EP0212484A2 - Ferme-porte - Google Patents

Ferme-porte Download PDF

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Publication number
EP0212484A2
EP0212484A2 EP86110959A EP86110959A EP0212484A2 EP 0212484 A2 EP0212484 A2 EP 0212484A2 EP 86110959 A EP86110959 A EP 86110959A EP 86110959 A EP86110959 A EP 86110959A EP 0212484 A2 EP0212484 A2 EP 0212484A2
Authority
EP
European Patent Office
Prior art keywords
door closer
housing
support member
slide
closer 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.)
Granted
Application number
EP86110959A
Other languages
German (de)
English (en)
Other versions
EP0212484A3 (en
EP0212484B1 (fr
EP0212484B2 (fr
Inventor
Julius Maus Von Resch
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
Gretsch Unitas GmbH Baubeschlaege
Original Assignee
Gretsch Unitas GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6784703&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0212484(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gretsch Unitas GmbH, Gretsch Unitas GmbH Baubeschlaege filed Critical Gretsch Unitas GmbH
Priority to AT86110959T priority Critical patent/ATE40438T1/de
Publication of EP0212484A2 publication Critical patent/EP0212484A2/fr
Publication of EP0212484A3 publication Critical patent/EP0212484A3/de
Publication of EP0212484B1 publication Critical patent/EP0212484B1/fr
Application granted granted Critical
Publication of EP0212484B2 publication Critical patent/EP0212484B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/499—Spring tensioners; Tension sensors
    • 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
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/56—Positioning, e.g. re-positioning, or pre-mounting
    • E05Y2600/58—Positioning, e.g. re-positioning, or pre-mounting by using indicators or markings, e.g. scales
    • 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
    • E05Y2800/10—Additional functions
    • E05Y2800/12—Sealing
    • 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
    • E05Y2800/26—Form or shape
    • E05Y2800/28—Form or shape tubular, annular
    • 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 invention relates to a door closer, the closer shaft of which carries a cam which interacts with a slide guided on the closer shaft, the slide being connected via a connecting rod to a damping piston and between the latter and the slide one on the damping piston on the one hand and on a door closer - Housing is on the other hand supported return spring.
  • a door closer in particular to be used as floor closers, have become known, for example, from DE-OS 29 24 311.
  • the damping piston it naturally has a corresponding hydraulic system and it is also filled with a hydraulic fluid. This is not important in connection with the present invention, which is why this part of the door closer is not described in detail. It can be designed in the same or a similar way as in the aforementioned DE-OS.
  • the cam disc which is held on the closer shaft in a rotationally fixed manner, displaces the slide in a direction running perpendicular to the closer shaft. This displacement movement takes place against the resistance of the return spring and with the entrainment of the piston which can be displaced in a corresponding cylinder extension of the door closer.
  • the hydraulic fluid is pressed from a cylinder chamber in front of the piston into a cylinder chamber behind. When the piston returns and thus the door is returned to its closed position, the hydraulic fluid is returned in a reverse manner, but throttled accordingly.
  • the slide In the known door closer, the slide is guided on the closer shaft, ie the closer shaft passes through two mutually parallel guide slots of the slide, which extend in the longitudinal direction of the connecting rod.
  • An additional The coupled movable parts are supported by the damping piston. Since the return spring concentrically surrounds the connecting rod in this generic door closer - it is designed as a helical compression spring - the connecting rod between the slide and damping piston does not have to transmit tensile forces, but also bending forces. These are initiated via the cam disc.
  • the connecting rod In order to be able to absorb this combined action of force, the connecting rod must be adequately dimensioned, in particular transversely to its longitudinal axis, i.e. in the direction of the cam disk plane, i.e. run very wide. As a result, the interior of the housing is largely filled in this area by the connecting rod and the return spring, so that there is no space for additional elements.
  • this door closer is criticized for the fact that the force of the spring and thus the closing force of this door closer cannot be adjusted.
  • due to the limited space it is not possible to install a device for changing the closing force.
  • the object of the invention is therefore to develop a door closer of the type mentioned in such a way that the bending forces can be absorbed in a favorable manner and thus a weaker dimensioning of the connecting rod is possible.
