GB1294249A - Load manipulators for electrically-driven vehicles - Google Patents

Load manipulators for electrically-driven vehicles

Info

Publication number
GB1294249A
GB1294249A GB1473870A GB1473870A GB1294249A GB 1294249 A GB1294249 A GB 1294249A GB 1473870 A GB1473870 A GB 1473870A GB 1473870 A GB1473870 A GB 1473870A GB 1294249 A GB1294249 A GB 1294249A
Authority
GB
United Kingdom
Prior art keywords
pump
displacement
cylinder
load
march
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
Application number
GB1473870A
Other languages
English (en)
Inventor
Per Fryklund
Hakan Ingvast
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB1294249A publication Critical patent/GB1294249A/en
Expired 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
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
GB1473870A 1969-03-31 1970-03-26 Load manipulators for electrically-driven vehicles Expired GB1294249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE448369A SE320471B (enrdf_load_stackoverflow) 1969-03-31 1969-03-31

Publications (1)

Publication Number Publication Date
GB1294249A true GB1294249A (en) 1972-10-25

Family

ID=20264300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1473870A Expired GB1294249A (en) 1969-03-31 1970-03-26 Load manipulators for electrically-driven vehicles

Country Status (4)

Country Link
DE (1) DE2014605A1 (enrdf_load_stackoverflow)
FR (1) FR2041108A1 (enrdf_load_stackoverflow)
GB (1) GB1294249A (enrdf_load_stackoverflow)
SE (1) SE320471B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196758A (en) * 1986-10-30 1988-05-05 Gen Electric Co Plc Hydraulically controlled actuator
US8924103B2 (en) 2011-02-16 2014-12-30 Crown Equipment Corporation Materials handling vehicle estimating a speed of a movable assembly from a lift motor speed
US12312222B2 (en) 2021-12-06 2025-05-27 Danfoss Power Solutions (Jiangsu) Co., Ltd Lifting mechanism

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5396152A (en) * 1977-02-03 1978-08-23 Oil Drive Kogyo Ltd Ram type hydraulic elevator
DE3104549C2 (de) * 1981-02-10 1986-07-10 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Hubvorrichtung
DE3602510A1 (de) * 1986-01-28 1987-07-30 Steinbock Gmbh Hydraulisches hubwerk
DE4317782C2 (de) * 1993-05-28 1996-01-18 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriegetriebene Flurförderzeuge oder dergleichen
DE4402653C2 (de) * 1994-01-29 1997-01-30 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge
DE10005779B4 (de) * 2000-02-10 2007-06-14 Robert Bosch Gmbh Verfahren zur Verbesserung des Anlaufverhaltens einer Vorrichtung beim Übergang vom Pumpen- in den Motorbetrieb

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196758A (en) * 1986-10-30 1988-05-05 Gen Electric Co Plc Hydraulically controlled actuator
GB2196758B (en) * 1986-10-30 1990-11-07 Gen Electric Plc Hydraulically controlled actuator
US8924103B2 (en) 2011-02-16 2014-12-30 Crown Equipment Corporation Materials handling vehicle estimating a speed of a movable assembly from a lift motor speed
US8935058B2 (en) 2011-02-16 2015-01-13 Crown Equipment Corporation Materials handling vehicle estimating a speed of a movable assembly from a lift motor speed
US9296598B2 (en) 2011-02-16 2016-03-29 Crown Equipment Corporation Materials handling vehicle measuring electric current flow into/out of a hydraulic system motor
US9394151B2 (en) 2011-02-16 2016-07-19 Crown Equipment Corporation Materials handling vehicle monitoring a pressure of hydraulic fluid within a hydraulic structure
US9751740B2 (en) 2011-02-16 2017-09-05 Crown Equipment Corporation Materials handling vehicle estimating a speed of a movable assembly from a lift motor speed
US12312222B2 (en) 2021-12-06 2025-05-27 Danfoss Power Solutions (Jiangsu) Co., Ltd Lifting mechanism

Also Published As

Publication number Publication date
SE320471B (enrdf_load_stackoverflow) 1970-02-09
DE2014605A1 (de) 1971-03-04
FR2041108A1 (fr) 1971-01-29

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees