EP2564004B1 - An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge - Google Patents
An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge Download PDFInfo
- Publication number
- EP2564004B1 EP2564004B1 EP12706043.2A EP12706043A EP2564004B1 EP 2564004 B1 EP2564004 B1 EP 2564004B1 EP 12706043 A EP12706043 A EP 12706043A EP 2564004 B1 EP2564004 B1 EP 2564004B1
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- EP
- European Patent Office
- Prior art keywords
- door
- article
- opening device
- hinge
- furniture
- 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.)
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- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000010355 oscillation Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001747 exhibiting effect Effects 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- 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
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
-
- 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
- E05F5/006—Braking devices, e.g. checks; Stops; Buffers for hinges having a cup-shaped fixing part, e.g. for attachment to cabinets or furniture
-
- 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
- E05Y2201/21—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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/218—Holders
- E05Y2201/22—Locks
- E05Y2201/221—Touch latches
-
- 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
-
- 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
- E05Y2201/252—Type of friction
- E05Y2201/254—Fluid or viscous friction
-
- 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
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/266—Type of motion, e.g. braking rotary
-
- 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
-
- 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 relates to an opening device for a door of an article of furniture, supported oscillatably by hinges, in particular suitable for being applied on the article of furniture on the side which the hinges are fixed to and in particular on a hinge of the self-closing thrust hinge, which enables both the opening and the subsequent closing of the door automatically, or even on a traditional hinge.
- opening means In the sector of articles of furniture without handles or other opening means, the use of opening means is known which following a thrust on the closed door by the user generate a displacement of the door in the opening direction of a first tract that is sufficient for the user to grip it and open it completely.
- an opening device comprises an expulsion member for the door which is elastically stressed, and means for retaining the expulsion member, which in general are releasable by imposing on the expulsion member a backwards movement of a few millimetres by pressure on the closed door on the part of the user.
- the opening device has to be reloaded, for example by means of a thrust in an opposite direction on the expulsion member exerted by the user on the door at the final tract of the closing movement of the door, or by special reloading means activated by the movement of the door itself. Therefore the devices are advantageously positioned on the article of furniture on the opposite side to the side on which the hinges are fixed, requiring specific operations for mounting and correct functioning thereof.
- the movement of the hinge elements or the door on the hinge side which is generated in consequence to the thrust exerted by the user on the closed door, is in the order of a few tenths of a millimetre, and is therefore insufficient to generate the movement required for enabling release of the retaining means of the expulsion member.
- a hinge with an opening device of this type is known, for example, from WO 2008/009345 A1 .
- an aim of the invention is to provide an opening device for a door of an article of furniture supported oscillatably by hinges, which enables releasing the expulsion member also in the presence of displacements of the door of the order of a few tenths of a millimetre, with particular reference to the application of the opening device at the hinges or in any case on the side of the article of furniture where the hinges are applied.
- a further aim of the invention is to provide an opening device for a door of an article of furniture supported oscillatably by hinges, which can function for a long time without deteriorating in terms of performance.
- the technical task of the present invention is attained by realising an opening device for a door of an article of furniture supported oscillatably by means of at least a hinge according to claim 1.
- the amplification of the oscillation of the door obtained with the opening device of the invention advantageously determines a displacement of the retaining means, and possibly the expulsion member, by a tract which is at least sufficient to release the expulsion member also when the opening device is applied at the hinges or in any case on the side of the article of furniture where the hinges are applied.
- an opening device is illustrated for a door 1 of an article of furniture supported oscillatably by means of one or more hinges 2.
- the hinge 2 exhibits a hinge case 3 applied to the door 1, a hinge arm 4 applied to a fixing base 5 to a fixed part of the article of furniture, in particular to an abutment 6 of the article of furniture, and rocker arms 7 and 8 which operatively connect the hinge case 3 to the hinge arm 4.
- the hinge 2 comprises pins 10, 11 for the hinging of the rocker arms 7 and 8 to the hinge arm 4, pins 12 end 13 for the hinging of the rocker arms 7 and 8 to the hinge case 3, and an elastic element 15 positioned between an internal side of the back of the hinge arm 4 and an activating cam 16 present at an end of the rocker arm 8 and suitable for taking part in the closing of the door 1.
- the hinge 2 can further comprise a decelerating device 14 of the closing of the door 1, being of a type having clutch discs immersed in a viscous fluid applied to the external side of the bottom of the hinge case 3.
- the opening device can be combined with a hinge of known type even entirely different to the one described above purely by way of example, in particular to a hinge which exhibits a different number of hinge pins.
- the opening device comprises an expulsion member 17 for the door 1 stressed in opening by an elastic element 18, and releasable retaining means 19 of the expulsion member 17.
- the command device comprises an actuating member 20 for the retaining means 19, oscillatable about an oscillation fulcrum 21, in contrast to and by action of an elastic element 22 and exhibiting amplifying means of the displacement of the retaining means 19 with respect to the oscillation of the door 1.
- the command device is configured such that the oscillation fulcrum 21 of the actuating member 20 is positionable in proximity of the door 1.
- the amplification means exhibited by the actuating member 20 comprise a first arm 23 and a second arm 24 arranged transversally to one another, of which the first arm 23 is positionable substantially parallel to the door 1 in order to be activated by the door 1 or by an element of the hinge 2, and the second arm 24 is conformed to directly or indirectly activate the retaining means 19.
- the opening device comprises a box-shaped base body 25 which translatably supports the expulsion member 17 which in turn projects with its rear end 26 from a window 27 present at the rear end of the base body 25 and with its front end 28 from a window 29 present at the front end of the base body 25.
- the front end of the base body 25 exhibits a further access window 31 to an internal seating 32 for housing the elastic element 22 and a button 33 that is mobile in translation through the window 31, in contrast and by action of the elastic element 22, along a parallel direction to the displacement direction of the expulsion member 17.
- the actuating member 20 is pivoted at the front end of the flanks 30 of the base body 25 by means of the oscillation fulcrum 21 which is orientated perpendicularly to the translation direction of the expulsion member 17.
- the actuating member 20 in particular is prolonged with the first aim 23 anteriorly of the front end of the base body 25 and with the second arm 24 along the flanks 30 of the base body 25.
- the first arm 23 is configured in such a way as to interact with the button 33 with the internal side thereof and with the external side thereof with the edge 53 of the hinge case 3 projecting from the thickness of the door 1 (for the embodiments of figures 1-14 ) or with another part of the door 1 (for the realisations of figure 15 ).
- the retaining means 19 comprise at least a tooth 34 engageable with a stop 35 present at the rear end of the expulsion member 17.
- the stop 35 exhibits an engaging seating 37 for the tooth 34, which preferentially comprises a flexible rear wall or an elastic tab 36.
- the flexible wall or elastic tab 36 enables facilitating the disengaging of the tooth 34 in the first opening step of the door 1, i.e. when the user pushes on the closed door 1, as it prevents the tooth 34 from returning into the seating 37 before the expulsion member 17 is translated sufficiently forwards in order to be able to push the door 1 into the opening position.
- the stop 35 exhibits regulating means of the engagement position of the tooth 34.
- the regulating means of the engaging position of the tooth 34 comprise a screw 38 the free end of which is destined to operate as a stop for the tooth 34.
- the screw 38 exhibits an adjustable depth of penetration into the seating 37 such that a variation in the end position of the screw 38 in the seating 37 causes a variation in the engagement position of the tooth 34.
- the second arm 24 exhibits a length that is considerably greater than that of the first arm 23 and the retaining means 19 are arranged directly at the end of the second arm 24; in particular the actuating member 20 and the retaining means 19 are realised in a single piece.
