JPS6138878Y2 - - Google Patents
Info
- Publication number
- JPS6138878Y2 JPS6138878Y2 JP10439479U JP10439479U JPS6138878Y2 JP S6138878 Y2 JPS6138878 Y2 JP S6138878Y2 JP 10439479 U JP10439479 U JP 10439479U JP 10439479 U JP10439479 U JP 10439479U JP S6138878 Y2 JPS6138878 Y2 JP S6138878Y2
- Authority
- JP
- Japan
- Prior art keywords
- lever
- bracket
- lever shaft
- shaft
- protrusion
- 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
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Mechanical Control Devices (AREA)
Description
【考案の詳細な説明】
本考案は自転車用操作レバー装置、詳しくはブ
ラケツトにレバー軸を介して操作レバーを枢着
し、前記レバーの操作により操作ワイヤーを動作
させて、自転車の主としてブレーキなどの作動機
を作動させるごとくした自転車用操作レバー装置
に関する。[Detailed Description of the Invention] The present invention is an operating lever device for a bicycle. Specifically, an operating lever is pivotally attached to a bracket via a lever shaft, and an operating wire is operated by operating the lever, and the operating lever is mainly used for bicycles such as brakes. The present invention relates to a bicycle operating lever device that operates an actuator.
一般に比種操作レバー装置は、自転車のハンド
ルバーに取付けて使用されるのであるが、前記ハ
ンドルバーは形状の異なるものが多数あり、しか
も使用する運転者の手の大きさもそれぞれ異なる
ため、ハンドルバーの形状並びに運転者の手の大
きさに応じて前記操作レバーの握り部におけるハ
ンドルバーとの間隔、即ちグリツプデイメンジヨ
ンを変更する必要があつた。 In general, a differential control lever device is used by being attached to the handlebar of a bicycle, but since there are many types of handlebars with different shapes and the size of the hands of the driver who uses them also differs, the handlebar It is necessary to change the distance between the grip portion of the operating lever and the handlebar, that is, the grip dimension, depending on the shape of the handlebar and the size of the driver's hands.
そこで従来、前記レバー軸の中間を該レバー軸
の中心に対し偏心させて、この偏心部に前記操作
レバーを回転可能に支持すると共に、前記レバー
軸の一端に回転操作部を設け、他端にナツトを螺
合により取付けて、このナツトにより前記レバー
軸を前記ブラケツトに固定し、前記ナツトを緩め
て前記レバー軸をブラケツトに対し一定角度回転
することにより、前記操作レバーの枢着中心を、
レバー軸の軸心を中心に変位させ、前記グリツプ
デイメンジヨンを変更するごとく構成していた。
所がこの従来装置によれば、前記グリツプデイメ
ンジヨンを変更することに前記ナツトを回転操作
しなければならない煩わしさがあるばかりか、こ
のナツトに緩みが生じて、前記グリツプデイメン
ジヨンを確実に維持できなくなり、又前記ナツト
がブラケツトの外方に突出するため、このナツト
が邪魔となるなどの欠点があつた。 Conventionally, the middle part of the lever shaft is made eccentric with respect to the center of the lever shaft, and the operating lever is rotatably supported on this eccentric part. Attach a nut by screwing, fix the lever shaft to the bracket with this nut, loosen the nut and rotate the lever shaft by a certain angle with respect to the bracket, so that the pivot center of the operating lever can be adjusted.
The grip dimension was configured to be changed by displacing the axis of the lever shaft.
However, according to this conventional device, changing the grip dimension not only requires the trouble of rotating the nut, but also loosens the nut and causes the grip dimension to change. The mension cannot be maintained reliably, and since the nut protrudes outward from the bracket, it becomes a hindrance.
