EP0379262B1 - Höhenverstellbarer Tisch - Google Patents

Höhenverstellbarer Tisch Download PDF

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Publication number
EP0379262B1
EP0379262B1 EP90200140A EP90200140A EP0379262B1 EP 0379262 B1 EP0379262 B1 EP 0379262B1 EP 90200140 A EP90200140 A EP 90200140A EP 90200140 A EP90200140 A EP 90200140A EP 0379262 B1 EP0379262 B1 EP 0379262B1
Authority
EP
European Patent Office
Prior art keywords
leg
height
table top
connecting member
legs
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
EP90200140A
Other languages
English (en)
French (fr)
Other versions
EP0379262A1 (de
Inventor
Wil Van Engeland
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.)
VAN ENGELAND MANAGEMENT BV
Original Assignee
VAN ENGELAND MANAGEMENT BV
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 VAN ENGELAND MANAGEMENT BV filed Critical VAN ENGELAND MANAGEMENT BV
Publication of EP0379262A1 publication Critical patent/EP0379262A1/de
Application granted granted Critical
Publication of EP0379262B1 publication Critical patent/EP0379262B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A47B9/04—Tables with tops of variable height with vertical spindle
    • 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
    • A47B17/00—Writing-tables
    • A47B17/02—Writing-tables with vertically-adjustable parts
    • 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
    • A47B9/04—Tables with tops of variable height with vertical spindle
    • A47B2009/043—Tables with tops of variable height with vertical spindle with means connecting the spindles of the various legs
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0001—Tops
    • A47B2200/0002—Corner desk

Definitions

  • the invention relates to a height-adjustable table comprising at least two legs of adjustable length, each comprising: two leg portions telescopically slidable relative to one another and fixable in a chosen position, the lower of which may optionally support via a foot on the ground and the upper of which is coupled to a table top with coupling means, and drive means for sliding the leg portions relative to one another and coupling means for joint sliding of said leg portions of all legs such that these always have the same length, which drive means comprise: an operating mechanism such as a hand-operable crank or motor, a screw spindle and a nut co-acting therewith, of which the one is connected fixedly to the one portion of a leg and the other is connected rotatably and axially locked to the other portion of this leg and which can be set into rotation by said operating mechanism, each screw spindle being connected with a right angle transmission gear accommodated in the related leg and provided with a first non-round connecting member accessible from outside the leg; and a torsion-stiff
  • the table can display in a preferred embodiment the special feature that the or each leg is coupled to the table top by means of a screw-nut connection having at least one axially running interruption embodied such that the screw and the nut can pass over one another freely therethrough in axial direction and can be coupled and tightened through rotation.
  • a connection which is more or less akin to a known closure of for instance a jam jar, during the fitting of a leg, after reaching an axial position in which resistance can be felt, coupling of nut and screw can be carried out by rotation through a comparatively small angle and the connection can be tightened firmly, and in principle permanently, by continued turning.
  • a user taking a seat at a table according to the invention must in a short time preferably be able first to effect a roughly correct adjustment.
  • a table suitable therefor is preferably characterized to this end by measuring means for measuring the height of the table top and display means for visual display thereof.
  • a user can in this way adjust the table top to the average optimal height in a very short time.
  • the user can carry out small corrections in order to adjust the table to the specific, individual, optimal working height.
  • Fig. 1 shows a table 1 with four legs 2 which are of the height-adjustable type according to the invention. These legs rest by means of feet 3, 4 on the ground. Using a hand operated crank 5 the leg 2 furthest to the right can be height adjusted via an operating rod 6 in a manner to be described hereinafter. By means of torsion-free coupling rods 7, 8, 9 the length of the other three legs can also be adjusted.
