JPS5872538U - Shureturn device in drum brakes - Google Patents
Shureturn device in drum brakesInfo
- Publication number
- JPS5872538U JPS5872538U JP16792481U JP16792481U JPS5872538U JP S5872538 U JPS5872538 U JP S5872538U JP 16792481 U JP16792481 U JP 16792481U JP 16792481 U JP16792481 U JP 16792481U JP S5872538 U JPS5872538 U JP S5872538U
- Authority
- JP
- Japan
- Prior art keywords
- web
- groove
- shoe return
- engagement
- shoe
- 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
- Braking Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を含むドラムブレーキの正面図
、第２図は第１図におけるＵスプリングとシューウェブ
との係合状態を示す側面図、第３図は第２図におけるし
スプリングの係合溝を示す要部断面図、第４図は第３図
に示す係合溝を他の態様で形成した例を示す要部断面図
、第５図は第４図に示す係合溝と係合切欠との係合状態
を示す斜視図、第６図は同じく保合溝と係合切欠とを他
の態様で係合させた例を示す斜視図、第７図は保合溝と
係合切欠とを更に他の態様で係合させた例を示す要部断
面図、第８図は従来の係合溝と係合切欠との係合状態を
示す断面図である。
１０ニブレーキドラム、１４．１６：ブレーキシュー、
２２．ゼ４，６８：シューウエブ、４６：Ｕ字状シュー
リターンスプリング、５０． ５２゜７０、７２． ７
Ｂ：係合切欠、５４． ５６． ６４゜７６、 ８４：
脚部、５Ｂ、 ６６、 ７４． ８５：係合溝、６０
． ６２． ８０． ８２：傾斜面。Fig. 1 is a front view of a drum brake including an embodiment of the present invention, Fig. 2 is a side view showing the state of engagement between the U spring and the shoe web in Fig. 1, and Fig. 3 is a side view of the U spring in Fig. 2. FIG. 4 is a cross-sectional view of the main part showing an example of the engagement groove shown in FIG. 3 formed in another manner, and FIG. 5 is a cross-sectional view of the main part showing the engagement groove shown in FIG. FIG. 6 is a perspective view showing an example in which the retaining groove and the engaging notch are engaged in another manner, and FIG. 7 is a perspective view showing the engagement state between the retaining groove and the engaging notch. FIG. 8 is a sectional view of a main part showing an example in which the engagement groove and the engagement notch are engaged in another manner, and FIG. 8 is a sectional view showing the engagement state between the conventional engagement groove and the engagement notch. 10 Ni brake drum, 14.16: Brake shoe,
22. Z4, 68: Shoe web, 46: U-shaped shoe return spring, 50. 52°70, 72. 7
B: Engagement notch, 54. 56. 64°76, 84:
Legs, 5B, 66, 74. 85: Engagement groove, 60
．． 62. 80. 82: Inclined surface.
Claims (2)
、該Ｕ字の先端部を該Ｕ字を含む平面にほぼ直角に曲げ
て一対の脚部を形成し、かつ該脚部に該脚部の軸線に直
角な方向の係合溝を形成して成るシューリターンスプリ
ングを、ドラムブレーキの一対のブレーキシューの各ウ
ェブに形成した係合切欠に前記係合溝を係合させること
によって取付け、該一対のブレーキシューをドラム内面
から離れる方向に付勢するシューリターン装置において
、 前記係合溝と前記係合切欠の少なくとも一方を、前記シ
ューリターンスプリングの付勢力の作用線の両側におい
てそれぞれ該作用線に対して鋭角をなす２つの傾斜面で
相手の係合溝又は係合切欠に係合する形状とし、それに
よって前記シューリターンスプリングの各脚部と前記ブ
レーキシューの各ウェブとが少なくとも一定距離隔たっ
た２点で互に係合するようにしたことを特徴とするドラ
ムブレーキにおけるシューリターン装置。(1) A single spring wire is bent into a U-shape, and the tip of the U-shape is bent at approximately right angles to a plane containing the U-shape to form a pair of legs, and A shoe return spring formed with an engagement groove formed in a direction perpendicular to the axis of the leg is attached by engaging the engagement groove with an engagement notch formed in each web of a pair of brake shoes of a drum brake. , in a shoe return device that urges the pair of brake shoes in a direction away from the inner surface of the drum, at least one of the engagement groove and the engagement notch is positioned on both sides of a line of action of the biasing force of the shoe return spring, respectively. The two inclined surfaces forming an acute angle with respect to the line of action are shaped to engage with the mating engagement groove or engagement notch, so that each leg of the shoe return spring and each web of the brake shoe are at least constant. A shoe return device for a drum brake, characterized in that the shoe return device engages with each other at two points separated by a distance.
広くなる形状の溝であって、該係合溝の傾斜した両側壁
面が前記傾斜面として前記係合切欠のウェブ表側の縁と
ウェブ裏側の縁とにそれぞれ係合させられたものであり
、前記脚部が自身の軸線方向に隔たった少なくとも２点
で前記ウェブに係合させられたものである実用新案登録
請求の範囲第１項記載のシューリターン装置。(2) The engaging groove is a groove in which the width becomes wider from the bottom of the groove toward the opening side, and the inclined both side wall surfaces of the engaging groove serve as the inclined surfaces on the web front side of the engaging notch. and the edge of the back side of the web, respectively, and the legs are engaged with the web at at least two points spaced apart in the axial direction of the web. The shoe return device according to scope 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16792481U JPS5872538U (en) | 1981-11-11 | 1981-11-11 | Shureturn device in drum brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16792481U JPS5872538U (en) | 1981-11-11 | 1981-11-11 | Shureturn device in drum brakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5872538U true JPS5872538U (en) | 1983-05-17 |
| JPS6221133Y2 JPS6221133Y2 (en) | 1987-05-29 |
Family
ID=29959978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16792481U Granted JPS5872538U (en) | 1981-11-11 | 1981-11-11 | Shureturn device in drum brakes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049881A (en) * | 2001-08-02 | 2003-02-21 | Hosei Brake Ind Ltd | Dual mode drum brake |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545171A (en) * | 1977-06-13 | 1979-01-16 | Toyota Motor Corp | Drum break for automobile |
-
1981
- 1981-11-11 JP JP16792481U patent/JPS5872538U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545171A (en) * | 1977-06-13 | 1979-01-16 | Toyota Motor Corp | Drum break for automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049881A (en) * | 2001-08-02 | 2003-02-21 | Hosei Brake Ind Ltd | Dual mode drum brake |
| JP4486283B2 (en) * | 2001-08-02 | 2010-06-23 | 豊生ブレーキ工業株式会社 | Dual mode drum brake |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6221133Y2 (en) | 1987-05-29 |
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