本考案は以上の如き従来の欠点に鑑み考案した
ので、目的とする処はグリツプデイメンジヨンの
変更を容易にできると共に、このグリツプデイメ
ンジヨンを確実に維持でき、更にこのレバー軸の
端部がブラケツトの外方に突出するのを少なくす
ることのできる操作レバー装置を提供する点にあ
る。 The present invention has been devised in view of the above-mentioned drawbacks of the conventional technology, and its purpose is to make it possible to easily change the grip dimension, to maintain this grip dimension reliably, and to further improve the lever An object of the present invention is to provide an operating lever device that can reduce the amount of the end of the shaft protruding outward from the bracket.
しかして本考案は前記レバーを、偏心軸孔をも
つてブツシユを介して前記レバー軸に回転可能に
支持すると共に、前記ブツシユを前記ブラケツト
に対し回転可能として、前記ブツシユと前記ブラ
ケツトとの一方に突起を設け他方に前記突起を受
入れる複数個の係合部を設ける一方、前記ブツシ
ユを、前記ブラケツトに対し離反方向に弾性変位
可能にしたことを特徴とするものである。 Therefore, in the present invention, the lever is rotatably supported on the lever shaft through a bush with an eccentric shaft hole, and the bush is rotatable relative to the bracket, so that one of the bush and the bracket is connected to the lever shaft. The bushing is characterized in that a protrusion is provided on the other hand, and a plurality of engaging portions for receiving the protrusion are provided on the other hand, and the bush is elastically displaceable in a direction away from the bracket.
以下本考案の実施例を図面に基づいて説明す
る。 Embodiments of the present invention will be described below based on the drawings.
図において１は自転車のハンドルバーＢにバン
ド部材２を介して固定するブラケツトで、相対向
する側壁１ａ，１ｂと、これら側壁１ａ，１ｂを
連結する前壁１ｃとから成り、前記側壁１ａ，１
ｂにはレバー軸３と操作ワイヤーＷの支持具４と
が設けられており、又前記前壁１ｃには前記ワイ
ヤーＷを案内するアウター筒ｏ用の挿通孔１ｄが
設けられている。 In the figure, reference numeral 1 denotes a bracket that is fixed to the handlebar B of a bicycle via a band member 2, and is composed of opposing side walls 1a and 1b, and a front wall 1c that connects these side walls 1a and 1b.
b is provided with a lever shaft 3 and a support 4 for the operating wire W, and the front wall 1c is provided with an insertion hole 1d for an outer tube o for guiding the wire W.
又５は前記レバー軸３に回転自由に支持する操
作レバーで、握り部５ａの一端から屈曲部５ｂを
介して外方に延びる大略Ｌ字形を呈しており、前
記屈曲部５ｂを、偏心軸孔６ａ，７ａをもつブツ
シユ６，７を介して前記レバー軸３に回転可能に
支持するのであつて、前記屈曲部５ｂから外方に
延びる先端５ｃに、前記アウター筒ｏの一端を支
持する支持筒８をもつたアウター受９を支持して
いる。 Reference numeral 5 designates an operating lever that is rotatably supported on the lever shaft 3, and has a roughly L-shape extending outward from one end of the grip portion 5a via a bent portion 5b, and the bent portion 5b is connected to the eccentric shaft hole. A support cylinder is rotatably supported on the lever shaft 3 via bushes 6 and 7 having bushes 6a and 7a, and has a support cylinder supporting one end of the outer cylinder o at a tip 5c extending outward from the bent part 5b. It supports an outer receiver 9 having a diameter of 8.
しかして前記レバー軸３は、第４，５図の如く
両端部に円形外周面を残して、この円形外周面間
に、軸心に沿つて延びる突条３ａ，３ａを設け、
この突条３ａ，３ａ部外周に前記ブツシユ６，７
を回転不能に支持すると共に、前記円形外周面部
分３ｂ，３ｂを前記ブラケツト１の相対向する側
壁１ａ，１ｂに回転自由に支持するのであり、ま
たレバー軸３の軸方向一端には回転操作部３ｃを
もつ頭部３ｄを設け、この頭部３ｄを前記側壁１
ｂから外方に突出させて、レバー軸３の回転操作
をブラケツト１の外部から行なえるようにするの
である。 As shown in FIGS. 4 and 5, the lever shaft 3 has a circular outer circumferential surface at both ends, and protrusions 3a, 3a extending along the axis are provided between the circular outer circumferential surfaces.
