EP2921626B2 - Ferme-porte - Google Patents

Ferme-porte Download PDF

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Publication number
EP2921626B2
EP2921626B2 EP14160683.0A EP14160683A EP2921626B2 EP 2921626 B2 EP2921626 B2 EP 2921626B2 EP 14160683 A EP14160683 A EP 14160683A EP 2921626 B2 EP2921626 B2 EP 2921626B2
Authority
EP
European Patent Office
Prior art keywords
closer
piston
housing
shaft
door
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.)
Active
Application number
EP14160683.0A
Other languages
German (de)
English (en)
Other versions
EP2921626B1 (fr
EP2921626A1 (fr
Inventor
Singer Lothar
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.)
Gretsch Unitas GmbH Baubeschlaege
Original Assignee
Gretsch Unitas GmbH Baubeschlaege
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50289550&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2921626(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gretsch Unitas GmbH Baubeschlaege filed Critical Gretsch Unitas GmbH Baubeschlaege
Priority to EP14160683.0A priority Critical patent/EP2921626B2/fr
Priority to PL14160683.0T priority patent/PL2921626T5/pl
Publication of EP2921626A1 publication Critical patent/EP2921626A1/fr
Application granted granted Critical
Publication of EP2921626B1 publication Critical patent/EP2921626B1/fr
Publication of EP2921626B2 publication Critical patent/EP2921626B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E05Y2600/10—Adjustable
    • 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
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/32—Rotary motion
    • E05Y2600/322—Rotary motion around a horizontal axis
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/409—Physical or chemical protection against faulty mounting or coupling

