EP0976346A2 - Verbindungseinrichtung zur Herstellung von Tragsystemen fur Arbeitsstationen - Google Patents

Verbindungseinrichtung zur Herstellung von Tragsystemen fur Arbeitsstationen Download PDF

Info

Publication number: EP0976346A2
Authority: EP; European Patent Office
Prior art keywords: attachment; tubular section; seat; headless screw; load
Prior art date: 1998-07-29
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

EP99202450A

Other languages

English (en)

French (fr)

Other versions

EP0976346B1 (de

EP0976346A3 (de

Inventor

Carlo Cattaneo

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.)

Leonardo SRL

Original Assignee

Leonardo SRL

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.)

1998-07-29

Filing date

1999-07-26

Publication date

2000-02-02

1999-07-26 Application filed by Leonardo SRL filed Critical Leonardo SRL

2000-02-02 Publication of EP0976346A2 publication Critical patent/EP0976346A2/de

2000-02-23 Publication of EP0976346A3 publication Critical patent/EP0976346A3/de

2003-09-24 Application granted granted Critical

2003-09-24 Publication of EP0976346B1 publication Critical patent/EP0976346B1/de

2019-07-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000000295 complement effect Effects 0.000 claims description 7
239000002184 metal Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
230000006866 deterioration Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1

Images

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
- A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
- A47B47/0008—Three-dimensional corner connectors, the legs thereof being received within hollow, elongated frame members

Definitions

the present invention refers to certain interesting improvements made to joining devices of the type used for creating load-bearing systems for workstations, particularly but not exclusively for offices.
the structure created should be as solid and stable as possible over time, without risks of deterioration due to the materials used.
the general purpose of the present invention is to propose a joining device for making load-bearing systems for workstations that adequately meets all the requirements listed above, with particular reference to the flexibility of use, the production costs, which must be very contained, and the absolute rigidity over time of the structure obtained, also in the presence of relatively demanding stresses.
a joining device is indicated, as a whole, by 20, and is structurally made up of a body 21 from which at least one attachment 22 extends.
the body 21 and attachments 22 can be made of a single piece, for example of metal or plastic material having the necessary physical and mechanical characteristics for the purpose of the device.
each individual attachment 22 is made a seat 24 for a beam 25 which has the function of ensuring stable and durable fixing over time between a tubular section 23 and the attachment 22 itself.
Said beam 25 for example a metal beam and one having a preferably double-T-section is housed in its seat 24 so as to be movable (parallel to itself) between the lowered, non-operative, position of Figures 3, 6 and 8 and the raised, operative, position of Figures 5, 7 and 9.
Displacement of the beam 25 with respect to the complementary seat 24 is performed by means of a threaded headless adjustment screw 26, which is screwed through a corresponding threaded hole 27 made centrally in the beam 25 itself.
the headless screw 26 is provided with a discoidal base 28 housed in a corresponding cavity 29 ( Figures 3 to 5) located on the bottom of the seat 24.
Said cavity 29 is moreover preferably provided with a perimetral edge 30 for retention of the base 28, which snap-fits into the cavity 29 itself.
the adjustment of the headless screw 26 is performed using a polygonal spanner (not shown) which is inserted into a complementary seat 31 of the headless screw 26.
Access to the headless screw 26 is via an aligned hole 32 made in the tubular section 23.
the body 21 is preferably made in such a way as to enable fitting thereof to a tubular leg 33.
the fitting systems between the body 21 and the leg 33 may be of various kinds.
a nut 34 may be used, which is screwed directly on a threaded shaft 35 extending centrally from a disk 36 fixed to the leg 33 ( Figures 11 and 12); or else, a bolt 37 may be used which screws through a threaded hole 38 of a disk 39 fixed to the leg 33 ( Figures 13 and 14).
a tubular section 23 having a cross section complementary to that of the corresponding attachment 22 is fitted on the latter with the beam 25 in the position where it is retracted inside its complementary seat 24, as shown in Figures 3, 6 and 8 of the drawings.
the headless screw 26 can be turned so as to load the beam 25, so that it is translated upwards in the direction of the arrow 41 ( Figures 6 and 8).
the external flanges of the beam 25 engage on the inner surface 42 of the tubular section 23, so as to load, in the direction of the arrows 43 and 44, the attachment 22 so that it engages stably with the tubular section 23 at a large common perimetral surface 45, which occupies almost the entire cross section of the two assembled components 22, 23, except for the area where the beam 25 - adjusted by the headless screw 26 - exerts its thrust.
the tubular section 23 may be separated from the attachment 22 by unscrewing the headless screw 26 so as to bring the beam 25 back into the lowered position of Figures 3, 6 and 8. It should be noted that in this position the beam 25 bears upon the base 28 of the headless screw 26, thus determining a stable positioning (end of travel) of the latter completely within the seat 24. In this way, the tubular section 23 may be freely slid off the attachment 22, given that any interference of the headless screw 26 in the path of the tubular section 23 is certainly excluded.
a stable fixing is thus achieved even over time, which, however, can be released by simply unscrewing the headless screw 26 and then bringing the beam 25 back into the original position shown in Figures 3, 6 and 8.

