EP0417138A1 - Mecanisme d'ouverture pour ferme-porte. - Google Patents

Mecanisme d'ouverture pour ferme-porte.

Info

Publication number
EP0417138A1
EP0417138A1 EP89905823A EP89905823A EP0417138A1 EP 0417138 A1 EP0417138 A1 EP 0417138A1 EP 89905823 A EP89905823 A EP 89905823A EP 89905823 A EP89905823 A EP 89905823A EP 0417138 A1 EP0417138 A1 EP 0417138A1
Authority
EP
European Patent Office
Prior art keywords
door
driver
opening mechanism
opening
door closer
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.)
Granted
Application number
EP89905823A
Other languages
German (de)
English (en)
Other versions
EP0417138B1 (fr
Inventor
Runo Nord
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.)
SOEDERHAMN INNOVATION AB
Original Assignee
SOEDERHAMN INNOVATION AB
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 SOEDERHAMN INNOVATION AB filed Critical SOEDERHAMN INNOVATION AB
Priority to AT89905823T priority Critical patent/ATE85395T1/de
Publication of EP0417138A1 publication Critical patent/EP0417138A1/fr
Application granted granted Critical
Publication of EP0417138B1 publication Critical patent/EP0417138B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/224—Additional arrangements for closers, e.g. for holding the wing in opened or other position for assisting in opening the wing
    • 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
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/214—Disengaging means
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/24—Actuation thereof by automatically acting means using lost motion
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/422—Function thereof for opening
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/434—Electromotors; Details thereof
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements
    • E05Y2201/656—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
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/3013—Electronic control of motors during manual wing operation
    • E05Y2400/3015—Power assistance
    • 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
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • This invention relates to an opening mechanism for a door closer of the type comprising a housing which can be fixedly mounted on a wall and which via a rotatable shaft supports a pivot arm which is connectible to a door or the like and which, when the door is opened, bring about tem ⁇ porary tensioning or compression of a spring mechanism incorporated in said housing, for automatically returning the door to closed position after completion of the open ⁇ ing movement, said opening mechanism comprising a driver which is movable by means of an electric motor via a mechanical transmission back and forth between an inactive position or initial position and an active position and which, on the one hand, when the door is opened manually remains in its inactive position in which it leaves the pivot arm unaffected and, on the other hand, when the motor is energised causes the pivot arm to move for open ⁇ ing the door without the need of any manual actuation of the door.
  • Conventional door closers are relatively inexpensive and adequately serve their purpose, i.e. after manual opening of the door bring about automatic closure thereof.
  • modern door closers which have a built-in accelerated closure effect, meaning that the door during its return movement towards closed posi ⁇ tion initially moves at a moderate speed ensuring a uni ⁇ form closure process, and finally at a substantially in- creased speed with a substantially increased force for a short period of time so as to efficiently overcome the resistance produced by locking bolts, friction and such like, thus bringing about a distinct closure of the door at the final stage of the closure process.
  • use is also made of mechanical door openers, especially on public premises, business pre ⁇ mises and the like.
  • the door is not only closed but also opened, more specifically by means of some type of remote control system electrical ⁇ ly activating a hydraulic assembly associated with the door.
  • the remote control system generally consists of manually operable trigger means placed at a certain dis ⁇ tance in front of the door or of photocells which automa ⁇ tically sense if a person is approaching the door and then open it.
  • a common feature of prior art door openers how ⁇ ever is that they involve very high manufacturing and in- stallation costs.
  • Another major drawback is that it is im ⁇ possible after a power failure to manually open the door before a special switch has been manually switched from one state to another. If a panicky situation should arise on premises subjected to a power failure before the door opener has been switched, most unpleasant consequences may result.
  • the present invention aims at overcoming the above- mentioned drawbacks of the opening mechanism.known from 4,348,835 by providing an inexpensive opening mechanism which is reliable and operates without affecting the fun tion of the conventional door closer in respect of the above-mentioned accelerated closure effect.
  • the driv is adapted to move rectilinearly between its end positio and, when operated, to act on an auxiliary arm rigidly connected to the rotatable shaft and extending at an ang to the rectilinear path of movement of the driver so as be operated with a relatively large lever arm during the initial stage as well as the final stage of an opening operation, but with a shorter lever arm during an inter ⁇ mediate stage thereof.
  • FIG 1 is a top plan view of a door closer and an openin mechanism according to the invention applied ther to
  • Fig. 2 is a vertical front view of the opening mechanism
  • FIG.3 is a perspective view showing an opening mechanis applied to a door.
