JPH01133534U - - Google Patents
Info
- Publication number
- JPH01133534U JPH01133534U JP2974588U JP2974588U JPH01133534U JP H01133534 U JPH01133534 U JP H01133534U JP 2974588 U JP2974588 U JP 2974588U JP 2974588 U JP2974588 U JP 2974588U JP H01133534 U JPH01133534 U JP H01133534U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder hole
- pressure chamber
- comes
- cylinder
- 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
- 239000003566 sealing material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Description
第１図は本考案の実施例を示す平面図、第２図
は上記実施例の断面図、第３図は上記実施例にお
けるピストンの端面図、第４図は上記実施例にお
けるピストンの一部破断側面図、第５図は上記実
施例におけるシール材の断面図、第６図は第１図
におけるＸ部の拡大図、第７図、第８図ａ，ｂは
上記実施例におけるピストンの製造方法を説明す
るための図である。
１……シリンダ本体、４……シリンダ孔、６，
７……ピストン、１２……環状突部、１２Ａ……
摺動面となる外周面、１３……圧力室、１４，１
５……シール材、１６……コイルばね。
Fig. 1 is a plan view showing an embodiment of the present invention, Fig. 2 is a sectional view of the above embodiment, Fig. 3 is an end view of the piston in the above embodiment, and Fig. 4 is a part of the piston in the above embodiment. A broken side view, FIG. 5 is a cross-sectional view of the sealing material in the above embodiment, FIG. 6 is an enlarged view of the X part in FIG. 1, and FIGS. 7 and 8 a and b show the manufacture of the piston in the above embodiment. FIG. 3 is a diagram for explaining the method. 1...Cylinder body, 4...Cylinder hole, 6,
7... Piston, 12... Annular protrusion, 12A...
Outer peripheral surface serving as a sliding surface, 13...Pressure chamber, 14,1
5...Sealing material, 16...Coil spring.
Claims (1)
シリンダ本体と、シリンダ孔に摺動自在に挿入さ
れ圧力室を区画するピストンと、該ピストンの圧
力室側端面に配置されシリンダ孔内周面に弾接す
るリツプ部を有する皿型シール材と、該シール材
に当接してピストンをブレーキシユーに当接する
方向に付勢するコイルばねとを有するホイールシ
リンダにおいて、前記ピストンの圧力室側端部外
周に圧力室側に延び外周に摺動面を有する環状突
部を形成したホイールシリンダ。 A cylinder body having a cylinder hole with at least one end open, a piston that is slidably inserted into the cylinder hole and defines a pressure chamber, and a lip portion that is arranged on the pressure chamber side end surface of the piston and comes into elastic contact with the inner circumferential surface of the cylinder hole. and a coil spring that comes into contact with the sealing material and biases the piston in the direction of contacting the brake shoe. A wheel cylinder formed with an annular protrusion extending from the outside and having a sliding surface on the outer periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2974588U JPH01133534U (en) | 1988-03-08 | 1988-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2974588U JPH01133534U (en) | 1988-03-08 | 1988-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133534U true JPH01133534U (en) | 1989-09-12 |
Family
ID=31254217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2974588U Pending JPH01133534U (en) | 1988-03-08 | 1988-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133534U (en) |
-
1988
- 1988-03-08 JP JP2974588U patent/JPH01133534U/ja active Pending