EP1661490A1 - Table régable en hauteur à pieds croisés - Google Patents

Table régable en hauteur à pieds croisés Download PDF

Info

Publication number: EP1661490A1
Authority: EP; European Patent Office
Prior art keywords: scissor; platform; lever; lift table; table according
Prior art date: 2004-11-25
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

EP05111340A

Other languages

German (de)

English (en)

Other versions

EP1661490B1 (fr

Inventor

Ernst Langewellpott

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.)

Individual

Original Assignee

Individual

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.)

2004-11-25

Filing date

2005-11-25

Publication date

2006-05-31

2005-11-25 Application filed by Individual filed Critical Individual

2006-05-31 Publication of EP1661490A1 publication Critical patent/EP1661490A1/fr

2010-06-16 Application granted granted Critical

2010-06-16 Publication of EP1661490B1 publication Critical patent/EP1661490B1/fr

2025-11-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs

Definitions

the present invention relates to a scissors lift table with a platform which can be spaced from the ground by pivoting in front of below the platform arranged Scherengliedem.
a generic scissor lift table is known from DE 199 16 509, in which the scissor links, which are connected to each other at a common axis of rotation, are pivoted against each other by means of a spindle drive, which is arranged between the legs of the scissor links, which are adjacent to the platform and they can move towards each other.
a spindle drive which is arranged between the legs of the scissor links, which are adjacent to the platform and they can move towards each other.
This lever is also hinged to a second rocker arm, whose other end is hinged to the upper leg of that scissor member on which the spreader 40 is guided, but in a region between spreader 40 and the common axis of rotation.
a second rocker arm whose other end is hinged to the upper leg of that scissor member on which the spreader 40 is guided, but in a region between spreader 40 and the common axis of rotation.
a scissor lift table with at least one pair of scissor members 20, 30 and a platform 1 arranged above it, in which the pair of scissor members 20, 30 is connected to one another rotatably in a common axis of rotation 2.
the description refers to a pair of scissor members, but preferably two of which are arranged parallel to each other below the platform and several can be arranged behind each other, so that in each case a pair of scissor members is articulated with its first ends to the second ends of a further pair of scissor members ,
An expansion body 40 is arranged displaceably on a first guide track, which is located on the upper leg 31.
the expansion body 40 is drivable in the direction of the upper leg 21 movable.
the movable drive of the expansion body 40 in the direction of the upper leg 21 can be realized by a known spindle drive with motor 42 and spindle 41 which is disposed between the upper leg 21 and the spreader 40 to the distance between spreader 40 and the point of application 23rd of the spindle drive on the upper leg 21 to change.
the point of application of the 23 at the top leg 21 may be designed as a pivotal mounting.
the spindle nut is preferably included in the expansion body 40, in which the spindle 41 is rotatably mounted.
a spindle drive moves the spreader 40 toward or away from the point of application 23, the point 23 is located in the region of the upper leg 21 of the scissor member 20, or indirectly with this is bound, for example by attachment to the platform, so that when moving the spreader 40 by rotation of a spindle which is guided in a spindle nut of the spreader 40, spreader 40 and point 23 can be moved toward or away from each other.
the spreader 40 is drivable by at least one belt drive in the direction of the point of application 23 drivable.
Such a belt drive is controlled by a motor drive shortened and extendable, for example, by a motor-driven worm gear is controllable to the belt by means of driven rollers on or unwind.
a motor drive shortened and extendable for example, by a motor-driven worm gear is controllable to the belt by means of driven rollers on or unwind.
the length of the belt 43 controlled between spreader 40 and point 23 can be shortened or extended, while the motor drive between point 23 and spreader 40 may be arranged, or the belt may be connected via a first guide roller 44, which is arranged in the point of application 23, and a second deflection roller 45, which is arranged in the region of the common axis of rotation 2, to be deflected and be shortened and extendable by a motor drive, which is arranged on the lower leg 32.
the expansion body 40 is articulated at a first end 51 of a first lever 50, the second end 52 of this first lever 50 being articulated at a first end 61 of a second lever 60.
the second end 62 of the second lever 60 is slidably guided on a second guide track 34, which is arranged on the lower leg 32 of the second scissor member 30.
the second guideway 34 is located above the second end 62, i. between the second end 62 and platform 1, so that the second end 62 runs from below against the second guide track 34.
the second lever 60 is pivotally mounted on the lower leg 22 in its pivot point 63. This pivot point 63 is disposed between the first end 61 and the second end 62 of the second lever 60.
first lever 50 which is arranged between spreader 40 and second lever 60, wherein the lever 60 is articulated on the lower leg 22 in the pivot point 63, causes the forces required when lifting or lowering the platform 1, the forces between spreader 40 and attack point 23 are to be reduced and are about the same size over the entire pivoting range.
This uniform force relationships between open and closed state of the scissor members 20 and 30 with raised or lowered platform 1 result in the inventive scissor lift table from the fact that the second pivot arm 60 as an additional lever between the second guide track on the lower leg 32 and the first Lever 50 acts around its pivot point 60, so that the first lever 50 supports the expansion body 40, the upper leg 1 move toward each other when a force between spreader 40 and point 23 acts and these moves toward each other.
the first guide track 33 is designed in its upper portion 33A, which is arranged in the direction of the upper leg 31, in the form of a curved upward curve in the direction of the platform, while its lower portion 33B, which in the direction of the has common axis of rotation 2, approximately in a straight line parallel or at a shallow angle inclined to the upper leg 31 is designed.
the second guide track 34 on the lower leg 32 may be approximately straight, approximately parallel to the lower leg 32, or at a slight angle thereto.
the second guideway 34 in the form of a cam control in an upper portion 34A facing towards the common axis of rotation 2 has an arcuate course directed towards the platform 1 facing towards the bottom, i. to the side facing away from the platform 1 of the lower leg 32 is open and concave and slidably receives the second end 62 of the second lever 60, while an adjacent lower portion 34 B of the second guide track 34 in the direction away from the common axis of rotation 2 approximately parallel to the lower Leg 32 may be linear or may have a curved course, which bulges slightly convex towards the bottom.
a particularly favorable lever ratio is made possible in particular when lifting the platform from the lowermost position, since the second end 62 of the second pivot lever 60 in the upper portion 34A of the second guideway 34 is displaceable, so that with little movement the upper legs 21 and 31 to each other to substantially no change in position of the second end 62 of the second lever 60 takes place.
the first lever 50 in this position the movement of the spreader 40 particularly favorable on the first guide track 33, while in a further raised state of the platform 1, the second end 62 of the second lever 60 in the lower portion 34 B of the second guide track 34 passes , so now the movement of the lower leg 32 down, ie opposite the platform 1 causes its first end 61 to move upwards, i. is pivoted in the direction of the platform 1, so that the first lever 50 transmits this upward movement on the spreader 40 on.

