EP2189603B1 - Device for closing and dampening movement of a sliding door and relevant method of installation of the same - Google Patents

Device for closing and dampening movement of a sliding door and relevant method of installation of the same Download PDF

Info

Publication number: EP2189603B1
Authority: EP; European Patent Office
Prior art keywords: wing; sliding; cylinder; closure; traverse
Prior art date: 2008-11-21
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.): Not-in-force

Application number

EP09425427A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2189603A1 (en

Inventor

Andrea Montanari

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.)

Scrigno SpA

Original Assignee

Scrigno 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.)

2008-11-21

Filing date

2009-10-26

Publication date

2012-02-22

2009-10-26 Application filed by Scrigno SpA filed Critical Scrigno SpA

2010-05-26 Publication of EP2189603A1 publication Critical patent/EP2189603A1/en

2012-02-22 Application granted granted Critical

2012-02-22 Publication of EP2189603B1 publication Critical patent/EP2189603B1/en

Status Not-in-force legal-status Critical Current

2029-10-26 Anticipated expiration legal-status Critical

Links

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XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Images

Classifications

- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
- E05F1/025—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights with rectilinearly-moving counterweights

Definitions

the present invention relates to a device for closing and dampening movement of a sliding door and relevant method of installation of same.
the invention concerns a device for closure and dampening a door of the above kind, particularly studied and realised in order to ensure closure without shots, regardless the position it is.
sliding doors are widely diffuse, particularly disappearing sliding doors, mainly comprised of a wing, a counterframe and sliding means.
counterframe comprises a box, replacing a portion of the wall on which said sliding door is installed and within which the wing can be introduced when it is open.
Said box also comprises a sliding traverse, and an upright for abutment of said wing.
Sliding means are suitable to guide door wing from an open position, wherein said wing is fully or partially inserted within said box, and a closed position, wherein said wing is withdrawn from inside the box, thus closing the passage of said door.
the above mentioned sliding means are usually comprised of carriages, sliding coupled with an upper track fixed to said sliding traverse, and possibly a further lower guide track, suitable to permit a guided movement of the wing.
One known solution provides a device comprising a return spring, the first end of which is coupled to a fixed point, while the second end is coupled to the sliding wing, and also comprising a braking device having a toothed wheel operating by friction.
braking device is strongly worn and must be frequently replaced. Furthermore, in case of an additional strong pushing action, said braking device does not ensure wing braking.
patent application US 3,437,125 A describes a device for closing and dampening a sliding door according to the preamble of claim 1.
the said dampening means could be integral with said wing, or they are independently provided with respect to the same wing.
the said cylinder could be substantially vertical and could be coupled with said rear lateral edge of said wing by coupling means, such as a pair of fixed supports.
the said first fixing point could be in an intermediate position between projections on sliding traverse of said front lateral edge and of said rear lateral edge of said wing, when the latter is in said closure position.
the device could comprise a pair of supports suitable to sliding couple said counterweight with said cylinder.
connection means could be comprised of motion transmission means, such as a second cable, having one end fixed to said piston and another end fixed to said sliding traverse in a second fixing point, and passing through said transmission means.
Said motion transmission means could comprise a transmission channel obtained within a transmission substantially provided at one end of said sliding traverse, and a pulley, provided in correspondence of a further end of said cylinder.
the door could comprise a counter frame having a box coupled with said sliding traverse, said wing fully or partially entering by said rear lateral edge within said box in said opening position.
the device could comprise means, preferably a magnet, suitable to maintain said wing in an open position.
said means for maintaining open said wing could be fixed to said cylinder or to one of said fixed supports.
Said magnet could be coupled to the metallic bottom of said box.
Said sliding traverse could be provided with a slot wherein it is possible introducing said transmission block.
kit for a device for closing and dampening as defined by claim 14, comprising:
Said kit could comprise a magnet.
a door generically indicated by reference number 1, comprising a counterframe, provided with a bow, a sliding traverse 2 and an abutting upright 3.
Door 1 also comprises a wing 4, sliding coupled with said sliding transverse 2 by carriages (not shown), said carriages sliding along a track (not shown as well), not making part of the invention.
Door 1 comprises a closing and dampening device, generically indicated by reference number 5, in order to permit closure of wing 4 regardless its position, permitting to the same reaching abutment upright 3 with a slow down motion, accompanying its motion.
Closing and dampening device 5 comprises a counterweight 6, sliding vertically when said wing passes from the open to the closed position and vice versa, suitable to cause push determining wing closure 4.
counterweight 6 moves vertically, but it is obliged to horizontally move integrally with said wing (direction indicated in the figure by arrow A).
Said counterweight 6 is connected at the first end of a first cable 61.
Second end of said first cable 61 is fixed to said sliding traverse 2, in a first intermediate point of the same indicated by reference P1.
First cable 61 further passes through a pulley 62 fixed to the wing 4.
point P1 is preferably positioned in an intermediate position between the projections on sliding traverse 2 of the lateral edges of the wing 4 when the latter is in the closed position, i.e. when front edge is close to the abutment upright 3.
Device 5 also comprises a dampening cylinder 7, substantially vertical, parallel with respect to the rear edge of wing 4, with a piston 8, housed within said dampening cylinder 7 and sliding within the same.
Dampening cylinder 7 acts as brake of the wing 4 motion, always permitting in any case to the wing 4 to close, regardless the intermediate open position of the wing, thus opposing to the gravity force on counterweight 6.
Said dampening cylinder 7 has a first upper end 71 open and a second lower end 72 closed by a one-way valve 9, suitable to prevent sucking air during lifting movement of the piston 8, the operation of which will be described in greater detail in the following.
Counterweight 6 is sliding coupled with said dampening cylinder 7 by suitably shaped first supports 10.
Said dampening cylinder 7 is also fixed to said wing 4 by a pair of second fixed supports 11.
Said piston 8 is coupled in point P2 with a second cable 81, fixed to the sliding traverse 2, and transmitted by a pulley 83 and a channel 82.
Said channel 82 is provided within a transmission block 84 fixed to the rear end of the same sliding traverse 2.
closing and dampening device 5 also comprises a magnet 12, fixed to the second lower support 12, suitable to keep wig 4 in an open position, acting on a fixed metallic element that in the present case can be the same box on the door 1.
Dampening cylinder 7 is preferably comprised of aluminium, while supports 10 and 11 are preferably comprised of plastics, so as to permit a further reduction of the total weight of device 5.
said cables 61 and 81 are not elastic cables, thus avoiding possible tearings.
dampening cylinder 7 can be provided in different positions, e.g. along the sliding traverse 2 or on the bottom of the box.
Closing and dampening device 5 operates as follows. When wing 4 is in an opening position, counterweight 6 is positioned above, close the second fixed support 11, thus in a maximum potential energy condition. Instead, piston 8 is close the second end 72 of said dampening piston 7.
magnet 12 will maintain the same adhering to the rear side of metallic box, preventing its closure.
piston 8 will start its run upward, thus creating a vacuum within lower portion of dampening cylinder 7, included between piston 8 and valve 9, which is in a closure condition.
piston 8 is free to descend by gravity along its seat, thanks to the fact that valve 9, being open, permits ejection of air contained within lower part of dampening cylinder 7, during the ascending stroke of the same piston 8.
counterweight 6 and piston 8 have such a weight to permit closure of the door regardless the position of the wing 4, a suitable for every kind (weight) of commercial door.
Device 5 can be both installed in new doors, and retrofitted in existing doors 1 and counterframes not providing such a kind of device.
a sliding door 1 comprising a box (not shown), already installed, destined to replace by its volume a portion of the wall, and a wing 4 sliding coupled with the sliding traverse.
device 5 for dampening the movement according to the invention is always covered by counterweight, being rear edge of the wing hidden by box.
Solution according to the present invention has the advantage of permitting closure of a door wing regardless its position.
a further advantage of the present invention is that said device can be also easily installed in already existing doors not provided with such a closure system.