  • a measuring means 10 is connected in the manner shown in fig. 4 to the crank 5 for displaying to the user the height of the table top 11.
  • Each of the legs 2 comprises two leg portions telescopically slidable relative to one another and fixable in a chosen position, namely a lower leg portion 12 and an upper leg portion 13.
  • the upper leg portion 13 is connected to the table top 11 by means of coupling means to be described hereinafter.
  • Fig. 2 shows the manner in which the upper leg portion 13 is connected to the table top 11.
  • a transmission unit 14 is arranged fixedly at the top end of the upper leg portion 13. Via a hole 15 in this leg portion 13 a drive sleeve 16 (see also fig. 3) of square inner shape is accessible for coupling to the coupling end 17 of a coupling rod 18.
  • a drive sleeve 16 Fixedly connected to the sleeve 16, which is provided internally with a pressure spring 19, is a bevel gear wheel 20 that co-acts with a second bevel gear wheel 21 rotatable about a vertical centre line, which wheel in turn is connected to a screw spindle 22.
  • Co-acting with this screw spindle 22 is a nut unit 23 which is connected to the lower leg portion 12.
  • the transmission unit 14 co-acts with the table top via a hole 24 therein and supports the top 11 by means of a flange 25.
  • An internal screw thread 26 can co-act with a corresponding screw bolt 27 with screw thread 28. Because the screw threads 26 and 28 are interrupted locally they can, through correct positioning, freely pass over axially and subsequently, as a result of a limited rotation, be coupled to one another and be tightened by exertion of a sufficiently large moment.
  • the head 29 of the screw bolt 27 can support on an internal flange 30 in the hole 24 such that its upper face lies in the same plane as the upper face of the table top 11.
  • Fig. 4 shows the height adjusting crank 5. This connected for driving via the coupling rod 18 to the transmission unit 14 shown in fig. 2. Via a right angle transmission consisting of two bevel gear wheels 31, 32 and a planetary system 33 the spindle 18 also drives a pointer 34, with a large reduction. As shown in fig. 5 this pointer 34 co-acts with a dial 35 which is standardized in terms of the relation between the body length and average optimal table top height related thereto.
  • Fig. 6 shows another manner of indicating the adjusted height.
  • a drive rope 36 which is connected at one end to the fixed lower leg portion 12, this via a pin 37 which is connected to the foot 3 and enclosed telescopically overlapping by a tubular part 38 attached to the movable upper leg portion 13.
  • This rope 36 is connected at its other end to a measuring plate 40 spring-loaded by a spiral spring 39 fixedly connected to a spindle 41 which carries the pointer 34 that co-acts with the dial 35 (see also fig. 5).
  • the pin 37 and the tubular part 38 move relative to one another, whereby the biased rope 36 causes a change in the angular position of the measuring plate 40, with a corresponding displacement of the pointer 34.
  • Fig. 7 shows another embodiment of the measuring means.
  • the coupling rod 18 drives a threaded rod 45 via two gear wheels 43, 44. Co-acting with the threaded rod 45 is a nut 46 locked against rotation and bearing a pointer 47.
  • the point of the pointer 47 co-acts with a dial 48.
  • Fig. 9 shows the construction of the partitions 49 shown in fig. 1. These each consist of a profiled plate 50 and a profiled plate 51 co-operating therewith.
  • the plate 50 serving as outer partition part is connected to the upper leg portions 13 by means of spring-loaded pins 52, as indicated in fig. 10.
  • the upper zone of the plate 50 comprises a top edge 53 twice bent over at right angles.
  • the bottom edge 54 has a rounded form.
  • the plate 51 which serves as inner partition part has roughly the same shape as the plate 50.
  • the bottom edge portion 55 can, as indicated with arrow 56, be placed on and arranged in the corresponding bottom edge portion 54 of the plate 50.
  • the top edge 57 can be placed against the top edge 53 of the plate 50 and be clamped fixedly against it by means of clamping lips 58.
  • the plates 50 and 51 have a shape such that at the top a comparatively large space is available, for example for accommodating wall sockets 59.
  • the narrower space located underneath is suitable for receiving cables and the like.

