EP2138661A1 - Geschwindigkeitssteuerung für Öffnungsverschlusselemente und Verfahren zur Geschwindigkeitssteuerung dieser Elemente - Google Patents

Geschwindigkeitssteuerung für Öffnungsverschlusselemente und Verfahren zur Geschwindigkeitssteuerung dieser Elemente Download PDF

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Publication number
EP2138661A1
EP2138661A1 EP08159128A EP08159128A EP2138661A1 EP 2138661 A1 EP2138661 A1 EP 2138661A1 EP 08159128 A EP08159128 A EP 08159128A EP 08159128 A EP08159128 A EP 08159128A EP 2138661 A1 EP2138661 A1 EP 2138661A1
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EP
European Patent Office
Prior art keywords
movement
dynamo
movable member
motor
aperture
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
EP08159128A
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English (en)
French (fr)
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EP2138661B1 (de
Inventor
Paolo Fornasari
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.)
Weber & Co KG GmbH
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Weber & Co KG GmbH
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Publication date
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Priority to EP08159128A priority Critical patent/EP2138661B1/de
Publication of EP2138661A1 publication Critical patent/EP2138661A1/de
Application granted granted Critical
Publication of EP2138661B1 publication Critical patent/EP2138661B1/de
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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
    • E05F3/22—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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—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
    • 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
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • 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
    • E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • 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
    • E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
    • 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
    • E05Y2201/234—Actuation thereof by automatically acting means direction dependent
    • 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
    • E05Y2201/426—Function thereof for opening for the initial opening movement
    • 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
    • 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
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/302—Electronic control of motors during electric motor braking
    • 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
    • E05Y2600/45—Mounting location; Visibility of the elements in or on the fixed frame
    • 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
    • E05Y2800/20—Combinations of elements
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/24—Combinations of elements of elements of different categories of springs and brakes
    • 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
    • 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
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the present invention refers to a speed controller for an aperture closing element, and to a method for controlling speed of said element.
  • aperture closing members like doors, shutters, panels and the like are automated or controlled in at least one of their opening/closing movements.
  • a common example of such kind of automated closing members is represented by sliding doors, used at the entrance of a room or as furniture doors.
  • a known technical problem of sliding doors is linked to the first and second fundamental principles of dynamics, i.e. their mass influences greatly the force that a user or an automatic actuator has to apply to such doors to open or close them starting from a door static position.
  • Automatic sliding doors are driven by complex mechanisms generally comprising an electric motor and a chain for transferring an opening/closing movement to the door.
  • Such arrangements are rather cumbersome and cannot be applied on a frame structure where space is limited, like those characterising a furniture article. Maintenance and a constant electrical power must be ensured to said arrangements for their efficient working. Evidently this can constitute a problem and even an important expense if this type of automatic doors are provided for a domestic use.
  • a mechanical door check is disclosed in the European Patent EP 0 363 642 B1 as comprising an input gear moved by a sliding door and provided for transferring such movement to a brake by means of a gear train.
  • Brake means are in the form of a shoe brake wherein two friction plates are centrifugally movable within a brake cup for exerting rubbing forces thereby braking the gear train and consequently the door closing movement.
  • a drawback of the above type of door check consists in that brake cup is progressively worn out by friction plates thereby reducing the efficiency of the door check device, as typically happen with shoe brakes. For restoring full efficiency of such device frequent substitutions of the brake cup and/or friction plates are required which are not only costly but also undesirable because they causes the doors, and the relative environment closed by said doors, to be temporary out of service.
  • a further drawback of a check device as disclosed in EP 0 363 642 B1 concerns its large dimensions and noise produced during the brake action exerted by friction plates on brake cup.
  • a check device like in a wardrobe for example, a cumbersome arrangement like that disclosed in the above mentioned patent cannot easily be applied.
  • noise produced by mechanical friction between mechanical components and the shoe brake in particular cannot be tolerated in a wardrobe that is usually placed in bedrooms.
  • a damping device comprises a sliding member moved by a sliding door and a gear train transforming a linear movement of the sliding member into a rotational movement of a disk with an angular speed determined by an appropriate gear transmission ratio.