The bushes 6, 7 are provided on the outer periphery of the protrusions 3a, 3a.
The lever shaft 3 is supported in a non-rotatable manner, and the circular outer circumferential surface portions 3b, 3b are rotatably supported on opposing side walls 1a, 1b of the bracket 1, and a rotary operation section is provided at one axial end of the lever shaft 3. A head 3d having a diameter 3c is provided, and this head 3d is attached to the side wall 1.
b, so that the lever shaft 3 can be rotated from the outside of the bracket 1.
又一方前記ブツシユ６，７は、第４図乃至第７
図のごとくその中心に対し偏心した位置に偏心軸
孔６ａ，７ａを設けており、この偏心軸孔６ａ，
７ａ内周面、前記レバー軸３の突条３ａ，３ａに
嵌合する凹条６ｂ，７ｂを設けて、前記ブツシユ
６，７の偏心軸孔６ａ，７ａ部分をレバー軸３に
対し回転不能に嵌合し、前記ブツシユ６，７の中
心を、前記レバー軸３の中心に対し一定寸法偏心
させると共に、前記ブツシユ６，７の円形外周面
に前記操作レバー５を回転自由に支持して、前記
レバー軸３をブラケツト１に対し回転することに
より、前記操作レバー５の回転中心をレバー軸３
の軸心を中心に変位させるのである。 On the other hand, the bushes 6 and 7 are shown in FIGS. 4 to 7.
As shown in the figure, eccentric shaft holes 6a, 7a are provided at positions eccentric to the center, and these eccentric shaft holes 6a,
Recesses 6b, 7b are provided on the inner circumferential surface of 7a to fit into the protrusions 3a, 3a of the lever shaft 3, so that the eccentric shaft holes 6a, 7a of the bushes 6, 7 cannot rotate relative to the lever shaft 3. The centers of the bushes 6 and 7 are eccentric by a certain dimension with respect to the center of the lever shaft 3, and the operating lever 5 is rotatably supported on the circular outer peripheral surface of the bushes 6 and 7. By rotating the lever shaft 3 relative to the bracket 1, the center of rotation of the operating lever 5 is aligned with the lever shaft 3.
The center of the axis is the center of the displacement.
又前記ブツシユ６，７のうち、一方側ブツシユ
６の一端面と、前記ブラケツト１の一側壁１ａ内
面との間の一方に、半円形を呈する一つの突起１
０を設け、他方に第８図のごとく前記突起１０を
受け入れる複数個の係合部１１…を設けて、前記
突起１０の係合部１１への係合により前記レバー
軸３のブラケツト１に対する回転を阻止するごと
く成すと共に、前記一方側ブツシユ６の一端部外
周に弾性変形可能な複数個の立上片６ｃ…を周方
向に一定間隔を置いて設け、この立上片６ｃ…の
先端を軸方向内方に突出させて該突出部先端を前
記操作レバー５の一側面に接触させ、前記ブツシ
ユ６をレバー軸３とともに回転して前記突起１０
と係合部１１との係合を解除するとき、前記立上
部６ｃを弾性変形させて、前記ブツシユ６を前記
ブラケツト１の一側壁１ａに対し離反方向に弾性
変位させるごとく成するのである。尚前記ブツシ
ユ６に設ける突起１０又は係合部１１は、前記弾
性変形可能な立上片６ｃに設けてもよい。この場
合前記突起１０と係合部１１との係合を解除する
とき、前記立上片６ｃのみをブラケツト１に対し
離反方向に弾性変位させればよい。 Also, one protrusion 1 having a semicircular shape is provided on one side of the bushes 6 and 7 between one end surface of the one side bush 6 and the inner surface of one side wall 1a of the bracket 1.
