JPH0198953U - - Google Patents
Info
- Publication number
- JPH0198953U JPH0198953U JP19617687U JP19617687U JPH0198953U JP H0198953 U JPH0198953 U JP H0198953U JP 19617687 U JP19617687 U JP 19617687U JP 19617687 U JP19617687 U JP 19617687U JP H0198953 U JPH0198953 U JP H0198953U
- Authority
- JP
- Japan
- Prior art keywords
- shift
- key
- shaft
- speed change
- collar
- 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
- Gear-Shifting Mechanisms (AREA)
Description
第１図はこの考案の一実施例の要部を示す横断
面図、第２図は同実施例の横断平面図、第３図は
同実施例を装備する歩行型芝刈機を示す概略斜視
図、第４図は同実施例の一部省略縦断面図、第５
図は第４図に図示の一部材の斜視図、第６図は第
５図に図示のデテント機構の平面図、第７図は同
デテント機構の一部分の縦断面図、第８図は他の
実施例の要部を示す横断平面図、第９図はデテン
ト機構の他例の一部分を示す縦断面図である。
１…変速軸、２，２，２，２，２…
変速歯車、３…シフトカラー、４…長溝穴、５…
シフトキー、６…クラツチ突起、７…操作索条、
８…変速レバー、９…ミツシヨンケース、１０…
シフトフオーク、１１…変速アーム、３４…駆動
軸、３８…板ばね、４２…デテントアーム、４４
…デテント板、４５…突起、４６，４６，４
６，４６，４６…穴、４７…デテント機構
、５２…ボール、５３，５３…凹溝。
Fig. 1 is a cross-sectional view showing the main parts of an embodiment of this invention, Fig. 2 is a cross-sectional plan view of the same embodiment, and Fig. 3 is a schematic perspective view showing a walk-behind lawn mower equipped with the same embodiment. , FIG. 4 is a partially omitted vertical sectional view of the same embodiment, and FIG.
6 is a plan view of the detent mechanism shown in FIG. 5, FIG. 7 is a vertical sectional view of a portion of the detent mechanism, and FIG. FIG. 9 is a cross-sectional plan view showing essential parts of the embodiment, and FIG. 9 is a longitudinal cross-sectional view showing a portion of another example of the detent mechanism. 1...Shift shaft, 2, 2, 2, 2, 2...
Speed change gear, 3...Shift collar, 4...Long slot, 5...
Shift key, 6...clutch protrusion, 7...operation cable,
8... Gear shift lever, 9... Mission case, 10...
Shift fork, 11... Speed change arm, 34... Drive shaft, 38... Leaf spring, 42... Detent arm, 44
...Detent plate, 45...Protrusion, 46, 46, 4
6, 46, 46... Hole, 47... Detent mechanism, 52... Ball, 53, 53... Concave groove.
Claims (1)
車２，２，２，２，２を、変速軸１上
に摺動可能に設けられたシフトカラー３に基端で
相対摺動不能に接続して変速軸１外周面の長溝穴
４内に設けられたシフトキー５の先端のクラツチ
突起６により択一的に変速軸１へと結合して変速
を行なうように構成され、上記シフトカラー３を
、プツシユ・プル型の操作索条７を含む操作機構
を介して変速レバー８により変速軸１上で摺動変
位させるキーシフト式変速装置において、前記ク
ラツチ突起６の斜面部分の傾斜角度について、前
記操作索条７による前記シフトカラー３の押し操
作方向の傾斜角度の方を引き操作方向の傾斜角度
よりも小さく設定したことを特徴とするキーシフ
ト式変速装置。 ２ 実用新案登録請求の範囲第１項に記載のキー
シフト式変速装置において、前記シフトカラー３
を変速軸１上で位置拘束するためのデテント機構
４７の拘束解除操作荷重について、前記操作索条
７による前記シフトカラー３の押し操作方向の操
作荷重の方を引き操作方向の操作荷重よりも小さ
く設定してあるキーシフト式変速装置。[Claims for Utility Model Registration] 1. A shift collar 3 provided on the speed change shaft 1 such that a plurality of speed change gears 2, 2, 2, 2, 2, which are loosely fitted on the speed change shaft 1, can be slid on the speed change shaft 1. A clutch protrusion 6 at the tip of a shift key 5 provided in a long groove hole 4 on the outer circumferential surface of the shift shaft 1 connects the shift key 5 to the shift shaft 1 in a relatively non-slidable manner at its base end to perform gear shifting. In the key shift type transmission device, which is configured as shown in FIG. Regarding the inclination angle of the slope portion, the inclination angle in the push operation direction of the shift collar 3 by the operation cable 7 is set smaller than the inclination angle in the pull operation direction. 2. Utility model registration In the key shift type transmission device according to claim 1, the shift collar 3
Regarding the operation load for releasing the restraint of the detent mechanism 47 for positionally restraining the shift collar 3 on the shift shaft 1, the operation load in the push operation direction of the shift collar 3 by the operation cable 7 is smaller than the operation load in the pull operation direction. Key shift type transmission set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19617687U JPH062064Y2 (en) | 1987-12-24 | 1987-12-24 | Key shift type transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19617687U JPH062064Y2 (en) | 1987-12-24 | 1987-12-24 | Key shift type transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0198953U true JPH0198953U (en) | 1989-07-03 |
| JPH062064Y2 JPH062064Y2 (en) | 1994-01-19 |
Family
ID=31486810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19617687U Expired - Lifetime JPH062064Y2 (en) | 1987-12-24 | 1987-12-24 | Key shift type transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062064Y2 (en) |
-
1987
- 1987-12-24 JP JP19617687U patent/JPH062064Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062064Y2 (en) | 1994-01-19 |
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