JPS61183765U - - Google Patents
Info
- Publication number
- JPS61183765U JPS61183765U JP1985069025U JP6902585U JPS61183765U JP S61183765 U JPS61183765 U JP S61183765U JP 1985069025 U JP1985069025 U JP 1985069025U JP 6902585 U JP6902585 U JP 6902585U JP S61183765 U JPS61183765 U JP S61183765U
- Authority
- JP
- Japan
- Prior art keywords
- cup seal
- seal
- spring seat
- master cylinder
- piston
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例をプライマリピスト
ンのカツプシール装着部分について取り出して示
した断面図、第２図はピストン戻り時の作用を示
した断面図、第３図は従来例を示した断面図、第
４図は第３図のカツプシール装着部分を取り出し
て示した断面図である。
２：シリンダ室、３：プライマリピストン、７
：カツプシール、７ａ：外周シール部、９：スプ
リングシート、１１：連通穴（リターンポート）
、１３：押え部、１５：突当て干渉部。
Fig. 1 is a cross-sectional view showing an embodiment of the present invention with respect to the primary piston's cup seal attached portion, Fig. 2 is a cross-sectional view showing the action when the piston returns, and Fig. 3 is a cross-sectional view of a conventional example. 4 are sectional views taken out of the cap seal mounting portion of FIG. 3. 2: Cylinder chamber, 3: Primary piston, 7
: Cup seal, 7a: Outer seal, 9: Spring seat, 11: Communication hole (return port)
, 13: Pressing part, 15: Abutting interference part.
Claims (1)
ルをピストン前進側に装着すると共に、該カツプ
シールをスプリングシートの装着で位置規制して
成るマスタシリンダに於いて、 前記カツプシールのスプリングシート側端面に
、ピストン戻り時等のカツプシールの倒れ量を規
制するシール外周部より小径で略円筒状の突当て
干渉部を延在したことを特徴とするマスタシリン
ダ。[Scope of Claim for Utility Model Registration] In a master cylinder, a cup seal for sealing a gap with the inner wall of the cylinder is installed on the forward side of the piston, and the position of the cup seal is regulated by installing a spring seat, the spring seat of the cup seal. A master cylinder characterized in that a substantially cylindrical abutting interference part having a smaller diameter than the seal outer circumferential part extends on a side end surface to restrict the amount of fall of the cup seal when the piston returns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985069025U JPS61183765U (en) | 1985-05-10 | 1985-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985069025U JPS61183765U (en) | 1985-05-10 | 1985-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61183765U true JPS61183765U (en) | 1986-11-15 |
Family
ID=30604313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985069025U Pending JPS61183765U (en) | 1985-05-10 | 1985-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61183765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282641A (en) * | 2004-03-29 | 2005-10-13 | Nok Corp | Sealing device |
-
1985
- 1985-05-10 JP JP1985069025U patent/JPS61183765U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282641A (en) * | 2004-03-29 | 2005-10-13 | Nok Corp | Sealing device |