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mechanical Engineering (AREA)
Structural Engineering (AREA)
Preliminary Treatment Of Fibers (AREA)
Sewing Machines And Sewing (AREA)
Knitting Machines (AREA)
Sowing (AREA)
Forklifts And Lifting Vehicles (AREA)

EP05111340A 2004-11-25 2005-11-25 Table régable en hauteur à pieds croisés Expired - Lifetime EP1661490B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102004057055A DE102004057055A1 (de)	2004-11-25	2004-11-25	Scheren-Hubtisch

Publications (2)

Publication Number	Publication Date
EP1661490A1 true EP1661490A1 (fr)	2006-05-31
EP1661490B1 EP1661490B1 (fr)	2010-06-16

Family

ID=35768633

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05111340A Expired - Lifetime EP1661490B1 (fr)	2004-11-25	2005-11-25	Table régable en hauteur à pieds croisés

Country Status (3)

Country	Link
EP (1)	EP1661490B1 (fr)
AT (1)	ATE471092T1 (fr)
DE (2)	DE102004057055A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2897049A1 (fr) *	2006-02-09	2007-08-10	Mathieu Tep	Table elevatrice a pietements articules.
US8967057B2 (en)	2012-11-02	2015-03-03	South Essex Fabricating Inc.	Vertically adjustable platform system
US9961989B2 (en)	2016-03-07	2018-05-08	Marc Stefan Witt	Radial scissor lift table and method
US10201895B2 (en) *	2015-02-04	2019-02-12	Affinity Tool Works, Llc	Collapsible mobile work bench and tool support stand
CN119036411A (zh) *	2024-08-02	2024-11-29	哈尔滨工业大学	一种直线驱动的多自由度的升降平台

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4585212A (en) *	1984-12-07	1986-04-29	International Business Machines Corporation	Lift device of the scissor-jack type
US4858888A (en) *	1988-07-11	1989-08-22	Onelio Cruz	Platform lifting mechanism
DE19526596A1 (de) *	1995-07-21	1997-01-23	Reinhard Clamor	Scherenhubtisch
EP1044923A2 (fr) *	1999-04-13	2000-10-18	Langewellpott, Eva-Maria	Plate- forme à ciseaux pour lever des objets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3502641A1 (de) *	1985-01-26	1986-07-31	Mannesmann AG, 4000 Düsseldorf	Scherenhubvorrichtung
DK69898A (da) *	1998-05-20	1999-11-21	Hans Balle Christensen	Løftemekanisme

