JPS57175443A - Running safety device for work car - Google Patents

Running safety device for work car

Info

Publication number
JPS57175443A
JPS57175443A JP6302781A JP6302781A JPS57175443A JP S57175443 A JPS57175443 A JP S57175443A JP 6302781 A JP6302781 A JP 6302781A JP 6302781 A JP6302781 A JP 6302781A JP S57175443 A JPS57175443 A JP S57175443A
Authority
JP
Japan
Prior art keywords
switch
turned
retreat
high speed
displaced
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.)
Pending
Application number
JP6302781A
Other languages
Japanese (ja)
Inventor
Susumu Arisawa
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP6302781A priority Critical patent/JPS57175443A/en
Publication of JPS57175443A publication Critical patent/JPS57175443A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Abstract

PURPOSE:To prevent an accident due to retreating and starting at high speed by providing a gearbox of a work car such as a tructor and the like with a switch and warning when a change gear is in the stage of switching to the condition of retreat at high speed. CONSTITUTION:When a shift fork operational shaft 12 of a main gear transmission 7 of four-stage variable speed is at a position on the third or the fourth speed position side to which it has been displaced from a neutral position, and at the third or the fourth speed position, big diameter parts 12b, 12c contact a switch operational part and the first switch 10 is turned on. Also, only when a shift fork operational shaft 15 of a subsidiary gear transmission 8 is at a position on high speed side to which it has been displaced from a neutral position, or at a high speed position, a switch operational implement 16 contacts the second switch 13, which is turned on. Regarding an advance and retreat change- over gear transmission 9, the third switch 17 is turned on at a displaced retreat side position and a retreat position. Thus, a warning lamp 21 is turned on when the first and the second switch 10, 13 are in ON state, and a buzzer 22 gives a warning when the third switch 17 is turned on.
JP6302781A 1981-04-23 1981-04-23 Running safety device for work car Pending JPS57175443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6302781A JPS57175443A (en) 1981-04-23 1981-04-23 Running safety device for work car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6302781A JPS57175443A (en) 1981-04-23 1981-04-23 Running safety device for work car

Publications (1)

Publication Number Publication Date
JPS57175443A true JPS57175443A (en) 1982-10-28

Family

ID=13217428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6302781A Pending JPS57175443A (en) 1981-04-23 1981-04-23 Running safety device for work car

Country Status (1)

Country Link
JP (1) JPS57175443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801362A1 (en) * 1999-11-18 2001-05-25 Erick Boyer Security device for warning the automotive vehicle driver that the reverse gear has been engaged

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801362A1 (en) * 1999-11-18 2001-05-25 Erick Boyer Security device for warning the automotive vehicle driver that the reverse gear has been engaged

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