  • the slide is additionally guided on the housing.
  • the forces introduced via the cam disk and originating from the return spring are now at least largely kept away from the connecting rod and instead are derived directly onto the housing via the sliding guides, primarily via the second sliding guide. Due to the lower load on the connecting rod, which essentially only has to absorb tensile forces, the latter can be dimensioned much weaker and provided with a round cross-section, so that there remains a usable space between the inner diameter of the return spring, which can also be used for other purposes.
  • the additional guide consists of a guide bar, plate or the like on the housing and a guide shoe, carriage or the like on the slide.
  • the reverse arrangement is also conceivable, i.e. the attachment of the guide bar or the like on the slide, which then works together with a fixed guide shoe on the housing.
  • the length of the guide bar or the like depends on the length of the guide shoe on the one hand and the maximum displacement distance of the connecting rod and all parts connected to it so as to be displaceable.
  • the Guide bar or the like Made of wear-resistant material and removable, in particular pluggable attached to the housing.
  • wear-resistant material ensures a long lifespan for the guide rail and its removable attachment ensures quick replacement if necessary.
  • the guide shoe or the like is also designed to be wear-resistant. In a preferred embodiment of the invention, it is formed by the underside of the slide, which faces away from the free closer shaft end, and two protruding projections arranged on it at a distance from the guide bar width. In the position of use, the guide shoe or the like overlaps. in the case of a floor door closer, the guide bar or the like from above.
  • each rivet has an extension and the two Apply extension lugs to the longitudinal edges of the guide rail or the like. In this respect, no additional elements and no additional manufacturing effort are required to create this guide shoe. Equally equivalent to using two rivets are two screws with a head, with the heads then forming the extension lugs. Otherwise, the attachment of further rivets is not excluded.
  • Another variant of the invention is characterized in that the slide-side end of the return spring is supported by a support member in the area of the slide on the housing, the support member to change its effective length, seen in the longitudinal direction of the spring, consists of two adjustably and fixably connected parts . If the effective length of the support member is increased, the spring tension increases. This adjustment option to change the effective length is certainly the best solution. However, you should make sure that the adjustment can be carried out from the outside or after removing a cover. Because of the high force of the return spring, you have to choose an adjustment option that does not require excessive force in the case of the normally provided manual adjustment.
  • the first support member section is rotatably mounted on the connecting rod and supported on a housing transverse wall and has a tubular, externally threaded projection, and that the second support member section, on which the one spring end is supported , can be screwed to the thread attachment. If you screwed together to adjust one of these two Bends sections and the other rotates, so rotation in one direction of rotation results in an increase in the effective length of the support member, while screwing or turning in the opposite direction leads to a reduction in the effective length of the support member.
  • the second support member section has an internal thread.
  • a particularly preferred embodiment of the invention is characterized in that the first support member section is designed as a worm wheel and interacts with a worm mounted in the housing, the worm axis of rotation being drivable, in particular rotatable by hand.
  • the latter of course means that the screw axis is or is made accessible accordingly.
  • a worm gear By means of a worm gear, a high gear ratio can be created, so that the strong return spring can be tensioned with relatively little manual effort.
  • the free end of the screw axis of rotation is provided with a receptacle for a turning tool, for example has a screwdriver slot or a hexagon socket. With the help of a screwdriver or known hexagon wrench, the adjustment can be made quickly and safely.
  • Another embodiment of the invention provides that the axis of rotation of the screw runs parallel to the closer shaft and its free end ver in the same direction as the free, with the door bindable end of the closer shaft extends.
  • the axis of rotation of the screw projects from the bottom upwards, as is the case with the closer shaft.
