JPH02106963U - - Google Patents
Info
- Publication number
- JPH02106963U JPH02106963U JP1501989U JP1501989U JPH02106963U JP H02106963 U JPH02106963 U JP H02106963U JP 1501989 U JP1501989 U JP 1501989U JP 1501989 U JP1501989 U JP 1501989U JP H02106963 U JPH02106963 U JP H02106963U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- pressure chamber
- circumferential surface
- master cylinder
- ring
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
Description
第１図は本考案に係るマスタシリンダの縦断面
図、第２図はそのスリーブの組付け状態を示した
部分拡大断面図、第３図はそのスリーブのＯリン
グ装着用環状溝を示した部分拡大斜視図、第４図
は従来のマスタシリンダを示した縦断面図である
。
２０…マスタシリンダ、２１…シリンダハウジ
ング、２２…ボデイ本体、２２ａ…開口、２２ｂ
…雌ネジ、２２ｅ…シリンダ部、２３…キヤツプ
、２３ａ…雄ネジ、２３ｂ…先端部、２４…Ｏリ
ング、２６…スリーブ、２６ａ…環状溝、２６ｂ
，２６ｃ…フランジ、２７…ピストンガイド、２
７ａ…通路、２８…Ｏリング、３０…ピストン、
３０ａ…通路、３４…圧力室、３６…オイル通路
。
Fig. 1 is a vertical sectional view of the master cylinder according to the present invention, Fig. 2 is a partially enlarged sectional view showing the assembled state of the sleeve, and Fig. 3 is a portion of the sleeve showing the annular groove for mounting the O-ring. The enlarged perspective view and FIG. 4 are longitudinal sectional views showing a conventional master cylinder. 20... Master cylinder, 21... Cylinder housing, 22... Body main body, 22a... Opening, 22b
...Female thread, 22e...Cylinder part, 23...Cap, 23a...Male thread, 23b...Tip part, 24...O ring, 26...Sleeve, 26a...Annular groove, 26b
, 26c...flange, 27...piston guide, 2
7a...Passage, 28...O ring, 30...Piston,
30a...passage, 34...pressure chamber, 36...oil passage.
Claims (1)
ングの圧力室内に合成樹脂製スリーブを嵌着させ
、該スリーブにピストンを摺動自在に挿通させる
とともに、上記スリーブとハウジングとの間にオ
イルリザーバから上記圧力室へのオイル供給通路
を形成し、かつ上記スリーブの先端外周面と上記
圧力室の周面との間にＯリングを介在させて、上
記圧力室と上記オイル供給路との間を遮断したマ
スタシリンダにおいて、上記スリーブの先端外周
面にアンダカツト成形をした環状溝を形成し、該
溝内に上記Ｏリングを収容させたことを特徴とす
るマスタシリンダ。 A synthetic resin sleeve is fitted into the pressure chamber of the cylinder housing that communicates with the wheel cylinder, and the piston is slidably inserted into the sleeve. A master cylinder having an oil supply passage formed therein and having an O-ring interposed between the outer circumferential surface of the tip end of the sleeve and the circumferential surface of the pressure chamber to isolate the pressure chamber from the oil supply passage; A master cylinder characterized in that an annular groove formed by undercut molding is formed on the outer circumferential surface of the tip end of the sleeve, and the O-ring is housed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989015019U JP2517863Y2 (en) | 1989-02-10 | 1989-02-10 | Master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989015019U JP2517863Y2 (en) | 1989-02-10 | 1989-02-10 | Master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106963U true JPH02106963U (en) | 1990-08-24 |
| JP2517863Y2 JP2517863Y2 (en) | 1996-11-20 |
Family
ID=31226710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989015019U Expired - Lifetime JP2517863Y2 (en) | 1989-02-10 | 1989-02-10 | Master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517863Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002310306A (en) * | 2001-04-13 | 2002-10-23 | Hikari Gokin Seisakusho:Kk | Blow-out preventing mechanism for o-ring |
| JP2006264689A (en) * | 2006-05-31 | 2006-10-05 | Hitachi Ltd | Master cylinder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62210160A (en) * | 1986-03-03 | 1987-09-16 | アライド・コ−ポレ−シヨン | Master cylinder |
| JPS6342467U (en) * | 1986-09-03 | 1988-03-19 | ||
| JPS6342468U (en) * | 1986-09-03 | 1988-03-19 |
-
1989
- 1989-02-10 JP JP1989015019U patent/JP2517863Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62210160A (en) * | 1986-03-03 | 1987-09-16 | アライド・コ−ポレ−シヨン | Master cylinder |
| JPS6342467U (en) * | 1986-09-03 | 1988-03-19 | ||
| JPS6342468U (en) * | 1986-09-03 | 1988-03-19 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002310306A (en) * | 2001-04-13 | 2002-10-23 | Hikari Gokin Seisakusho:Kk | Blow-out preventing mechanism for o-ring |
| JP4581138B2 (en) * | 2001-04-13 | 2010-11-17 | 株式会社光合金製作所 | O-ring blowout prevention mechanism |
| JP2006264689A (en) * | 2006-05-31 | 2006-10-05 | Hitachi Ltd | Master cylinder |
| JP4668125B2 (en) * | 2006-05-31 | 2011-04-13 | 日立オートモティブシステムズ株式会社 | Master cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517863Y2 (en) | 1996-11-20 |