, the through hole 22 may be formed directly into the engaging portion 20 formed on the first or second band member 11 or 12 without forming the bulging portion 21.
may be provided.
また、前記係合部２０は、例えば第４図に示す
如く非円形に形成して、バンド部材１１に対し前
記アウター受具２３が回転しないようにする他、
例えば円形に形成して前記アウター受具２３をバ
ンド部材１１に対し回転させ得るようにしてもよ
い。斯くすることにより前記操作ワイヤＷの牽引
時、前記アウター受具２３を遊回転させて、前記
ワイヤＷのアウター受具２３から外部への露出部
における屈曲度を小さくでき、前記ワイヤＷの牽
引操作時における抵抗を小さくできるのである。 Further, the engaging portion 20 is formed into a non-circular shape as shown in FIG. 4, for example, to prevent the outer receiver 23 from rotating with respect to the band member 11.
For example, it may be formed into a circular shape so that the outer receiver 23 can be rotated with respect to the band member 11. By doing so, when pulling the operation wire W, the outer receiver 23 can be freely rotated, and the degree of bending of the portion of the wire W exposed to the outside from the outer receiver 23 can be reduced, and the pulling operation of the wire W can be performed. This makes it possible to reduce the resistance during time.
また前記第１アウター受具２４或いは第２アウ
ター受具２８の形状は、前記アウター筒Ｏを第１
又は第２バンド部材１１，１２に支持できる形状
であればどのような形状であつても良い。 Further, the shape of the first outer holder 24 or the second outer holder 28 is such that the outer tube O is
Alternatively, it may have any shape as long as it can be supported by the second band members 11 and 12.
また、前記アウター受具２３を第５図に示した
如く構成しても良い。 Further, the outer receiver 23 may be constructed as shown in FIG. 5.
即ち、第１又は第２バンド部材１１，１２の一
部を外方へ突出させることにより係合部４０を設
ける一方、アウター筒Ｏを嵌合させる嵌合孔５１
と該嵌合孔５１に連通するワイヤ挿通孔５２とを
備えたアウター受体５３と、前記係合部４０に係
合する挾着片５４及び該挾着片５４に前記アウタ
ー受体５３を保持させる保持体５５とからなるア
ウター受具５０を別途形成し、前記挾着片５４の
前記係合部４０への係合後、前記ナツト１４の前
記ボルト１３への螺着により前記第１及び第２バ
ンド部材１１，１２を前記自転車フレームＳに取
付け、前記挾着片５４を前記第１又は第２バンド
部材１１，１２と前記自転車フレームＳとの間で
挾着固定して、前記アウター受具５０を前記第１
又は第２バンド部材１１，１２に着脱可能に固定
すべく成しても良いのである。 That is, the engaging portion 40 is provided by partially protruding the first or second band member 11 or 12 outward, while the fitting hole 51 into which the outer cylinder O is fitted is provided.
and a wire insertion hole 52 communicating with the fitting hole 51, a clamping piece 54 that engages with the engaging portion 40, and the clamping piece 54 holds the outer receptor 53. After the clamping piece 54 is engaged with the engaging portion 40, the nut 14 is screwed onto the bolt 13, and the first and first The two band members 11, 12 are attached to the bicycle frame S, the clamping piece 54 is clamped and fixed between the first or second band members 11, 12 and the bicycle frame S, and the outer receiver is fixed. 50 to the first
Alternatively, it may be configured to be removably fixed to the second band members 11, 12.
又、前記挾着片５３に突起５６を設けると共
に、前記係合部４０に係止孔５７を設けて前記挾
着片５３の前記係合部４０への組付け時、前記突
起５６を前記係止孔５７に係止させることで、前
記挾着片５３の脱落防止と位置決めとを行なうご
とく成しても良い。 Further, a protrusion 56 is provided on the clamping piece 53 and a locking hole 57 is provided in the engaging part 40 so that when the clamping piece 53 is assembled to the engaging part 40, the protrusion 56 is inserted into the engaging part 40. By locking into the stopper hole 57, the clamping piece 53 may be prevented from falling off and positioned.
尚、前記保持体５５は特に必要とせず、前記ア
ウター受体５３と前記挾着片５４に保持される構
造であれば良いし、又前記嵌合孔５１は、フレー
ムＳの軸芯に対して傾斜させても良い。 It should be noted that the holding body 55 is not particularly required, and may have a structure in which it is held by the outer receiving body 53 and the clamping piece 54, and the fitting hole 51 is arranged so that the fitting hole 51 is aligned with respect to the axis of the frame S. It may be tilted.
