JPH0388976U - - Google Patents

Info

Publication number
JPH0388976U
JPH0388976U JP1989151297U JP15129789U JPH0388976U JP H0388976 U JPH0388976 U JP H0388976U JP 1989151297 U JP1989151297 U JP 1989151297U JP 15129789 U JP15129789 U JP 15129789U JP H0388976 U JPH0388976 U JP H0388976U
Authority
JP
Japan
Prior art keywords
valve body
key member
insertion hole
prevents
radial direction
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
JP1989151297U
Other languages
English (en)
Other versions
JPH0730442Y2 (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 JP1989151297U priority Critical patent/JPH0730442Y2/ja
Priority to US07/609,380 priority patent/US5083497A/en
Priority to GB9025834A priority patent/GB2239914B/en
Priority to KR2019900019733U priority patent/KR940003739Y1/ko
Publication of JPH0388976U publication Critical patent/JPH0388976U/ja
Application granted granted Critical
Publication of JPH0730442Y2 publication Critical patent/JPH0730442Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B60T13/02—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 mechanical assistance or drive
    • 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
    • B60T13/57—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Braking Systems And Boosters (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す断面図、第２
図は第１図のバルブボデイ６を示す断面、第３図
は第２図の−線に沿う断面図、第４図は第１
図に示すリテーナ３２の正面図、第５図は第４図
の平面図、第６図は第４図の−線に沿う断面
図、第７図は本考案の他の実施例におけるリテー
ナ１３２の正面図、第８図は第７図の平面図、第
９図は第７図の−線に沿う断面図、第１０図
は第７図の−線に沿う拡大断面図である。 １……シエル、３……ダイアフラム、３ａ……
内周ビード部、６……バルブボデイ、６ａ……大
径部、６ｂ……小径部、６ｃ……段部端面、７…
…弁機構、１１……弁プランジヤ、２６……キー
部材、２６ａ……湾曲部、２６ｂ……当接部、３
１ａ，１３１ａ……挿入溝、３１ｂ……挿入孔、
３２，１３２……リテーナ、３２ａ，１３２ａ…
…抜止め部、３２ｂ，１３２ｂ……外側位置決め
部、３２ｄ，１３２ｄ……内側位置決め部、３２
ｅ，１３２ｅ……係合部、３３……スリツト。

Claims (1)

  1. 【実用新案登録請求の範囲】 作動方向前方に大径部を、後方に小径部を有す
    るバルブボデイと、上記大径部と小径部との段部
    端面にバルブボデイの半径方向に形成した挿入溝
    と、この挿入溝に連続してバルブボデイの半径方
    向内方に伸びる挿入孔と、この挿入孔内に挿入さ
    れてバルブボデイの軸方向に変位可能に設けられ
    、その半径方向内方部が弁機構の弁プランジヤに
    係合するとともに、外方部が上記挿通孔の外側で
    リヤ側に湾曲されてシエルの内壁面に当接可能な
    キー部材と、このキー部材が挿入孔から脱落する
    のを阻止するリテーナとを備え、 さらに上記リテーナが、上記キー部材の湾曲部
    をその外側から覆う抜止め部と、この抜止め部の
    外方部分から円周方向両側に突出し、バルブボデ
    イに当接して半径方向内方への移動が阻止される
    内側位置決め部と、この位置決め部より外側に設
    けられ、上記バルブボデイの大径部外周面に取付
    けたダイアフラムの内周ビード部によつて被覆さ
    れて半径方向外方への移動が阻止される外側位置
    決め部とを備えたブレーキ倍力装置のキー部材の
    抜止め装置において、 上記挿入溝の側部端面に半径方向に伸びるスリ
    ツトを形成するとともに、上記抜止め部の先端に
    上記スリツト内に挿入されて該抜止め部の先端が
    軸方向に変位するのを阻止する係合部を形成した
    ことを特徴とするブレーキ倍力装置のキー部材の
    抜止め装置。
JP1989151297U 1989-12-28 1989-12-28 ブレーキ倍力装置のキー部材の抜止め装置 Expired - Fee Related JPH0730442Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1989151297U JPH0730442Y2 (ja) 1989-12-28 1989-12-28 ブレーキ倍力装置のキー部材の抜止め装置
US07/609,380 US5083497A (en) 1989-12-28 1990-11-05 Apparatus for preventing withdrawal of key member in brake booster
GB9025834A GB2239914B (en) 1989-12-28 1990-11-28 Brake booster
KR2019900019733U KR940003739Y1 (ko) 1989-12-28 1990-12-13 브레이크 배력장치의 키 부재의 빠짐방지장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989151297U JPH0730442Y2 (ja) 1989-12-28 1989-12-28 ブレーキ倍力装置のキー部材の抜止め装置