  • Said disk is made in an electrically conductive material and rotates facing a plurality of multipolarized permanent magnets. When disk rotates magnets creates in the disk eddy currents that opposes disk movement thereby determining a braking force without having any part in contact and therefore avoiding wear and tear of brake components.
  • a drawback of an eddy current damping device consists in that the braking force depends essentially on the disk speed and on the magnetic field intensity. Practically, the higher is the speed and/or the magnetic field intensity, the stronger is the braking action. Therefore such devices need to have well defined transmission gear ratio in order to transform even a slow linear movement of a sliding member into a quick rotation of the electrically conductive disk. Said transmission gear must be accurately designed and correctly assembled. Furthermore, intense magnetic fields can be obtained with several magnets that are costly and make the device heavy and mechanically complex to be assembled.
  • Damping device disclosed in WO 2006/114352 is designed for exerting a braking force when a sliding door is to be closed, for this reason the gear train is provided with a movable wheel that can be moved away from the other wheels of the train thereby transferring movement from the sliding member to the eddy current brake only when such member is moving in one of the two possible directions, i.e. the direction corresponding to the door closing movement.
  • a spring element is associated to the movable wheel for keeping the latter meshed with neighbouring wheel and contrasting the moving away movement.
  • the eddy current brake is activated in the first part or the rack movement when a user opens the sliding door starting from a position in which the door is completely closed. This because a couple of rack teeth has to mesh the moving wheel before it disengages the neighbouring wheel. Therefore when a user wants to open a sliding door provided with a device according to WO 2006/114352 , he/she will disadvantageously have not only to overcome the closed door inertia but also the braking force exerted by the brake in the first part of the sliding movement.
  • said moving wheel can work improperly if the spring member loses its efficiency or breaks as it can happen after a number of working cycles.
  • a drawback common to both devices disclosed respectively in EP 0 363 642 B1 and in WO 2006/114352 consists in that none of them is suitable for helping the user when he/she wants to open the sliding door manually.
  • a sliding door is in a position fully closing an aperture, a user has to apply a force sufficiently intense to overcome door weight and friction forces in order to move such door from its closed position.
  • door weight can be relevant specially whether metallic or glass material is used for door structure, it would be advantageous to have at least such first part of the door opening movement assisted, so as to reduce forces that user is requested to apply.
  • the aim of the present invention is therefore to solve the noted problems and thus providing a speed controller suitable for damping at least the last part of a closing movement of an aperture closing element and also suitable for reducing effort requested to a user or to an automatic actuator for imparting an opening movement to said aperture closing element.
  • a further object of the invention is to provide a versatile speed controller, i.e. a controller whose working performances can be finely adapted to the features characterising the aperture closing element, like its weight, its particular use and the gradient of speed to be imposed to such element.
  • Still another object of the invention is to provide a speed controller for an aperture closing element, like a furniture door, that greatly reduces wear and tear of moving parts thereby keeping speed controller performance constantly high even after a consistent number of working cycles.
  • a further object of the invention is providing a speed controller having a reduced number of parts and overall dimensions compared to known type controllers, the same controller reducing emitted noise and being extremely reliable.
  • Another object of the present invention consists in providing a speed controller for an aperture closing element having a simple and reliable mechanical transmission adapted to efficiently allow the same controller to work as an aperture closing element brake or as an aperture closing element actuator.
  • Still another object of the present invention is to provide an improved frame structure, like a furniture article, having at least a door, in particular a sliding door, whose closing and/or opening movement is assisted by a speed controller according to the present invention.
  • Another object of the invention is to provide a method for controlling speed of an aperture closing element, like a door, and when said element is moved in an opening direction, both when it is moved in a closing direction.
  • Figure 1 shows an exploded view of a speed controller for an aperture closing element according to the present invention
  • Figure 2 shows in a perspective view speed controller of figure 1 with a movable member in a first position corresponding to a closed position of an aperture closing element;
  • Figure 3 shows in a perspective view speed controller of figure 1 with a movable member in a second position corresponding to an open position of an aperture closing element
  • Figure 4 shows in a sectional view a one-way clutch
  • Figure 5 shows in a perspective view a frame structure provided with a speed controller according to the present invention
  • a speed controller for an aperture closing element comprises a casing 1 made in two halves 2 and 3 coupled by screw means 10.
