EP0252554B1 - Fermeture de porte automatique - Google Patents

Fermeture de porte automatique Download PDF

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Publication number
EP0252554B1
EP0252554B1 EP19870201217 EP87201217A EP0252554B1 EP 0252554 B1 EP0252554 B1 EP 0252554B1 EP 19870201217 EP19870201217 EP 19870201217 EP 87201217 A EP87201217 A EP 87201217A EP 0252554 B1 EP0252554 B1 EP 0252554B1
Authority
EP
European Patent Office
Prior art keywords
door
piston
spring means
cam
jumper
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
Application number
EP19870201217
Other languages
German (de)
English (en)
Other versions
EP0252554A3 (en
EP0252554A2 (fr
Inventor
Wilhelmus Hubertus Michael Evers
Bernardus Antonius Matheus Franken
Lourens Kodde
Johannes Martines Franciscus Wijsbek
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.)
Chubb Lips Nederland BV
Original Assignee
Chubb Lips Nederland BV
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 Chubb Lips Nederland BV filed Critical Chubb Lips Nederland BV
Publication of EP0252554A2 publication Critical patent/EP0252554A2/fr
Publication of EP0252554A3 publication Critical patent/EP0252554A3/en
Application granted granted Critical
Publication of EP0252554B1 publication Critical patent/EP0252554B1/fr
Expired legal-status Critical Current

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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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • 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
    • E05F3/225—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the bottom of wings, e.g. details related to seals, covers, connections to the wings, embedding in the floor
    • 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
    • E05Y2201/624—Arms
    • E05Y2201/626—Levers
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/41—Concealed
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/452—Mounting location; Visibility of the elements in or on the floor or wall
    • 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

  • the present invention relates to automatic door-closing devices. More especially the invention is concerned with door-closing devices of the kind commonly referred to as floor springs.
  • the conventional floor spring comprises a unit to be mounted at floor level including a shaft to be coupled to the door so as to turn therewith as the door opens and closes.
  • An energy-accumulating spring is coupled to the shaft via a cam so that as the door is opened the cam turns to compress the spring. In the open position, the spring applies a force to the cam to restore it to its original position, so that when the door is released the cam turns the shaft to close the door once more.
  • Hydraulic damping means are also provided to cushion the closing movement of the door.
  • US-A-2752627 the origin of the features of the preamble of Claim 1 discloses a floor spring in which there are two cams coupled to the shaft, one for the energy-accumulating spring and the other for a hydraulic plunger of the damping means.
  • a follow-up spring relatively weak in comparison with the main spring, acts on the hydraulic plunger in order to keep its cam follower (roller) in contact with the respective cam.
  • a substantial opening force must be applied to the door.
  • oil is drawn into the corresponding cylinder from a surrounding reservoir through a non-return valve.
  • As the door closes and the plunger retracts oil is driven out from that cylinder through two separate orifices provided with respective adjustable needles, to select the rate of damped closing.
  • One aim of the present invention is to provide a device useable as a floor spring which is arranged so that, after any initial detent action on the door has been overcome, only a minimal force is required to move the door to its normal open position and compress the restoring spring.
  • a device will be of particular benefit to the elderly, handicapped or infirm who may have sufficient strength and mobility to "crack" the door a small initial angle but who would have difficulty in moving a door through its full opening angle against the resistance inherent in a conventional floor spring.
  • an automatic door-closing device comprises: a shaft to be coupled to a door so as to turn therewith as the door opens and closes; first cam means coupled to the shaft; first spring means coupled to the first cam means such as to be loaded thereby as the door is opened and to apply a force to the first cam means tending to restore the door to its closed position; second cam means coupled to the shaft; a piston coupled to the second cam means; and second spring means acting upon the piston such as to drive it in a first direction; closing movement of the door under the force of the first spring means acting through the second cam means to drive the piston in a second direction opposite to the first; characterised in that the strength of said second spring means and the form of the second cam means are so chosen such that during a substantial portion of the opening movement of the door the second spring means assists the opening of the door in opposition to the force of the first spring means; the piston causes fluid to flow through a circuit in opposite senses when it is driven in said first and second directions; and said circuit includes
  • the restoring spring unit 8 is more fully shown in Figures 2 and 3.
  • a coil spring 16 of high stiffness Within its casing 15 is housing a coil spring 16 of high stiffness.
  • One end of this spring engages an abutment plate 17 at one end of the casing 15, and the other end of the spring engages a second abutment plate (not shown) carried by the rod 7 so that the action of the spring is to urge the rod strongly to the right (as viewed in the Figures) to an extended position with respect to the casing.
  • the force with which the spring so acts is adjustable, and can be relieved eg for maintenance, by adjusting the axial position of the plate 17 in the casing 15 by means of four screws 18 threaded through the end of the casing and against which the plate 17 is thrust by the spring.
  • the illustrated unit also has a pivoted latch arm 19 to engage a side roller 20 on the rod 7 under an adjustable spring pressure 21, to provide a detent action against retracting movement of the rod.
  • a pin 36 held by the block 31 extends through one of the cross bores 34.
  • the lower limiting position of the jumper in the block is defined by the abutment of the pin 36 with the flat upper surface of the cross bore 34 within which it lies.
  • the upper limiting position of the jumper in the block is defined by the abutment of the tail of the jumper with the inner end wall 37 of the block.
  • FIG. 6 this shows the profile of the cam 4 which cooperates with the restoring spring unit 8. It is symmetrical about a central axis X to provide equivalent action in both opening directions of the door. Its central part is a depression 40 defining the closed position of the door. From here the profile rises quite steeply to positions approximately 12-15° either side of the axis and then rises gradually to positions slightly beyond 90° either side. Past the latter positions the profile is of constant radius.
  • the roller 9 is initially on the constant-radius portion of cam 5 and the door will therefore have a fast, undamped closing speed until the roller begins to rise up to the cusp 41.
  • the rod 13 is now pushed further back into the unit 14 to damp the final part of the closing movement of the door, the damping reaching a maximum as the roller 9 rises up the steepest part of the cusp 41, which corresponds to movement of the roller 6 into the depression 40 of cam 4, to ensure gentle closure.
  • the flutes 43 of the cam 5 are slightly overcut with respect to the splines (not shown) of the shaft 2 with which they engage, so that there is a small degree of lost angular motion between the shaft and cam.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Claims (7)