- the ratio between the length of the second arm 24 and the length of the first arm 23 is preferably at least 5, and more preferably is comprised between 7 and 8.
- a lever transmission system is comprised between the actuating member 20 and the retaining means 19.
- the lever transmission system in particular comprises a kinematic chain formed by a first lever 40 pivoted at 41 to the flank 30 of the base body 25 and operatively engaged at one side with the actuating member 20 and at the other with a second lever 42 pivoted at 43 to the flank 30 of the base body 25 and exhibiting the retaining means 19.
- the retaining means 19 are preferably realised in a single piece with the lever 42.
- the oscillation fulcra of the levers 40 and 42 are parallel to the oscillation fulcrum 21 of the actuating member 20.
- the opening device can exhibit a lateral tab 45 for application to the plate 5 for fixing the hinge arm 4 on a fixed part of the article of furniture (embodiment of figure 16 ) or it can exhibit two lateral tabs 45 in order to be applied at a distance from the hinge 2 and from the fixing plate 5, but always on the same side of the fixed part of the article of furniture to which the hinge 2 is applied (embodiment of figure 17 ). In both cases the resetting of the opening device is done manually by the user by closing the door of the article of furniture.
- an integrated device is included in the hinge 2 for automatically resetting the expulsion member 17.
- the resetting device comprises a first lever 47 for drawing the expulsion member 17, a second lever 48 activatable from a side of the hinge 2 in movement during the opening of the door 1, in particular a lever-shaped prolonged side of one of the hinge 2 rocker arms, preferably the rocker arm 7, and a third lever 49 for transmission of the movement between the first lever 47 and the second lever 48.
- the second lever 48 exhibits an oscillation fulcrum 10 in common with the rocker arm 7
- the third lever 49 exhibits an oscillation fulcrum 11 in common with the rocker arm 8
- the first lever 47 is pivoted at 50 to a flank of the hinge arm 4 and the oscillation fulcrum thereof is parallel to the fulcrum of the levers 48 and 49.
- the first lever 47 crosses a slit 51 in the back of the hinge arm 4 and exhibits an end suitable for interacting with a cam or an abutting wall 52 afforded in a frontal position on a flank of the expulsion member 17.
- the opening device is applied on the abutment 6 of the article of furniture in such a position that the edge 53 of the hinge box 3 which projects from the thickness of the door 1 can interfere with the first arm 23 of the actuating member 20.
- the door 1 is initially closed and the edge 53 of the hinge case 3 is rested on the first arm 23 of the actuating member 20 which exhibits an initial position to which the engagement of the tooth 34 in the seating 37 of the stop 35 corresponds.
- the user pushes the closed door 12 and consequently the edge 53 of the hinge case 3 pushes the first arm 23 of the actuating member, which oscillates and compresses the elastic element 22; further, the edge 53 preferably also pushes the expulsion member 17.
- the oscillation of the actuating member 20 is transmitted (directly in the case of the embodiment of figures 1-11 or indirectly via the transmission system of the embodiment of figures 12-15 ) to the tooth 34 such as to move the tooth 34 sufficiently to disengage the seating 37.
- the expulsion element 17 can click forwards by effect of the expansion of the elastic element 18 and give rise to the first step of opening of the door 1.
- the elastic element 22 is free to expand; by means of the button 33 it newly draws the actuating member 20 into its initial position.
- the resetting of the opening device occurs during the following opening step of the door 1, performed by the user.
- the rocker arm 7 by effect of the oscillation thereof, activates the kinematic chain comprising, in cascade, the lever 48, the lever 49, and the lever 47, which this time interacts with the cam 52, causing the retracting of the expulsion member 17.
- the stop 35 intercepts with an inclined wall 54 the tooth 34 than consequently displaces initially sliding along the inclined wall 54 of the stop 35.
- the displacement of the tooth 34 directly or indirectly causes the oscillating of the actuating member 20 in contrast to the elastic element 22 which is compressed.
