JPS6443239U - - Google Patents
Info
- Publication number
- JPS6443239U JPS6443239U JP13975187U JP13975187U JPS6443239U JP S6443239 U JPS6443239 U JP S6443239U JP 13975187 U JP13975187 U JP 13975187U JP 13975187 U JP13975187 U JP 13975187U JP S6443239 U JPS6443239 U JP S6443239U
- Authority
- JP
- Japan
- Prior art keywords
- mounting part
- wheel cylinder
- piston
- fitted
- attached
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Sealing Devices (AREA)
- Braking Arrangements (AREA)
Description
第１図は第２図におけるＡ部を拡大して示す断
面図である。第２図は本考案が適用されたダスト
ブーツを有するホイールシリンダを備えたドラム
ブレーキの要部を示す正面図である。
２２：ホイールシリンダ、３２，３３：ピスト
ン部材（ピストン）、４８，５０：ダストブーツ
、５２：第一取付部、５４：第二取付部、６０：
金属製リング。
FIG. 1 is an enlarged sectional view of section A in FIG. 2. FIG. FIG. 2 is a front view showing the main parts of a drum brake equipped with a wheel cylinder having a dust boot to which the present invention is applied. 22: Wheel cylinder, 32, 33: Piston member (piston), 48, 50: Dust boot, 52: First mounting part, 54: Second mounting part, 60:
metal ring.
Claims (1)
、該第一取付部がドラムブレーキ用ホイールシリ
ンダの外周面に、該第二取付部が該ホイールシリ
ンダ内に突出し可能に嵌合されたピストンの外周
面に形成された環状溝にそれぞれ所定の締付力を
有して嵌着されたダストブーツにおいて、 前記第二取付部に、前記ダストブーツの内側が
負圧状態とされたときに該第二取付部が外周方向
へ拡げられるのを阻止する金属製リングを設けた
ことを特徴とするドラムブレーキ用ホイールシリ
ンダのダストブーツ。[Claims for Utility Model Registration] It has a first mounting part and a second mounting part that are annular, the first mounting part being attached to the outer peripheral surface of a wheel cylinder for a drum brake, and the second mounting part being attached to the inside of the wheel cylinder. The dust boot is fitted with a predetermined tightening force into an annular groove formed on the outer circumferential surface of a piston that is fitted so as to protrude from the piston. A dust boot for a wheel cylinder for a drum brake, characterized in that a metal ring is provided to prevent the second mounting portion from expanding in the outer circumferential direction when a negative pressure is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13975187U JPS6443239U (en) | 1987-09-11 | 1987-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13975187U JPS6443239U (en) | 1987-09-11 | 1987-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6443239U true JPS6443239U (en) | 1989-03-15 |
Family
ID=31403302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13975187U Pending JPS6443239U (en) | 1987-09-11 | 1987-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443239U (en) |
-
1987
- 1987-09-11 JP JP13975187U patent/JPS6443239U/ja active Pending