0, and the other side is provided with a plurality of engaging parts 11 for receiving the projections 10 as shown in FIG. At the same time, a plurality of elastically deformable upright pieces 6c are provided at regular intervals in the circumferential direction on the outer periphery of one end of the one side bushing 6, and the tips of the upright pieces 6c are arranged as a shaft. The tip of the protrusion is brought into contact with one side of the operating lever 5 by protruding inward in the direction, and the bush 6 is rotated together with the lever shaft 3 so that the protrusion 10
When disengaging the engagement portion 11 from the engagement portion 11, the raised portion 6c is elastically deformed so that the bush 6 is elastically displaced in the direction away from the one side wall 1a of the bracket 1. Note that the protrusion 10 or the engaging portion 11 provided on the bush 6 may be provided on the elastically deformable upright piece 6c. In this case, when releasing the engagement between the protrusion 10 and the engaging portion 11, it is sufficient to elastically displace only the upright piece 6c in the direction away from the bracket 1.
又前記他方側ブツシユ７の一端部外周にフラン
ジ７ｃを設けて、このフランジ７ｃと前記立上片
６ｃの突出部とよつて前記操作レバー５の軸方向
におけるガタつきを防ぐべく成すと共に、前記ブ
ツシユ７，６の対向面間の一方には軸方向外方に
突出する第１伝動片７ｄを設け、他方には前記伝
動片７ｄと係合する二つの第２伝動片６ｄ，６ｄ
を相対向状に設けて、前記レバー軸３の回転時、
ブツシユ６，７を一体化して同時に回転させるご
とく成すのである。 A flange 7c is provided on the outer periphery of one end of the other side bushing 7, and the flange 7c and the protrusion of the upright piece 6c prevent the operating lever 5 from wobbling in the axial direction. A first transmission piece 7d that protrudes outward in the axial direction is provided on one side between the opposing surfaces of 7 and 6, and two second transmission pieces 6d, 6d that engage with the transmission piece 7d are provided on the other side.
are provided oppositely to each other, and when the lever shaft 3 is rotated,
This is achieved by integrating the bushes 6 and 7 and rotating them at the same time.
尚第１，２図中、１２は前記操作ワイヤーｗの
一端に設けた係止具である。本考案は以上の如く
構成するもので、通常はブツシユ６とブラケツト
１の一側壁１ａとの間に設けた突起１０と係合部
１１とが係合して、ブツシユ６のブラケツト１に
対する回転が阻止されており、又このブツシユ６
を回転不能に支持するレバー軸３のブラケツト１
に対する回転も阻止されている。 In FIGS. 1 and 2, reference numeral 12 denotes a locking tool provided at one end of the operating wire w. The present invention is constructed as described above, and normally the protrusion 10 provided between the bush 6 and one side wall 1a of the bracket 1 engages with the engaging portion 11 to prevent the bush 6 from rotating relative to the bracket 1. It has been blocked, and this button 6
Bracket 1 of lever shaft 3 that non-rotatably supports
Rotation relative to each other is also prevented.