  1. Dispositif de fermeture automatique de porte, comprenant: un arbre (2) à coupler à une porte de façon à tourner avec elle lorsque la porte s'ouvre et se ferme; des premiers moyens formant came (4) couplés à l'arbre (2); des premiers moyens formant ressort (16) couplés aux premiers moyens formant came (4) de façon à être sollicités par ceux-ci lorsque la porte est ouverte et à appliquer aux premiers moyens formant came (4) une force qui tend à ramener la porte dans sa position fermée; des seconds moyens formant came (5) couplés à l'arbre (2); un piston (24) couplé aux seconds moyens formant came (5); et des seconds moyens formant ressort (25) agissant sur le piston (24) de façon à le déplacer dans une première direction; un mouvement de fermeture de la porte sous la force appliquée par les premiers moyens formant ressort (16) agissant à travers les seconds moyens formant came (5) pour déplacer le piston (24) dans une seconde direction opposée à la première;
    caractérisé en ce que la force desdits seconds moyens formant ressort (25) et la forme des seconds moyens formant came (5) sont choisies de telle sorte que, pendant une partie importante du mouvement d'ouverture de la porte, les seconds moyens formant ressort (25) aident à l'ouverture de la porte en s'opposant à la force appliquée par les premiers moyens formant ressort (16); en ce que le piston (24) provoque l'écoulement d'un fluide à travers un circuit (26) dans des sens opposés lorsqu' il est déplacé dans lesdites première et seconde directions; et en ce que ledit circuit (26) comprend des moyens d'étranglement (27) réagissant au sens de l'écoulement dans le circuit (26) et conçus de façon à être actifs lorsque le piston (24) est déplacé dans sa seconde direction (lorsque la porte se ferme) mais à être inactifs, ou moins actifs, lorsque le piston (24) est déplacé dans sa première direction (lorsque la porte s'ouvre).
  2. Dispositif suivant la revendication 1, dans lequel lesdits premiers moyens formant ressort (16) et ledit piston (24) sont disposés dans des structures (8, 14) placées côte à côte et avec leurs lignes d'action respectives généralement parallèles; la ligne d'action de l'un desdits premiers moyens formant ressort (16) ou dudit piston (24) coupant l'axe dudit arbre (2), ou le coupant presque, tandis que la ligne d'action de l'autre desdits premiers moyens formant ressort (16) ou dudit piston (24) est déportée de l'axe dudit arbre (2); et où ledit autre desdits premiers moyens formant ressort (16) ou dudit piston (24) est couplé aux moyens formant came respectifs (4 ou 5) par un levier (10) articulé à une première extrémité (11), coupant ladite ligne d'action déportée à son autre extrémité (12) et portant entre ses extrémités des moyens formant galet suiveur (9) à appliquer sur les moyens formant came (4 ou 5).
  3. Dispositif suivant la revendication 1 ou la revendication 2, dans lequel il est prévu que, dans une position prédéterminée dudit arbre (2) correspondant à la position fermée désirée de la porte, lesdits seconds moyens formant ressort (25) exercent sur lesdits seconds moyens formant came (5) une force orientée dans une direction appropriée pour ouvrir la porte, force à laquelle s'oppose et résiste la force desdits premiers moyens formant ressort (16) agissant sur lesdits premiers moyens formant came (4) pour stabiliser ainsi ladite position prédéterminée dudit arbre (2).
