JPS5667630A - Running speed changing apparatus for tractor - Google Patents
Running speed changing apparatus for tractorInfo
- Publication number
- JPS5667630A JPS5667630A JP14487079A JP14487079A JPS5667630A JP S5667630 A JPS5667630 A JP S5667630A JP 14487079 A JP14487079 A JP 14487079A JP 14487079 A JP14487079 A JP 14487079A JP S5667630 A JPS5667630 A JP S5667630A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- motor
- rod
- speed change
- detecting
- 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
Links
Landscapes
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
PURPOSE: To favorably effect radical speed change in a wide range, by connecting a driving mechanism and a speed change apparatus operated by it through a motor driven friction gearing mechanism such that they can be relatively displaced.
CONSTITUTION: The first operation arm 17 is coactively connected through a rod 21 with a swingable arm 20 that is swingably operated by a motor 19 and the motor 19 is automatically rotated forward or backward in a manner that, on a detected result of the first speed detecting apparatus 22 for detecting a revolutional speed of a shaft 1a bearing front wheel 1 as an output revolutional speed of a stepless speed change gear of the front wheels, a detected value of the second speed detecting apparatus 23 for detecting an output revolutional speed of a rear wheel driving motor 12 becomes a predetermined relation for the value of the apparatus 22. Since an operation arm 18 is connected to a lever 14 through an expandable rod 24 that comprises the first rod 24a and the second rod 24b with them engaged and connected expandably each other within a definite short range, when the lever 14 is operated radically in a wide range, speed change is desirably corrected by the motor 19.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14487079A JPS5667630A (en) | 1979-11-06 | 1979-11-06 | Running speed changing apparatus for tractor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14487079A JPS5667630A (en) | 1979-11-06 | 1979-11-06 | Running speed changing apparatus for tractor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5667630A true JPS5667630A (en) | 1981-06-06 |
JPS6152014B2 JPS6152014B2 (en) | 1986-11-11 |
Family
ID=15372295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14487079A Granted JPS5667630A (en) | 1979-11-06 | 1979-11-06 | Running speed changing apparatus for tractor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5667630A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04132256U (en) * | 1991-05-28 | 1992-12-07 | カヤバ工業株式会社 | Continuously variable transmission operating mechanism |
-
1979
- 1979-11-06 JP JP14487079A patent/JPS5667630A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04132256U (en) * | 1991-05-28 | 1992-12-07 | カヤバ工業株式会社 | Continuously variable transmission operating mechanism |
Also Published As
Publication number | Publication date |
---|---|
JPS6152014B2 (en) | 1986-11-11 |
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