JPH0455458U - - Google Patents
Info
- Publication number
- JPH0455458U JPH0455458U JP9889090U JP9889090U JPH0455458U JP H0455458 U JPH0455458 U JP H0455458U JP 9889090 U JP9889090 U JP 9889090U JP 9889090 U JP9889090 U JP 9889090U JP H0455458 U JPH0455458 U JP H0455458U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- seal member
- opening
- annular protrusion
- continuous
- 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
- 230000002265 prevention Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
のであり、第１図はシリンダの開口部周辺の縦断
面図、第２図はシールの直径方向の部分断面図、
第３図及び第４図は従来例を示すものであり、第
３図は真空倍力装置に取り付けてたマスタシリン
ダの縦断面図、第４図はシリンダの開口部周辺の
縦断面図である。
Ａ……マスタシリンダ、１……シリンダ、２…
…プライマリピストン、３……油漏出防止カツプ
、３ａ……環状突片（第一環状突片）、４……空
気流入防止カツプ（シール部材）、４ａ……リツ
プ（第二環状突片）、５……Ｏリング、６……リ
ングガイド（軸受）、７……補給室。
1 and 2 show an embodiment of the present invention, in which FIG. 1 is a vertical sectional view around the opening of the cylinder, FIG. 2 is a partial sectional view in the diametrical direction of the seal,
Figures 3 and 4 show conventional examples; Figure 3 is a vertical sectional view of a master cylinder attached to a vacuum booster, and Figure 4 is a vertical sectional view of the area around the opening of the cylinder. . A...Master cylinder, 1...Cylinder, 2...
...Primary piston, 3... Oil leak prevention cup, 3a... Annular protrusion (first annular protrusion), 4... Air inflow prevention cup (sealing member), 4a... Lip (second annular protrusion), 5... O-ring, 6... Ring guide (bearing), 7... Supply room.
Claims (1)
ダの内部に摺動自在に挿入してなるピストンと、
前記開口部において前記ピストンを保持してなる
筒状の軸受と、当該軸受の内周面に取り付けてな
る環状のシール部材とを備え、前記シール部材の
内周部には、前記シリンダ内に形成してなる補給
室側に縁部を向けた、前記内周部の周方向に連続
してなる第一環状突片と、補給室側の反対側に縁
部を向けた、前記内周部の周方向に連続してなる
第二環状突片とを形成してなることを特徴とする
マスタシリンダ。 a cylinder having an opening at one end; a piston slidably inserted into the cylinder;
A cylindrical bearing that holds the piston in the opening, and an annular seal member that is attached to the inner circumferential surface of the bearing, and an annular seal member that is formed in the cylinder on the inner circumference of the seal member. a first annular protrusion that is continuous in the circumferential direction of the inner circumferential portion and has an edge facing the supply chamber side; A master cylinder comprising a second annular protrusion that is continuous in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9889090U JPH0455458U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9889090U JPH0455458U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0455458U true JPH0455458U (en) | 1992-05-12 |
Family
ID=31840405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9889090U Pending JPH0455458U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455458U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642137U (en) * | 1979-09-10 | 1981-04-17 |
-
1990
- 1990-09-20 JP JP9889090U patent/JPH0455458U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642137U (en) * | 1979-09-10 | 1981-04-17 |