EP0632182B1 - Operating unit for up-and-over doors - Google Patents
Operating unit for up-and-over doors Download PDFInfo
- Publication number
- EP0632182B1 EP0632182B1 EP94201294A EP94201294A EP0632182B1 EP 0632182 B1 EP0632182 B1 EP 0632182B1 EP 94201294 A EP94201294 A EP 94201294A EP 94201294 A EP94201294 A EP 94201294A EP 0632182 B1 EP0632182 B1 EP 0632182B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- unit
- centre
- fixed
- frame
- 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
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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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
- E05F15/681—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by flexible elongated pulling elements, e.g. belts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
Definitions
- This invention relates to an operating unit for up-and-over doors according to the preamble of claim 1.
- These basically comprise a flat element forming the actual door and a respective portal-shaped receiving frame to be fixed to the room access aperture.
- door lateral edges are provided at a certain distance from the bottom with two opposing coaxial wheels of horizontal axis which are received in longitudinal guides provided on the frame uprights, these lateral edges being connected, at a certain distance from the upper edge, to said uprights by means of connecting rods.
- Said uprights are usually in the form of box members provided upperly with pulleys for deviating two cables which at one end are connected to a counterweight and at their other end are connected to the door lateral edge in proximity to or in correspondence with said wheel.
- the counterweight is replaced by a spring, said counterweight or spring tending to force the lower part of the door upwards into its open position.
- up-and-over doors can be of manual closing/opening type or of automatic operation, to which latter the invention relates in particular.
- said mounting complexity is due to the means which have to be interposed between the geared motor unit and the door, requiring substantial structural modification of the door (such as in the devices the geared motor unit of which is fixed to this latter), and a relatively lengthy installation time, and can result in imprecise mounting and hence maloperation, particularly if mounted by non-specialized personnel.
- the main object of the present invention is to provide an operating unit for up-and-over doors which is of simple construction and easy operation, does not require door adaptation work, and can be easily recovered after installation and easily installed in a different location.
- the means to be interposed between the up-and-over door and a geared motor unit fixed to the top of the interior of the room provided with said door consist of a flexible element extending between said geared motor unit and the sill of the room access aperture, and deviated on the inner face of the door such that pulling said flexible element results in the door rotating towards its closed position whereas releasing the flexible element results in the door automatically rotating towards its open position by the effect of the counterweights, with a movement which is braked by the flexible element undergoing release.
- said flexible element comprises a band or web wound on a drum keyed onto the exit shaft of the geared motor unit and deviated at least at the centre of the upper edge of the door, said band forking into a pair of ropes to be fixed, after deviation towards the lower lateral regions of the door, to the sides of the sill of said aperture.
- the band is preferably deviated by at least one idle roller with its axis horizontal and parallel to the door, said ropes being deviated by small pulleys with their axis perpendicular to the door, or by equivalent means.
- FIGS. 1 and 2 show a room (such as a garage) comprising an aperture 1 with which a up-and-over door 3 is associated by way of a portal-shaped frame 2.
- the door 3 consists of a substantially flat quadrangular or rectangular metal plate 4 reinforced by a perimetral rim 5.
- Said door 3 is connected to the frame 2 as stated hereinafter, the door being caused to close/open by a drive unit 6 by way of a thin flexible element 7.
- Said drive unit 6 can be fixed to the room ceiling ( Figure 1) or to the lintel of the aperture 1 ( Figure 2).
- the second method is certainly preferable as the unit 6 is completely hidden when the door 3 is open (raised).
- the door 3 is connected to the frame 2 by two opposing lateral connecting rods 8 which at one end are hinged to the top of the frame uprights, whereas at their other end they are hinged to the lateral edges of the door 3 in a position spaced from the top by the length of the connecting rod 8.
- the cable 12 is deviated by a pulley 13 positioned at the top of the respective upright, its opposite end being connected to a point 14 ( Figure 4) of the door 3 close to the corresponding wheel 9.
- the total weight of the counterweights 11 is such as to automatically raise the door 3.
- the drive unit 6 for the flexible element 7 comprises a plate 15 provided with holes 16 for the passage of fixing plugs.
- a geared motor unit of which the motor 17, consisting for example of a direct current motor of 12 V feed voltage and 2 A maximum current absorption, is connected to a power device 19 to be connected to the mains.
- a storage battery 20 for powering the motor 17 if mains voltage fails.
