JPS5744558A - Car brake system - Google Patents

Car brake system

Info

Publication number
JPS5744558A
JPS5744558A JP55118131A JP11813180A JPS5744558A JP S5744558 A JPS5744558 A JP S5744558A JP 55118131 A JP55118131 A JP 55118131A JP 11813180 A JP11813180 A JP 11813180A JP S5744558 A JPS5744558 A JP S5744558A
Authority
JP
Japan
Prior art keywords
brake
time
parking
service brake
braking
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
JP55118131A
Other languages
Japanese (ja)
Other versions
JPS6318537B2 (en
Inventor
Kazuhiko Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hino Motors Ltd
Original Assignee
Hino Motors Ltd
Hino Jidosha Kogyo KK
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 Hino Motors Ltd, Hino Jidosha Kogyo KK filed Critical Hino Motors Ltd
Priority to JP55118131A priority Critical patent/JPS5744558A/en
Publication of JPS5744558A publication Critical patent/JPS5744558A/en
Publication of JPS6318537B2 publication Critical patent/JPS6318537B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Braking Systems And Boosters (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Regulating Braking Force (AREA)

Abstract

PURPOSE: To secure braking action at the time of car parking and stopping by allowing the service brake to be locked in braking condition when a parking brake is in operation, in such a brake system as utilizing a service brake for normal braking as a parking brake in parallel at the time of car parking and stopping.
CONSTITUTION: At the time of using a hydraulic service brake 11 jointly with a parking brake 30, a main switch 38 is first energized and a handle lever 31 is pulled up. When handling force of said lever 31 reaches more than its predetermined value handling force sensor 47 is energized and a contact 42 of an electromagnetic relay 40 is closed. Then a solenoid valve 37 is opened and compressed air from an air tank 23 is sent into a power cylinder 20 of a double power device 19 through a double check valve 25. Oil, thus pressurized, is supplied to front and rear oil brakes 14W17 and the oil service brake is maintained in braking condition. At this time, an auxiliary electromagnetic relay 43 is also excited and a solenoid valve 37 is maintained securely in open condition.
COPYRIGHT: (C)1982,JPO&Japio
JP55118131A 1980-08-27 1980-08-27 Car brake system Granted JPS5744558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55118131A JPS5744558A (en) 1980-08-27 1980-08-27 Car brake system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55118131A JPS5744558A (en) 1980-08-27 1980-08-27 Car brake system

Publications (2)

Publication Number Publication Date
JPS5744558A true JPS5744558A (en) 1982-03-13
JPS6318537B2 JPS6318537B2 (en) 1988-04-19

Family

ID=14728803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55118131A Granted JPS5744558A (en) 1980-08-27 1980-08-27 Car brake system

Country Status (1)

Country Link
JP (1) JPS5744558A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128038A (en) * 1983-01-12 1984-07-24 Sumitomo Electric Ind Ltd Booster for brake
JPH05139271A (en) * 1991-11-20 1993-06-08 Hino Motors Ltd Vehicular brake locking device
JP2012030616A (en) * 2010-07-28 2012-02-16 Kubota Corp Tractor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139942U (en) * 1974-09-18 1976-03-25
JPS5145783U (en) * 1974-10-01 1976-04-03
JPS53427U (en) * 1976-06-22 1978-01-06

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53427B2 (en) * 1972-10-16 1978-01-09

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139942U (en) * 1974-09-18 1976-03-25
JPS5145783U (en) * 1974-10-01 1976-04-03
JPS53427U (en) * 1976-06-22 1978-01-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128038A (en) * 1983-01-12 1984-07-24 Sumitomo Electric Ind Ltd Booster for brake
JPS6339466B2 (en) * 1983-01-12 1988-08-05 Sumitomo Electric Industries
JPH05139271A (en) * 1991-11-20 1993-06-08 Hino Motors Ltd Vehicular brake locking device
JP2012030616A (en) * 2010-07-28 2012-02-16 Kubota Corp Tractor

Also Published As

Publication number Publication date
JPS6318537B2 (en) 1988-04-19

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