JPS64117U - - Google Patents
Info
- Publication number
- JPS64117U JPS64117U JP9251287U JP9251287U JPS64117U JP S64117 U JPS64117 U JP S64117U JP 9251287 U JP9251287 U JP 9251287U JP 9251287 U JP9251287 U JP 9251287U JP S64117 U JPS64117 U JP S64117U
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- shafts
- transmission
- engaging
- fulcrum
- 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
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
図面は本考案の実施例と従来例を示し、第１図
は本考案実施例の立面断面図、第２図は同じくミ
ツシヨンの側面図、第３図はフオーク軸配列を示
す展開平面図、第４図は全体の背面外観図、第５
図はフオークの配置を示す背面図、第６図は係合
部の詳細断面図、第７図は位置決め機構の断面図
、第８図は変速パターンを示す説明図、第９図は
従来例の立面断面図である。
２０……入力軸、２３，３３……変速軸、２７
，２８，３６，３７，３０，３１，３２，３８，
３９，４０……ギヤー群、２９，４１，４２……
シフター、４４，４５，４６……フオーク軸、５
３，５４，５５……係合部、６１……変速レバー
、６２……変速杆、６３……ミツシヨンケース、
６４……壁、６５……孔、６９……操作支点。
The drawings show an embodiment of the present invention and a conventional example, in which Fig. 1 is an elevational sectional view of the embodiment of the invention, Fig. 2 is a side view of the transmission, and Fig. 3 is a developed plan view showing the fork shaft arrangement. Figure 4 is the overall rear external view, Figure 5
Figure 6 is a rear view showing the arrangement of the fork, Figure 6 is a detailed cross-sectional view of the engaging part, Figure 7 is a cross-sectional view of the positioning mechanism, Figure 8 is an explanatory diagram showing the speed change pattern, and Figure 9 is the conventional example. FIG. 20... Input shaft, 23, 33... Speed change shaft, 27
,28,36,37,30,31,32,38,
39,40...Gear group, 29,41,42...
Shifter, 44, 45, 46...Fork axis, 5
3, 54, 55...Engagement portion, 61...Shift lever, 62...Shift rod, 63...Mission case,
64... Wall, 65... Hole, 69... Operation fulcrum.
Claims (1)
を上下複数段に並設して備え、変速軸２３，３３
上の変速ギヤー群２７，２８，３６，３７，３０
，３１，３２，３８，３９，４０を変速するフオ
ーク５０，５１，５２を、変速軸２３，３３の外
側方で上下複数段に並設したフオーク軸４４，４
５，４６を介して摺動自在に支持し、フオーク軸
４４，４５，４６側の係合部５３，５４，５５を
、ミツシヨンケース６３の側壁６４に形成した孔
６５に対応して設け、各係合部５３，５４，５５
に係脱自在となる変速レバー６１の操作支点６９
を、係合部５３，５４，５５の上方位置でミツシ
ヨンケース６３の側壁６４外側に配置したものに
おいて、 操作支点６９より外側方に突出する側の変速レ
バー６１を、操作支点６９より内方側に延伸する
変速杆６２より重く形成して、該変速杆６２を係
合部５３より離脱して隣接する係合部５５に中立
復帰するようにしたことを特徴とするトラクタの
変速操作装置。[Scope of Claim for Utility Model Registration] In the transmission case 63, the transmission shafts 23, 33
are arranged in parallel in multiple upper and lower stages, and the transmission shafts 23, 33
Upper gear group 27, 28, 36, 37, 30
, 31, 32, 38, 39, 40, fork shafts 44, 4 in which fork shafts 50, 51, 52 for shifting gears are arranged in a plurality of upper and lower stages on the outside of the transmission shafts 23, 33.
5 and 46, and the engaging portions 53, 54, 55 on the side of the fork shafts 44, 45, 46 are provided corresponding to the holes 65 formed in the side wall 64 of the mission case 63, Each engaging part 53, 54, 55
An operation fulcrum 69 of the gear shift lever 61 that can be freely engaged and detached from the
is arranged on the outside of the side wall 64 of the transmission case 63 at a position above the engaging parts 53, 54, 55, and the shift lever 61 on the side that protrudes outward from the operating fulcrum 69 is moved inward from the operating fulcrum 69. A tractor speed change operation device characterized in that the speed change lever 62 is made heavier than the speed change rod 62 extending to the side, and the speed change rod 62 is disengaged from an engaging portion 53 and returns to neutral at an adjacent engaging portion 55.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251287U JPH067214Y2 (en) | 1987-06-16 | 1987-06-16 | Gear change operation device of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251287U JPH067214Y2 (en) | 1987-06-16 | 1987-06-16 | Gear change operation device of tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS64117U true JPS64117U (en) | 1989-01-05 |
| JPH067214Y2 JPH067214Y2 (en) | 1994-02-23 |
Family
ID=30954287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9251287U Expired - Lifetime JPH067214Y2 (en) | 1987-06-16 | 1987-06-16 | Gear change operation device of tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067214Y2 (en) |
-
1987
- 1987-06-16 JP JP9251287U patent/JPH067214Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067214Y2 (en) | 1994-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6453552U (en) | ||
| JPS64118U (en) | ||
| JPS6248108B2 (en) | ||
| JPS6233160Y2 (en) | ||
| JPS5853613Y2 (en) | Gear shift operation device | |
| JPH067214Y2 (en) | Gear change operation device of tractor | |
| JPS5831210Y2 (en) | Gear shift operation device | |
| JPS58109656U (en) | Gear shift operation mechanism | |
| JPS5918508Y2 (en) | Operation unit structure | |
| JPS5912662Y2 (en) | Transmission shift mechanism | |
| JPS5984621U (en) | Shifting device for multi-gear transmission | |
| JPS60122221U (en) | Vegetable transplanter gearbox | |
| JPH03115254U (en) | ||
| JPS6291041U (en) | ||
| JPS61196321U (en) | ||
| JPS6375653U (en) | ||
| JPH0328574A (en) | Shifting operation structure for transmission | |
| JPS6194924U (en) | ||
| JPS6130741U (en) | Agricultural machinery speed change operation structure | |
| JPS5812749U (en) | Agricultural tractor transmission | |
| JPS60112826U (en) | Gear shift operation device | |
| JPS60145626U (en) | clutch type transmission | |
| JPS63166748U (en) | ||
| JPH01160518U (en) | ||
| JPS6146616U (en) | Vegetable transplanter gearbox |