Definitions

  • Door closers of the above type are used, for example, as overhead door closers.
  • a generic overhead door closer is in DE 102004 041 358 A1 disclosed.
  • a closer shaft transmits the closing force generated by a closer spring to the door leaf to be closed.
  • the closing force is at Opening the door wing, which then closes automatically.
  • a closer piston is arranged inside a door closer housing, which moves along a housing axis of the door closer housing when the door leaf is opened and closed.
  • the closer piston is supported on a lifting cam disk of the closer shaft via a bearing roller that can be rotated about a roller axis of rotation.
  • the bearing roller lies against a control surface of the lifting cam disk with a bearing surface that extends parallel to the roller axis of rotation.
  • the control surface of the lifting cam disk runs parallel to a shaft rotation axis about which the closer shaft provided with the lifting cam disk can be rotated.
  • the lifting cam disk on the closer shaft is subjected to the closing force by the closer spring via the closer piston and the bearing roller provided between the closer piston and the lifting cam disk.
  • the closer shaft carries out a rotary movement, which is converted into a closing movement of the door leaf, for example via a linkage.
  • the lifting cam disc attached to the closer shaft drives the bearing roller acting on it and, via this, the closer piston against the effect of a restoring force exerted by the closer spring along the housing axis of the door closer housing.
  • the door closer efficiency is also impaired because: If the lifting cam disk and/or the bearing roller is misaligned, a tilting moment acts on the closer piston during the force transmission between the lifting cam disk and the bearing roller, due to which the friction increases, which occurs during the movements of the closer piston along the housing axis between the closer piston and the inner wall leading it of the door closer housing occurs.
  • the object of the present invention is to remedy the described disadvantages of the prior art.
  • An optimal power transmission between the lifting cam disc provided on the closer shaft and the bearing roller on the closer piston side results when the control surface of the lifting cam disc, which is curved about the shaft rotation axis, and the bearing surface of the bearing roller, which is curved about the roller rotation axis, are in mutual line contact with one another in a support plane running along the shaft and roller rotation axes issue.
  • Mutual line contact between the control surface on the lifting cam disk and the bearing surface on the bearing roller occurs when both the shaft axis of rotation running parallel to the control surface of the lifting cam disk and the roller axis of rotation parallel to the bearing surface of the bearing roller run parallel to one another.
  • the surfaces on the lifting cam disk and the bearing roller that roll on one another when the door closer is actuated are subject to minimal wear at best. If the force transmitted between the lifting cam disk and the bearing roller is effective in a longitudinal center plane of the door closer that runs perpendicular to the support plane, the automatic mutual alignment of the control surface of the lifting cam disk and the bearing surface of the bearing roller causes an offset in the location of the force transmission between the lifting cam disk and the bearing roller compared to a mutual point contact at least reduced compared to the longitudinal center plane of the door closer.
  • the door closer according to the invention Due to the mentioned effects of the line contact between the lifting cam disk and the bearing roller, the door closer according to the invention has a particularly high level of efficiency.
  • the effort required to open the relevant door leaf is comparatively low.
  • the door closer components that generate the closing force and also the ones that transmit the closing force can be relatively small.
  • the use of materials in the production of the door closer according to the invention is relatively low and the manufacturing costs are relatively low.
  • the closer shaft can be mounted on the door closer housing in such a way that tilting movements of the closer shaft relative to the door closer housing are excluded, the tilting mobility required for the automatic mutual alignment of the lifting cam disk and the bearing roller is provided on the bearing roller side.
  • the bearing roller is supported on the closer piston essentially without play in the direction of the tilting mobility of the bearing surface of the bearing roller and the closer piston is tiltable relative to the door closer housing.
  • Such tilting mobility of the closer piston does not exist on conventional door closers, on which the closer piston is guided linearly via a fit on the door closer housing during movements along the housing axis.
  • the tilting mobility of the closer piston relative to the door closer housing is made possible by the fact that the closer piston has a non-uniform outer diameter along the housing axis.
  • the closer piston according to the invention has at least one piston section of smaller diameter, on which the closer piston is spaced from an inner housing wall of the door closer housing running along the housing axis, and at least one piston section of larger diameter, on which the closer piston is movable along the housing axis on the inner housing wall of the door closer housing is guided.
  • the smaller diameter piston section enables the desired tilting movement of the closer piston relative to the door closer housing due to the play existing between this piston section and the inner wall of the door closer housing.
  • the larger diameter piston section ensures effective guidance of the closer piston during movements along the housing axis. Only the radially expanded section of the closer piston is in contact with the inner wall of the door closer housing. Only this piston section must therefore have good sliding properties. Good sliding properties are dispensable for the piston section(s) with a reduced diameter. In the case of steel closing pistons, for example, there is no need to grind and harden the diameter-reduced closing piston sections.
  • the non-uniform outside diameter of the closing piston is realized in a preferred embodiment of the invention by grading the piston outside diameter.
  • a smaller diameter piston section is only to be provided on the side of the larger diameter piston section facing the bearing roller or on both sides of the larger diameter piston section so that the closer piston can carry out a tilting movement if necessary.
  • the closer piston is made up of several parts.
  • a piston base body forms the smaller diameter piston section, and a radial piston extension attached to the piston base body forms the larger diameter piston section.
  • a piston ring attached to the piston base body is provided as a radial piston extension.
  • Such piston rings are commercially available and can be connected to the piston base body in a simple manner in terms of production technology, for example inserted into a circumferential groove in the piston base body.
  • the multi-part nature of the closer piston offers the advantage that the nature of each of the piston parts can be tailored to the specific requirements.
  • patent claim 4 provides that the piston section of the larger diameter of the closing piston consists of a friction-reducing material on the side facing the inner wall of the housing.
  • a material can be selected for the piston base body that does not have any special sliding properties, but is, for example, particularly suitable for absorbing the forces acting between the closer piston and the closer shaft.