Landscapes

Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Wing Frames And Configurations (AREA)
Power-Operated Mechanisms For Wings (AREA)
Superstructure Of Vehicle (AREA)

EP09425427A 2008-11-21 2009-10-26 Device for closing and dampening movement of a sliding door and relevant method of installation of the same Not-in-force EP2189603B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ITRM2008A000621A IT1391850B1 (it)	2008-11-21	2008-11-21	Dispositivo di chiusura e smorzamento del movimento di una porta scorrevole e relativo metodo di installazione.

Publications (2)

Publication Number	Publication Date
EP2189603A1 EP2189603A1 (en)	2010-05-26
EP2189603B1 true EP2189603B1 (en)	2012-02-22

Family

ID=40848497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09425427A Not-in-force EP2189603B1 (en)	2008-11-21	2009-10-26	Device for closing and dampening movement of a sliding door and relevant method of installation of the same

Country Status (4)

Country	Link
EP (1)	EP2189603B1 (es)
AT (1)	ATE546605T1 (es)
ES (1)	ES2381568T3 (es)
IT (1)	IT1391850B1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1402980B1 (it)	2010-12-07	2013-09-27	Scrigno Holding S P A	Sistema di chiusura automatica per una porta scorrevole, e relativi metodo e kit di montaggio.
JP6840022B2 (ja) *	2017-04-21	2021-03-10	大成建設株式会社	サッシ衝撃音測定システムおよびサッシ衝撃音測定方法
IT201800020431A1 (it)	2018-12-20	2020-06-20	Style House Srl	Pannello per porta da interni

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3437125A (en) *	1967-07-17	1969-04-08	Sanford L Hargrove	Bi-fold door closer

2008
- 2008-11-21 IT ITRM2008A000621A patent/IT1391850B1/it active
2009
- 2009-10-26 EP EP09425427A patent/EP2189603B1/en not_active Not-in-force
- 2009-10-26 AT AT09425427T patent/ATE546605T1/de active
- 2009-10-26 ES ES09425427T patent/ES2381568T3/es active Active

Also Published As

Publication number	Publication date
ITRM20080621A1 (it)	2010-05-21
EP2189603A1 (en)	2010-05-26
ES2381568T3 (es)	2012-05-29
IT1391850B1 (it)	2012-01-27
ATE546605T1 (de)	2012-03-15

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