  • Said halves 2, 3 defines a compartment 4 housing a movable member 5 which is associable, at least temporarily, to an opening closure element of a frame structure, like a door of a furniture article, by hook means 6 adapted to clasp a pin (not shown in the figures) provided on said opening closure element.
  • Movable member 5 is slidably coupled to casing 1 through a cam follower 7 and a cam 8 provided on a inner base wall 9 of each casing half 2, 3.
  • a worm 11 is rotatably coupled to the movable member 5 through a connector 12 threadly engaged to worm 11 such that a translational movement of the movable member 5 is transformed in a rotational movement of worm 11 and vice versa.
  • Connector 12 has further cam followers 13 coupled to cam 8 so as to be pivotally associated to casing 1 about said cam followers 13. In this way a rotation of the movable member 5 relatively to worm 11 is allowed about cam followers 13.
  • First and second end portions 14, 15 of worm 11 are associated to casing 1 through bushes 16, 25.
  • Elastic means 17 are coaxially arranged around worm 11 for pushing movable member 5.
  • a one-way clutch 18 is provided on the first end portion 14 of worm 11 so as to mechanically connect worm 11 with a gear train 19.
  • Gear train 19 is provided for transferring a movement from the worm 11 to a motor-dynamo 20 and vice versa.
  • the term "motor-dynamo" is used in the present description for designating a reversible electric machine for converting electrical energy into mechanical energy and vice versa. Moreover, the term covers both AC and DC machines.
  • Motor-dynamo 20 is provided with electrical terminals 28, 29 serving as means for emitting a current when the motor-dynamo 20 is working as a dynamo, and for receiving a powering current from a power source when the motor-dynamo 20 is working as a motor.
  • One-way clutch 18 whose working operation will be described here below, is provided for allowing transfer of a first movement from movable member 5 to motor-dynamo 20 only when said member 5 moves along worm 11 from a position wherein the aperture closing element is at least partly opened (see figure 3 ) leaving the aperture partly accessible to a position wherein said aperture is closed (see figure 2 ).
  • One way clutch 18 can also transfer a second movement, opposed to the first movement, from the motor-dynamo 20 to the movable member 5 for moving the latter from a first position shown in figure 2 corresponding to a situation in which said aperture closing element closes said aperture to a second position, shown in figure 3 , wherein the aperture is at least partly accessible.
  • such working operation is obtained by connecting the end portion 14 of worm 11 to a cap 21 through a pin 22 and a first wheel 23 of gear train 19 to a spring element 24 which is also engaged on the cap 21.
  • Wheel 23 is mounted idly with respect to worm 11, i.e. a clearance is present between wheel 23 and worm 11.
  • a washer 26 is provided on a side of wheel 23 to avoid direct contact with worm 11. Windings of spring element 24 can tight when worm 11 and cap 21 are solidly rotated in a first direction indicated with arrow A in figure 4 , in this way a connection is established between cap 21 and wheel 23 via said spring 24 and wheel 23 is driven by worm 11.
  • a rotation of worm 11 and cap 21 in a direction opposite to that indicated with arrow A in figure 4 will leave wheel 23 idle because spring windings widen.
  • wheel 23 works as driving wheel a movement is transferred to worm 11 only when wheel 23 rotates in the direction opposite to that indicated by arrow A in figure 4 .
  • direction A operatively corresponds to a closing movement of the aperture closing element, i.e. indicates the rotation of worm 11 when an aperture closing element is moved for closing such aperture.
  • wheel 23 is the driving wheel, a rotation of said wheel 23 in the same direction A leaves the worm 11 idle. This means that only a rotation of wheel 23 in a direction opposite to that indicated by arrow A can be transferred to worm 11. This happens when an opening movement is imparted by motor-dynamo 20 to the aperture closing element, as it will be disclosed here below.
