JPH0456566U - - Google Patents

Info

Publication number
JPH0456566U
JPH0456566U JP1990110367U JP11036790U JPH0456566U JP H0456566 U JPH0456566 U JP H0456566U JP 1990110367 U JP1990110367 U JP 1990110367U JP 11036790 U JP11036790 U JP 11036790U JP H0456566 U JPH0456566 U JP H0456566U
Authority
JP
Japan
Prior art keywords
inner peripheral
peripheral bead
diaphragm
booster
negative pressure
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
JP1990110367U
Other languages
English (en)
Other versions
JPH0611841Y2 (ja
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 JP1990110367U priority Critical patent/JPH0611841Y2/ja
Priority to US07/696,795 priority patent/US5178055A/en
Priority to GB9112469A priority patent/GB2246180B/en
Publication of JPH0456566U publication Critical patent/JPH0456566U/ja
Application granted granted Critical
Publication of JPH0611841Y2 publication Critical patent/JPH0611841Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46—Vacuum systems
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/569—Vacuum systems indirect, i.e. vacuum booster units characterised by piston details, e.g. construction, mounting of diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Description

【図面の簡単な説明】
第１図ないし第３図は本考案の第１実施例を示
すものであり、第１図は負圧ブースタの縦断側面
図、第２図は第１図の要部拡大図、第３図は第２
図の−線断面図、第４図は本考案の第２実施
例の第２図に対応した断面図、第５図ないし第８
図は本考案の第３実施例を示すものであり、第５
図は第２図に対応した断面図であつて第６図の
−線断面図、第６図は第５図の−線断面図
、第８図は第６図の−線断面図である。 １……ブースタシエル、２……ブースタピスト
ン、３……ダイヤフラム、３ａ……外周ビード、
３ｂ……内周ビード、５……ピストンボス、１６
……段部、１７，１７′，４８……ストツパ、１
７′ａ……基板部、１７ｂ，１７′ｂ，４８ｂ…
…係止部、１７′ｃ……爪部、１７′ｄ……平坦
部、１８′ｃ……スリツト、２２……入力杆、２
４……制御弁、Ａ……負圧室、Ｂ……作動室。

Claims (1)

  1. 【実用新案登録請求の範囲】 負圧源に通じる負圧室Ａに前面を臨ませたブ
    ースタピストン２がブースタシエル１内に前後往
    復動自在に収容され、入力杆２２に連なる制御弁
    ２４を介して前記負圧室Ａまたは大気に選択的に
    連通される作動室Ｂに後面を臨ませたダイヤフラ
    ム３が前記ブースタピストン２の後面に重合され
    、該ダイヤフラム３の外周ビード３ａはブースタ
    シエル１に結着され、ブースタシエル１の後壁中
    央部で前後往復動自在に支承されるピストンボス
    ５には、前記ダイヤフラム３の内周ビード３ｂを
    後方側から係合させる段部１６が環状に設けられ
    るとともに、前記内周ビード３ｂに後方側から当
    接すべく環状に形成されるストツパ１７，１７′
    ，４８が係止される負圧ブースタにおいて、スト
    ツパ１７，１７′ａ，４８の外周には前方側に向
    けて突出するとともにその前端を彎曲させた係止
    部１７ｂ，１７′ｂ，４８ｂが環状に設けられ、
    ダイヤフラム３の内周ビード３ｂは、前記係止部
    １７ｂ，１７′ｂ，４８ｂに外周を係合させるべ
    く後方側に突出しながらリング状に形成されるこ
    とを特徴とする負圧ブースタ。 前記ストツパ１７′は、ダイヤフラム３の内
    周ビード３ｂの後面に密接すべく平坦なリング状
    に形成される基板部１７′ａと該基板部１７′ａ
    の外周縁から前方側に向けて突出する環状の係止
    部１７′ｂと、ピストンボス５に係合すべく周方
    向に間隔をあけた複数位置で前記基板部１７′ａ
    の内周縁から後方に向けて突出される複数の爪部
    １７′ｃと、各爪部１７′ｃ間で基板部１７′ａ
    の内周縁から半径方向内方に延びて前記内周ビー
    ド３ｂの後面に密接する複数の平坦部１７′ｄと
    を備え、各爪部１７′ｃの基端および各平坦部１
    ７′ｄ間にはスリツト１８′ｃがそれぞれ設けら
    れることを特徴とする請求項第項記載の負圧ブ
    ースタ。
JP1990110367U 1990-06-22 1990-10-22 負圧ブースタ Expired - Lifetime JPH0611841Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1990110367U JPH0611841Y2 (ja) 1990-06-22 1990-10-22 負圧ブースタ
US07/696,795 US5178055A (en) 1990-06-22 1991-05-07 Vacuum booster
GB9112469A GB2246180B (en) 1990-06-22 1991-06-11 Vacuum booster