- the tooth 34 passes beyond the inclined wall 54 and the elastic wall of the stop 35 and can therefore return into the seating 37 by effect of the expansion of the elastic element 22, resting newly on the elastic wall 36 when the reset lever 47 finishes its action.
- these ratchet-type retaining means which require a displacement of the order of a few millimetres for functioning, comprise a sliding track for a retaining element that is selectively mobile between a blocking position and a releasing position of the expulsion member 17.
- the oscillating actuating member 20 is operatively connected to the expulsion member 17 via amplifying means conformed such as to generate a displacement of the expulsion member 17 and the relative ratchet-type retaining means of an entity which is sufficient to cause the release of the expulsion member 17.
- the amplifying means of the displacement further comprise a lever transmission system 40, 42 arranged between the actuating member 20 and the expulsion member 17, wherein the lever 42 is mobile between a first position illustrated in figure 18 , in which it rests on a wall provided at the rear end 26 of the expulsion member 17, and a rotated second position illustrated in figures 19 and 20 , in which it is not engaged with the expulsion member 17.
- the oscillation of the lever 42 commanded by the actuating member 20 via the intermediate lever 40, causes a retracting of the expulsion member 17 such as to enable displacement of the retaining element of the ratchet mechanism from the blocking position thereof to the releasing position thereof.
- the opening device of the present invention can be advantageously arranged at the hinges or in any case it can be applied to the article of furniture on the same side of the door where the hinges are located, as the retaining means, thanks to the amplified displacement to which they can be subjected, are still able to perform the correct release of the expulsion member.
- This undoubtedly leads to a simplifying of the mounting of the opening device which does not require specific operations and, especially when applied to the hinge or the fixing plate of the hinge, limits additional overall dimensions or aesthetically-unpleasant additions.
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Hinges (AREA)
Description
- The present invention relates to an opening device for a door of an article of furniture, supported oscillatably by hinges, in particular suitable for being applied on the article of furniture on the side which the hinges are fixed to and in particular on a hinge of the self-closing thrust hinge, which enables both the opening and the subsequent closing of the door automatically, or even on a traditional hinge.
- In the sector of articles of furniture without handles or other opening means, the use of opening means is known which following a thrust on the closed door by the user generate a displacement of the door in the opening direction of a first tract that is sufficient for the user to grip it and open it completely.
- In particular, an opening device is conventionally provided that comprises an expulsion member for the door which is elastically stressed, and means for retaining the expulsion member, which in general are releasable by imposing on the expulsion member a backwards movement of a few millimetres by pressure on the closed door on the part of the user.
- Once its action has been performed, the opening device has to be reloaded, for example by means of a thrust in an opposite direction on the expulsion member exerted by the user on the door at the final tract of the closing movement of the door, or by special reloading means activated by the movement of the door itself. Therefore the devices are advantageously positioned on the article of furniture on the opposite side to the side on which the hinges are fixed, requiring specific operations for mounting and correct functioning thereof.
- In a case in which the opening device is placed at the hinges or in any case applied to the article of furniture on the hinge side, the movement of the hinge elements or the door on the hinge side, which is generated in consequence to the thrust exerted by the user on the closed door, is in the order of a few tenths of a millimetre, and is therefore insufficient to generate the movement required for enabling release of the retaining means of the expulsion member.
- A hinge with an opening device of this type is known, for example, from
WO 2008/009345 A1 . -
DE 202007005782 Ul discloses an opening device comprising an expulsion member with relative retaining means and provided with a transmission device for transmitting to the retaining means the movement of a command device arranged in proximity of the flank of the article of furniture, opposite to or in any case distant from the side on which the hinges for the oscillation of the door are hinged. The technical aim of the present invention is therefore to realise an opening device for a door of an article of furniture supported oscillatably by a hinge which enables elimination of the above-mentioned drawback of the prior art. - In the ambit of the technical task, an aim of the invention is to provide an opening device for a door of an article of furniture supported oscillatably by hinges, which enables releasing the expulsion member also in the presence of displacements of the door of the order of a few tenths of a millimetre, with particular reference to the application of the opening device at the hinges or in any case on the side of the article of furniture where the hinges are applied.
