JPS61182214U - - Google Patents

Info

Publication number
JPS61182214U
JPS61182214U JP6581385U JP6581385U JPS61182214U JP S61182214 U JPS61182214 U JP S61182214U JP 6581385 U JP6581385 U JP 6581385U JP 6581385 U JP6581385 U JP 6581385U JP S61182214 U JPS61182214 U JP S61182214U
Authority
JP
Japan
Prior art keywords
draft control
fitted
swings
engagement groove
spool
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
Application number
JP6581385U
Other languages
Japanese (ja)
Other versions
JPH0510564Y2 (en
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 filed Critical
Priority to JP1985065813U priority Critical patent/JPH0510564Y2/ja
Publication of JPS61182214U publication Critical patent/JPS61182214U/ja
Application granted granted Critical
Publication of JPH0510564Y2 publication Critical patent/JPH0510564Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の実施例を示す断面図、第２図
は第１図の―線断面図、第３図は斜視図、第
４図は側面図、第５図は油圧回路図、第６図は比
較例を示す正面図である。 ８…揺動ブラケツト、１３…ドラフトコントロ
ールバルブ、１４…ドラフトコントロールレバー
、１９…スプール、２３…スプールドライブレバ
ー、２３ａ，２３ｂ…係合溝、２８…枢支ピン、
３５…フイードバツクピン、３６…フイードバツ
クリンク。 Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view taken along the line - - of Fig. 1, Fig. 3 is a perspective view, Fig. 4 is a side view, Fig. 5 is a hydraulic circuit diagram, and Fig. 5 is a hydraulic circuit diagram. FIG. 6 is a front view showing a comparative example. 8... Swing bracket, 13... Draft control valve, 14... Draft control lever, 19... Spool, 23... Spool drive lever, 23a, 23b... Engagement groove, 28... Pivotal pin,
35...Feedback pin, 36...Feedback link.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ドラフトコントロールバルブの摺動自在なスプ
ールの先端に、スプールドライブレバーが略Ｔ字
状に直交して枢支され、該スプールドライブレバ
ーの両端部に二叉状の係合溝が設けられ、一方の
係合溝にドラフトコントロールレバーの揺動操作
で揺動する枢支ピンが回動自在に密嵌状に嵌合し
、他方の係合溝に、揺動ブラケツトに連結された
フイードバツクリングにより揺動されるフイード
バツクピンが、遊嵌状に嵌合していることを特徴
とするトラクタのドラフト制御装置。 A spool drive lever is pivoted orthogonally in a substantially T-shape at the tip of the slidable spool of the draft control valve, and bifurcated engagement grooves are provided at both ends of the spool drive lever. A pivot pin that swings when the draft control lever swings is fitted into the engagement groove in a rotatable, close-fitting manner, and a feedback ring connected to the swing bracket is fitted into the other engagement groove. A draft control device for a tractor, characterized in that a swingable feedback pin is loosely fitted.
JP1985065813U 1985-05-02 1985-05-02 Expired - Lifetime JPH0510564Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985065813U JPH0510564Y2 (en) 1985-05-02 1985-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985065813U JPH0510564Y2 (en) 1985-05-02 1985-05-02

Publications (2)

Publication Number Publication Date
JPS61182214U true JPS61182214U (en) 1986-11-13
JPH0510564Y2 JPH0510564Y2 (en) 1993-03-16

Family

ID=30598147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985065813U Expired - Lifetime JPH0510564Y2 (en) 1985-05-02 1985-05-02

Country Status (1)

Country Link
JP (1) JPH0510564Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017063686A (en) * 2015-09-29 2017-04-06 株式会社クボタ Tractor
JP2017063685A (en) * 2015-09-29 2017-04-06 株式会社クボタ Tractor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557070A (en) * 1978-06-30 1980-01-18 Sato Zoki Co Ltd Working machine lifting controller of farm tractor
JPS558491U (en) * 1978-07-05 1980-01-19

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557070A (en) * 1978-06-30 1980-01-18 Sato Zoki Co Ltd Working machine lifting controller of farm tractor
JPS558491U (en) * 1978-07-05 1980-01-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017063686A (en) * 2015-09-29 2017-04-06 株式会社クボタ Tractor
JP2017063685A (en) * 2015-09-29 2017-04-06 株式会社クボタ Tractor

Also Published As

Publication number Publication date
JPH0510564Y2 (en) 1993-03-16

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