  • speed controller is shown in its rest position corresponding to a situation wherein the opening closure element (not shown in figure 2 ) is closed and the aperture is not accessible.
  • a pin provided on said closing element is engaged by hook 6 of movable member 5 and the latter is placed substantially parallel to worm 11.
  • Elastic means 17 have a minimal potential energy stored therein.
  • Connector 12 translates solidly with member 5 and rotates worm 11 in direction indicated by arrow B in figure 2 which is opposite to arrow A shown in figure 4 . Since the worm 11 is now the driving means, the one-way clutch 18 leaves wheel 23 idle, i.e. wheel 23 is not driven by worm 11 and therefore, gear train 19 and motor-dynamo 20 do not receive any movement, and the speed controller is inactive.
  • motor-dynamo 20 can be powered by any kind of electrical powering means, such as a battery or a main power supply. Depending on the type of powering means used, such means can equivalently be incorporated in the speed controller compartment 4 or placed outside the casing 1. In this way a movement is transferred from the motor-dynamo 20, working as an electrical motor, to worm 11 through gear train 19. Wheel 23 is therefore a driving wheel rotating in the direction B and imparting the worm 11 a rotation via one-way clutch 18. As described above, such rotation of worm 11, which is opposite to that shown in figure 4 by arrow A, will be transformed by connector 12 in a translational movement of movable member 5.
  • Sensing means 27 can be provided substantially at the end portions of cam 8 for sensing position and/or speed of movable member 5 so as to start or stop powering motor-dynamo 20, respectively, as soon as an opening movement is imparted to the aperture closing element and therefore to movable member 5 or as soon as the aperture closing element disengages from movable member 5, i.e. when the latter is approaching the end portion 30 of cam 8, compressing almost completely the elastic means 17 ( figure 3 ).
  • Sensing means 27 can be of many known types, like a Hall effect sensor, a micro switch and the like. In order to power motor-dynamo 20 on and off in response to signals output by sensing means 27, control means (not shown in the figures) can be provided in signal communication with said sensing means 27.
  • Said control means are suitable to operate powering means to supply a current to electrical terminals 28, 29 of motor-dynamo 20 and also to dissipate current produced on terminals 28, 29, by connecting therebetween a resistance R>0, or by short-circuiting them, as it will be diffusely described here after.
  • FIG 3 it is shown the speed controller of figure 2 after that movable member 5 has travelled substantially along the whole longitudinal run of worm 11 and has compressed almost completely the elastic means 17 causing it to store potential energy.
  • Cam followers 13 slides on cam 8 which comprises a straight portion parallel to longitudinal extension of worm 11 and an end portion 30 forming an angle with the straight portion.
  • Such end portion 30 is designed so as to cause movable member 5 to rotate about cam follower 7 thereby rotating hook 6 for disengaging the latter from pin provided on the aperture closing element.
  • sensing means 27, placed substantially at the end portion 30 of cam 8 senses presence of movable member 5 and outputs a signal that is used by control means for powering motor-dynamo 20 off.
  • movable member 5 stays in the rotated position reached at the end of cam 8 as shown in figure 3 until the aperture closing element is engaged again by hook 6 in the closing movement imparted to said element by a user or an automatic actuator.
  • movable member 5 will travel along worm 11 in the opposite direction compare to that described above, i.e. it will move from the end portion 30 of cam 8 ( figure 3 ) to its rest position shown in figure 2 .
  • movable member 5 is not only dragged by the aperture closing element but it is also pushed by elastic means 17 that releases its potential energy.
  • movable member 5 causes worm 11 to rotate about its longitudinal axis by means of connector 12. This rotation takes place in direction of arrow A shown in figure 4 . Since worm 11 is now the driving means, one-way clutch 18 transfer worm 11 rotational movement to wheel 23 and therefore motor-dynamo 20 is activated by gear train 19. Said motor-dynamo 20 now works as a dynamo, producing a voltage on its electrical terminals 28, 29. For braking translational movement of movable member 5, motor-dynamo 20 works as an electromagnetic brake, i.e. as a dynamo brake.