  4. Dispositif suivant la revendication 3, dans lequel ledit arbre (2) est conçu pour s'écarter en tournant de ladite position prédéterminée dans des directions opposées; lesdits premiers moyens formant came (4) présentent une dépression (40) dans laquelle lesdits moyens formant galet suiveur (6) desdits premiers moyens formant ressort (16) se trouvent dans ladite position prédéterminée; lesdits seconds moyens formant came (5) présentent un point de rebroussement (41) avec lequel les moyens formant galet suiveur (9) desdits seconds moyens formant ressort (25) sont en contact dans ladite position prédéterminée; et lesdits seconds moyens formant came (5) sont montés avec un degré limité de course angulaire morte par rapport auxdits premiers moyens formant came (4) de sorte que, lors du retour de l'arbre (2) à ladite position prédéterminée après l'avoir quittée dans l'une ou l'autre direction lorsque la porte s'est ouverte, lesdits moyens formant galet suiveur (9) desdits seconds moyens formant ressort (25) restent en contact avec une partie dudit point de rebroussement (41) sur le côté de la couronne de celui-ci qui était présenté auxdits moyens formant galet suiveur (9) lorsque la porte était ouverte.
  5. Dispositif suivant l'une ou l'autre des revendications précédentes, dans lequel lesdits seconds moyens formant came (5) présentent un profil étagé (42) destiné à toucher les moyens formant galet suiveur (9) dudit piston (24) et desdits seconds moyens formant ressort (25) lorsque la porte a été ouverte jusqu'à un angle spécifié, pour retarder ainsi la fermeture de la porte depuis cet angle sous la force exercée par lesdits premiers moyens formant ressort (16).
  6. Dispositif suivant l'une ou l'autre des revendications précédentes, dans lequel lesdits moyens d'étranglement (27) comprennent un pointeau (30) ayant une partie de tête (29) qui coopère avec un passage d'écoulement complémentaire (28), lequel fait partie dudit circuit (26), le pointeau (30) étant supporté de façon à pouvoir effectuer un mouvement axial limité par rapport audit passage (28) de manière à faire varier la section de passage effective disponible pour l'écoulement qui le traverse; une première extrémité dudit passage d'écoulement (28) communiquant par des moyens formant conduite (26R) avec un espace de cylindre (23) d'un premier côté dudit piston (24); l'autre extrémité dudit passage d'écoulement (28) s'ouvrant dans une cavité (32) qui communique par des moyens formant conduite (26R) avec un espace de cylindre (23) de l'autre côté dudit piston (24); le pointeau (30) présentant dans une partie intermédiaire une ou plusieurs ouvertures (34) qui communiquent avec ladite cavité (32) dans toutes les positions du pointeau (30) et par lesquelles la pression du fluide dans ladite cavité (32) est transmise par un passage (35) ménagé dans le pointeau (30) à un espace fermé (38) à l'extrémité arrière de celui-ci; un mouvement du piston (24) tendant à comprimer l'espace de cylindre (23) dudit premier côté de celui-ci, sous l'action desdits seconds moyens formant ressort (25), mettant ainsi sous pression ladite première extrémité dudit passage d'écoulement (28), ce qui oblige le pointeau (30) à se déplacer de façon à augmenter la section de passage effective disponible pour l'écoulement de fluide à travers ce passage (28), tandis qu'un mouvement du piston (24) tendant à comprimer l'espace de cylindre (23) dudit autre côté de celui-ci, sous la force desdits premiers moyens formant ressort (16) agissant à travers les seconds moyens formant came (5), met sous pression la cavité (32) et ainsi ledit espace fermé (38) à l'extrémité arrière du pointeau (30), obligeant le pointeau (30) à se déplacer de façon à réduire la section de passage effective disponible pour l'écoulement de fluide à travers ledit passage d'écoulement (28).
  7. Dispositif suivant la revendication 6, dans lequel le pointeau (30) est supporté de façon à pouvoir effectuer un mouvement axial limité dans un support (31) qui est lui-même activement ajustable en position pour se rapprocher ou s'éloigner dudit passage d'écoulement (28), pour ajuster ainsi les positions limites de la partie de tête (29) du pointeau (30) par rapport audit passage d'écoulement (28).
EP19870201217 1986-07-11 1987-06-25 Fermeture de porte automatique Expired EP0252554B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868616922A GB8616922D0 (en) 1986-07-11 1986-07-11 Automatic door closer
GB8616922 1986-07-11

