ES2123704T3 - Una unidad para elevar las horquillas de las carretillas elevadoras. - Google Patents

Una unidad para elevar las horquillas de las carretillas elevadoras.

Info

Publication number
ES2123704T3
ES2123704T3 ES94200679T ES94200679T ES2123704T3 ES 2123704 T3 ES2123704 T3 ES 2123704T3 ES 94200679 T ES94200679 T ES 94200679T ES 94200679 T ES94200679 T ES 94200679T ES 2123704 T3 ES2123704 T3 ES 2123704T3
Authority
ES
Spain
Prior art keywords
forks
lift
unit
forklift trucks
chamber
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 - Lifetime
Application number
ES94200679T
Other languages
English (en)
Inventor
Luigi Santamaria
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.)
Still SpA
Original Assignee
Fiat Om Carrelli Elevatori SpA
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 by Fiat Om Carrelli Elevatori SpA filed Critical Fiat Om Carrelli Elevatori SpA
Application granted granted Critical
Publication of ES2123704T3 publication Critical patent/ES2123704T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
  • Actuator (AREA)
  • Handcart (AREA)

Abstract

EN UNA UNIDAD PARA ELEVAR LAS HORQUILLAS DE CARRETILLAS ELEVADORAS, USANDO UNO O MAS CILINDROS HIDRAULICOS (19) DE SIMPLE EFECTO PARA ELEVAR O DESCENDER LAS HORQUILLAS, EN DOS CARRERAS OPUESTAS DE FIN DE CURSO, DEL CILINDRO HIDRAULICO (18), MEDIOS DE INTERCEPTACION (37, 34) DETERMINAN UNA DISMINUCION EN LA SECCION TRANSVERSAL DE LA SALIDA DEL FLUIDO ENERGETICO RESPECTIVAMENTE DESDE UNA PRIMERA CAMARA (44) Y DESDE UNA SEGUNDA CAMARA (45), DE VOLUMENES VARIABLES, DENTRO DEL CILINDRO HIDRAULICO (19); ESTO FRENA LA CARRERA DEL PISTON (31) Y ASI DE LA VARILLA DE MANDO (33), QUE ES INTEGRAL CON EL ULTIMO, EVITANDO TENSIONES BRUSCAS QUE PUEDAN APLICARSE A LA CARGA SOBRE LAS HORQUILLAS.
ES94200679T 1993-03-19 1994-03-16 Una unidad para elevar las horquillas de las carretillas elevadoras. Expired - Lifetime ES2123704T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI930528A IT1272114B (it) 1993-03-19 1993-03-19 Unita' di sollevamento delle forche in carrelli elevatori

Publications (1)

Publication Number Publication Date
ES2123704T3 true ES2123704T3 (es) 1999-01-16

Family

ID=11365414

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94200679T Expired - Lifetime ES2123704T3 (es) 1993-03-19 1994-03-16 Una unidad para elevar las horquillas de las carretillas elevadoras.

Country Status (5)

Country Link
EP (1) EP0622331B1 (es)
AT (1) ATE171695T1 (es)
DE (1) DE69413593T2 (es)
ES (1) ES2123704T3 (es)
IT (1) IT1272114B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Hydraulischer Zylinder mit Stoßsicherung
DE19802119A1 (de) * 1998-01-21 1999-07-22 Still Wagner Gmbh & Co Kg Flurförderzeug mit einer Hubvorrichtung
US6557456B2 (en) 2001-05-24 2003-05-06 The Raymond Corporation Cushioned actuator
DE10214864C5 (de) * 2002-04-04 2009-12-17 Linde Material Handling Gmbh Hydraulischer Zylinder mit Endlagendämpfung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1414638A (fr) * 1964-11-25 1965-10-15 Appalette Amortisseur hydraulique réglable de fin de course pour vérins hydrauliques à piston plongeur
FR2024747A1 (es) * 1969-05-02 1970-09-04 Lati Ste
US4006666A (en) * 1975-05-22 1977-02-08 Towmotor Corporation Cushioning device for a hydraulic jack
DE3146845A1 (de) * 1981-11-26 1983-06-01 Wabco Steuerungstechnik GmbH & Co, 3000 Hannover Einrichtung zur endabbremsung des arbeitskolbens eines doppeltwirkenden arbeitszylinders
US4476960A (en) * 1982-08-09 1984-10-16 Towmotor Corporation Adjustable chain anchor for lift trucks
CN1008201B (zh) * 1985-02-28 1990-05-30 株式会社丰田自动织机制作所 具有缓冲流量控制阀装置的液压操作缸

Also Published As

Publication number Publication date
EP0622331A1 (en) 1994-11-02
ITMI930528A1 (it) 1994-09-19
ITMI930528A0 (it) 1993-03-19
DE69413593D1 (de) 1998-11-05
IT1272114B (it) 1997-06-11
DE69413593T2 (de) 1999-03-18
ATE171695T1 (de) 1998-10-15
EP0622331B1 (en) 1998-09-30

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