JPH02143564U - - Google Patents
Info
- Publication number
- JPH02143564U JPH02143564U JP5205389U JP5205389U JPH02143564U JP H02143564 U JPH02143564 U JP H02143564U JP 5205389 U JP5205389 U JP 5205389U JP 5205389 U JP5205389 U JP 5205389U JP H02143564 U JPH02143564 U JP H02143564U
- Authority
- JP
- Japan
- Prior art keywords
- recess
- engages
- fork
- pressing body
- positioning
- 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
Links
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１〜４図は本考案の実施例を示しており、第
１図は要部の断面側面図、第２図は体感差異発生
手段の断面図、第３図は第１図の−線断面図
、第４図はトラクタの変速装置及び変速操作機構
の線図、第５図は位置決め体の変形例を示す断面
図である。
３４……超減速機構、６１……変速操作機構、
６２……支持壁、Ａ……第１中立位置、Ｂ……第
１変速位置、Ｃ……第２変速位置、Ｄ……第２中
立位置、Ｅ……第３変速位置、Ｓ……シフタ、Ｆ
……フオーク軸、Ｇ……シフトフオーク、Ｌ……
レバー、Ｈ……位置決め手段、Ｍ……凹部、Ｎ…
…ボール（位置決め体）、Ｐ……体感差異発生手
段、Ｑ……凹部、Ｒ……ボール（押圧体）、Ｗ…
…凸部、Ｙ……凸部。
1 to 4 show an embodiment of the present invention, FIG. 1 is a cross-sectional side view of the main part, FIG. 2 is a cross-sectional view of the sensory difference generating means, and FIG. 3 is a cross-section taken along the line - in FIG. FIG. 4 is a diagram of a tractor transmission and a speed change operation mechanism, and FIG. 5 is a sectional view showing a modification of the positioning body. 34... super reduction mechanism, 61... speed change operation mechanism,
62...Support wall, A...First neutral position, B...First shift position, C...Second shift position, D...Second neutral position, E...Third shift position, S...Shifter ,F
...Fork axis, G...Shift fork, L...
Lever, H...positioning means, M...recess, N...
... Ball (positioning body), P... Sensory difference generating means, Q... Recess, R... Ball (pressing body), W...
...Protrusion, Y...Protrusion.
Claims (1)
端部位置Ａ，Ｄへフオーク軸軸方向に移動すべく
取付けているフオーク軸Ｆの外周に、位置決め体
Ｎを弾圧すると共に、フオーク軸Ｆが中間位置Ｃ
のときに位置決め体Ｎを係合する中間凹部ＭＣと
、各端部位置Ａ，Ｄのときに位置決め体Ｎと係合
する少なくとも各１つの端凹部ＭＡ，ＭＤとを形
成し、各凹部ＭＣ，ＭＡ，ＭＤ間に位置決め体Ｎ
が乗越え可能な凸部Ｗを形成した変速操作機構に
おいて、 前記フオーク軸Ｆの外周に、押圧体Ｒを弾圧す
ると共に、シフトフオークＧが中間位置Ｃ及び一
方の端部位置Ａのときに押圧体Ｒと係合する長凹
部ＱＡと、他方の端部位置Ｄのときに押圧体Ｒと
係合する少なくとも１つの他端凹部ＱＤとを形成
し、前記長凹部ＱＡと他端凹部ＱＤとの間に押圧
体Ｒが垂越え可能な凸部Ｙを形成したことを特徴
とする変速操作機構。[Claim for Utility Model Registration] A positioning body N is pressed against the outer periphery of a fork shaft F that is attached to move a shift fork G from an intermediate position C to end positions A and D on both sides in the fork shaft direction. At the same time, the fork axis F is at the intermediate position C.
An intermediate recess MC that engages the positioning body N when the positioning member N is in position, and at least one end recess MA, MD that engages the positioning body N at each end position A, D are formed, and each recess MC, Positioning body N between MA and MD
In the shift operation mechanism in which a convex portion W that can be climbed over is formed, a pressing body R is pressed against the outer periphery of the fork shaft F, and when the shift fork G is at an intermediate position C and one end position A, the pressing body A long recess QA that engages with R, and at least one other end recess QD that engages with the pressing body R at the other end position D, and between the long recess QA and the other end recess QD. A speed change operation mechanism characterized in that a convex portion Y is formed on which a pressing body R can hang over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5205389U JPH02143564U (en) | 1989-05-02 | 1989-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5205389U JPH02143564U (en) | 1989-05-02 | 1989-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02143564U true JPH02143564U (en) | 1990-12-05 |
Family
ID=31572031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5205389U Pending JPH02143564U (en) | 1989-05-02 | 1989-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02143564U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53119716A (en) * | 1977-03-29 | 1978-10-19 | Kubota Ltd | Manufacture of nodular graphite cast iron product |
| JPS544974B1 (en) * | 1970-12-05 | 1979-03-12 | ||
| JPS55140028A (en) * | 1979-04-17 | 1980-11-01 | Matsushita Electric Ind Co Ltd | Incinerator |
-
1989
- 1989-05-02 JP JP5205389U patent/JPH02143564U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544974B1 (en) * | 1970-12-05 | 1979-03-12 | ||
| JPS53119716A (en) * | 1977-03-29 | 1978-10-19 | Kubota Ltd | Manufacture of nodular graphite cast iron product |
| JPS55140028A (en) * | 1979-04-17 | 1980-11-01 | Matsushita Electric Ind Co Ltd | Incinerator |
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