DE3606515C2 - - Google Patents

Info

Publication number
DE3606515C2
DE3606515C2 DE3606515A DE3606515A DE3606515C2 DE 3606515 C2 DE3606515 C2 DE 3606515C2 DE 3606515 A DE3606515 A DE 3606515A DE 3606515 A DE3606515 A DE 3606515A DE 3606515 C2 DE3606515 C2 DE 3606515C2
Authority
DE
Germany
Prior art keywords
piston
cylinder
bore
valve body
piston rod
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.)
Expired - Fee Related
Application number
DE3606515A
Other languages
German (de)
English (en)
Other versions
DE3606515A1 (de
Inventor
Yoshihiro Ikimi
Osamu Kariya Aichi Jp Tsukada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Industries Corp
Original Assignee
Toyoda Jidoshokki Seisakusho KK
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
Priority claimed from JP2879185U external-priority patent/JPS61145796U/ja
Priority claimed from JP2879085U external-priority patent/JPS61145795U/ja
Application filed by Toyoda Jidoshokki Seisakusho KK filed Critical Toyoda Jidoshokki Seisakusho KK
Publication of DE3606515A1 publication Critical patent/DE3606515A1/de
Application granted granted Critical
Publication of DE3606515C2 publication Critical patent/DE3606515C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/08—Masts; Guides; Chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/227—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having an auxiliary cushioning piston within the main piston or the cylinder end face

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Damping Devices (AREA)
DE19863606515 1985-02-28 1986-02-28 Fluidbetaetigtes kolbenzylinderaggregat mit stosssicherung Granted DE3606515A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2879185U JPS61145796U (US06811534-20041102-M00003.png) 1985-02-28 1985-02-28
JP2879085U JPS61145795U (US06811534-20041102-M00003.png) 1985-02-28 1985-02-28

Publications (2)

Publication Number Publication Date
DE3606515A1 DE3606515A1 (de) 1986-08-28
DE3606515C2 true DE3606515C2 (US06811534-20041102-M00003.png) 1993-01-21

Family

ID=26366937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863606515 Granted DE3606515A1 (de) 1985-02-28 1986-02-28 Fluidbetaetigtes kolbenzylinderaggregat mit stosssicherung

Country Status (3)

Country Link
US (1) US4706781A (US06811534-20041102-M00003.png)
CN (1) CN1008201B (US06811534-20041102-M00003.png)
DE (1) DE3606515A1 (US06811534-20041102-M00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314690A1 (de) * 1993-05-04 1994-11-17 Hydraulik Nord Gmbh Hydraulikzylinder mit Endlagenbremsventil

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234013A (en) * 1989-07-21 1991-01-23 Nat Oilwell Fluid-operated actuator
US5125325A (en) * 1990-12-18 1992-06-30 John Crossno Piston with cushioning spear having exhaust ports therein
DE69307952T2 (de) 1992-06-22 1997-09-04 Bayne Machine Works Inc Hub-Kippvorrichtung zum Heben und Kippen eines Müllbehälters
US5308211A (en) * 1992-06-22 1994-05-03 Bayne Machine Works, Inc. Residential refuse collection cart lifter with universal features
IT1272114B (it) * 1993-03-19 1997-06-11 Fiat Om Carrelli Elevatori Spa Unita' di sollevamento delle forche in carrelli elevatori
KR960029256U (ko) * 1995-02-28 1996-09-17 유압실린더의 쿠션장치
US5694827A (en) * 1996-01-02 1997-12-09 Euclid-Hitachi Heavy Equipment, Inc. Dump body cushion
SE509643C2 (sv) * 1996-03-06 1999-02-15 Pos Line Ab Enkelverkande pneumatisk kolv-cylinderenhet
JPH10122205A (ja) * 1996-10-21 1998-05-12 Kayaba Ind Co Ltd 油圧シリンダ
US5680913A (en) * 1996-11-22 1997-10-28 Caterpillar Inc. Snubber for a hydraulic motor
DE19710556C2 (de) * 1997-03-14 1999-03-11 Jungheinrich Ag Ausfahrbare Mastkonstruktion für einen Hubwagen
DE29707639U1 (de) 1997-04-28 1997-08-21 Still GmbH, 22113 Hamburg Hydraulischer Zylinder mit Stoßsicherung
DE19802119A1 (de) * 1998-01-21 1999-07-22 Still Wagner Gmbh & Co Kg Flurförderzeug mit einer Hubvorrichtung
US5984609A (en) * 1998-02-23 1999-11-16 Mcneilus Truck And Manufacturing, Inc. Lifting and tipping mechanism for front loading refuse truck
US6186043B1 (en) 1999-04-05 2001-02-13 Deere & Company Cushion hydraulic cylinder
EP1190928A1 (en) * 2000-09-21 2002-03-27 Anders Fransson Spring device for the support wheels of a forklift truck
US6557456B2 (en) * 2001-05-24 2003-05-06 The Raymond Corporation Cushioned actuator
FR2876757A1 (fr) * 2004-10-15 2006-04-21 Realisarions Tech Appliquees S Verin, de preference double effet, a amortisseur de fin de course
US20070068740A1 (en) * 2005-09-27 2007-03-29 David Langenkamp Fluid supply hose coupling structure for a materials handling vehicle
CN100350160C (zh) * 2005-12-16 2007-11-21 上海汽车股份有限公司 带有缓冲和微调行程机构的三定位气动套缸
DE102007021052A1 (de) * 2007-05-04 2008-11-06 Jungheinrich Ag Hydraulikzylinder mit veränderlicher Endlagendämpfung
DE102009011865B4 (de) * 2009-03-05 2021-11-18 Jungheinrich Aktiengesellschaft Hubvorrichtung für ein Flurförderzeug
EP2586964A1 (en) * 2011-10-28 2013-05-01 Welltec A/S Inflow control device
JP5429830B2 (ja) * 2012-03-26 2014-02-26 株式会社伊丹精機 リフトシリンダ及びそれを備えたフォークリフト
CN103470568A (zh) * 2013-09-25 2013-12-25 浙江美科斯叉车有限公司 一种无回油口油缸
CN104047924B (zh) * 2014-07-08 2016-01-13 常州市新墅机床数控设备有限公司 行程末端缓冲的锁紧油缸结构
US9926178B2 (en) 2014-08-20 2018-03-27 Crown Equipment Corporation Actuator in a lift truck
US10202988B2 (en) * 2016-06-17 2019-02-12 Deere & Company Cushion mechanism for a hydraulic cylinder
CN106246635B (zh) * 2016-08-29 2018-07-24 浙江品创知识产权服务有限公司 自泄压活塞杆
CN106762939A (zh) * 2016-12-06 2017-05-31 泸州长江液压密封件有限公司 一种用于控制夹持钻机钻头的液压结构
CN111412191B (zh) * 2019-06-05 2021-10-08 浙江厚达智能科技股份有限公司 中药生产用驱动机构
CN113374757B (zh) * 2021-08-16 2021-11-02 招远华丰机械设备有限公司 一种具有保护装置的矿用设备液压油缸

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA451779A (en) * 1948-10-12 Bendix Aviation Corporation Hydraulic cylinder and piston structure
US1141447A (en) * 1914-12-29 1915-06-01 Oscar Dellwitz Rolling-machine.
US2078780A (en) * 1936-04-03 1937-04-27 Ingersoll Rand Co Feeding device
US2951558A (en) * 1957-05-02 1960-09-06 Allis Chalmers Mfg Co Shock absorbing device
US3023739A (en) * 1960-05-02 1962-03-06 Fairchild Engine & Airplane Co High speed pneumatic actuator
FR1356328A (fr) * 1963-02-11 1964-03-27 Westinghouse Freins & Signaux Vérin à rappel pneumatique, notamment pour appareil percuteur
DE2254495A1 (de) * 1972-11-07 1974-05-22 Zettelmeyer Fa Hubert Vorrichtung zur daempfung des anschlagens von gegeneinander beweglichen, durch hydraulikzylinder gekuppelten teilen
FR2288896A1 (fr) * 1974-10-21 1976-05-21 Poclain Sa Verin
US3974910A (en) * 1975-02-28 1976-08-17 Papai Imre F Fluid cylinder decelerating means
US4207802A (en) * 1978-04-05 1980-06-17 Homuth Kenneth C Hydraulic cylinder with improved dashpot and porting
US4250793A (en) * 1978-11-20 1981-02-17 Caterpillar Tractor Co. Cushioning device for fluid jacks
GB2131119B (en) * 1982-11-30 1987-06-03 Wipac Group Sales A fluid-damped piston & cylinder assembly
AT387626B (de) * 1983-11-16 1989-02-27 Wabco Westinghouse Gmbh Pneumatischer arbeitszylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314690A1 (de) * 1993-05-04 1994-11-17 Hydraulik Nord Gmbh Hydraulikzylinder mit Endlagenbremsventil

Also Published As

Publication number Publication date
US4706781A (en) 1987-11-17
DE3606515A1 (de) 1986-08-28
CN86102023A (zh) 1986-09-24
CN1008201B (zh) 1990-05-30

Similar Documents

Publication Publication Date Title
DE3606515C2 (US06811534-20041102-M00003.png)
DE4019221C2 (de) Stoßdämpfer mit variabler Dämpfungskraft
DE3932669C2 (de) Hydraulischer Stoßdämpfer
DE3901032C1 (US06811534-20041102-M00003.png)
DE10016641C2 (de) Schwingungsdämpfer mit Zuganschlag
EP0325958B1 (de) Hydraulisch gesteuertes Ventil
DE1256485B (de) Hydraulischer Stossdaempfer
EP0207409A2 (de) Ventilsystem für steurbare, hydraulische Schwingungsdämpfer
DE102010000574B4 (de) Gasfeder mit verzögerter Rückstellung
DE2264139A1 (de) Hydraulischer stossdaempfer
DE3532293A1 (de) Schwingungsdaempfer mit veraenderbarer daempfkraft
DE2632440C2 (de) Brennkraftmaschine mit veränderlichem Kompressionsverhältnis
DE3202203A1 (de) Stossdaempfer
DE2452878C3 (de) Zerstäuberpumpe für in einem Behälter enthaltene Flüssigkeit
DE2945911C2 (US06811534-20041102-M00003.png)
DE1233285B (de) Hydraulik-Stossdaempfer fuer Steuerregler von Fluessigkeitsverteilern zum Aufrechterhalten der Hoehenlage eines Fahrzeugaufbaues oder -rahmens
DE2356185C2 (de) Hydropneumatischer Stoßdämpfer
DE60113506T2 (de) Ueberdruckventil mit einem steuerventil, dass einen radialen daempfungsmechanismus aufweist
DE2832640A1 (de) Hydraulischer stossdaempfer
DE69011442T2 (de) Gehäuse für reversierbares Spindelventil.
DE2223292B2 (de) Hydraulisch betaetigbares schlaggeraet
DE2937701C2 (US06811534-20041102-M00003.png)
DE4423526C1 (de) Schwingungsdämpfer mit verstellbarer Dämpfkraft
DE2223037C2 (de) Stoßdämpfer
DE3828025A1 (de) Daempfungssystem fuer fluid-zylinder

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: F15B 15/22

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee