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EP0592374A1 - Device for motorizing an overhead swinging door for a garage or the like, and motorized overhead swinging door provided with this device - Google Patents

Device for motorizing an overhead swinging door for a garage or the like, and motorized overhead swinging door provided with this device Download PDF

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Publication number
EP0592374A1
EP0592374A1 EP93830317A EP93830317A EP0592374A1 EP 0592374 A1 EP0592374 A1 EP 0592374A1 EP 93830317 A EP93830317 A EP 93830317A EP 93830317 A EP93830317 A EP 93830317A EP 0592374 A1 EP0592374 A1 EP 0592374A1
Authority
EP
European Patent Office
Prior art keywords
door
swinging door
overhead swinging
motorized
door according
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.)
Withdrawn
Application number
EP93830317A
Other languages
German (de)
French (fr)
Inventor
Alessandro Turini
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.)
Aprimatic SpA
Original Assignee
Aprimatic 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.)
Filing date
Publication date
Application filed by Aprimatic SpA filed Critical Aprimatic SpA
Publication of EP0592374A1 publication Critical patent/EP0592374A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/44—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-sliding guides
    • E05D15/445—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-sliding guides specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/14—Counterbalance devices with weights
    • E05D13/145—Counterbalance devices with weights specially adapted for overhead wings
    • 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
    • E05F15/684—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 by chains
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • 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

  • the present invention relates to motorized overhead swinging doors for garages and the like, of the known type comprising: a fixed support frame, including two side vertical guides, two side supports, movable within said side guides, a door structure, swingably mounted around a horizontal axis on said side supports and also connected to the fixed frame by two pivoted side arms, a pair of counterweights, slidably along a vertical direction within said fixed frame and each connected to a respective one of said side supports by cable means re-directed over a respective upper pulley having a fixed axis, and an engine unit for driving the door.
  • the object of the present invention is that of providing a motorized overhead swinging door which has a very simple and economic structure and which at the same time is efficient in operation and reliable.
  • a further object of the invention is that of providing a device for motorzing overhead swinging doors which is simple and economic and may be adapted with a few and simple operations on doors which originally are not provided with a motorizing device.
  • the invention provides a motorized overhead swinging door of the type which has been indicated above, characterized in that at least one of said counterweights is connected to the respective side support both, on the upper side, by said cable means, and, on the lower side, by chain means which form an endless ring with said cable means, said chain means being re-directed around a respective lower wheel, said engine unit being arranged to drive said lower wheel.
  • the invention allows a dramatic reduction in the costs and complexity of the motorizing device with respect to the solutions provided up to now, and further ensures a very high reliability and easiness of mantainence.
  • the invention is applicable to any type of overhead swinging door, also with a different balancing arrangement and for any use (for a garage or others).
  • the above described arrangement may be adopted on one side only or on both sides of the door.
  • the door according to the invention is further characterized in that it includes a bolt device driven by a solenoid for locking the door in the closed condition.
  • the bolt device includes a bolt carried by the fixed frame and a coupling element for cooperation with the bolt carried by the door, said bolt being elastically biassed into its closed position and being movable towards the opened position by solenoid control means.
  • this coupling elements can be retracted towards a bolt disengaging position by a manually operable mechanism, so as to allow the opening of the door in case of an interruption of supply to the solenoid control means.
  • Said manually operable mechanism includes a key - operable latch and may be the conventional mechanism with which any non-motorized overhead swinging door is provided.
  • the invention obviously also provides the motorizing device per se , which can be adapted on a overhead swinging door which is not originally provided with a motorized device.
  • the essential features of this device are indicated in the annexed claim 13.
  • reference numeral 1 generally designates an overhead swinging door according to the prior art, which is not provided with a motorizing device.
  • the door 1 comprises a door structure 2 swingably mounted around a horizontal axis on two side supports 3 which are movable in two vertical side guides 4 forming parts of the fixed frame of the door.
  • the closed vertical position of the door is shown by undotted line, whereas by dotted lines there are indicated the opended horizontal position and an intermediate position.
  • the door is also connected to the fixed structure by two side arms 5 each pivoted in 6 to the fixed structure.
  • the opposed end 7 of each arms is pivoted to the door 2 and is therefore constrained to move along a circular path 8.
  • Each side support 3 is also connected to a respective counterweight 9 by a metal cable 13 which is re-directed around an upper pulley 10 freely rotatably mounted on the fixed structure around a horizontal axis 11.
  • the door 1 is also provided, in the usual way, with a handle 21 for the manual opening and closing operation, as well as with a key - operable latch for locking the door in the closed position.
  • a door of the type of figure 1 is motorized simply by connecting at least one of the two side supports 3 to the respective conunterweight 9 by a chain 12 of rollers which forms an endless ring with cable 13.
  • the chain 12 is in engagement with a lower pulley 14, having an axis 15 parallel to the axis of the upper pulley 10.
  • the puller 13 is mounted on the output schaft of a motor and reducing gear unit 16, including an electric motor and a screw-wheel reducing unit, for example of the type used for driving electric car windows.
  • the motor and reducing unit can have a low power. Activation thereof in either direction cause the lowering or raising respectively of counterweights 9 and consequential opening or closing of the door.
  • FIG 2 shows also a bolt device 17 for locking the door in its closed condition.
  • This devices comprises a bolt 18 driven by a solenoid, which is visible in an enlarged scale in figure 4.
  • the inner construction details of this device are not shown since they can be of any known type.
  • the device 17 is mounted on the fixed structure over the door.
  • the bolt 18 cooperates with a coupling element 19 carried by the door in order to lock the latter in the closed position.
  • the bolt is biassed by spring means (not shown) into the position engaging element 18 and can be desengaged from the latter by a solenoid control device of the type usually used in electric door latches.
  • the coupling element 19 is not mounted in fixed position on the door 2, and can be moved away from engagement with the bolt by a mechanism 20 with a handle 21 provided with a key - operable latch. Thus, it is possible to open the door where the latter is locked and an interruption of supply has occurred.
  • the handle may be that usually provided in all non-motorized overhead doors.
  • the door according to the invention is preferably provided with a safety device of any known type, as a friction coupling on the schaft of the motor and reducing unit or with a device for controlling the current absorbtion of the motor, in order to protect the system and as a safety measure in case anything prevents the movement of the door.
  • a safety device of any known type, as a friction coupling on the schaft of the motor and reducing unit or with a device for controlling the current absorbtion of the motor, in order to protect the system and as a safety measure in case anything prevents the movement of the door.
  • this device is preferably of the type which allows the maximum transmissable torque to be adjusted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

A overhead swinging door (2) is swingably mounted on two side supports (3) slidable in two vertical guides (4) and each connected to a counterweight (9) by a cable (13) redirected over an upper pulley (10). On at least one of the door sides, the counterweight (9) is also connected to the respective side support (3) by a chain (12) which forms an endless ring with the cable (13) and is redirected over a lower wheel (14) driven by a motor and reducing gear unit which is preferably located within the side upright of the door frame.

Description

  • The present invention relates to motorized overhead swinging doors for garages and the like, of the known type comprising:
    a fixed support frame, including two side vertical guides,
    two side supports, movable within said side guides,
    a door structure, swingably mounted around a horizontal axis on said side supports and also connected to the fixed frame by two pivoted side arms,
    a pair of counterweights, slidably along a vertical direction within said fixed frame and each connected to a respective one of said side supports by cable means re-directed over a respective upper pulley having a fixed axis, and
    an engine unit for driving the door.
  • The doors of this type which have been produced up to now have motorized control mechanism which are relatively complicated and costly, also requiring long and complicated operations to be adapted on doors which are not orginally provided with a motorized control.
  • The object of the present invention is that of providing a motorized overhead swinging door which has a very simple and economic structure and which at the same time is efficient in operation and reliable.
  • A further object of the invention is that of providing a device for motorzing overhead swinging doors which is simple and economic and may be adapted with a few and simple operations on doors which originally are not provided with a motorizing device.
  • In order to achieve said first object, the invention provides a motorized overhead swinging door of the type which has been indicated above, characterized in that at least one of said counterweights is connected to the respective side support both, on the upper side, by said cable means, and, on the lower side, by chain means which form an endless ring with said cable means, said chain means being re-directed around a respective lower wheel, said engine unit being arranged to drive said lower wheel.
  • Due to said features, the invention allows a dramatic reduction in the costs and complexity of the motorizing device with respect to the solutions provided up to now, and further ensures a very high reliability and easiness of mantainence.
  • The invention is applicable to any type of overhead swinging door, also with a different balancing arrangement and for any use (for a garage or others).
  • It is to be submitted, furthermore, that the terms "cable means" and "chain means" which appear in the present description and in the following claims are intended to indicate any transmission element equivalent to a cable or a chain.
  • The above described arrangement may be adopted on one side only or on both sides of the door.
  • In a preferred embodiment, the door according to the invention is further characterized in that it includes a bolt device driven by a solenoid for locking the door in the closed condition. Preferably, the bolt device includes a bolt carried by the fixed frame and a coupling element for cooperation with the bolt carried by the door, said bolt being elastically biassed into its closed position and being movable towards the opened position by solenoid control means. When the door il locked, this coupling elements can be retracted towards a bolt disengaging position by a manually operable mechanism, so as to allow the opening of the door in case of an interruption of supply to the solenoid control means. Said manually operable mechanism includes a key - operable latch and may be the conventional mechanism with which any non-motorized overhead swinging door is provided.
  • The invention obviously also provides the motorizing device per se, which can be adapted on a overhead swinging door which is not originally provided with a motorized device. The essential features of this device are indicated in the annexed claim 13.
  • Further features and advantages of the invention will become apparent from the following description with reference to the annexed drawings, given purely by way of non limiting example, in which:
    • Figure 1 shows a diagrammatic side view of an overhead swinging door according to a prior art, which is not provided with a motorizing device,
    • Figure 2 shows a corresponding view of a motorized overhead door according to the invention,
    • Figure 3 shows a perspective view of the door of figure 2, and
    • Figure 4 shows in an enlarged scale a detail of the door according to the invention.
  • In figure 1, reference numeral 1 generally designates an overhead swinging door according to the prior art, which is not provided with a motorizing device. The door 1 comprises a door structure 2 swingably mounted around a horizontal axis on two side supports 3 which are movable in two vertical side guides 4 forming parts of the fixed frame of the door. In figure 1, the closed vertical position of the door is shown by undotted line, whereas by dotted lines there are indicated the opended horizontal position and an intermediate position.
  • The door is also connected to the fixed structure by two side arms 5 each pivoted in 6 to the fixed structure. The opposed end 7 of each arms is pivoted to the door 2 and is therefore constrained to move along a circular path 8.
  • Each side support 3 is also connected to a respective counterweight 9 by a metal cable 13 which is re-directed around an upper pulley 10 freely rotatably mounted on the fixed structure around a horizontal axis 11. The door 1 is also provided, in the usual way, with a handle 21 for the manual opening and closing operation, as well as with a key - operable latch for locking the door in the closed position.
  • In the example shown in figure 2, a door of the type of figure 1 is motorized simply by connecting at least one of the two side supports 3 to the respective conunterweight 9 by a chain 12 of rollers which forms an endless ring with cable 13. The chain 12 is in engagement with a lower pulley 14, having an axis 15 parallel to the axis of the upper pulley 10. The puller 13 is mounted on the output schaft of a motor and reducing gear unit 16, including an electric motor and a screw-wheel reducing unit, for example of the type used for driving electric car windows.
  • Since the door is balanced by counterweights 9, the motor and reducing unit can have a low power. Activation thereof in either direction cause the lowering or raising respectively of counterweights 9 and consequential opening or closing of the door.
  • The embodiment of figure 2 is also visible in perspective view in figure 3, which clearly showes that the above described arrangement is provided only on one side of the door and is located inside the upright forming part of the fixed frame of the door and containing the counterweight. However, it is also possible to provide the same arrangement on both sides of the door. Figure 3 shows also a bolt device 17 for locking the door in its closed condition. This devices comprises a bolt 18 driven by a solenoid, which is visible in an enlarged scale in figure 4. The inner construction details of this device are not shown since they can be of any known type. The device 17 is mounted on the fixed structure over the door. The bolt 18 cooperates with a coupling element 19 carried by the door in order to lock the latter in the closed position. The bolt is biassed by spring means (not shown) into the position engaging element 18 and can be desengaged from the latter by a solenoid control device of the type usually used in electric door latches. The coupling element 19 is not mounted in fixed position on the door 2, and can be moved away from engagement with the bolt by a mechanism 20 with a handle 21 provided with a key - operable latch. Thus, it is possible to open the door where the latter is locked and an interruption of supply has occurred. The handle may be that usually provided in all non-motorized overhead doors.
  • The door according to the invention is preferably provided with a safety device of any known type, as a friction coupling on the schaft of the motor and reducing unit or with a device for controlling the current absorbtion of the motor, in order to protect the system and as a safety measure in case anything prevents the movement of the door. In case a torque limiting friction coupling device is used, this device is preferably of the type which allows the maximum transmissable torque to be adjusted.
  • Naturally, the principle of the invention remaining the same, the details of construction and the embodiments may widely vary with respect to the described example.

Claims (13)

  1. Motorized overhead swinging door for a garage or the like, of the type comprising:
    a fixed support frame, including two vertical side guides (4),
    two side supports (3) movable within said side guides (4),
    a door structure (2) swingably mounted around a horizontal axis on said supports (3) and also connected to said fixed frame by two pivoted side arms (5),
    a pair of counterweights (9) slidably guided along the vertical direction within said fixed frame and each connected to a respective one of said side supports by cable means (13) re-directed over a respective upper pulley (10) having a fixed axis, and
    a motor unit for driving the door,
    characterized in that at least one of said counterweights (9) is connected to the respective side support both, on the upper side, by said cable means (13) and, at the lower side, by chain means (12) which forms an endless ring with said cable means (13), and are redirected around a respective lower wheel (14), said motor unit (16) being arranged to drive said lower wheel (14).
  2. Motorized overhead swinging door according to claim 1, characterized in that said motor unit (16) includes and electric motor and a reducing gear located within said fixed frame.
  3. Motorized overhead swinging door according to claim 2, characterized in that said motor unit is a conventional unit available in the market, of the type adapted to cooperate with roller chain means, such as for car electric windows.
  4. Motorized overhead swinging door according to claim 1, characterized in that it is provided with a bolt device (17) driven by a solenoid for locking the door in the close condition.
  5. Motorized overhead swinging door according to claim 4, characterized in that the bolt device includes a bolt (18) carried by the fixed frame and a coupling element (19) cooperating with the bolt carried by the door, said bolt (18) being elastically biassed into the close position and being movable towards the opened position by solenoid control means.
  6. Motorized overhead swinging door according to claim 5, characterized in that when the door is locked said coupling element (19) can be retracted towards a bolt disengaging position by a manually operable mechanism (20), so as to allow the opening of the door in case an interrupion in the supply to the solenoid control means occurs.
  7. Motorized overhead swinging door according to claim 6, characterized in that said manually operable mechanism includes a key-operable latch.
  8. Motorized overhead swinging door according to claim 1, characterized in that the above described arrangement is provided only of one side of the door.
  9. Motorized overhead swinging door according to claim 1, characterized in that the above described arrangement is provided on each side of the door.
  10. Motorized overhead swinging door, according to claim 2, characterized in that it is provided with a safety device to protect the electric motor in case the movement of the door is prevented.
  11. Motorized overhead swinging door according to claim 10, characterized in that the safety device includes a torque limiting adjustable coupling device, interposed between the shaft of the electric motor and the lower wheel.
  12. Motorized overhead swinging door according to claim 10, characterized in that said safety device includes a device for controlling the current absorbtion by the electric motor and means for deactivating the motor in case such absorbtion overcomes a predetermined level.
  13. Device for motorizing an overhead swinging door, said door being of the type comprising:
    a fixed support frame, including two vertical side guides (4),
    two side supports (3) movable within said side guides (4), a door structure, swingably mounted around a horizontal axis on said side supports and also connected to the fixed frame by two pivoted side arms (5).
    a pair of counterweights (9) slidably guided along the vertical direction within said fixed frame and each connected to a respective one of said supports by cable means redirected over a respective upper pulley having a fixed axis,
    characterized in that said device includes, at least for one of said counterweights:
    chain means which connect said counterweight, at the lower side, to the respective side support, so as to form an endless ring with said cable means,
    a lower wheel for re-directing said chain means, and
    a motor unit for driving said lower wheel.
EP93830317A 1992-10-09 1993-07-20 Device for motorizing an overhead swinging door for a garage or the like, and motorized overhead swinging door provided with this device Withdrawn EP0592374A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO920816A IT1256964B (en) 1992-10-09 1992-10-09 DEVICE FOR THE MOTORIZATION OF A GARAGE TILTING DOOR OR SIMILAR, AND MOTORIZED TILTING DOOR EQUIPPED WITH SUCH DEVICE
ITTO920816 1992-10-09

Publications (1)

Publication Number Publication Date
EP0592374A1 true EP0592374A1 (en) 1994-04-13

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ID=11410768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93830317A Withdrawn EP0592374A1 (en) 1992-10-09 1993-07-20 Device for motorizing an overhead swinging door for a garage or the like, and motorized overhead swinging door provided with this device

Country Status (2)

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EP (1) EP0592374A1 (en)
IT (1) IT1256964B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788552A1 (en) 1999-01-15 2000-07-21 Novoferm France Garage/large opening door motorised up and over mechanism having motor drive ceiling position mounted above door and door vertical/horizontal movement producing using gliding channel.
FR2907153A1 (en) * 2006-10-17 2008-04-18 Systemes D Automatismes Fermet Adjustable/tiltable garage door for closing garage opening, has rod to guide backplate against plunger by pendular movement ascending around axle of top roller, and protection end to cover junction between backplate and plunger
EP1959084A2 (en) * 2006-11-07 2008-08-20 Spyridon Andriopoulos Electrically operated mechanism for the vertical displacement of a sliding fireplace door
FR2928167A1 (en) * 2008-02-29 2009-09-04 Albert Moos Tilting garage door, has compensation body including bottom point linked to post and top point coupled to door leaf by reduction device arranged for splitting course of rotational axis between top and bottom positions
FR2988419A1 (en) * 2012-03-26 2013-09-27 Portes Automatiques D B M Installation for closing-opening of tilting doors of garage, has support apron integrated in frame, where frame receives shoe established in plane of support and receives guidance roller that is attached with support apron
FR3021340A1 (en) * 2014-05-22 2015-11-27 Albert Moos ROLLING GARAGE DOOR WITH LINEAR DISPLACEMENT
FR3090724A1 (en) 2018-12-23 2020-06-26 Michel Gelin Motorization and position holding device for pivoting garage door pushing back to the ceiling of a garage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB765147A (en) * 1955-02-16 1957-01-02 Westland Engineers Ltd Improvements in and relating to overhead doors
AU410773B1 (en) * 1967-08-02 1971-03-03 Kennis Products Proprietary Limited Improved lift up door
DE2627894A1 (en) * 1976-06-22 1978-01-05 Hans Juergen Dr Ing Reinhard Motor driven rope actuated garage door - has additional rope connected to pins on door sides and to counterweights slidable in tubes
DE3921158A1 (en) * 1989-06-28 1991-01-10 Pintsch Bamag Ag Automatic double-panel door opening and closure drive - has constant closing force with set-point control such that obstruction reduces armature current and torque
GB2238578A (en) * 1989-11-29 1991-06-05 Patrick Hyder Alley Drive for up-and-over doors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB765147A (en) * 1955-02-16 1957-01-02 Westland Engineers Ltd Improvements in and relating to overhead doors
AU410773B1 (en) * 1967-08-02 1971-03-03 Kennis Products Proprietary Limited Improved lift up door
DE2627894A1 (en) * 1976-06-22 1978-01-05 Hans Juergen Dr Ing Reinhard Motor driven rope actuated garage door - has additional rope connected to pins on door sides and to counterweights slidable in tubes
DE3921158A1 (en) * 1989-06-28 1991-01-10 Pintsch Bamag Ag Automatic double-panel door opening and closure drive - has constant closing force with set-point control such that obstruction reduces armature current and torque
GB2238578A (en) * 1989-11-29 1991-06-05 Patrick Hyder Alley Drive for up-and-over doors

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788552A1 (en) 1999-01-15 2000-07-21 Novoferm France Garage/large opening door motorised up and over mechanism having motor drive ceiling position mounted above door and door vertical/horizontal movement producing using gliding channel.
FR2907153A1 (en) * 2006-10-17 2008-04-18 Systemes D Automatismes Fermet Adjustable/tiltable garage door for closing garage opening, has rod to guide backplate against plunger by pendular movement ascending around axle of top roller, and protection end to cover junction between backplate and plunger
EP1959084A2 (en) * 2006-11-07 2008-08-20 Spyridon Andriopoulos Electrically operated mechanism for the vertical displacement of a sliding fireplace door
EP1959084A3 (en) * 2006-11-07 2010-03-17 Spyridon Andriopoulos Electrically operated mechanism for the vertical displacement of a sliding fireplace door
FR2928167A1 (en) * 2008-02-29 2009-09-04 Albert Moos Tilting garage door, has compensation body including bottom point linked to post and top point coupled to door leaf by reduction device arranged for splitting course of rotational axis between top and bottom positions
FR2988419A1 (en) * 2012-03-26 2013-09-27 Portes Automatiques D B M Installation for closing-opening of tilting doors of garage, has support apron integrated in frame, where frame receives shoe established in plane of support and receives guidance roller that is attached with support apron
FR3021340A1 (en) * 2014-05-22 2015-11-27 Albert Moos ROLLING GARAGE DOOR WITH LINEAR DISPLACEMENT
FR3090724A1 (en) 2018-12-23 2020-06-26 Michel Gelin Motorization and position holding device for pivoting garage door pushing back to the ceiling of a garage

Also Published As

Publication number Publication date
ITTO920816A0 (en) 1992-10-09
IT1256964B (en) 1995-12-27
ITTO920816A1 (en) 1994-04-09

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