JPS60172032U - wheel cylinder - Google Patents
wheel cylinderInfo
- Publication number
- JPS60172032U JPS60172032U JP1984059749U JP5974984U JPS60172032U JP S60172032 U JPS60172032 U JP S60172032U JP 1984059749 U JP1984059749 U JP 1984059749U JP 5974984 U JP5974984 U JP 5974984U JP S60172032 U JPS60172032 U JP S60172032U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder body
- cylinder
- piston
- fitting hole
- wheel
- 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
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、本考案の実施例であるホイールシリンダをド
ラムブレーキとともに示す正面図(ただし、ブレーキド
ラムは取り除かれた状態そ示しである)、第2図は、第
1図におけるホイールシリンダを拡大して示す一部切欠
正面図である。
20:ピストン、22ニブレーキドラム、26:シリン
ダボデー、48二カツプ(シール部材)、50:バッフ
ァラフフレート(バックアップ部材)。Fig. 1 is a front view showing a wheel cylinder according to an embodiment of the present invention together with a drum brake (however, the brake drum is shown removed), and Fig. 2 is an enlarged view of the wheel cylinder in Fig. 1. FIG. 20: piston, 22 brake drum, 26: cylinder body, 48 two cups (sealing member), 50: buffer rough plate (backup member).
Claims (1)
リンダボデーの嵌合穴に摺動可能に嵌合され、該シリン
ダボデーの内部液圧室の液圧によって該シリンダボテ−
から突出する方向に押し出されるピストンと、該シリン
ダボデーの嵌合穴内において該ピストンとシリンダホゾ
−との間の液密を確保するシール部材とを有するホイー
ルシリンダにおいて、 前記ピストンの前記シール部材に隣接する位置において
、前記シリンダボデーとほぼ同じ熱膨張率を有しかつ該
シリンダボデーの嵌合穴とほぼ同じ外径を有して前記シ
ール部材をバックアップするバツ゛クアツプ部材を配設
したことを特徴とするホイールシリンダ。[Claims for Utility Model Registration] A cylinder body disposed within a brake drum, which is slidably fitted into a fitting hole of the cylinder body, and which is operated by hydraulic pressure in an internal hydraulic chamber of the cylinder body.
A wheel cylinder having a piston that is pushed out in a direction protruding from the cylinder body, and a seal member that secures liquid tightness between the piston and the cylinder tenon within a fitting hole of the cylinder body, the wheel cylinder being adjacent to the seal member of the piston. A wheel characterized in that a backup member is disposed at the position of the sealing member, the backup member having a thermal expansion coefficient substantially the same as that of the cylinder body and having substantially the same outer diameter as the fitting hole of the cylinder body. Cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984059749U JPS60172032U (en) | 1984-04-23 | 1984-04-23 | wheel cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984059749U JPS60172032U (en) | 1984-04-23 | 1984-04-23 | wheel cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60172032U true JPS60172032U (en) | 1985-11-14 |
Family
ID=30586453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984059749U Pending JPS60172032U (en) | 1984-04-23 | 1984-04-23 | wheel cylinder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60172032U (en) |
-
1984
- 1984-04-23 JP JP1984059749U patent/JPS60172032U/en active Pending
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