EP1281659A1 - Scherenhebevorrichtung mit versenkbaren Rädern - Google Patents

Scherenhebevorrichtung mit versenkbaren Rädern Download PDF

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Publication number
EP1281659A1
EP1281659A1 EP02016194A EP02016194A EP1281659A1 EP 1281659 A1 EP1281659 A1 EP 1281659A1 EP 02016194 A EP02016194 A EP 02016194A EP 02016194 A EP02016194 A EP 02016194A EP 1281659 A1 EP1281659 A1 EP 1281659A1
Authority
EP
European Patent Office
Prior art keywords
base
kinematic
wheel
platform
arm
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.)
Withdrawn
Application number
EP02016194A
Other languages
English (en)
French (fr)
Inventor
Mauro Donati
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.)
Bolzoni SpA
Original Assignee
Bolzoni 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 Bolzoni SpA filed Critical Bolzoni SpA
Publication of EP1281659A1 publication Critical patent/EP1281659A1/de
Withdrawn legal-status Critical Current

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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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor

Definitions

  • the present invention relates to a pantograph elevator platform of a type merely resting on the ground, provided with devises enabling lifting of the platform on wheels through operation of the pantograph to enable displacement of the platform.
  • pantograph elevator platforms of small capacity and in particular of reduced thickness often contemplates their mere resting on the ground, without pits for receiving the base and the kinematic mechanism being required. Since these platforms do not require particular environment equipping, they are likely to be transferred to different use places. For instance, in the case of platforms of unfrequent use, instead of having as many platforms as the places where they are to be employed, availability of a reduced number of platforms is preferred and they are moved from one place to another depending on current requirements. However tackles or lifts for transportation of same are not always available.
  • Transportation devices have been proposed in the known art which comprise fixed wheels to be disposed on one side of the platform and a drawbar with wheels and lifting hook to be fitted on the other side. In use these devices must be hooked to the platform, and the drawbar must be manually lowered to cause a thrust from the ground for lifting of the whole platform. The drawbar must then be forcedly maintained to a lowered position during the whole travel. Therefore a great effort is required by this system for the purpose of combining the continuous manual lifting action with the thrust action for displacement and it is therefore only suitable for very small and light-in-weight platforms.
  • a pantograph elevator platform which comprises a base designed to rest on the ground during use and from which a kinematic pantograph mechanism rises, which mechanism is operable for lifting of a loading flatbed from the base, characterised in that it comprises wheel assemblies that are susceptible of engagement in said kinematic mechanism to drivingly lift said base from the ground upon movement of the loading flatbed with respect to the base thereby enabling displacement thereof.
  • a pantograph elevator platform generally identified by 10 is shown.
  • Fig. 1 the platform can be seen in a raised position.
  • the platform comprises a base 11 designed to rest on the ground during use and from which a kinematic pantograph mechanism 23 rises which is operable to lift a loading flatbed 12 from the base.
  • the kinematic mechanism 23 comprises a first and a second pantograph portions consisting of arms 13, 14 articulated on each other in an intermediate position at 15 and having an end 16, 17 pivotally mounted on the loading flatbed and the base respectively and the opposite end 18, 19 sliding along the loading flatbed and base, respectively.
  • Actuators 20 control movement of the kinematic mechanism for lifting and lowering of the loading flatbed.
  • Platform 10 comprises wheel assemblies 21, 22 that can be engaged in said kinematic mechanism 23 to drivingly lift the base 11 from the ground upon movement of the loading flatbed relative to the base and enable displacement thereof.
  • the insertable wheel assemblies are completely removable from the platform when not in use.
  • the first wheel assemblies 22 each comprise an arm 24 to which a wheel 25 is pivotally mounted, said wheel being received in a removable manner in an appropriate seat 26 formed in the arm 14 of the kinematic pantograph mechanism to substantially constitute an extension thereof out of the base platform.
  • the seat 26 can be a mere square sleeve welded to the side of arm 14.
  • a clip 28 (a spring clip, for example) may be also provided to prevent accidental slipping off of arm 24 from seat 26.
  • a second wheel assembly 21 comprises an arm 27 on which a wheel 29 is pivotally mounted at one end thereof.
  • This arm 27 is pivotally mounted to the base at an intermediate position, at 30, and has the other end 31 slidably resting on a portion of the kinematic pantograph mechanism for rotation about its pivoting point upon movement of the kinematic mechanism. In this way, wheel 29 comes into contact with the ground and raises the platform from the ground when the kinematic pantograph mechanism is driven.
  • This second wheel assembly is advantageously disposed on the side of the kinematic pantograph mechanism portion which is slidable on the base and the support arm 27 of the wheel grows longer to slidably rest on a crosspiece 34 of that portion of the pantograph kinematic mechanism, as clearly shown in Fig. 2.
  • the arm of the second wheel assembly is removably mounted on the pivoting point (as viewed from Fig. 2) so that it can be slipped off and removed when not in use.
  • arm 27 can contemplate other means for disengagement from the kinematic mechanism while keeping the wheel assembly mounted thereon.
  • arm 27 can be of the folding type and can be bent at an intermediate position after unlocking of a bolt, or the arm can be also pivotally mounted according to a vertical axis 32 so as to rotate sideways until coming out of the interference region with the kinematic mechanism.
  • side guide elements 33 may be provided on the crosspiece 34.
EP02016194A 2001-08-03 2002-07-22 Scherenhebevorrichtung mit versenkbaren Rädern Withdrawn EP1281659A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20011722 2001-08-03
IT2001MI001722A ITMI20011722A1 (it) 2001-08-03 2001-08-03 Piattaforma elevatrice a pantografo con dispositivi di autosollevamento per lo spostamento

