JPH041775U - - Google Patents

Info

Publication number
JPH041775U
JPH041775U JP4187690U JP4187690U JPH041775U JP H041775 U JPH041775 U JP H041775U JP 4187690 U JP4187690 U JP 4187690U JP 4187690 U JP4187690 U JP 4187690U JP H041775 U JPH041775 U JP H041775U
Authority
JP
Japan
Prior art keywords
valve
continuously variable
variable transmission
internal pressure
hydrostatic continuously
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
JP4187690U
Other languages
Japanese (ja)
Other versions
JP2563178Y2 (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 JP1990041876U priority Critical patent/JP2563178Y2/en
Publication of JPH041775U publication Critical patent/JPH041775U/ja
Application granted granted Critical
Publication of JP2563178Y2 publication Critical patent/JP2563178Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Control Of Fluid Gearings (AREA)

Description

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

図面は本考案に係る作業車の実施例を示し、第
１図は開閉弁開操作用の操作アーム付近の正面図
、第２図は開閉弁開操作用の操作アーム付近の側
面図、第３図は静油圧式無段変速装置の油圧回路
図、第４図はモーアの全体平面図、第５図は乗用
型芝刈機の全体側面図である。 ６……静油圧式無段変速装置、７……油圧ポン
プ、８……油圧モータ、９，１０……油路、１１
……バイパス油路、１２……開閉弁、２３……操
作具。 The drawings show an embodiment of the work vehicle according to the present invention, and FIG. 1 is a front view of the vicinity of the operating arm for opening the on-off valve, FIG. 2 is a side view of the vicinity of the operating arm for opening the on-off valve, and FIG. 3 is a side view of the vicinity of the operating arm for opening the on-off valve. The figure is a hydraulic circuit diagram of the hydrostatic continuously variable transmission, FIG. 4 is an overall plan view of the mower, and FIG. 5 is an overall side view of the riding lawn mower. 6... Hydrostatic continuously variable transmission, 7... Hydraulic pump, 8... Hydraulic motor, 9, 10... Oil path, 11
...Bypass oil path, 12...Opening/closing valve, 23...Operation tool.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 静油圧式無段変速装置６の油圧ポンプ７と油圧
モータ８とを接続する伝動用の一対の油路９，１
０をバイパス油路１１で短絡接続し、前記静油圧
式無段変速装置６のケース１４内の内圧が上昇す
るとこの内圧により閉路操作される開閉弁１２を
前記バイパス油路１１に設けると共に、前記開閉
弁１２を開路側に人為操作する操作具２３を備え
てある作業車。 A pair of oil passages 9, 1 for transmission connecting the hydraulic pump 7 and the hydraulic motor 8 of the hydrostatic continuously variable transmission 6.
0 is short-circuited in the bypass oil passage 11, and an on-off valve 12 is provided in the bypass oil passage 11, which is operated to close by the internal pressure when the internal pressure in the case 14 of the hydrostatic continuously variable transmission 6 increases. This work vehicle is equipped with an operating tool 23 for manually operating the on-off valve 12 to the open side.
JP1990041876U 1990-04-19 1990-04-19 Work vehicle Expired - Fee Related JP2563178Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990041876U JP2563178Y2 (en) 1990-04-19 1990-04-19 Work vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990041876U JP2563178Y2 (en) 1990-04-19 1990-04-19 Work vehicle

Publications (2)

Publication Number Publication Date
JPH041775U true JPH041775U (en) 1992-01-08
JP2563178Y2 JP2563178Y2 (en) 1998-02-18

Family

ID=31552922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990041876U Expired - Fee Related JP2563178Y2 (en) 1990-04-19 1990-04-19 Work vehicle

Country Status (1)

Country Link
JP (1) JP2563178Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046726A (en) * 1973-08-25 1975-04-25
JPS5166309A (en) * 1974-12-06 1976-06-08 Shikoku Chem Jinzosekibanno seizoho
JP2010117004A (en) * 2008-11-14 2010-05-27 Kubota Corp Work vehicle
CN115257233A (en) * 2022-08-25 2022-11-01 浙江鼎力机械股份有限公司 Traveling chassis capable of expanding bridge in situ and aerial work platform

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4704938B2 (en) * 2006-03-13 2011-06-22 株式会社クボタ Work vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126452U (en) * 1974-08-17 1976-02-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126452U (en) * 1974-08-17 1976-02-26

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046726A (en) * 1973-08-25 1975-04-25
JPS5166309A (en) * 1974-12-06 1976-06-08 Shikoku Chem Jinzosekibanno seizoho
JP2010117004A (en) * 2008-11-14 2010-05-27 Kubota Corp Work vehicle
CN115257233A (en) * 2022-08-25 2022-11-01 浙江鼎力机械股份有限公司 Traveling chassis capable of expanding bridge in situ and aerial work platform

Also Published As

Publication number Publication date
JP2563178Y2 (en) 1998-02-18

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees