JPS62112330U - - Google Patents
Info
- Publication number
- JPS62112330U JPS62112330U JP23086U JP23086U JPS62112330U JP S62112330 U JPS62112330 U JP S62112330U JP 23086 U JP23086 U JP 23086U JP 23086 U JP23086 U JP 23086U JP S62112330 U JPS62112330 U JP S62112330U
- Authority
- JP
- Japan
- Prior art keywords
- strut
- brake
- star wheel
- contact
- comes
- 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)
Description
第１図は第３図の要部拡大図である。第２図は
第３図における―視断面の要部を拡大して示
す図である。第３図は本考案が適用されたシユー
間隙自動調節式ドラムブレーキの要部を示す正面
図である。
１０：バツキングプレート、１２，１４：ブレ
ーキシユー、２６：ストラツト装置（ストラツト
）、３２：スターホイール、３８：パーキングレ
バー、４２：調節部材、４４：係合穴（係合部）
、４６：係合突起、５２：平面、５６：凸面。
FIG. 1 is an enlarged view of the main part of FIG. 3. FIG. 2 is an enlarged view of a main part of a cross section taken along the line shown in FIG. 3. FIG. 3 is a front view showing the main parts of the automatic shoe gap adjustment type drum brake to which the present invention is applied. 10: Bucking plate, 12, 14: Brake shoe, 26: Strut device (strut), 32: Star wheel, 38: Parking lever, 42: Adjustment member, 44: Engagement hole (engagement part)
, 46: engaging protrusion, 52: flat surface, 56: convex surface.
Claims (1)
対のブレーキシユーと、スターホイールを有して
該一対のブレーキシユー間に架け渡され、それら
のブレーキシユーを内周側から支持するとともに
該スターホイールの回転に伴つて伸長させられる
ストラツトと、前記一対のブレーキシユーの一方
に回動可能に設けられ、パーキングブレーキ操作
力が加えられるに伴つて前記ストラツトの一端を
その他端へ向かつて押し出すパーキングレバーと
、前記ストラツトの一端において側方へ突き出す
ように設けられた係合突起と、該係合突起と当接
する係合部を有して前記ブレーキシユーの一方に
回動可能に設けられ、前記ストラツトの前記ブレ
ーキシユーの一方に対する移動とともに回動させ
られる調節部材とを備え、パーキングブレーキ操
作時における該調節部材の回動量が予め定められ
た一定の回動量を超えると前記ストラツトを伸長
させる方向に前記スターホイールを所定量回転さ
せる形式のシユー間隙自動調節式ドラムブレーキ
において、 前記ストラツトに設けられた係合突起の前記係
合部と当接する部分に平面を形成するとともに、
該係合部の該係合突起と当接する部分に該平面と
点接触する凸面を設けたことを特徴とするシユー
間隙自動調節式ドラムブレーキ。[Claims for Utility Model Registration] A pair of brake shoes that are expandably provided on a bucking plate, and a star wheel that spans between the pair of brake shoes, A strut is supported from the inner circumferential side and is extended as the star wheel rotates, and a strut is rotatably provided on one of the pair of brake shoes, and as a parking brake operating force is applied, the strut expands as the star wheel rotates. The brake shoe has a parking lever that pushes one end toward the other end, an engagement protrusion provided at one end of the strut so as to protrude laterally, and an engagement part that comes into contact with the engagement protrusion. an adjustment member rotatably provided on one side and rotated as the strut moves relative to one of the brake shoes, the adjustment member being rotated a predetermined amount of times when the parking brake is operated. In this type of automatic shoe gap adjustment type drum brake, the star wheel is rotated by a predetermined amount in a direction to extend the strut when the strut exceeds the amount of movement, and a portion of the engaging protrusion provided on the strut that comes into contact with the engaging portion has a flat surface. In addition to forming
An automatic shoe gap adjustment type drum brake, characterized in that a convex surface that makes point contact with the flat surface is provided on a portion of the engaging portion that comes into contact with the engaging protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23086U JPH0210836Y2 (en) | 1986-01-06 | 1986-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23086U JPH0210836Y2 (en) | 1986-01-06 | 1986-01-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62112330U true JPS62112330U (en) | 1987-07-17 |
| JPH0210836Y2 JPH0210836Y2 (en) | 1990-03-16 |
Family
ID=30777012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23086U Expired JPH0210836Y2 (en) | 1986-01-06 | 1986-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0210836Y2 (en) |
-
1986
- 1986-01-06 JP JP23086U patent/JPH0210836Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210836Y2 (en) | 1990-03-16 |
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