Publications (2)

Publication Number Publication Date
JPH0388976U true JPH0388976U (ja) 1991-09-11
JPH0730442Y2 JPH0730442Y2 (ja) 1995-07-12

Family

ID=15515607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989151297U Expired - Fee Related JPH0730442Y2 (ja) 1989-12-28 1989-12-28 ブレーキ倍力装置のキー部材の抜止め装置

Country Status (4)

Country Link
US (1) US5083497A (ja)
JP (1) JPH0730442Y2 (ja)
KR (1) KR940003739Y1 (ja)
GB (1) GB2239914B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2962342B2 (ja) * 1993-10-29 1999-10-12 自動車機器株式会社 倍力装置
JP5617815B2 (ja) * 2011-10-25 2014-11-05 株式会社アドヴィックス 負圧式倍力装置
KR101461312B1 (ko) * 2013-04-02 2014-11-12 (주)에나인더스트리 차량 브레이크 부스터용 키

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688647A (en) * 1970-12-21 1972-09-05 Bendix Corp Clip retainer
JPS57107945A (en) * 1980-12-26 1982-07-05 Jidosha Kiki Co Ltd Valve mechanism controller of brake force magnifier
JPS6233651Y2 (ja) * 1981-03-30 1987-08-28
US4512237A (en) * 1982-01-16 1985-04-23 Jidosha Kiki Co., Ltd. Tandem type brake power servo booster
FR2532084A1 (fr) * 1982-08-20 1984-02-24 Dba Cle d'arret pour plongeur de valve de servomoteur d'assistance et servomoteur d'assistance equipe d'une telle cle
JPS59128040A (ja) * 1983-01-10 1984-07-24 Tokico Ltd 気圧倍力装置
JPS59189170A (ja) * 1983-04-13 1984-10-26 Polyplastics Co 成形用熱可塑性樹脂組成物
JPS59202968A (ja) * 1983-04-30 1984-11-16 Jidosha Kiki Co Ltd ブレ−キ倍力装置
US4640097A (en) * 1983-06-02 1987-02-03 Jidosha Kiki Co. Ltd. Brake booster
JPS60108582U (ja) * 1983-12-28 1985-07-23 自動車機器株式会社 ブレ−キ倍力装置
US4671167A (en) * 1984-03-19 1987-06-09 Tokico Ltd. Pneumatic booster
ES2009845B3 (es) * 1986-04-08 1989-10-16 Bendix France Soc Anonyme Dite: Servomotor de asistencia al frenado.
US4787292A (en) * 1986-09-29 1988-11-29 Jidosha Kiki Co., Ltd. Brake booster
JPH0352600Y2 (ja) * 1987-01-28 1991-11-14
JPH0353958Y2 (ja) * 1987-10-28 1991-11-27
JPH01262249A (ja) * 1988-04-11 1989-10-19 Jidosha Kiki Co Ltd ブレーキ倍力装置

Also Published As

Publication number Publication date
JPH0730442Y2 (ja) 1995-07-12
KR910011390U (ko) 1991-07-29
GB9025834D0 (en) 1991-01-09
GB2239914B (en) 1994-02-23
US5083497A (en) 1992-01-28
GB2239914A (en) 1991-07-17
KR940003739Y1 (ko) 1994-06-09

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees