JPH0420871U - - Google Patents
Info
- Publication number
- JPH0420871U JPH0420871U JP6177790U JP6177790U JPH0420871U JP H0420871 U JPH0420871 U JP H0420871U JP 6177790 U JP6177790 U JP 6177790U JP 6177790 U JP6177790 U JP 6177790U JP H0420871 U JPH0420871 U JP H0420871U
- Authority
- JP
- Japan
- Prior art keywords
- shell
- cylindrical portion
- reinforcing plate
- inner diameter
- mounting surface
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図および第３図は本実施例を用いて実験を行つた
際の実験の結果を示す図である。
１……フロントシエル、１ｊ……大径部（筒状
部）、１ｋ……段部端面（取付面）、３７……第
１補強板、３７ｃ……外周筒状部、ｄ１……外周
筒状部３７ｃの外径、ｄ２……大径部１ｊの内径
。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3 and 3 are diagrams showing the results of experiments conducted using this example. 1...Front shell, 1j...Large diameter part (cylindrical part), 1k...Stepped end face (mounting surface), 37...First reinforcing plate, 37c...Outer cylindrical part, d1...Outer cylinder The outer diameter of the shaped portion 37c, d2...the inner diameter of the large diameter portion 1j.
Claims (1)
取付面を形成したシエルと、そのシエルの内面に
添設した補強板とを備えたブレーキ倍力装置にお
いて、 上記シエルのフロント側の壁面にリヤ側に向け
て膨出する凹部を形成して、該凹部の端面を上記
取付面として構成するとともに、上記補強板を、
上記シエルの取付面の内面に重合される端面とそ
の端面の外周縁をリヤ側に伸長させて形成した外
周筒状部とから構成し、 さらに上記補強板の外周筒状部の外径を、該補
強板の外周筒状部の外径とシエルの凹部によつて
形成される筒状部の内径とを同一としたときに得
られるシエルの筒状部分の内部応力よりも小さく
なる範囲で、上記シエルの凹部によつて形成され
る筒状部の内径よりも小さく設定したことを特徴
とするブレーキ倍力装置。[Scope of Claim for Utility Model Registration] A brake booster comprising a shell having a mounting surface for connecting a master cylinder on the front wall, and a reinforcing plate attached to the inner surface of the shell, A recessed portion bulging toward the rear side is formed on the side wall surface, and the end face of the recessed portion is configured as the mounting surface, and the reinforcing plate is
It is composed of an end surface that overlaps the inner surface of the mounting surface of the shell, and an outer cylindrical portion formed by extending the outer periphery of the end surface toward the rear side, and further has an outer diameter of the outer cylindrical portion of the reinforcing plate, within a range that is smaller than the internal stress of the cylindrical portion of the shell obtained when the outer diameter of the outer circumferential cylindrical portion of the reinforcing plate and the inner diameter of the cylindrical portion formed by the recess of the shell are the same, A brake booster characterized in that the inner diameter of the cylindrical portion formed by the concave portion of the shell is set smaller than the inner diameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061777U JPH077241Y2 (en) | 1990-06-12 | 1990-06-12 | Brake booster |
| US07/696,504 US5158006A (en) | 1990-06-05 | 1991-05-07 | Brake booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061777U JPH077241Y2 (en) | 1990-06-12 | 1990-06-12 | Brake booster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0420871U true JPH0420871U (en) | 1992-02-21 |
| JPH077241Y2 JPH077241Y2 (en) | 1995-02-22 |
Family
ID=31590329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990061777U Expired - Lifetime JPH077241Y2 (en) | 1990-06-05 | 1990-06-12 | Brake booster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077241Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56175265U (en) * | 1974-09-03 | 1981-12-24 | ||
| JPS60157361U (en) * | 1984-03-23 | 1985-10-19 | アイシン精機株式会社 | Tandem booster |
| JPH0173073U (en) * | 1988-04-28 | 1989-05-17 |
-
1990
- 1990-06-12 JP JP1990061777U patent/JPH077241Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56175265U (en) * | 1974-09-03 | 1981-12-24 | ||
| JPS60157361U (en) * | 1984-03-23 | 1985-10-19 | アイシン精機株式会社 | Tandem booster |
| JPH0173073U (en) * | 1988-04-28 | 1989-05-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH077241Y2 (en) | 1995-02-22 |
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