  • the second support member section is mounted in the housing in a manner fixed against relative rotation, but displaceable parallel to itself.
  • the first support member section is always pressed against a corresponding housing wall or the like by the force of the compression spring. If it is rotated with the aid of the drive worm, this leads to a distance of the second support member section from this support surface or to an approach in the opposite direction of rotation. In the former case the spring is shortened and thus tensioned, while in the latter case the spring force is reduced.
  • the second support link section engages with a sliding block-like first projection in a housing groove extending parallel to the connecting rod.
  • this housing groove is preferably located on the inside of the housing base and can be molded there.
  • a further preferred variant of the invention is characterized by a second, radially protruding projection of the second support member section forming an indicator member, the is assigned to a viewing window. From the position of this second attachment on the window, the degree of spring preload can be seen from the outside or the adjustment can be made while observing the display attachment.
  • the second extension of the second support member section expediently extends in the same direction as the free end of the closer shaft. This makes it particularly easy to observe this spring tension adjustment device.
  • the viewing window is located on this.
  • the viewing window is provided with an adjustment scale or the like, which enables particularly precise adjustment and, in conjunction with a corresponding scale inscription, excludes errors in the adjustment.
  • the viewing window is preferably made of acrylic glass or another suitable transparent or at least well-translucent plastic.
  • the exemplary embodiment is a floor door closer, the housing 1 of which is inserted into a corresponding floor opening, so that its closer shaft 2 extends from the bottom to the top.
  • the cover 3 placed on the housing 1 generally runs flush with the bottom surface.
  • the housing 1 is not inserted directly into the floor, rather it is inserted into an outer housing 4 which is assembled during the construction of the shell.
  • the free end of the closer shaft which projects beyond the cover 3 is connected to the door to be closed in a rotationally fixed manner. If the latter is opened, the closer shaft 2 rotates, for example in the direction of arrow 5.
  • a cam 6 is connected in a rotationally fixed manner to the closer shaft 2. In the starting position, it is formed symmetrically to the longitudinal central axis 7 of the door closer, but this need not necessarily be the case. However, the symmetrical shape allows it to be used for left or right opening doors and for swing doors.
  • the formation of the cam flanks or the cam circumference is preferably chosen so that the restoring force increases the angle of rotation of the door increases up to a 90 ° position. Larger opening angles are relatively rare. However, if a larger opening of the door is possible or desired, the restoring force no longer changes significantly with an opening angle of more than 90 °.
  • cam disc has a symmetrically arranged recess 8, into which a locking member 9 of a slide 10 designed as a rotatable roller engages when the door is closed.
  • the carriage 10 is fixedly connected to the one end 11 of a connecting rod 12 shown in the drawing.
  • the other right end of the connecting rod 12, not shown in the drawing, is connected in a known manner to a hydraulic piston which is displaceably mounted in a hydraulic cylinder or a cylindrical bore in the housing 1.
  • the end 11 of the connecting rod 12 bifurcated according to FIG. 2 engages between two plates 13 and 14 which essentially form the carriage 10.
  • the latter and the rod end 11 are held together with the aid of at least two connecting bolts 15 and 16, which, as will be explained below, due to their special shape still has a special task.
  • the roller 9 is held by means of a rivet or bolt 17.
  • Another Rivet or bolt 18 serves to fasten a second rotatable roller 19 between the plates 13 and 14 at the right end of the plates 13 and 14 in the drawing. It is encompassed by the forked end 11 of the connecting rod 12.
  • the cam 6 is located between the rollers 9 and 19, as can be clearly seen in FIG. 2.
  • the plates 13 and 14 are each provided with a slot 20 and 21 which extends in the longitudinal direction of the connecting rod 12 and is arranged symmetrically to the longitudinal central axis 7.
  • the slot width corresponds to the diameter of the part 22 or 23 of the closer shaft 2 passing through this slot.
  • These closer shaft parts and the slots 20, 21 form a first guide for the carriage 10 in the direction of the double arrow 22, i.e. the direction of displacement of the slide, connecting rod 12 and damping piston.