  • 1 generally designates a door closer comprising in conventional manner a housing 2 which via a rotatable shaft 3 supports a pivot arm 4 in turn articu ⁇ lated to a link arm 5 having an attachment 6 which can be applied to the pivotal door or door leaf.
  • the housing 2 can be applied to the wall surrounding the door or to the door frame, more specifically in the region immediately above the door.
  • the rotatable shaft 3 may advantageously be a through shaft to permit mounting the pivot arm 4 on either of the sides of the housing to make it possible to apply the door closer to both right-hung and left-hung doors.
  • the arm 4 is swung clockwise in Fig.
  • an opening mechanism which is incorporated in the housing 1 and which, after completion of the opening movement, causes the door to automatically return to closed position.
  • This opening mechanism comprises an electric motor 8 mounted on a frame 7, a transmission ge ⁇ nerally designated 9 and, in this case, two drivers 10, 10'.
  • the drivers 10, 10' advantageously are in the form of wheels or rollers provided with bearings and mounted on a shaft 11 supported by a slide member 12 movable back and forth. More particularly, the slide member 12 is rectili ⁇ nearly movable back and forth along a guide 13 fixedly mounted on the frame 7.
  • the wheels 10, 10' serving as drivers are adapted to cooperate with a pair of auxiliary arms 14, 14' which are rigidly or non-rotatably connected to one and the same through shaft 3 to which the pivot arm 4 is also rigidly connected.
  • the auxiliary arms 14, 14' extend at an acute angle to the pivot arm 4 and also at an acute angle to the rectilinear path of movement defined by the wheels 10, 10' when the slide member 12 moves along the guide 13.
  • the electric motor 8 which in practice may be a con ⁇ ventional windscreen-wiper motor, has an output drive shaft 15 provided with a gear rim 16 non-rotatably con ⁇ nected to the shaft.
  • the transmission 9 consists of a chain which is passed around the gear rim 16 and one end of which is fixedly connected to the slide member 12 by means of an attachment 17, while the other end of the chain is fixed to a relatively weak tension spring 18 whose end remote from the chain is fixed to the frame 7 at a point designated 19.
  • To the attachment or member 17 is further fixed one end of a second tension spring 20 whose oppposite end is fixed to the frame 7 at a point 21.
  • the second tension spring 20 is advantageously more powerful than the first spring 18.
  • the motor 8 is suitably controlled by an electronic circuit with a built-in time relay or the like by means of which the drive shaft 15 can be caused first to rotate counter- clockwise in Fig. 2, and then remain stationary in a given position for a predetermined period of time and finally caused to rotate in the opposite direction of rotation.
  • the slide member 12 may be guided in a manner known per se along the guide 13 by means of a plurality of balls 22 arranged in an endless configuration.
  • the opening mechanism now described operates in the following way. If it is desirable to open a door mechani ⁇ cally by means of the inventive opening mechanism, the motor 8 is energised in a suitable manner, for instance by operating a trigger mechanism or the like.
  • the shaft 15 is then caused to rotate counterclockwise in Fig. 2, the por ⁇ tion of the chain 9 extending between the gear rim 16 and the point of attachment 17 imparting to the slide member 12 a rectilinear movement to the left in Fig. 2.
  • the wheels 10, 10' serving as drivers will then entrain the auxiliary arms 14 and cause them to pivot, thereby rotat- ing the shaft 3, such that the pivot arm 4, together with the associated link arm 5 is also caused to pivot for opening the door.
  • the movements of the slide member and the drivers 10, 10' between the two opposite end positions may in practice be determined by two limit switches 23, 24, the distance therebetween being selectable so that the mechanism opens the door e.g. to a position at 90° to the closed position.
  • the motor 8 is stopped and is allowed to re- main stationary for a suitable period of time, for in ⁇ stance 5-30 seconds, whereupon it is reversed so that the drive shaft is rotated clockwise in Fig. 2.
  • the tension spring 20 acting as return spring will then return the slide member 12 to the initial position shown in Fig. 2.
  • the spring 18 ensures that the chain passing around the gear rim 16 is held properly stretched.
  • the speed of rotation of the drive shaft 15 of the motor is so selected that the driver wheels 10, 10' move faster than the auxiliary arms 14, such that the driver wheels leave their engagement with the auxiliary arms as soon as the return movement of the slide member is started.
  • the ordinary closure characteris ⁇ tics of the door closer 1 remain unaffected by the driver wheels, whereby the accelerated closure effect integrated in the door closer is automatically provided at the end of the door closing process without any interference from the driver wheels.
  • the inventive opening mechanism is most inexpensive and, in combination with the also inexpensive door closer, offers an economically very competitive al ⁇ ternative to the conventional door opener. It may be pointed out that the inventive opening mechanism not only can be designed as a separate accessory unit which can be mounted on an existing door closer, but also can be de- signed as an integrated part of the door closer.
  • the mechanism can be mo ⁇ dified in may different ways. Although it is preferred to provide it with two driver means and two auxiliary arms (producing a distributed action of force on the opposite sides of the slide member), it is conceivable to provide the mechanism with one such means only. Further, it may consist of a projection other than a wheel.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