Publications (3)

Publication Number Publication Date
EP0252554A2 EP0252554A2 (fr) 1988-01-13
EP0252554A3 EP0252554A3 (en) 1988-06-08
EP0252554B1 true EP0252554B1 (fr) 1991-10-09

Family

ID=10600889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870201217 Expired EP0252554B1 (fr) 1986-07-11 1987-06-25 Fermeture de porte automatique

Country Status (3)

Country Link
EP (1) EP0252554B1 (fr)
DE (1) DE3773552D1 (fr)
GB (2) GB8616922D0 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2321257A1 (es) * 2005-12-12 2009-06-03 S.A. Levasseur Systemes "dispositivo de apertura y cierre de una hoja de puerta de tipo vaiven".
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint
DE102013100293A1 (de) 2013-01-11 2014-07-17 Eco Schulte Gmbh & Co. Kg Türschließerantrieb

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008005721U1 (de) * 2008-04-24 2008-07-10 Dorma Gmbh + Co. Kg Türschließer mit einer hydraulischen Schließverzögerung
GB2479145A (en) * 2010-03-29 2011-10-05 Ingersoll Rand Security Technologies Ltd Door closer having two springs
WO2018234313A1 (fr) * 2017-06-19 2018-12-27 Fritsjurgens Holding B.V. Charnière de porte pivotante

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752627A (en) * 1953-02-26 1956-07-03 George W Houlsby Jr Pivotal door check device
DE1036711B (de) * 1954-04-08 1958-08-14 Ver Baubeschlag Gretsch Co Schliesser fuer die Fluegel von Tueren, insbesondere Bodentuerschliesser
GB1059033A (en) * 1962-09-06 1967-02-15 Stanmore Springs Ltd Improved floor door spring unit
GB1003273A (en) * 1963-03-29 1965-09-02 William Newman & Sons Ltd Adjustable valve means for controlling the flow of a fluid
GB997269A (en) * 1963-06-17 1965-07-07 Tonks Birmingham Ltd Door closers
DE1584237C3 (de) * 1966-11-12 1975-02-13 Vereinigte Baubeschlagfabriken Gretsch & Co Gmbh, 7250 Leonberg Schließer für Pendeltüren
GB1239915A (en) * 1967-05-15 1971-07-21 Stanmore Springs Ltd Improvements in hydraulic check floor springs
GB1192074A (en) * 1967-09-27 1970-05-20 Dormech Doorsprings Ltd Improvements in and relating to Floor Door Springs
DE1948705A1 (de) * 1969-09-26 1971-04-01 Doerken & Mankel Kg Selbsttaetiger Tuerschliesser,insbesondere Pendeltuerschliesser
GB2156950B (en) * 1984-04-04 1988-01-13 Newman Tonks Eng Flow control valve and door closer incorporating such a valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint
US9121217B1 (en) 2001-07-13 2015-09-01 Steven M. Hoffberg Intelligent door restraint
ES2321257A1 (es) * 2005-12-12 2009-06-03 S.A. Levasseur Systemes "dispositivo de apertura y cierre de una hoja de puerta de tipo vaiven".
DE102013100293A1 (de) 2013-01-11 2014-07-17 Eco Schulte Gmbh & Co. Kg Türschließerantrieb

Also Published As

Publication number Publication date
EP0252554A3 (en) 1988-06-08
GB2192426A (en) 1988-01-13
GB2192426B (en) 1989-12-20
GB8715980D0 (en) 1987-08-12
DE3773552D1 (de) 1991-11-14
GB8616922D0 (en) 1986-08-20
EP0252554A2 (fr) 1988-01-13

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