  • voltage produced on electrical terminals 28, 29 can be used for generating a current through an electrical resistance R>0 interposed between terminals 28, 29 and not shown in the drawings.
  • Such resistance R>0 can also be varied, i.e. adjusted, by control means during movement of the movable member 5 towards its rest position shown in figure 2 .
  • the braking action can be arranged as desired, considering the weight of the aperture closing element, the tolerable noise produced by the contact of closing element with the frame structure on which the element is mounted or the speed reached by said closing element during its closing movement.
  • a constant resistance R can be set between electrical terminals 28, 29 so as to maintain a constant braking action during the whole movement of movable member 5 along worm 11, or, if preferred, terminals 28, 29 can be maintained reciprocally isolated for a first portion of movable member 5 movement and a resistance R can be set between electrical terminals 28, 29 just on the last part of movable member 5 movement so as to brake suddenly the aperture closing member only when it is approaching the complete closed position.
  • a resistance R of a specific and predetermined value can be permanently set between electrodes 28, 29 when the controller is mounted on an aperture closing element.
  • sensing means 27 When the aperture closing element has fully closed the aperture, i.e. the movable member 5 has reached its rest position shown in figure 2 , sensing means 27 outputs a signal to control means so as to interrupt the action of the latter on electrical terminals 28, 29 of the motor-dynamo 20. In this way the speed controller will be ready to assist a user or an automatic actuator when start performing the next opening movement of the aperture closing element.
  • the present speed controller is very versatile because it can be adapted to aperture closing elements different in shape and in weight, and also to closing elements that are mounted in a variety of frame structures, like walls, furniture articles, vehicles and so on.
  • a speed controller according to the invention can also be applied to already existing aperture opening elements.
  • FIG 5 it is shown a mere example of a possible application of a speed controller as described before.
  • a couple of aperture closing elements in the form of sliding doors 31 are mounted on a frame structure in the form of a furniture article 32.
  • Each door 31 is provided with a speed controller connected to a main electrical energy power supply by means of wires 33.
  • Control means for controlling working operations of the speed controller can be stored in a box 34 placed outside the speed controller. However, said control means can be also placed within compartment 4 of the speed controller casing 1.
  • a speed controller can be arranged and/or operated so as to work either only as a braking device for reducing speed of an aperture opening element while closing or both as a breaking device and as opening assistant for reducing forces that a user or an automatic actuator has to apply to an aperture closing element for starting an opening movement of the latter.
  • the invention is therefore advantageously suitable for modifying speed of an aperture closing element as desired during its opening and/or only during its closing movement, in particular a deceleration is produced during the closing movement and an acceleration of the aperture closing element is produced by the speed controller when an opening movement is initiated.
  • a speed controller having the features recited in the appended claims and provided for an opening closure element pivotally mounted on a frame structure. If preferred, said speed controller can also be mounted on an aperture closing element for providing the same effects described above when the closing element is to be closed and/or opened.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP08159128A 2008-06-26 2008-06-26 Geschwindigkeitssteuerung für Öffnungsverschlusselemente und Verfahren zur Geschwindigkeitssteuerung dieser Elemente Not-in-force EP2138661B1 (de)