以上説明した如く本考案は、バンド部材の内側
面に係合部を設けると共に、前記ワイヤを案内す
るアウター筒のアウター受具を形成して、該アウ
ター受具に前記係合部と係合可能で、かつ前記バ
ンド部材のフレームへの取付時、該バンド部材と
フレームとの間で、挾着固定する挾着片を設けた
ことにより、アウター受具の構造が極めて簡単で
あり、また前記アウター受具を前記バンド部材に
容易に取付けることができ、しかも前記アウター
筒を確実に支持することができながら、ベア式ワ
イヤを用いる場合においては、前記アウター受具
を前記バンド部材から容易に取外すことができる
ため、前記バンド部材からの前記アウター受具の
突出をなくすことができて、フロントデイレーラ
ーの取付け部分の外観を良好にでき、しかも使用
材料を削減できてコストの低減をはかることが可
能となるのである。 As explained above, the present invention provides an engaging part on the inner surface of the band member, and forms an outer receiver of the outer tube that guides the wire, so that the outer receiver can be engaged with the engaging part. In addition, when the band member is attached to the frame, a clamping piece is provided between the band member and the frame for clamping and fixing, so that the structure of the outer holder is extremely simple. A receiver can be easily attached to the band member, and the outer tube can be reliably supported, while the outer receiver can be easily removed from the band member when using bare wire. As a result, it is possible to eliminate the protrusion of the outer receiver from the band member, improve the appearance of the front derailleur mounting part, and reduce the amount of materials used to reduce costs. It becomes.
第１図は本考案にかかるフロントデイレーラー
の実施例を示す正面図、第２図は同じく平面図、
第３図は要部の縦断面図、第４図は要部の分解斜
視図、第５図は他の実施例を示す要部の分解斜視
図である。
１……ベース部材、２，３……リンク部材、９
……チエンガイド、１１，１２……第１、第２バ
ンド部材、２０……係合部、２３……アウター受
具、３０……挾着片、Ｓ……自転車フレーム、Ｏ
……アウター筒、Ｗ……操作ワイヤ。
FIG. 1 is a front view showing an embodiment of the front derailleur according to the present invention, FIG. 2 is a plan view,
FIG. 3 is a longitudinal sectional view of the main part, FIG. 4 is an exploded perspective view of the main part, and FIG. 5 is an exploded perspective view of the main part showing another embodiment. 1... Base member, 2, 3... Link member, 9
... Chain guide, 11, 12 ... First and second band members, 20 ... Engagement part, 23 ... Outer receiver, 30 ... Clamping piece, S ... Bicycle frame, O
...Outer tube, W...Operation wire.
Claims (1)
ベース部材に、１対のリンク部材を介してチエン
ガイドを支持し、操作ワイヤの操作により前記チ
エンガイドを作動させるごとく成したフロントデ
イレーラーであつて、前記バンド部材の内側面に
係合部を設けると共に、前記ワイヤを案内するア
ウター筒のアウター受具を形成して該アウター受
具に、前記係合部と係合可能で、かつ前記バンド
部材のフレームへの取付時、該バンド部材とフレ
ームとの間で挾着固定する挾着片を設けたことを
特徴とするフロントデイレーラー。 A front derailleur comprising a base member having a band member that is clamped to a bicycle frame, supporting a chain guide via a pair of link members, and operating the chain guide by operating an operating wire, the front derailleur comprising: An engaging portion is provided on the inner surface of the band member, and an outer receiver of the outer tube for guiding the wire is formed, and the outer receiver is capable of engaging with the engaging portion and has a shape of the band member. A front derailleur characterized by being provided with a clamping piece that is clamped and fixed between the band member and the frame when attached to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983063333U JPS59167787U (en) | 1983-04-27 | 1983-04-27 | front derailleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983063333U JPS59167787U (en) | 1983-04-27 | 1983-04-27 | front derailleur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59167787U JPS59167787U (en) | 1984-11-09 |
| JPH0133439Y2 true JPH0133439Y2 (en) | 1989-10-11 |
Family
ID=30193527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983063333U Granted JPS59167787U (en) | 1983-04-27 | 1983-04-27 | front derailleur |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59167787U (en) |
-
1983
- 1983-04-27 JP JP1983063333U patent/JPS59167787U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59167787U (en) | 1984-11-09 |
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