- Said storage battery 20 for example a 12 V, 6.5 Ah rechargeable dry battery, is controlled by a central control unit 21 provided with other circuits and devices for ensuring correct and reliable operation of the door 3.
- Said central control unit 21 is provided inter alia with an adjustable safety device able to automatically reverse the direction of rotation of the geared motor unit when this is required to overcome an excessive resistance, for example due to an obstacle encountered by the door during its closure.
- Said portion 23 is engaged by two threaded bushes 25 which are retained so that they cannot rotate, and with which there cooperate respective microswitches 26 the purpose of which is to interrupt the power circuit to the motor 17 when the door 3 is completely closed or open respectively.
- the geared motor unit can be operated (for opening or closure) by any known means, for example by a radio signal emitted by a portable unit.
- a band 27 is fixed and spirally wound on said drum 22 and passes vertically to the central upper region of the frame 2, from which it follows the path described hereinafter.
- Said band preferably consists of a woven web of the type used for safety belts, at a certain point it forking via an eyelet 28 into two ropes 29 consisting preferably of a nylon cord of nautical type having a diameter of 3-5 mm.
- Said ropes 29 preferably consist of the two branches of one and the same rope threaded through said eyelet, in order to prevent any unbalance due to different tensioning.
- said band 27 is deviated in one direction by a member 30 fixed to the lintel of the aperture 1, and in the opposite direction by a member 31 fixed to the inner upper edge of the rim 5.
- said member 30 consists of an idle roller of horizontal axis mounted on a fixing plate 310 by way of two supports 32 and 33.
- the rotation shaft 35 of the roller 30 is pivoted to the first support 32 on a transverse axis 34, a locking pin 36 being slidingly inserted into the second support 33.
- this pin is received in a coaxial seat provided in the end of said shaft 35, the pin being maintained in its locking position by a spring 37 positioned on the other side of the support 33.
- Said handle which comprises an external handgrip and an internal handgrip, is provided with a lock and releases the roller 30 and hence the band 29 in case of emergency (such as breakage of the drive unit).
- the release of the roller 30 enables a band portion to be released sufficient to allow the door to be opened by an amount allowing access to the room.
- said member 31 consists of an idle roller of horizontal axis positioned at the end of a small bracket 40 branching from a fixing plate 41.
- roller 31 projects above the inner face of the door 3 (see Figure 4) and its upper edge sufficiently to allow correct door closure and its proper retention in the closed position by virtue of the tension of the band 27.
- the plate 41 carries hinged thereto an arm 42 of adjustable length elastically urged towards the outer face of the door 3 by a torsion spring 43, and carrying a terminal wheel 44.
- This latter is intended to rest against the cross-member of the frame 2 when the door is closed, and aids the counterweights 11 at the commencement of the opening stage.
- each rope 29 is deviated by a small pulley 45 fixed to the lower central region of the door 3 and having its axis perpendicular to this latter, and then by an identical pulley 46 fixed above the corresponding lower edge of the door, and is finally fixed to a floor plug 47 facing the inner face of the corresponding upright of the frame 2.
- said two pulleys 45 are mounted on a plate 60 coupled to an element 61 to be fixed to the centre of the lower edge of the door 4 ( Figure 2).
- This coupling is achieved by two opposing coaxial seats provided in said plate 60, of which one is arranged to receive a peg 62 rigid with said connection element 61, and with the other there engages a slidable pin 360 connected to said release cable 38.
- Said pin 360 is constantly urged into the locking position by a compressed spring 370.
- pulleys 46 can be arranged differently from that shown.
- said pulleys 46 can be fixed on the lower edges of the door 4, especially if this latter is provided with a side service door. This is for obvious reasons.
- the invention operates as follows.
- the door is opened by the counterweights 11 aided at the beginning by the wheel 44, the geared motor unit unwinding the band 7 at a speed (preferably equal to the winding speed) such as to maintain the rising of the door constantly braked, so that the flexible element 7 is always taut.
Abstract
Description
- can be easily mounted within a short time even by persons of little expertise and without requiring the use of special tools (a common drill, some spanners and a few bolts are sufficient)
- does not require special work to be carried out on the door, in that only the holes for connecting said deviation means are required (in particular said holes are made along the reinforced edges of the door, and hence they are not through holes);
- operates correctly even in the case of mounting inaccuracies, because of the good adaptability of said belt and ropes;
- can be manufactured at low cost; and
- seeing that the cost of the deviation members required for its operation is low, these can be left in place if it is required to recover the unit in order to reinstall it in another location.