Landscapes

Automatic Assembly (AREA)
Flanged Joints, Insulating Joints, And Other Joints (AREA)
Developing Agents For Electrophotography (AREA)
Wire Bonding (AREA)
Earth Drilling (AREA)
Spinning Or Twisting Of Yarns (AREA)
Mutual Connection Of Rods And Tubes (AREA)
Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Chair Legs, Seat Parts, And Backrests (AREA)
Connection Of Plates (AREA)
Furniture Connections (AREA)

EP99202450A 1998-07-29 1999-07-26 Verbindungseinrichtung zur Herstellung von Tragsystemen fur Arbeitsstationen Expired - Lifetime EP0976346B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ITMI981756		1998-07-29
IT1998MI001756A IT1301959B1 (it)	1998-07-29	1998-07-29	Dispositivo di giunzione per la realizzazione di sistemi portantiper posti di lavoro

Publications (3)

Publication Number	Publication Date
EP0976346A2 true EP0976346A2 (de)	2000-02-02
EP0976346A3 EP0976346A3 (de)	2000-02-23
EP0976346B1 EP0976346B1 (de)	2003-09-24

Family

ID=11380544

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99202450A Expired - Lifetime EP0976346B1 (de)	1998-07-29	1999-07-26	Verbindungseinrichtung zur Herstellung von Tragsystemen fur Arbeitsstationen

Country Status (6)

Country	Link
EP (1)	EP0976346B1 (de)
AT (1)	ATE250366T1 (de)
DE (1)	DE69911518T2 (de)
DK (1)	DK0976346T3 (de)
ES (1)	ES2207115T3 (de)
IT (1)	IT1301959B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE20105551U1 (de) *	2001-03-29	2002-08-08	Eisfink Max Maier GmbH & Co. KG, 71636 Ludwigsburg	Knotenelement für Gestellkonstruktion
EP1234526A1 (de) *	2001-02-22	2002-08-28	LEONARDO S.r.l.	Rohrförmige Rahmenstruktur für Stützflächen
EP1234986A1 (de) *	2001-02-22	2002-08-28	LEONARDO S.r.l.	Verbindungsvorrichtung zur Realisierung einer rohrförmigen Rahmenstruktur für Stützflächen
CN112696415A (zh) *	2020-12-30	2021-04-23	育才控股集团股份有限公司	一种柜体连接件及包含该连接件的组合式柜体

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ITMI20131515A1 (it)	2013-09-13	2015-03-14	Leonardo Srl	Sistema di giunzione per la realizzazione di una struttura a telaio tubolare con gambe per piani di appoggio
TWI756671B (zh)	2019-05-15	2022-03-01	第一傳動科技股份有限公司	易於組裝調整的電動桌腳架

