JPH03118865U - - Google Patents
Info
- Publication number
- JPH03118865U JPH03118865U JP2664890U JP2664890U JPH03118865U JP H03118865 U JPH03118865 U JP H03118865U JP 2664890 U JP2664890 U JP 2664890U JP 2664890 U JP2664890 U JP 2664890U JP H03118865 U JPH03118865 U JP H03118865U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- piston
- diameter portion
- small
- large diameter
- 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
- 239000007788 liquid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
Description
図は本考案に従つたマスタシリンダの一実施例
を示す断面図である。
１０……マスタシリンダ、１１……シリンダボ
デイ、１１ａ……段付内孔、１１ｂ……小径孔、
１１ｃ……大径孔、１１ｄ……段部、１２……プ
ライマリピストン、１２ａ……大径部、１２ｂ…
…小径部、１６……プライマリカツプ、１７……
カツプシール、１９……ガイド部材、１９ａ……
フランジ部、１９ｂ……筒部、１９ｃ……ストツ
パ部、Ｒ１……プライマリ補給室、Ｒ２……プラ
イマリ圧力室。
The figure is a sectional view showing an embodiment of a master cylinder according to the present invention. 10...Master cylinder, 11...Cylinder body, 11a...Stepped inner hole, 11b...Small diameter hole,
11c...Large diameter hole, 11d...Step part, 12...Primary piston, 12a...Large diameter part, 12b...
...Small diameter section, 16...Primary cup, 17...
Cup seal, 19... Guide member, 19a...
Flange portion, 19b...Cylinder portion, 19c...Stopper portion, R1...Primary supply chamber, R2...Primary pressure chamber.
Claims (1)
ボデイと、前記段付内孔の小径孔に液密的に軸方
向に摺動可能に嵌挿される大径部と前記大径孔を
貫通して前記段付内孔外に延在する小径部とを有
したピストンと、該ピストンの小径部と前記大径
孔との間に配設されその外周リツプ部にて前記大
径孔に液密的に当接し且つその内周リツプ部にて
前記小径部に液密的に摺接する環状のカツプシー
ルとを備え、前記ピストンの大径部の一側に液圧
管路に常時連通する圧力室が、前記ピストンの大
径部の他側と前記カツプシールとの間にリザーバ
に補給孔を介して常時連通する補給室が夫々形成
されてなるマスタシリンダにおいて、前記ピスト
ンの小径部を軸方向に摺動自在に支承する内孔を
有すると共に前記カツプシールの背面を係止する
フランジ部と、前記シリンダボデイの大径孔内に
圧入嵌合される筒部と、前記シリンダボデイの後
端開口端面に当接するストツパ部とを有したガイ
ド部材を設けたことを特徴とするマスタシリンダ
。 A cylinder body having a stepped inner hole with a large diameter on the rear end opening side, a large diameter portion that is slidably inserted in the small diameter hole of the stepped inner hole in a fluid-tight manner in the axial direction, and a large diameter portion that penetrates the large diameter hole. a piston having a small-diameter portion extending outside the stepped inner hole; and a piston disposed between the small-diameter portion of the piston and the large-diameter hole, and a liquid flowing into the large-diameter hole at an outer peripheral lip portion of the piston. an annular cup seal that is in close contact with the small diameter portion at its inner circumferential lip portion and slidably contacts the small diameter portion in a fluid-tight manner; , in a master cylinder in which a replenishment chamber is formed between the other side of the large diameter portion of the piston and the cup seal and is in constant communication with a reservoir via a replenishment hole, the small diameter portion of the piston is slid in the axial direction; a flange portion having a freely supported inner hole and locking the back surface of the cup seal; a cylindrical portion press-fitted into the large diameter hole of the cylinder body; and a cylindrical portion that abuts the rear open end surface of the cylinder body 1. A master cylinder comprising a guide member having a stopper portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2664890U JPH03118865U (en) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2664890U JPH03118865U (en) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118865U true JPH03118865U (en) | 1991-12-09 |
Family
ID=31529531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2664890U Pending JPH03118865U (en) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118865U (en) |
-
1990
- 1990-03-15 JP JP2664890U patent/JPH03118865U/ja active Pending