  • Claim 5 relates to a particularly practical design of the door closer according to the invention.
  • a closing spring is provided as the closing force generator and, accordingly, a spring piston is provided as the closing piston.
  • a door closer 1 comprises a closer shaft 2 with a lifting cam disk 3 formed thereon, a closer piston 4 with a bearing roller 5 rotatably mounted thereon, a closer spring 6 and an in Figure 3 Door closer housing 7 indicated by dashed lines.
  • the closer shaft 2 is rotatable about a shaft rotation axis 8 and is otherwise mounted on the door closer housing 7 without play.
  • the lifting cam disk 3 on the closer shaft 2 has a control surface 9 which extends parallel to the shaft rotation axis 8.
  • the bearing roller 5 can be rotated on the closing piston 4 about a roller axis of rotation 10 and forms a bearing surface 11 on its circumference. Otherwise, the connection between the bearing roller 5 and the closing piston 4 is free of play.
  • the closer piston 4 is arranged inside the door closer housing 7 along a housing axis 12 laterally next to the closer shaft 2 and is displaceable along the housing axis 12.
  • the closer piston 4 is pushed by the closer spring 6, which serves as a closing force generator, in the direction of the lifting cam disk 3 of the closer shaft 2 (arrow 13 in Figure 3 ) applied to force.
  • the outer diameter of the closing piston 4 is graduated along the housing axis 12.
  • Piston sections 15, 16 of smaller diameter are provided on both sides of a larger diameter piston section 14.
  • the larger diameter piston section 14 is formed by means of a piston ring 17 designed as a sliding ring, which is inserted into a circumferential groove 18 on a piston base body 19 of the closing piston 4.
  • the closer piston 4 in the example shown has an outer diameter of 34 mm corresponding to the inner diameter of the hollow cylindrical door closer housing 7.
  • the piston sections 15, 16 on both sides of the piston ring 17, which have a reduced diameter compared to the piston section 14, have a diameter of 33.7 mm and 33.5 mm. Accordingly, the closer piston 4 is only in contact with the inner wall of the door closer housing 7 at the piston section 14.
  • the door closer 1 is mounted in the usual manner on a door leaf, not shown, and is connected to a fixed door frame on the closer shaft 2 via a linkage of a conventional design, also not shown.
  • the Figures 1 to 4 show the conditions on the door closer 1 with the door closed.
  • the closer shaft 2 which is connected to the fixed door frame via the linkage, performs a rotary movement in an opening direction 20 together with the lifting cam disk 3 formed on it ( Figure 3 ).
  • the control surface 9 of the lifting cam disk 3 and the bearing surface 11 of the bearing roller 5 roll on one another and the closer piston 4 inside the door closer housing shifts along the housing axis 12 against the effect of the closer spring 6 acting on it Figure 3 To the right.
  • the closer spring 6 is biased due to the movement of the closer piston 4.
  • the closer spring 6 can relax. As a result of the application of force by the closer spring 6, the closer piston 4 moves along the housing axis 12 back into the position according to Figure 3 .
  • the closing force exerted by the closer spring 6 in the direction of arrow 13 is transferred via the bearing roller 5, which is rotatably mounted on the closer piston 4, into the lifting cam disk 3 of the closer shaft 2 and thereby causes a closing rotational movement of the lifting cam disk 3 and the closer shaft 2 in the opposite direction to the opening direction 20
  • the closing rotational movement of the closer shaft 2 is converted into a closing movement of the door leaf provided with the door closer 1 via the linkage between the closer shaft 2 and the fixed door frame. Due to the geometry of the lifting cam disk 3 or the control surface 9 provided on it, the force to be applied to open the door leaf and the force exerted on it when closing the door leaf vary in the desired manner over the opening angle of the door leaf.
  • a line contact of the bearing surface 11 on the bearing roller 5 and the control surface 9 on the lifting cam disk 3 occurs when the bearing surface 11 of the bearing roller 5 is parallel to the roller axis of rotation 10 and the control surface 9 of the lifting cam disk 3 is parallel to the shaft axis of rotation 8 and also the roller axis of rotation 10 and the shaft axis of rotation 8 are parallel to one another.
  • the actual conditions on the door closer 1 can deviate from such optimal conditions, for example as a result of manufacturing and/or assembly tolerances. What is particularly conceivable is an undesirable inclination of the closer shaft 2, as shown in Figure 4 is heavily exaggerated. If in this case the closer piston 4 had a uniform outer diameter and the closer piston 4 were consequently guided over its entire length on the inner wall of the door closer housing 7 along the housing axis 12, this would result in an in Figure 4 Point contact, indicated by dashed lines, of the bearing surface 11 on the bearing roller side and the control surface 9 on the closer shaft side. When opening and closing the door leaf, the lifting cam disk 3 and the bearing roller 5 would roll towards one another along a line of contact.
  • the lifting cam disk 3 and the bearing roller 5 would be subject to extremely strong wear when the door closer 1 is in operation.
  • the service life of the lifting cam disk 3 and the bearing roller 5 would be greatly reduced due to wear compared to the optimal conditions, and the efficiency of the door closer 1 would deteriorate due to wear.
  • a deterioration in the efficiency of the door closer 1 would also result from the fact that the point of mutual support of the lifting cam disk 3 and the bearing roller 5 is relative to an in Figure 4
  • the longitudinal center plane 22 of the door closer 1 also indicated by dashed lines, would be relatively far offset.
  • the longitudinal center plane 22 of the door closer 1 runs in Figure 2 perpendicular to the drawing plane along the housing axis 12.
  • the closer piston 4 can be positioned relative to the inner wall of the door closer housing 7 perform a pivoting movement, in which the piston ring 17 forms a pivot bearing for the closer piston 4 with the inner wall of the door closer housing 7.
  • the bearing surface 11 of the bearing roller 5, which is rotatably mounted on the closing piston 4 can adapt its orientation in the support plane 21 to the orientation of the control surface 9 of the lifting cam disk 3. Regardless of the inclination of the closer shaft 2, there is therefore line contact in the support plane 21 between the bearing surface 11 of the bearing roller 5 and the control surface 9 of the lifting cam disk 3.
  • the wear that occurs on the bearing surface and the control surface 9 during operation of the door closer 1 is minimized
  • the tilting moment acting on the closer piston 4 is compared to the conditions at in Figure 4 Alignment of the bearing roller 5 indicated by dashed lines is significantly reduced.
  • the closer piston 4 When moving along the housing axis 12, the closer piston 4 is exclusively on the piston ring 17 with the inner wall of the door closer housing 7 in contact. As a result of the good sliding properties of the piston ring 17, the movements carried out by the closer piston 4 against the action of the closer spring 6 and also the movements along the housing axis 12 carried out by the closer piston 4 due to the action by the closer spring 6 only involve a small amount of friction.

