JPH0443561U - - Google Patents
Info
- Publication number
- JPH0443561U JPH0443561U JP7018590U JP7018590U JPH0443561U JP H0443561 U JPH0443561 U JP H0443561U JP 7018590 U JP7018590 U JP 7018590U JP 7018590 U JP7018590 U JP 7018590U JP H0443561 U JPH0443561 U JP H0443561U
- Authority
- JP
- Japan
- Prior art keywords
- outer periphery
- inner periphery
- comes
- annular member
- sealing device
- 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
- Braking Systems And Boosters (AREA)
Description
第１図は本考案の実施例によるシール装置が備
えられた負圧式倍力装置の側断面図、第２図は第
１図に示したシール装置を拡大して示す側断面図
、第３Ａ図及び第３Ｂ図は第１図のシール装置に
装着したコイルスプリングの正面図及びその側面
図である。
なお、図において、５……リアシエル、５ａ…
…筒状部、５ｂ……鍔部、２０……ハブ部、２１
……シール部、２１ａ……外周部、２１ｂ……内
周部、２３……バツクアツパ、７１……コイルス
プリング。
Fig. 1 is a side sectional view of a negative pressure booster equipped with a sealing device according to an embodiment of the present invention, Fig. 2 is a side sectional view showing an enlarged view of the sealing device shown in Fig. 1, and Fig. 3A. and FIG. 3B are a front view and a side view of the coil spring attached to the sealing device of FIG. 1. In addition, in the figure, 5... rear shell, 5a...
...Cylindrical part, 5b... Flange part, 20... Hub part, 21
...Seal portion, 21a...Outer circumference, 21b...Inner circumference, 23...Backup, 71...Coil spring.
Claims (1)
した筒状部と、前記鍔部の内周側に移動可能に嵌
合されるハブ部との間に配置され、前記筒状部に
抜止め支持されて挿入されるバツクアツパと、該
バツクアツパと前記鍔部との間に配置され前記筒
状部の内周に密に当接する外周部及び前記ハブ部
の外周に密に当接する内周部とを有するシール材
と、該シール材の外周部を前記筒状部の内周に弾
接させる環状部材とを有する負圧式倍力装置のシ
ール装置において、前記環状部材をコイルスプリ
ングにした負圧式倍力装置のシール装置。 It is arranged between a cylindrical part formed in the rear shell and having an inward flange at its end, and a hub part that is movably fitted to the inner circumferential side of the flange. a back-up part that is supported and inserted; an outer periphery part that is disposed between the back-up part and the collar part and that comes into close contact with the inner periphery of the cylindrical part; and an inner periphery part that comes into close contact with the outer periphery of the hub part. and an annular member that makes elastic contact between the outer periphery of the sealing material and the inner periphery of the cylindrical part, the sealing device for a negative pressure booster having a coil spring as the annular member. Power device sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7018590U JPH0443561U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7018590U JPH0443561U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443561U true JPH0443561U (en) | 1992-04-14 |
Family
ID=31606134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7018590U Pending JPH0443561U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443561U (en) |
-
1990
- 1990-06-29 JP JP7018590U patent/JPH0443561U/ja active Pending