JPH0439961U - - Google Patents

Info

Publication number
JPH0439961U
JPH0439961U JP8264190U JP8264190U JPH0439961U JP H0439961 U JPH0439961 U JP H0439961U JP 8264190 U JP8264190 U JP 8264190U JP 8264190 U JP8264190 U JP 8264190U JP H0439961 U JPH0439961 U JP H0439961U
Authority
JP
Japan
Prior art keywords
outer circumferential
shell
brake booster
peripheral part
outer peripheral
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
Application number
JP8264190U
Other languages
Japanese (ja)
Other versions
JP2501608Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990082641U priority Critical patent/JP2501608Y2/en
Publication of JPH0439961U publication Critical patent/JPH0439961U/ja
Application granted granted Critical
Publication of JP2501608Y2 publication Critical patent/JP2501608Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Braking Systems And Boosters (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２
図は第１図の要部の拡大図、第３図は第２図の
に沿う矢視図である。。 １……フロントシエル、１ａ……挟持部、４…
…センターシエル、４ａ……挟持部、９……フロ
ントダイアフラム、９Ａ……外周ビード部、９Ｂ
……連通路、Ａ……定圧室、Ｂ……変圧室。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an enlarged view of the main part of FIG. 1, and FIG. 3 is a view along the arrows in FIG. 2. . 1... Front shell, 1a... Clamping part, 4...
... Center shell, 4a... Holding part, 9... Front diaphragm, 9A... Outer bead part, 9B
...Communication path, A...constant pressure chamber, B...variable pressure room.

Claims (1)

【実用新案登録請求の範囲】 第１シエルの外周部と第２シエルの外周部との
それぞれに、円周方向に連続して互いに軸方向に
対向する挟持部を形成し、両挟持部間にダイアフ
ラムの外周ビード部を気密を保持して挟持したブ
レーキ倍力装置において、 上記外周ビード部の外周面に、上記両挟持部に
よる挟持部分より外側で、突起又は溝によつて形
成される連通路を設けたことを特徴とするブレー
キ倍力装置。[Claims for Utility Model Registration] A clamping part that is continuous in the circumferential direction and faces each other in the axial direction is formed on each of the outer peripheral part of the first shell and the outer peripheral part of the second shell, and between the two clamping parts In a brake booster in which an outer circumferential bead portion of a diaphragm is airtightly held, a communication path is formed by a protrusion or a groove on the outer circumferential surface of the outer circumferential bead portion, outside the portion held by both the holding portions. A brake booster characterized by being provided with.
JP1990082641U 1990-08-03 1990-08-03 Brake booster Expired - Lifetime JP2501608Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990082641U JP2501608Y2 (en) 1990-08-03 1990-08-03 Brake booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990082641U JP2501608Y2 (en) 1990-08-03 1990-08-03 Brake booster

Publications (2)

Publication Number Publication Date
JPH0439961U true JPH0439961U (en) 1992-04-06
JP2501608Y2 JP2501608Y2 (en) 1996-06-19

Family

ID=31629639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990082641U Expired - Lifetime JP2501608Y2 (en) 1990-08-03 1990-08-03 Brake booster

Country Status (1)

Country Link
JP (1) JP2501608Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491964A (en) * 1972-03-15 1974-01-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491964A (en) * 1972-03-15 1974-01-09

Also Published As

Publication number Publication date
JP2501608Y2 (en) 1996-06-19

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