Landscapes

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

Claims (5)

  1. Ferme-porte comprenant
    • un boîtier (7),
    • un arbre de fermeture (2) monté tournant sur le boîtier (7) dudit ferme-porte, autour d'un axe de rotation (8), et muni, à l'intérieur dudit boîtier (7) du ferme-porte, d'un disque (3) à profil de came doté, à son tour, d'une surface de commande (9) s'étendant le long dudit axe de rotation (8) de l'arbre de fermeture (2),
    • un piston de fermeture (4) qui est guidé avec mobilité dans ledit boîtier (7) du ferme-porte, le long d'un axe (12) dudit boîtier s'étendant dans la direction transversale par rapport audit axe de rotation (8) de l'arbre de fermeture (2), et est disposé le long dudit axe (12) du boîtier, d'un côté dudit arbre de fermeture (2),
    • un générateur (6) de force de fermeture, qui sollicite en force ledit piston de fermeture (4) le long dudit axe (12) du boîtier, en direction dudit arbre de fermeture (2),
    • ainsi qu'un galet d'appui (5) qui est interposé entre ledit piston de fermeture (4) et ledit arbre de fermeture (2), peut tourner autour d'un axe de rotation (10) s'étendant le long de l'axe de rotation (8) dudit arbre, et comporte une surface d'appui (11) s'étendant le long dudit axe de rotation (10) du galet, sachant que ledit piston de fermeture (4), sollicité en force en direction dudit arbre de fermeture (2) par le générateur (6) de force de fermeture, est en appui contre la surface de commande (9) du disque (3) à profil de came prévu sur ledit arbre de fermeture (2), par l'intermédiaire de ladite surface d'appui (11) dudit galet d'appui (5), dans un plan de soutien (21) s'étendant le long de l'axe (12) du boîtier, le long de l'axe de rotation (8) dudit arbre et le long de l'axe de rotation (10) dudit galet,
    caractérisé par le fait que
    la surface de commande (9) du disque (3) à profil de came et la surface d'appui (11) du galet d'appui (5) peuvent être orientées l'une par rapport à l'autre de manière automatique, sous l'action de la force développée par le générateur (6) de force de fermeture le long de l'axe (12) du boîtier, de façon telle que ladite surface de commande (9) du disque (3) à profil de came et ladite surface d'appui (11) du galet d'appui (5) soient en contact instauré linéairement dans le plan de soutien (21), étant donné que ladite surface d'appui (11) du galet d'appui (5) est douée de mobilité basculante dans ledit plan de soutien (21), sachant que
    la surface d'appui (11) du galet d'appui (5) est douée de mobilité basculante, dans le plan de soutien (21), en ce sens que ledit galet d'appui (5) est en appui contre le piston de fermeture (4) pour l'essentiel sans aucun jeu, dans la direction de mobilité basculante de ladite surface d'appui (11) dudit galet d'appui (5), et que ledit piston de fermeture (4) est doué de mobilité basculante par rapport au boîtier (7) dudit ferme-porte, et sachant que ledit piston de fermeture (4) est doué de mobilité basculante, par rapport au boîtier (7) dudit ferme-porte, en ce sens que ledit piston de fermeture (4) présente un diamètre extérieur non uniforme le long de l'axe (12) dudit boîtier, et comprend au moins une région (15, 16) de diamètre réduit, au niveau de laquelle ledit piston de fermeture (4) se trouve à distance d'une paroi intérieure dudit boîtier (7) du ferme-porte, ladite paroi intérieure s'étendant le long de l'axe (12) dudit boîtier, ainsi qu'au moins une région (14) de plus fort diamètre, au niveau de laquelle ledit piston de fermeture (4) est guidé avec mobilité, le long dudit axe (12) du boîtier, sur ladite paroi intérieure dudit boîtier (7) du ferme-porte.
  2. Ferme-porte selon la revendication 1, caractérisé par le fait que le piston de fermeture (4) est muni d'un corps de base (19) qui donne naissance à la région (15, 16) dudit piston dotée d'un diamètre réduit, et au niveau duquel est ménagé un élargissement radial donnant naissance à la région (14) dudit piston qui est munie d'un plus fort diamètre.
  3. Ferme-porte selon la revendication 2, caractérisé par le fait qu'un anneau (17), fixé sur le corps de base (19) du piston, est prévu en tant qu'élargissement radial dudit piston.
  4. Ferme-porte selon l'une des revendications précédentes, caractérisé par le fait que la région (14) du piston de fermeture (4), munie d'un plus fort diamètre, est constituée d'un matériau atténuateur de frottement sur le côté pointant vers la paroi intérieure du boîtier (7) dudit ferme-porte.
  5. Ferme-porte selon l'une des revendications précédentes, caractérisé par le fait qu'un ressort de fermeture et un piston à ressort sont prévus, respectivement, en tant que générateur (6) de force de fermeture et en tant que piston de fermeture (4).
EP14160683.0A 2014-03-19 2014-03-19 Ferme-porte Active EP2921626B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14160683.0A EP2921626B2 (fr) 2014-03-19 2014-03-19 Ferme-porte
PL14160683.0T PL2921626T5 (pl) 2014-03-19 2014-03-19 Samozamykacz drzwiowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14160683.0A EP2921626B2 (fr) 2014-03-19 2014-03-19 Ferme-porte