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US281547A (en)		1883-07-17		Shackle for vehicle-springs
US3008741A (en)	1958-12-12	1961-11-14	Gen Electric	Structural apparatus
US3638803A (en)	1969-06-20	1972-02-01	Daniel C Macmillan	Modular construction frame
EP0847715A1 (de)	1996-11-26	1998-06-17	LEONARDO S.r.l.	Verbesserte Verbindung für die Zusammenstellung von Tragsystemen für Arbeitsplätze

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3087768A (en) *	1960-05-18	1963-04-30	Amco Eng	Enclosure
FR1349424A (fr) *	1962-12-06	1964-01-17		Nouveau dispositif d'assemblage de tubes carrés
FR1434263A (fr) *	1965-02-15	1966-04-08		Mode de constitution de meubles en éléments démontables
SE343928B (de) *	1970-11-10	1972-03-20	A Offenbroich
CH554495A (de) *	1971-10-07	1974-09-30	Alusuisse	Zusammengesetztes gestell fuer moebel, mit horizontalen und vertikalen, durch verbindungselemente miteinander verbundenen streben.

1998
- 1998-07-29 IT IT1998MI001756A patent/IT1301959B1/it active IP Right Grant
1999
- 1999-07-26 EP EP99202450A patent/EP0976346B1/de not_active Expired - Lifetime
- 1999-07-26 DE DE69911518T patent/DE69911518T2/de not_active Expired - Fee Related
- 1999-07-26 DK DK99202450T patent/DK0976346T3/da active
- 1999-07-26 ES ES99202450T patent/ES2207115T3/es not_active Expired - Lifetime
- 1999-07-26 AT AT99202450T patent/ATE250366T1/de not_active IP Right Cessation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US281547A (en)		1883-07-17		Shackle for vehicle-springs
US3008741A (en)	1958-12-12	1961-11-14	Gen Electric	Structural apparatus
US3638803A (en)	1969-06-20	1972-02-01	Daniel C Macmillan	Modular construction frame
EP0847715A1 (de)	1996-11-26	1998-06-17	LEONARDO S.r.l.	Verbesserte Verbindung für die Zusammenstellung von Tragsystemen für Arbeitsplätze

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1234526A1 (de) *	2001-02-22	2002-08-28	LEONARDO S.r.l.	Rohrförmige Rahmenstruktur für Stützflächen
EP1234986A1 (de) *	2001-02-22	2002-08-28	LEONARDO S.r.l.	Verbindungsvorrichtung zur Realisierung einer rohrförmigen Rahmenstruktur für Stützflächen
US6729244B2 (en)	2001-02-22	2004-05-04	Leonardo S.R.L.	Tubular-frame structure for supporting surfaces
US6840698B2 (en)	2001-02-22	2005-01-11	Leonardo S.R.L.	Connection device for the realization of a tubular-frame structure for supporting surfaces
DE20105551U1 (de) *	2001-03-29	2002-08-08	Eisfink Max Maier GmbH & Co. KG, 71636 Ludwigsburg	Knotenelement für Gestellkonstruktion
CN112696415A (zh) *	2020-12-30	2021-04-23	育才控股集团股份有限公司	一种柜体连接件及包含该连接件的组合式柜体

Also Published As

Publication number	Publication date
DE69911518T2 (de)	2004-07-01
EP0976346B1 (de)	2003-09-24
IT1301959B1 (it)	2000-07-20
DE69911518D1 (de)	2003-10-30
EP0976346A3 (de)	2000-02-23
ITMI981756A0 (it)	1998-07-29
ES2207115T3 (es)	2004-05-16
ITMI981756A1 (it)	2000-01-29
ATE250366T1 (de)	2003-10-15
DK0976346T3 (da)	2003-12-29

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