2004
- 2004-11-25 DE DE102004057055A patent/DE102004057055A1/de not_active Withdrawn
2005
- 2005-11-25 AT AT05111340T patent/ATE471092T1/de active
- 2005-11-25 DE DE502005009750T patent/DE502005009750D1/de not_active Expired - Lifetime
- 2005-11-25 EP EP05111340A patent/EP1661490B1/fr not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4585212A (en) *	1984-12-07	1986-04-29	International Business Machines Corporation	Lift device of the scissor-jack type
US4858888A (en) *	1988-07-11	1989-08-22	Onelio Cruz	Platform lifting mechanism
DE19526596A1 (de) *	1995-07-21	1997-01-23	Reinhard Clamor	Scherenhubtisch
EP1044923A2 (fr) *	1999-04-13	2000-10-18	Langewellpott, Eva-Maria	Plate- forme à ciseaux pour lever des objets
DE19916509C1 (de)	1999-04-13	2001-01-04	Langewellpott Eva Maria	Scheren-Hubtisch mit einer Plattform zur Aufnahme von zu hebenden Gegenständen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2897049A1 (fr) *	2006-02-09	2007-08-10	Mathieu Tep	Table elevatrice a pietements articules.
WO2007090954A1 (fr) *	2006-02-09	2007-08-16	Mathieu Tep	Table elevatrice a pietements articules
US8967057B2 (en)	2012-11-02	2015-03-03	South Essex Fabricating Inc.	Vertically adjustable platform system
US10201895B2 (en) *	2015-02-04	2019-02-12	Affinity Tool Works, Llc	Collapsible mobile work bench and tool support stand
US9961989B2 (en)	2016-03-07	2018-05-08	Marc Stefan Witt	Radial scissor lift table and method
CN119036411A (zh) *	2024-08-02	2024-11-29	哈尔滨工业大学	一种直线驱动的多自由度的升降平台

Also Published As

Publication number	Publication date
ATE471092T1 (de)	2010-07-15
EP1661490B1 (fr)	2010-06-16
DE102004057055A1 (de)	2006-06-01
DE502005009750D1 (de)	2010-07-29

Publication	Publication Date	Title
EP2054195B1 (fr)	2018-09-05	Pince avec axe d'articulation mobile contre la force d'un ressort
DE60116660T2 (de)	2006-07-13	Mechanismus zur betätigung einer fahrzeugtür
DE2327260B2 (de)	1979-03-01	Maschine zur Bearbeitung frischbetonierter Oberflächen
DE102007056266B4 (de)	2016-05-12	Presse
EP0017765A1 (fr)	1980-10-29	Dispositif de levage hydraulique
DE3705330A1 (de)	1988-09-01	Tisch
EP1421876B1 (fr)	2006-01-25	Dispositif de réglage d'une façade frontale pour tiroirs
EP1661490B1 (fr)	2010-06-16	Table régable en hauteur à pieds croisés
DE102013105095A1 (de)	2014-08-14	Verstellvorrichtung für einen Fahrzeugsitz
DE102010046845A1 (de)	2012-03-29	Operationstisch
DE60304403T2 (de)	2007-04-12	Scherenhubvorrichtung
DE3037851C2 (de)	1986-12-04	Fensterheber, insbesondere für Kraftfahrzeuge
DE102005043019B4 (de)	2008-02-14	Fahrzeugdach mit mindestens zwei Deckelelementen
WO2009135473A1 (fr)	2009-11-12	Porte sectionnelle
DE3207177C2 (de)	1984-02-16	Tisch mit einer in der Höhe und in der Neigung verstellbaren Tischplatte
DE835998C (de)	1952-04-07	Schaltvorrichtung fuer eine schmiegsame oder starre Wandung, insbesondere fuer Wagendach- oder Verdeckteile
EP2267257B1 (fr)	2011-10-19	Dispositif de blocage
EP1878362A1 (fr)	2008-01-16	Sommier réglable
DE102004030269B4 (de)	2006-08-03	Tischkreissäge
DE102006003002B3 (de)	2007-03-08	Ventiltrieb für Ladungswechselventile von Verbrennungsmotoren
DE3042829C2 (de)	1983-02-24	Betätigungsgetriebe für Treibstangenbeschläge o.dgl.
EP1002591A2 (fr)	2000-05-24	Appareil pour le pliage par étirage de barres ou profilés métalliques
DE4126600C2 (de)	1996-08-01	Transportgreifer mit Sperreinrichtung
DE2347900A1 (de)	1974-04-04	Vorrichtung zum blockieren von raedern von verfahrbaren gegenstaenden, wie krankenhausbetten, bahren, tische u. dgl
DE19525052B4 (de)	2006-03-23	Scherenhebebühne

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