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EP08159128A EP2138661B1 (de) 2008-06-26 2008-06-26 Geschwindigkeitssteuerung für Öffnungsverschlusselemente und Verfahren zur Geschwindigkeitssteuerung dieser Elemente

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010066498A2 (de) * 2008-12-10 2010-06-17 Hettich-Heinze Gmbh & Co. Kg Antriebsvorrichtung zum motorischen bewegen einer schiebetür und verfahren zum ansteuern der antriebsvorrichtung
WO2011117083A1 (en) * 2010-03-24 2011-09-29 Assa Abloy Ip Ab Power efficient sliding door
DE202010007325U1 (de) * 2010-05-28 2011-10-20 Hella Kgaa Hueck & Co. Antriebsvorrichtung für ein bewegbares Möbelteil
EP2428354A1 (de) * 2010-09-09 2012-03-14 Bramidan A/S Automatische Tür für eine Ballenpresse
GB2544256A (en) * 2015-08-21 2017-05-17 Kohler Mira Ltd A closure mechanism for a shower door and a shower door assembly
CN107550052A (zh) * 2017-09-22 2018-01-09 广东东泰五金精密制造有限公司 一种带减力功能的家具用按压反弹开闭机构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2960789C (en) 2015-04-09 2019-10-22 Multimatic Patentco, Llc Vehicle door system with power drive module

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EP0363642B1 (de) 1988-09-06 1992-12-16 Kabushiki Kaisha Sankyo Seiki Seisakusho Mechanischer Türschliesser
EP0559947A1 (de) * 1992-03-09 1993-09-15 Thomas Industries Inc. Türüberwachungsvorrichtung mit regenerierender Rückwirkung und Freilaufkupplung
US5687507A (en) * 1993-07-19 1997-11-18 Dorma Door Controls Inc. Apparatus for selective alteration of operating parameters of a door
WO2006114352A1 (de) 2005-04-28 2006-11-02 Hettich-Heinze Gmbh & Co. Kg Dämpfungseinrichtung für bewegbare möbelteile
US20070101539A1 (en) * 2004-06-18 2007-05-10 Harald Sutterlutti Device for moving a movable furniture part
DE202006006181U1 (de) * 2006-04-18 2007-08-30 Paul Hettich Gmbh & Co. Kg Möbel

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Publication number Priority date Publication date Assignee Title
EP0363642B1 (de) 1988-09-06 1992-12-16 Kabushiki Kaisha Sankyo Seiki Seisakusho Mechanischer Türschliesser
EP0559947A1 (de) * 1992-03-09 1993-09-15 Thomas Industries Inc. Türüberwachungsvorrichtung mit regenerierender Rückwirkung und Freilaufkupplung
US5687507A (en) * 1993-07-19 1997-11-18 Dorma Door Controls Inc. Apparatus for selective alteration of operating parameters of a door
US20070101539A1 (en) * 2004-06-18 2007-05-10 Harald Sutterlutti Device for moving a movable furniture part
WO2006114352A1 (de) 2005-04-28 2006-11-02 Hettich-Heinze Gmbh & Co. Kg Dämpfungseinrichtung für bewegbare möbelteile
DE202006006181U1 (de) * 2006-04-18 2007-08-30 Paul Hettich Gmbh & Co. Kg Möbel

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010066498A2 (de) * 2008-12-10 2010-06-17 Hettich-Heinze Gmbh & Co. Kg Antriebsvorrichtung zum motorischen bewegen einer schiebetür und verfahren zum ansteuern der antriebsvorrichtung
WO2010066498A3 (de) * 2008-12-10 2010-12-09 Hettich-Heinze Gmbh & Co. Kg Antriebsvorrichtung zum motorischen bewegen einer schiebetür und verfahren zum ansteuern der antriebsvorrichtung
WO2011117083A1 (en) * 2010-03-24 2011-09-29 Assa Abloy Ip Ab Power efficient sliding door
DE202010007325U1 (de) * 2010-05-28 2011-10-20 Hella Kgaa Hueck & Co. Antriebsvorrichtung für ein bewegbares Möbelteil
EP2428354A1 (de) * 2010-09-09 2012-03-14 Bramidan A/S Automatische Tür für eine Ballenpresse
WO2012032115A3 (en) * 2010-09-09 2012-06-07 Bramidan A/S An automatic door for a baler
GB2544256A (en) * 2015-08-21 2017-05-17 Kohler Mira Ltd A closure mechanism for a shower door and a shower door assembly
GB2544256B (en) * 2015-08-21 2021-03-31 Kohler Mira Ltd A closure mechanism for a shower door and a shower door assembly
CN107550052A (zh) * 2017-09-22 2018-01-09 广东东泰五金精密制造有限公司 一种带减力功能的家具用按压反弹开闭机构
CN107550052B (zh) * 2017-09-22 2023-05-02 广东东泰五金精密制造有限公司 一种带减力功能的家具用按压反弹开闭机构

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