Publications (3)

Publication Number Publication Date
EP2921626A1 EP2921626A1 (fr) 2015-09-23
EP2921626B1 EP2921626B1 (fr) 2018-09-05
EP2921626B2 true EP2921626B2 (fr) 2024-02-21

Family

ID=50289550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14160683.0A Active EP2921626B2 (fr) 2014-03-19 2014-03-19 Ferme-porte

Country Status (2)

Country Link
EP (1) EP2921626B2 (fr)
PL (1) PL2921626T5 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442340A1 (de) † 1994-11-29 1996-05-30 Geze Gmbh & Co Türschließer
WO2011066941A1 (fr) † 2009-12-01 2011-06-09 Dorma Gmbh + Co. Kg Ferme-porte pourvu d'un entraînement à came

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3225795A1 (de) 1982-07-09 1984-01-12 Casma S.p.A., 20013 Magenta Tuerschliesser
US5901412A (en) 1996-01-30 1999-05-11 Dorma Gmbh + Co. Kg Top-mounted door closer
GB0124376D0 (en) 2001-10-11 2001-11-28 Jebron Ltd Door Closer
DE102004041358B4 (de) 2004-08-25 2006-07-13 Dorma Gmbh + Co. Kg Obentürschließer
DE102006002751B4 (de) 2006-01-20 2012-11-22 Landert-Motoren Ag Drehflügeltürantrieb mit Kurvenscheibe
GB2462633B (en) 2008-08-14 2013-01-02 Jebron Ltd Door closer
DE102011055974A1 (de) 2011-12-02 2013-06-06 Dorma Gmbh + Co. Kg Türbetätiger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442340A1 (de) † 1994-11-29 1996-05-30 Geze Gmbh & Co Türschließer
WO2011066941A1 (fr) † 2009-12-01 2011-06-09 Dorma Gmbh + Co. Kg Ferme-porte pourvu d'un entraînement à came

Also Published As

Publication number Publication date
PL2921626T5 (pl) 2024-04-29
EP2921626B1 (fr) 2018-09-05
PL2921626T3 (pl) 2019-02-28
EP2921626A1 (fr) 2015-09-23

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