JPS5947571U - Negative pressure booster - Google Patents

Negative pressure booster

Info

Publication number
JPS5947571U
JPS5947571U JP14463082U JP14463082U JPS5947571U JP S5947571 U JPS5947571 U JP S5947571U JP 14463082 U JP14463082 U JP 14463082U JP 14463082 U JP14463082 U JP 14463082U JP S5947571 U JPS5947571 U JP S5947571U
Authority
JP
Japan
Prior art keywords
booster
piston
negative pressure
working chamber
booster piston
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
JP14463082U
Other languages
Japanese (ja)
Other versions
JPS6238437Y2 (en
Inventor
宮崎　義久
Original Assignee
日信工業株式会社
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 by 日信工業株式会社 filed Critical 日信工業株式会社
Priority to JP14463082U priority Critical patent/JPS5947571U/en
Publication of JPS5947571U publication Critical patent/JPS5947571U/en
Application granted granted Critical
Publication of JPS6238437Y2 publication Critical patent/JPS6238437Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Braking Systems And Boosters (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図面は本考案の一実施例を示すもので、第１図は縦断側
面図、第２図は要部の縦断側面図である。 Ａ、　Ｂ・・・第１、第２作動室、Ｓ・・・負圧式倍力
装置、１・・・ブースタシェル、２・・・ブースタピス
トン、２ａ・・・ボス部、３−・・ピストンダイヤフラ
ム、３ａ。 ３ｂ・・・内、外周ビード、３Ｃ・・・受圧部、３ｅ・
・・波形部。The drawings show an embodiment of the present invention, with FIG. 1 being a longitudinal side view and FIG. 2 being a longitudinal side view of the main parts. A, B...First and second working chambers, S...Negative pressure booster, 1...Booster shell, 2...Booster piston, 2a...Boss portion, 3-...Piston Diaphragm, 3a. 3b...Inner and outer peripheral bead, 3C...Pressure receiving part, 3e.
...Waveform part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブースタシェル１の内部にブースタピストン２を前後往
復動自在に収容し、ピストンダイヤフラム３の内周ビー
ド３ａを前記ブースタピストン２のボス部２ａに、外周
ビード３ｂを前記ブースタシェル１にそれぞれ固着する
と共に中間の受圧部３Ｃを前記ブースタピストン２の後
面に重合して前記ブースタピストン２の後面に重合して
前記ブースタシェル１内を負圧源に連なる第１作動室Ａ
と制御弁を介して第１作動室Ａまたは大気との連通を切
換え制御される第２作動室Ｂとに区画した負圧式倍力装
置において、前記ピストンダイヤフラム３の前記受圧部
３Ｃの前記ブースタピストン２との重合部に、該ブース
タピストン２の軸方向に伸長し得る波形部３ｅを形成し
た負圧式倍力装置。A booster piston 2 is housed inside the booster shell 1 so as to be able to reciprocate back and forth, and the inner bead 3a of the piston diaphragm 3 is fixed to the boss portion 2a of the booster piston 2, and the outer bead 3b is fixed to the booster shell 1. A first working chamber A is formed in which an intermediate pressure receiving part 3C is superimposed on the rear surface of the booster piston 2, and the inside of the booster shell 1 is connected to a negative pressure source.
and a first working chamber A or a second working chamber B whose communication with the atmosphere is switched and controlled via a control valve. A negative pressure booster in which a corrugated portion 3e that can extend in the axial direction of the booster piston 2 is formed at the overlapped portion with the booster piston 2.
JP14463082U 1982-09-24 1982-09-24 Negative pressure booster Granted JPS5947571U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14463082U JPS5947571U (en) 1982-09-24 1982-09-24 Negative pressure booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14463082U JPS5947571U (en) 1982-09-24 1982-09-24 Negative pressure booster

Publications (2)

Publication Number Publication Date
JPS5947571U true JPS5947571U (en) 1984-03-29
JPS6238437Y2 JPS6238437Y2 (en) 1987-10-01

Family

ID=30322471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14463082U Granted JPS5947571U (en) 1982-09-24 1982-09-24 Negative pressure booster

Country Status (1)

Country Link
JP (1) JPS5947571U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156156U (en) * 1984-09-20 1986-04-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156156U (en) * 1984-09-20 1986-04-15

Also Published As

Publication number Publication date
JPS6238437Y2 (en) 1987-10-01

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