Publications (1)

Publication Number Publication Date
EP1281659A1 true EP1281659A1 (de) 2003-02-05

Family

ID=11448241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02016194A Withdrawn EP1281659A1 (de) 2001-08-03 2002-07-22 Scherenhebevorrichtung mit versenkbaren Rädern

Country Status (2)

Country Link
EP (1) EP1281659A1 (de)
IT (1) ITMI20011722A1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005044714A1 (en) * 2003-11-07 2005-05-19 Maarten Van Dalsen Load displacer
GB2423760A (en) * 2005-01-26 2006-09-06 Aftec Ltd Mobile scissor lift
EP1827346A1 (de) * 2004-12-17 2007-09-05 John Koorey Betthebesystem
DE102008062026A1 (de) * 2008-12-12 2010-06-17 Dürr Systems GmbH Montagevorrichtung zur Strukturmontage
ITPI20080132A1 (it) * 2008-12-19 2010-06-20 Dino Sodini Struttura di sollevamento per veicoli
AU2012200518B2 (en) * 2004-12-17 2015-01-15 John Koorey Bed lifting system
EP3092918A1 (de) * 2015-05-12 2016-11-16 Kathrin Campo Fahrbarer beistelltisch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840210A (en) * 1973-06-05 1974-10-08 R Hollingsworth Skid jack for mobile homes
DE19530369A1 (de) * 1994-09-16 1996-03-21 Wolfgang Haupt Vorrichtung zum Heben von Kraftfahrzeugen
DE19612626A1 (de) * 1996-03-29 1997-10-02 Hydro Geraetebau Gmbh & Co Kg Gerät zum Positionieren und Transportieren von Flugzeugtriebwerken

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840210A (en) * 1973-06-05 1974-10-08 R Hollingsworth Skid jack for mobile homes
DE19530369A1 (de) * 1994-09-16 1996-03-21 Wolfgang Haupt Vorrichtung zum Heben von Kraftfahrzeugen
DE19612626A1 (de) * 1996-03-29 1997-10-02 Hydro Geraetebau Gmbh & Co Kg Gerät zum Positionieren und Transportieren von Flugzeugtriebwerken

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005044714A1 (en) * 2003-11-07 2005-05-19 Maarten Van Dalsen Load displacer
EP1827346A1 (de) * 2004-12-17 2007-09-05 John Koorey Betthebesystem
US7757313B2 (en) 2004-12-17 2010-07-20 John Koorey Bed lifting system
EP1827346A4 (de) * 2004-12-17 2013-12-25 John Koorey Betthebesystem
AU2012200518B2 (en) * 2004-12-17 2015-01-15 John Koorey Bed lifting system
GB2423760A (en) * 2005-01-26 2006-09-06 Aftec Ltd Mobile scissor lift
DE102008062026A1 (de) * 2008-12-12 2010-06-17 Dürr Systems GmbH Montagevorrichtung zur Strukturmontage
ITPI20080132A1 (it) * 2008-12-19 2010-06-20 Dino Sodini Struttura di sollevamento per veicoli
WO2010070443A2 (en) * 2008-12-19 2010-06-24 Dino Sodini Vehicle lifting structure
WO2010070443A3 (en) * 2008-12-19 2010-08-19 Dino Sodini Vehicle lifting structure
EP3092918A1 (de) * 2015-05-12 2016-11-16 Kathrin Campo Fahrbarer beistelltisch

Also Published As

Publication number Publication date
ITMI20011722A0 (it) 2001-08-03
ITMI20011722A1 (it) 2003-02-03

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