JPS54120360A - Shift controller for range-shift type transmission - Google Patents

Shift controller for range-shift type transmission

Info

Publication number
JPS54120360A
JPS54120360A JP2752278A JP2752278A JPS54120360A JP S54120360 A JPS54120360 A JP S54120360A JP 2752278 A JP2752278 A JP 2752278A JP 2752278 A JP2752278 A JP 2752278A JP S54120360 A JPS54120360 A JP S54120360A
Authority
JP
Japan
Prior art keywords
shift
speed
low
neutral
valve
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
JP2752278A
Other languages
Japanese (ja)
Inventor
Kenichi Shimizu
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
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 filed Critical Hino Motors Ltd
Priority to JP2752278A priority Critical patent/JPS54120360A/en
Publication of JPS54120360A publication Critical patent/JPS54120360A/en
Pending legal-status Critical Current

Links

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  • Control Of Transmission Device (AREA)

Abstract

PURPOSE: To prevent false operation in case of speed change, by continually letting the neutral lock action of a double engagement preventive mechanism precede to the shift action of a range-shift type transmission, in a shift controller for the transmission.
CONSTITUTION: When changing over car speed to a low-speed from a high-speed by operating a knob 61 of a transmission change-over mechanism 18 at a location shown in the figure, a neutral detector 19 is closed because a speed change lever is positioned at a shift location, and a low-speed shift valve 15 does not act. A lock valve 12 is operated to feed air to a neutral fixing device 11, and shift bars 72W74 are fixed to a cover 77 with the motion of a neutral location of the speed change lever. The neutral detector 19 is simultaneously closed and the low-speed shift valve 15 functions, air is sent to the low-speed side 37 of an operating cylinder 32 from a tank 30 and a shift fork 39 moves to the low-speed side. This motion is detected at a contact 48, and the lock valve 12 is released - that is, the shift bars can be operated by means of the speed change lever.
COPYRIGHT: (C)1979,JPO&Japio
JP2752278A 1978-03-10 1978-03-10 Shift controller for range-shift type transmission Pending JPS54120360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2752278A JPS54120360A (en) 1978-03-10 1978-03-10 Shift controller for range-shift type transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2752278A JPS54120360A (en) 1978-03-10 1978-03-10 Shift controller for range-shift type transmission

Publications (1)

Publication Number Publication Date
JPS54120360A true JPS54120360A (en) 1979-09-18

Family

ID=12223447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2752278A Pending JPS54120360A (en) 1978-03-10 1978-03-10 Shift controller for range-shift type transmission

Country Status (1)

Country Link
JP (1) JPS54120360A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57184730A (en) * 1981-05-01 1982-11-13 Mazda Motor Corp Clutch control device for combined clutch type multistage gear transmission
JPS5965653A (en) * 1982-10-07 1984-04-13 Isuzu Motors Ltd Operating method of speed change gears
JPS5969562A (en) * 1982-10-08 1984-04-19 Isuzu Motors Ltd Operation of transmission
JPS6018643A (en) * 1983-07-08 1985-01-30 Mitsubishi Agricult Mach Co Ltd Speed changer
JPS60162762U (en) * 1984-04-09 1985-10-29 株式会社小松製作所 Transmission interlock device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57184730A (en) * 1981-05-01 1982-11-13 Mazda Motor Corp Clutch control device for combined clutch type multistage gear transmission
JPS5965653A (en) * 1982-10-07 1984-04-13 Isuzu Motors Ltd Operating method of speed change gears
JPH0235173B2 (en) * 1982-10-07 1990-08-08 Isuzu Motors Ltd
JPS5969562A (en) * 1982-10-08 1984-04-19 Isuzu Motors Ltd Operation of transmission
JPS6335863B2 (en) * 1982-10-08 1988-07-18 Isuzu Motors Ltd
JPS6018643A (en) * 1983-07-08 1985-01-30 Mitsubishi Agricult Mach Co Ltd Speed changer
JPH0124938B2 (en) * 1983-07-08 1989-05-15 Mitsubishi Agricult Mach
JPS60162762U (en) * 1984-04-09 1985-10-29 株式会社小松製作所 Transmission interlock device

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