そして操作レバー５の握り部５ａにおけるハン
ドルバーＢとの間隔、即ちグリツプデイメンジヨ
ンＤを変更する場合は、前記レバー軸３をブラケ
ツト１に対し一定角度回転することにより行なう
のであつて、このレバー軸３の回転により、ブツ
シユ６，７がレバー軸３とともに回転すると共
に、前記突起１０と係合部１１との係合が解除さ
れ、前記ブツシユ６，７に支持した操作レバー５
の回転中心か、レバー軸３の軸心を中心に変位す
ることになり、前記操作レバー５の握り部５ａの
ハンドルバーＢに対する位置が第２図仮想線から
実線のごとく変わり、グリツプデイメンジヨンＤ
を変えることができるのである。このとき前記突
起１０が、一定角度変位した位置の係合部１１に
係合して前記ブツシユ６のブラケツト１に対する
回転を阻止している。従つてレバー軸３が不用意
に回転することはないのであり、前記変更したグ
リツプデイメンジヨンを確実に維持できるのであ
る。尚前記突起１０と係合部１１との係合を解除
するとき、ブツシユ６とブラケツト１との間に離
反方向の力が作用すると、前記ブツシユ６の立上
片６ｃが弾性変形し、ブツシユ６の操作レバー５
支持部分のブラケツト１に対し離反方向に移動さ
せることになる。従つて前記レバー軸３の回転操
作は容易に行なえるものである。 When changing the distance between the grip portion 5a of the operating lever 5 and the handlebar B, that is, the grip dimension D, this is done by rotating the lever shaft 3 by a certain angle with respect to the bracket 1. Due to this rotation of the lever shaft 3, the bushes 6 and 7 rotate together with the lever shaft 3, and the engagement between the protrusion 10 and the engaging portion 11 is released, and the operating lever 5 supported on the bushes 6 and 7
The position of the grip portion 5a of the operating lever 5 relative to the handlebar B changes from the imaginary line in FIG. 2 as shown by the solid line, and the grip date changes. Menjiyon D
can be changed. At this time, the protrusion 10 engages with the engaging portion 11 at a position displaced by a certain angle, thereby preventing rotation of the bush 6 with respect to the bracket 1. Therefore, the lever shaft 3 will not rotate inadvertently, and the changed grip dimension can be reliably maintained. When the engagement between the protrusion 10 and the engaging portion 11 is released, if a force in the direction of separation is applied between the bush 6 and the bracket 1, the upright piece 6c of the bush 6 is elastically deformed, and the bush 6 operating lever 5
The supporting portion is moved in the direction away from the bracket 1. Therefore, the lever shaft 3 can be easily rotated.
以上の如く本考案は、偏心軸孔をもつブツシユ
を用いて、このブツシユを介して操作レバーをレ
バー軸に支持すると共に、前記ブツシユとブラケ
ツトとの一方に突起を設け、他方に前記突起を受
入れる複数個の係合部を設けて、前記突起と係合
部との係合を解除するとき、前記ブツシユをブラ
ケツトに対し離反方向に弾性変位させるようにし
たから、レバー軸を回転して前記突起と係合部と
の係合を解除するだけで、操作レバーの回転中心
を、レバー軸の軸心を中心に変位させることがで
き、従つてグリツプデイメンジヨンの変更を容易
に行なうことができるのである。しかも前記突起
と係合部との係合によつてグリツプデイメンジヨ
ンを確実に維持することができるのである。又従
来の如くナツトを用いないで、レバー軸の端部が
ブラケツトから外方に突出するのを少くでき、従
つてレバー軸が邪魔になることもないのである。 As described above, the present invention uses a bush with an eccentric shaft hole to support the operating lever on the lever shaft, and provides a protrusion on one side of the bush and a bracket, and a plurality of engagement parts for receiving the protrusion on the other side, so that when the engagement between the protrusion and the engagement part is released, the bush is elastically displaced in the direction away from the bracket. Therefore, by simply rotating the lever shaft to release the engagement between the protrusion and the engagement part, the center of rotation of the operating lever can be displaced around the axis of the lever shaft, and therefore the grip dimensions can be easily changed. Moreover, the engagement between the protrusion and the engagement part can reliably maintain the grip dimensions. Also, without using a nut as in the past, the end of the lever shaft can be reduced from protruding outward from the bracket, so that the lever shaft does not get in the way.
