JPS60158039U - drum brake device - Google Patents
drum brake deviceInfo
- Publication number
- JPS60158039U JPS60158039U JP4647684U JP4647684U JPS60158039U JP S60158039 U JPS60158039 U JP S60158039U JP 4647684 U JP4647684 U JP 4647684U JP 4647684 U JP4647684 U JP 4647684U JP S60158039 U JPS60158039 U JP S60158039U
- Authority
- JP
- Japan
- Prior art keywords
- boot
- shoe web
- brake device
- contact surface
- drum brake
- 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
図は本考案の一実施例を示すもので、第１図はリーディ
ング・トレーリング型ドラムブレーキ装置の一部省略正
面図、第２図はピストンと防塵ブーツおよび保護カバー
の取付関係を示す分解斜視図、第３図は保護カバーの取
付状態を示す斜視図である。
１はバックプレート、２はブレーキシュー、２ａはブレ
ーキシューの作用端、４はホイールシリンダ体、４ａは
シリンダ、４ｂは液圧室、４ｃは開放部、４ｄは周溝、
５はピストン、５ａは延出部、５ｂはシューウェブ当接
面、５ｃはブーツ保持溝、６はブレーキライニング、７
は防−ブーツ、７ａは外縁部、７ｂは内縁部、８は保護
カバー、８ａは底部、８ｂは弓形の切欠部、８ｃは挟持
部、８ｄはスカート部、１０はリターンスプリングであ
る。The figures show one embodiment of the present invention. Figure 1 is a partially omitted front view of a leading-trailing type drum brake device, and Figure 2 is an exploded perspective view showing the attachment relationship of the piston, dustproof boot, and protective cover. 3 are perspective views showing the state in which the protective cover is attached. 1 is a back plate, 2 is a brake shoe, 2a is an active end of the brake shoe, 4 is a wheel cylinder body, 4a is a cylinder, 4b is a hydraulic chamber, 4c is an open part, 4d is a circumferential groove,
5 is a piston, 5a is an extension part, 5b is a shoe web contact surface, 5c is a boot holding groove, 6 is a brake lining, 7
7a is an outer edge, 7b is an inner edge, 8 is a protective cover, 8a is a bottom, 8b is a bow-shaped notch, 8c is a clamping portion, 8d is a skirt portion, and 10 is a return spring.
Claims (1)
動可能に嵌挿したホイールシリンダの開放端を防塵ブー
ツで被包したドラムブレーキ装置において、前記ピスト
ンは、その外端周囲にブーツ保持部を、外端面にシュー
ウェブ当接面及びその両側に突出するウェブガイド部を
形成し、前記ブーツ保持部に、シリンダ側に一端を係止
した防塵ブーツの他端を保持させてシリンダ開放端を覆
うと共に、該防塵ブーツの外側を覆うカバ一部と前記シ
ューウェブ鳶接面とシューウェブ間に挟まれる挟持部と
前記ウェブガイド部に係合する切欠部とを有するカバ一
部材を、前記挟持部をシューウェブ当接面とシューウェ
ブ間に挟装して設けたことを特徴とするドラムブレーキ
装置。In a drum brake device in which the open end of a wheel cylinder in which a piston for expanding a pair of brake shoes is fluid-tightly and movably fitted is covered with a dustproof boot, the piston has a boot holding portion around its outer end; A shoe web contact surface and a web guide portion protruding on both sides thereof are formed on the outer end surface, and the boot holding portion holds the other end of the dustproof boot with one end locked on the cylinder side to cover the open end of the cylinder. , a cover member having a part of the cover covering the outside of the dust-proof boot, a clamping part sandwiched between the shoe web contact surface and the shoe web, and a notch part engaging with the web guide part; A drum brake device characterized by being sandwiched between a shoe web contact surface and a shoe web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4647684U JPS60158039U (en) | 1984-03-30 | 1984-03-30 | drum brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4647684U JPS60158039U (en) | 1984-03-30 | 1984-03-30 | drum brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60158039U true JPS60158039U (en) | 1985-10-21 |
| JPH0210827Y2 JPH0210827Y2 (en) | 1990-03-16 |
Family
ID=30560903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4647684U Granted JPS60158039U (en) | 1984-03-30 | 1984-03-30 | drum brake device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60158039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119145U (en) * | 1984-07-09 | 1986-02-04 | 豊生ブレ−キ工業株式会社 | Wheel cylinder for drum brake |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5120385U (en) * | 1974-08-01 | 1976-02-14 |
-
1984
- 1984-03-30 JP JP4647684U patent/JPS60158039U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5120385U (en) * | 1974-08-01 | 1976-02-14 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119145U (en) * | 1984-07-09 | 1986-02-04 | 豊生ブレ−キ工業株式会社 | Wheel cylinder for drum brake |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210827Y2 (en) | 1990-03-16 |
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