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Ladders (AREA)
  • Finger-Pressure Massage (AREA)

Claims (5)

  1. Höhenverstellbarer Tisch (1) mit mindestens zwei Beinen (2) mit verstellbarer Länge, wobei jedes umfaßt:
    zwei Beinbereiche (12, 13), die zueinander teleskopisch verschiebbar und in einer gewählten Stellung befestigbar sind, von denen der untere (12) wahlweise durch einen auf dem Boden stehenden Fuß (3,4) eine Tragefunktion übernehmen kann und der obere (13) mit einem Tischoberteil (11) durch Kopplungsmittel (25-28) verbunden ist, und
    Antriebsmittel (22, 23) zum Verschieben der Beinbereiche (12, 13) relativ zueinander und Kopplungsmittel (15-21) zum verbindenden Verschieben der Beinbereiche (12,13) aller Beine (2), so daß sie immer die gleiche Länge haben, wobei die Antriebsmittel (22, 23) umfassen:
    einen Betätigungsmechanismus (5,6,10), wie eine handbetätigbare Kurbel oder einen Motor,
    eine Leitspindel (22) und eine damit zusammenwirkende Mutter (23), von denen die eine starr mit dem einen Bereich (12) des Beins (2) und die andere drehbar und axial blockiert mit dem anderen Bereich (13) dieses Beins (2) verbunden ist und welche durch den Betätigungsmechanismus (5,6,10) in Drehung versetzbar ist, wobei jede Leitspindel (22) mit einem rechtwinkligen Transmissionsgetriebe (20,21) verbunden ist, welches in dem zugeordnetem Bein (2) aufgenommen und mit einem ersten unrunden Verbindungselement (16) versehen ist, das von außerhalb des Beins (2) zugänglich ist; und
    einer torsionsstarren Verbindungsstange (7,8,9), welche zwischen dem oder jedem Paar zugewandten Verbindungselementen (16) verläuft und damit durch ein zweites unrundes Verbindungselement (17) mit dem Ende der Stange (7,8,9) verbunden ist und eine komplementär zu dem ersten Verbindungselement (16) ausgebildete Form aufweist, wobei mindestens eines der Paare von zusammenwirkenden Verbindungselementen (16, 17) einer Verbindungsstange (7,8,9) eine unrunde Öffnung in einer Hülse (16) und eine zwischen dem Verbindungselementen (16, 17) wirkende Druckfeder (19) aufweist, dadurch gekennzeichnet, daß das erste Verbindungselement (16) aus einer Hülse besteht, die vollständig in dem zugehörigen Bein (2) aufgenommen ist und für das zweite Verbindungselement (17) durch eine Öffnung (15) in der Wand des Beins (2) zugänglich ist, wobei die Druckfeder in der Hülse 16 angeordnet ist.
  2. Tisch nach Anspruch 1, dadurch gekennzeichnet, daß das oder jedes Bein mit dem Tischoberteil mittels einer Schrauben-Mutter-Verbindung gekoppelt ist, welche mindestens eine axial umlaufende Unterbrechung aufweist, die derart ausgestaltet ist, daß die Schraube und die Mutter frei übereinander und dadurch in axialer Richtung verlaufen können und durch Rotation koppelbar und festziehbar sind.
  3. Tisch nach einem der vorstehenden Ansprüche, gekennzeichnet durch eine Meßeinrichtung für das Messen der Höhe des Tischoberteils und Anzeigemittel zu dessen visuellen Anzeige.
  4. Tisch nach Anspruch 3, gekennzeichnet durch einen Zeiger, welcher mit einer Scheibe zusammenwirkt und durch Übertragungsmittel mit den Bereichen eines Beins verbunden ist.
  5. Tisch nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Anzeigemittel standardisiert sind hinsichtlich der Beziehung zwischen Körperlänge und der dieser zugeordneten, durchschnittlichen, optimalen Tischoberteilhöhe.
EP90200140A 1989-01-19 1990-01-18 Höhenverstellbarer Tisch Expired - Lifetime EP0379262B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8900127A NL8900127A (nl) 1989-01-19 1989-01-19 Tafel met instelbare hoogte.
NL8900127 1989-01-19

Publications (2)

Publication Number Publication Date
EP0379262A1 EP0379262A1 (de) 1990-07-25
EP0379262B1 true EP0379262B1 (de) 1994-07-06

Family

ID=19853984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90200140A Expired - Lifetime EP0379262B1 (de) 1989-01-19 1990-01-18 Höhenverstellbarer Tisch

Country Status (6)

Country Link
EP (1) EP0379262B1 (de)
AT (1) ATE108057T1 (de)
DE (1) DE69010343T2 (de)
DK (1) DK0379262T3 (de)
ES (1) ES2056360T3 (de)
NL (1) NL8900127A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019987A1 (en) * 1993-03-09 1994-09-15 Furniture Australia Pty Ltd Ergonomic furniture
US5890438A (en) * 1995-03-08 1999-04-06 Schiavello Commercial Interiors (Vic) Pty Ltd. Height adjustment system for a desk or workstation
US5685510A (en) * 1995-03-08 1997-11-11 Prima Furniture (Aust) Pty Ltd Height adjustment system for a desk or workstation
US5601037A (en) * 1995-06-09 1997-02-11 Haworth, Inc. Table with recessed height-adjusting crank
US6540191B2 (en) * 2001-03-19 2003-04-01 Lin-Ho Liu Foot stand structure of an adjustable computer desk
GB0109636D0 (en) * 2001-04-19 2001-06-13 Atkinson Vari Tech Ltd Improvements in and related to height adjustable furniture
US10863863B2 (en) * 2017-06-30 2020-12-15 Grillworks Llc Grill height adjustment and indicator mechanism and methods of use thereof
CN111870044B (zh) * 2020-08-31 2022-04-01 江西志超科教设备有限公司 一种可自动清洁的学生课桌
CN113633094B (zh) * 2021-09-10 2022-08-05 浙江迈德维智能科技有限公司 一种电动式自动升降保健桌
CN217243130U (zh) * 2021-11-18 2022-08-23 永艺家具股份有限公司 一种用于家具动力传动的传动组件及升降桌

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8302257A (nl) * 1983-06-24 1985-01-16 Cornelis Franciscus De La Haye Tafel.
DE3341535C2 (de) * 1983-11-17 1985-11-07 Technisch handels- en adviesburo van Engeland, Almelo Verstellvorrichtung für Arbeitstische
NL8700662A (nl) * 1987-03-20 1988-10-17 Geffen Tech Adviesbureau Bv Tafelpoot voor een in hoogte verstelbaar werkblad voorziene tafel.

Also Published As

Publication number Publication date
NL8900127A (nl) 1990-08-16
DE69010343D1 (de) 1994-08-11
ES2056360T3 (es) 1994-10-01
ATE108057T1 (de) 1994-07-15
EP0379262A1 (de) 1990-07-25
DK0379262T3 (da) 1994-08-01
DE69010343T2 (de) 1994-11-17

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