  • the carriage is in its right-hand shifting end length. This is achieved with the aid of a return spring 23, the not shown right spring end of which is supported on the damping piston and which will be discussed in more detail below.
  • an additional guide 24 is provided according to the present invention.
  • This is in turn by the underside 28 of the slide 10 or the lower plate 14 and two over the underside above approaches 29 and 30 formed.
  • these were the thickened ends of the two connecting bolts 15 and 16.
  • the lateral distance between the two lugs 29 and 30 corresponds to the width of the guide bar 25, measured transversely to the direction of movement 22. At least the centers of the two guides are offset from one another in the direction of displacement.
  • the guide bar 25 is made of particularly wear-resistant material. This is also the reason why they are not molded onto the bottom 31 of the housing 1, but are manufactured separately and are held in place with the aid of two bolts 32 and 33 held in the bottom 31, which engage in corresponding bores in the guide strip 25. In the event of wear, this also enables replacement later.
  • Fig. 3 reveals that the height of the lugs 29 and 30 corresponds approximately to the thickness of the guide bar 25 and that the lugs only rest with the required play on the longitudinal edges 34 and 35 of the guide bar 25, along which they are moved when the door is opened or closed.
  • the slide-side end 36 of the return spring 23 is more precise via a support member 37 in the area of the slide 10 on the housing 1 said supported on a housing transverse wall 38 which, according to FIG. 1, has an upwardly open vertical slot for the passage of the connecting rod 12.
  • the effective length of the support member 37 can be changed in the longitudinal direction of the spring, that is to say in the direction of the longitudinal central axis 7, in that it consists of two sections 39 and 40 which can be adjusted and locked in relation to one another in the above-mentioned direction 22.
  • the first support member section 39 is rotatably mounted on the associated end of the connecting rod 12. In addition, it is supported directly on a correspondingly machined surface 41 of the housing transverse wall 38. It has a tubular extension 42 and is provided with an external thread 43. Otherwise, it is designed as a worm wheel.
  • the second section 40 of the support member 37 accordingly has an internal thread 44 so that it can be screwed relative to the first section. It is non-rotatable, but is displaceably mounted in the housing 1 in the sense of the double arrow 22. The twisting of the second section 40 is prevented by a radially protruding first extension 45 which engages in a housing groove 46 on the housing base 31 which extends parallel to the connecting rod 12.
  • rotating the first section 39 of the support member 37 causes a displacement of the second section 40, for example in the direction of the arrow 47, while an opposite rotation of the first section 39 results in a reverse displacement of the second section.
  • the effective length of the support member 37 shortened, while in the former case, that is to say when the second section 40 is displaced in the direction of arrow 47, the effective length is increased and the spring tension of the return spring 23 is thereby increased.
  • Rotation of the first section 39 of the support member 37 is achieved via a worm 48 rotatably mounted in the housing 1, which runs parallel to the closer shaft 2 and whose free end points in the same direction as the free, according to FIG protruding end of the closer shaft 2.
  • a corresponding receptacle for a turning tool for example a slot or hexagon socket for inserting a screwdriver or hexagon key, is located at its free end of the rotary axis.
  • the second support member section 40 is provided with a second, radially projecting extension 50, which is assigned to a viewing window 51.
  • the latter is located on the top of the housing or in the cover 3. This allows the tension of the return spring 23 to be set in a favorable manner from above and, at the same time, to monitor or precisely define it. The latter is possible in particular if the viewing window is provided with a corresponding scale.
  • the closer shaft 2 is supported by two ball bearings 52 and 53. To the outside there is a seal via an O-ring 54. Since it is a hydraulic door closer, the housing is filled with hydraulic fluid and there are corresponding valves in the area of the piston and its cylinder, the training being in this Area can be of known design, which is why it is not explained here.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Lock And Its Accessories (AREA)
EP86110959A 1985-08-16 1986-08-08 Ferme-porte Expired - Lifetime EP0212484B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86110959T ATE40438T1 (de) 1985-08-16 1986-08-08 Tuerschliesser.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8524727U DE8524727U1 (de) 1985-08-16 1985-08-16 Türschließer
DE8524727U 1985-08-16