La présente invention se rapporte à un mécanisme d'ouverture pour ferme-porte comprenant un logement (2) qui, par l'intermédiaire d'un arbre rotatif (3), soutient un bras de pivot (4), lequel, lors de l'ouverture de la porte, assure la tension temporaire d'un mécanisme à ressort pour refermer automatiquement la porte à la fin du mouvement d'ouverture. Le mécanisme d'ouverture comporte un organe d'entraînement (10) qui est mû au moyen d'un moteur électrique (8) via une transmission (9) vers l'arrière et vers l'avant et qui, lors de l'ouverture de la porte, reste en position inactive, dans laquelle il n'affecte pas le bras de pivot (4), et qui, lors de la mise sous tension du moteur (8), entraîne le bras de pivot pour l'ouverture de la porte. L'organe d'entraînement (10) est conçu pour se déplacer en ligne droite entre ses positions terminales et, lorsqu'il est actionné, pour agir sur un bras auxiliaire (14) relié rigide à l'arbre rotatif (3).
EP89905823A 1988-05-16 1989-05-12 Mecanisme d'ouverture pour ferme-porte Expired - Lifetime EP0417138B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89905823T ATE85395T1 (de) 1988-05-16 1989-05-12 Oeffnungsmechanismus fuer tuerschliessvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8801842 1988-05-16
SE8801842A SE460612B (sv) 1988-05-16 1988-05-16 Oeppnarmekanism foer doerrstaengare

Publications (2)

Publication Number Publication Date
EP0417138A1 true EP0417138A1 (fr) 1991-03-20
EP0417138B1 EP0417138B1 (fr) 1993-02-03

Family

ID=20372344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89905823A Expired - Lifetime EP0417138B1 (fr) 1988-05-16 1989-05-12 Mecanisme d'ouverture pour ferme-porte

Country Status (4)

Country Link
EP (1) EP0417138B1 (fr)
AU (1) AU3734989A (fr)
SE (1) SE460612B (fr)
WO (1) WO1989011578A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5913763A (en) * 1993-07-19 1999-06-22 Dorma Door Controls, Inc. Method for controlling the operational modes of a door in conjunction with a mechanical door control mechanism
CA2124403C (fr) * 1993-07-19 2001-12-18 Mark A. Beran Dispositif de modification selective des parametres de commande d'ouverture/fermeture de porte
US6002217A (en) * 1997-08-19 1999-12-14 Dorma Door Controls, Inc. Door operating system
AU700255B3 (en) * 1998-08-18 1998-12-24 Auto Ingress Pty. Ltd. A door operator
DE19901033C2 (de) * 1999-01-14 2002-08-08 Dorma Gmbh & Co Kg Drehtürantrieb
DE19901229C2 (de) * 1999-01-14 2002-08-08 Dorma Gmbh & Co Kg Drehtürantrieb
DE10039099C5 (de) * 2000-08-07 2008-05-21 Dorma Gmbh + Co. Kg Türschließer-Anordnung mit einer elektromechanischen Antriebsvorrichtung
WO2005021914A1 (fr) 2003-09-03 2005-03-10 Dpnkd Holdings Inc. Systeme portatif pour faire fonctionner une porte automatique
DE102005032213A1 (de) * 2004-12-02 2006-06-08 Neudecker & Jolitz Gmbh & Co. Türöffner
FR2952112B1 (fr) * 2009-11-04 2013-11-08 Picard Serrures Huisserie active

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348835A (en) * 1979-12-31 1982-09-14 Stanley Jones Automatic door opening device
US4660324A (en) * 1985-08-30 1987-04-28 Nyenbrink Willard H Door opener

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8911578A1 *

Also Published As

Publication number Publication date
SE460612B (sv) 1989-10-30
WO1989011578A1 (fr) 1989-11-30
AU3734989A (en) 1989-12-12
EP0417138B1 (fr) 1993-02-03
SE8801842D0 (sv) 1988-05-16

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