Claims (8)
- An operating unit for up-and-over doors comprising a portal-shaped frame (2) for receiving a door (3) connected to the frame by two upper lateral connecting rods (8) and two lower lateral wheels (9) guided to slide within rails (10) provided on the frame uprights, characterised by comprising a motorized drum (22) for winding and unwinding a flexible element deviated by a roller (30) located at the centre of the frame lintel and by a roller (31) fixed to the centre of the upper edge of the door in a position projecting from the inside of the door, said flexible element dividing into two ropes (29) extending symmetrically between two pairs of deviation members positioned in the lower region of the door, and a pair of eyelets (47) fixed to the sides of the door sill.
- A unit as claimed in claim 1, characterised in that said flexible element consists of a band of woven material, said two ropes (29) consisting of the two branches of a cord of synthetic material freely threaded through a connection element (28) provided at the free end of said band.
- A unit as claimed in claim 1, characterised in that said roller (31) positioned at the centre of the upper edge of the door projects above said upper edge.
- A unit as claimed in claim 1, characterised by comprising an elastically deformable member (42) to be fixed to the centre of the upper edge of the door, and which when in the rest position extends above the outer face of the door to rest against the frame (2) on termination of closure.
- A unit as claimed in claim 1, characterised in that each of said pairs of deviation members consists of two small pulleys (45) and (46) having their axes perpendicular to the door (3), and of which the first (45) is fixed to the centre of the door lower edge, whereas the second (46) is fixed to the lower part of the corresponding lateral edge of said door.
- A unit as claimed in claims 1 and 5, characterised in that said roller (30) located at the centre of the lintel, or said pair of pulleys (45), is located on a fixing element by way of means enabling the flexible element (7) to be released by remote control.
- A unit as claimed in claim 6, characterised in that said release means consist of an elastically opposed pull-release cable (38).
- A unit as claimed in claim 1, characterised in that the electrical power circuit (19) for the unit (17, 18) operating said drum (22) is provided with a rechargeable storage battery (20) able to power said unit in case of temporary lack of mains voltage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRE930032U | 1993-05-11 | ||
IT93RE000032U IT230990Y1 (en) | 1993-05-11 | 1993-05-11 | OPERATING GROUP OF UP-AND-OVER DOORS. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0632182A1 EP0632182A1 (en) | 1995-01-04 |
EP0632182B1 true EP0632182B1 (en) | 1998-01-07 |
Family
ID=11398374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94201294A Expired - Lifetime EP0632182B1 (en) | 1993-05-11 | 1994-05-09 | Operating unit for up-and-over doors |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0632182B1 (en) |
AT (1) | ATE161921T1 (en) |
DE (1) | DE69407673T2 (en) |
IT (1) | IT230990Y1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2788552B1 (en) | 1999-01-15 | 2001-06-29 | Novoferm France | DEVICE FOR DRIVING AND MOTORIZED BALANCING OF A SUNLIGHT |
DE202005006255U1 (en) * | 2005-04-19 | 2006-08-31 | Hörmann KG Antriebstechnik | Power-operated door used as a garage door comprises a drive arrangement having a motor and a traction gearing having a traction device which is tensioned relative to the door leaf in the opening direction |
DE202005009012U1 (en) * | 2005-06-08 | 2006-10-19 | Hörmann KG Antriebstechnik | Carrier slide door drive with secured emergency unlocking device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE501867A (en) * |
-
1993
- 1993-05-11 IT IT93RE000032U patent/IT230990Y1/en active IP Right Grant
-
1994
- 1994-05-09 EP EP94201294A patent/EP0632182B1/en not_active Expired - Lifetime
- 1994-05-09 AT AT94201294T patent/ATE161921T1/en not_active IP Right Cessation
- 1994-05-09 DE DE69407673T patent/DE69407673T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ITRE930032V0 (en) | 1993-05-11 |
EP0632182A1 (en) | 1995-01-04 |
DE69407673T2 (en) | 1998-04-16 |
ITRE930032U1 (en) | 1994-11-11 |
DE69407673D1 (en) | 1998-02-12 |
IT230990Y1 (en) | 1999-07-05 |
ATE161921T1 (en) | 1998-01-15 |
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