図面は本考案の実施例を示すもので、第１図は
一部切欠正面図、第２図はグリツプデイメンジヨ
ンを変更した状態の一部切欠正面図、第３図は第
１図の側面図、第４図はレバー軸部の拡大横断面
図、第５図はレバー軸及び各ブツシユの組立前の
状態を示す拡大斜視図、第６図及び第７図はそれ
ぞれのブツシユの第５図とは反対側からみた拡大
斜視図、第８図はブラケツトの部分拡大斜視図で
ある。
１……ブラケツト、３……レバー軸、５……操
作レバー、６，７……ブツシユ、６ａ，７ａ……
偏心軸孔、１０……突起、１１……係合部。
The drawings show an embodiment of the present invention; FIG. 1 is a partially cutaway front view, FIG. 2 is a partially cutaway front view with the grip dimension changed, and FIG. 3 is a partially cutaway front view of the grip dimension. 4 is an enlarged cross-sectional view of the lever shaft, FIG. 5 is an enlarged perspective view showing the state of the lever shaft and each bushing before assembly, and FIGS. 6 and 7 are an enlarged cross-sectional view of the lever shaft and each bushing. FIG. 5 is an enlarged perspective view of the bracket as seen from the opposite side, and FIG. 8 is a partially enlarged perspective view of the bracket. 1...Bracket, 3...Lever shaft, 5...Operation lever, 6, 7...Button, 6a, 7a...
Eccentric shaft hole, 10... protrusion, 11... engaging portion.
Claims (1)
着し、前記レバーの操作により操作ワイヤーを動
作させて自転車の作動機を作動させるごとくした
自転車用操作レバー装置であつて、前記レバーを
偏心軸孔をもつブツシユを介して前記レバー軸に
回転可能に支持すると共に、前記ブツシユを前記
ブラケツトに対し回転可能として前記ブツシユと
前記ブラケツトとの一方に突起を設け、他方に前
記突起を受入れる複数個の係合部を設ける一方、
前記ブツシユを、前記ブラケツトに対し離反方向
に弾性変位可能にしたことを特徴とする自転車用
操作レバー装置。 An operating lever device for a bicycle, in which an operating lever is pivotally connected to a bracket via a lever shaft, and operation of the lever operates an operating wire to operate an actuator of the bicycle, the lever being connected to an eccentric shaft hole. The lever shaft is rotatably supported on the lever shaft via a bushing, the bushing is rotatable relative to the bracket, and one of the bushing and the bracket is provided with a protrusion, and the other is provided with a plurality of engagements for receiving the protrusion. While establishing a section,
A bicycle operating lever device, wherein the bushing is elastically displaceable in a direction away from the bracket.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10439479U JPS6138878Y2 (en) | 1979-07-27 | 1979-07-27 | |
| US06/162,586 US4348916A (en) | 1979-07-02 | 1980-06-24 | Brake operating device for a bicycle |
| GB8021172A GB2054106B (en) | 1979-07-02 | 1980-06-27 | Brake operating device for a cycle |
| FR8014649A FR2460833B1 (en) | 1979-07-02 | 1980-07-01 | DEVICE FOR OPERATING A BRAKE FOR A BICYCLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10439479U JPS6138878Y2 (en) | 1979-07-27 | 1979-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5621297U JPS5621297U (en) | 1981-02-25 |
| JPS6138878Y2 true JPS6138878Y2 (en) | 1986-11-08 |
Family
ID=29337083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10439479U Expired JPS6138878Y2 (en) | 1979-07-02 | 1979-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6138878Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139388U (en) * | 1982-03-17 | 1983-09-19 | ブリヂストンサイクル株式会社 | Bicycle brake operating device |
| JPS59169291U (en) * | 1983-04-27 | 1984-11-13 | 吉貝機械金属株式会社 | Brake lever device |
| JPH0246472Y2 (en) * | 1985-03-02 | 1990-12-07 |
-
1979
- 1979-07-27 JP JP10439479U patent/JPS6138878Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5621297U (en) | 1981-02-25 |
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