Publications (4)

Publication Number Publication Date
EP0212484A2 true EP0212484A2 (fr) 1987-03-04
EP0212484A3 EP0212484A3 (en) 1987-06-03
EP0212484B1 EP0212484B1 (fr) 1989-01-25
EP0212484B2 EP0212484B2 (fr) 1992-09-02

Family

ID=6784703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110959A Expired - Lifetime EP0212484B2 (fr) 1985-08-16 1986-08-08 Ferme-porte

Country Status (4)

Country Link
EP (1) EP0212484B2 (fr)
AT (1) ATE40438T1 (fr)
DE (2) DE8524727U1 (fr)
ES (1) ES2001533A6 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278882A (en) * 1993-06-09 1994-12-14 Dorma Gmbh & Co Kg Concealed door closer
US5417013A (en) * 1992-07-10 1995-05-23 Dorma Gmbh + Co. Kg Overhead door closer with slide rail for concealed installation in door panels or door frames
EP2518251A3 (fr) * 2011-04-29 2014-12-10 GEZE GmbH Ferme-porte
EP2518252A3 (fr) * 2011-04-29 2014-12-10 GEZE GmbH Ferme-porte
US11187022B1 (en) 2001-07-13 2021-11-30 Steven M. Hoffberg Intelligent door restraint

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB138389A (en) * 1918-11-26 1920-02-12 George Norman Hall Improvements in door closing and checking means
DE1083701B (de) * 1957-12-09 1960-06-15 Ver Baubeschlag Gretsch Co Schliesser fuer die Fluegel von Pendeltueren
DE1709062A1 (de) * 1962-09-14 1971-05-19 Doerken & Mankel Kg Selbsttaetiger Schliesser fuer Tueren,vorzugsweise Pendeltueren,insbesondere Bodentuerschliesser
US3222709A (en) * 1963-01-07 1965-12-14 Rixson Inc Door closing mechanism
DE1584185A1 (de) * 1964-08-07 1970-01-08 Ronan And Kunzl Inc Kraftbetaetigter Tueroeffner
DE2924311A1 (de) * 1979-06-15 1980-12-18 Dorma Baubeschlag Selbsttaetiger tuerschliesser
DE3224300C2 (de) * 1982-06-29 1984-11-29 Geze Gmbh, 7250 Leonberg Türschließer mit einstellbarer Schließkraft

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417013A (en) * 1992-07-10 1995-05-23 Dorma Gmbh + Co. Kg Overhead door closer with slide rail for concealed installation in door panels or door frames
GB2278882A (en) * 1993-06-09 1994-12-14 Dorma Gmbh & Co Kg Concealed door closer
GB2278882B (en) * 1993-06-09 1997-06-25 Dorma Gmbh & Co Kg A door closer having slide bar linkage for concealed mounting in door leaves or door frames
US11187022B1 (en) 2001-07-13 2021-11-30 Steven M. Hoffberg Intelligent door restraint
EP2518251A3 (fr) * 2011-04-29 2014-12-10 GEZE GmbH Ferme-porte
EP2518252A3 (fr) * 2011-04-29 2014-12-10 GEZE GmbH Ferme-porte

Also Published As

Publication number Publication date
EP0212484A3 (en) 1987-06-03
DE3661952D1 (en) 1989-03-02
ES2001533A6 (es) 1988-06-01
EP0212484B1 (fr) 1989-01-25
EP0212484B2 (fr) 1992-09-02
DE8524727U1 (de) 1986-12-18
ATE40438T1 (de) 1989-02-15

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