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2-66584 1990-06-22
JP6658490 1990-06-22
JP1990110367U JPH0611841Y2 (ja) 1990-06-22 1990-10-22 負圧ブースタ

Publications (2)

Publication Number Publication Date
JPH0456566U true JPH0456566U (ja) 1992-05-14
JPH0611841Y2 JPH0611841Y2 (ja) 1994-03-30

Family

ID=26407777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990110367U Expired - Lifetime JPH0611841Y2 (ja) 1990-06-22 1990-10-22 負圧ブースタ

Country Status (3)

Country Link
US (1) US5178055A (ja)
JP (1) JPH0611841Y2 (ja)
GB (1) GB2246180B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226291A (en) * 1991-12-17 1993-07-13 General Motors Corporation Vacuum booster diaphragm/support plate retention method
JP2636632B2 (ja) * 1992-04-09 1997-07-30 自動車機器株式会社 倍力装置のパワーピストン組立体
KR950000490A (ko) * 1993-01-26 1995-01-03 시시도 도시마사 부압부스터에 있어서의 밸브체 유지구조 및 밸브체 유지통 부착구조
DE4341838A1 (de) * 1993-12-08 1995-06-14 Teves Gmbh Alfred Unterdruckbremskraftverstärker für Kraftfahrzeuge
US9193494B2 (en) 2013-03-15 2015-11-24 Owens-Brockway Glass Container Inc. Container having a tamper-indicating component

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0268260U (ja) * 1988-07-01 1990-05-23

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352209A (en) * 1965-06-17 1967-11-14 Bendix Corp Servomotor
US3552272A (en) * 1969-01-22 1971-01-05 Automotive Prod Co Ltd Fluid pressure operated servo-devices
GB1363241A (en) * 1971-02-24 1974-08-14 Automotive Prod Co Ltd Diaphragms
ZA756583B (en) * 1974-11-12 1976-09-29 Rexnord Inc Particulate bed dust collector systems
JPS51149470A (en) * 1975-06-17 1976-12-22 Aisin Seiki Co Ltd Brake booster for automobile use operated with 2 kinds of fluid pres sure
JPS5675250A (en) * 1979-11-21 1981-06-22 Toyota Motor Corp Brake booster
JPS5746206A (en) * 1980-09-05 1982-03-16 Nippon Telegr & Teleph Corp <Ntt> Compound optical fiber
US4522031A (en) * 1981-06-17 1985-06-11 The Bendix Corporation Fluid pressurizing device
DE3537237C2 (de) * 1985-10-19 1994-07-28 Teves Gmbh Alfred Vakuumbremskraftverstärker
JPS6382669U (ja) * 1986-11-20 1988-05-31
JP2531526B2 (ja) * 1987-09-10 1996-09-04 三菱電機株式会社 気体レ―ザ装置
JPS6435979A (en) * 1987-07-30 1989-02-07 Nec Corp Semiconductor laser
JP2514480Y2 (ja) * 1988-02-17 1996-10-16 日信工業 株式会社 タンデム型負圧ブ―スタ
JPH01262249A (ja) * 1988-04-11 1989-10-19 Jidosha Kiki Co Ltd ブレーキ倍力装置
JP2509719Y2 (ja) * 1988-12-26 1996-09-04 自動車機器 株式会社 負圧倍力装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0268260U (ja) * 1988-07-01 1990-05-23

Also Published As

Publication number Publication date
GB9112469D0 (en) 1991-07-31
US5178055A (en) 1993-01-12
GB2246180B (en) 1994-06-01
GB2246180A (en) 1992-01-22
JPH0611841Y2 (ja) 1994-03-30

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