- A further aim of the invention is to provide an opening device for a door of an article of furniture supported oscillatably by hinges, which can function for a long time without deteriorating in terms of performance.
- The technical task of the present invention is attained by realising an opening device for a door of an article of furniture supported oscillatably by means of at least a hinge according to
claim 1. - The amplification of the oscillation of the door obtained with the opening device of the invention advantageously determines a displacement of the retaining means, and possibly the expulsion member, by a tract which is at least sufficient to release the expulsion member also when the opening device is applied at the hinges or in any case on the side of the article of furniture where the hinges are applied.
- Other characteristics of the present invention are further defined in the subsequent claims.
- Further characteristics and advantages of the invention will more fully emerge from the description of preferred but not exclusive embodiments of the opening device for a door of an article of furniture supported oscillatably by at least a hinge, wherein:
-
figure 1 shows an exploded axonometric view of the opening device according to a first preferred embodiment in the version applicable to the arm of the hinge; -
figure 1a is an axonometric view of the base body of the opening device offigure 1 ; -
figure 2 is an axonometric view of the opening device offigure 1 , assembled and mounted on the hinge; -
figure 3 is a longitudinal section of the opening device and of the hinge offigure 2 , sectioned along a central plane thereof; -
figure 4 is a lateral view of the opening device offigure 2 in a configuration assumed with the door closed, and a larger scale of a detail thereof sectioned; -
figure 5 is a partial section of the opening device illustrated infigure 4 ; -
figure 6 is a view of the opening device offigure 2 in a configuration assumed during the thrust exerted by the user at the moment of release of the expulsion member, and a larger-scale section view of a detail thereof; -
figure 7 is a partial section of the opening device illustrated infigure 6 ; -
figure 8 is a view of the opening device offigure 2 in a configuration assumed at the end of the extraction of the expulsion member; -
figure 9 is a partial section of the opening device illustrated infigure 8 ; -
figure 10 is view of the opening device offigure 2 in a configuration in which the expulsion member has been reset, and a larger-scale section view of a detail thereof; -
figure 11 is a partial section of the opening device illustrated infigure 10 ; -
figures 12, 13, 14 and 15 illustrate the sequence of the configurations assumed by an opening device of a second preferred embodiment of the invention, from the release of the expulsion member to resetting thereof; -
figure 16 is a version of an opening device according to the present invention applied on the base for fixing the hinge to a fixed part of the article of furniture, for example to an abutment of the article of furniture; -
figure 17 is a version of an opening device according to the present invention applied to a fixed part of the article of furniture, for example to an abutment of the article of furniture; and -
figures 18, 19 and 20 illustrate the sequence of configurations assumed by an opening device according to a further preferred embodiment of the invention from the engaged position to the released position of the expulsion member. - Equivalent parts of the various preferred embodiments of the invention will be denoted in the following using the same numerical reference.
- With reference to the figures, an opening device is illustrated for a
door 1 of an article of furniture supported oscillatably by means of one ormore hinges 2. - The
hinge 2 exhibits ahinge case 3 applied to thedoor 1, ahinge arm 4 applied to afixing base 5 to a fixed part of the article of furniture, in particular to anabutment 6 of the article of furniture, androcker arms hinge case 3 to thehinge arm 4. - In a known way, the
hinge 2 comprisespins rocker arms hinge arm 4,pins 12end 13 for the hinging of therocker arms hinge case 3, and anelastic element 15 positioned between an internal side of the back of thehinge arm 4 and an activatingcam 16 present at an end of therocker arm 8 and suitable for taking part in the closing of thedoor 1. Thehinge 2 can further comprise a deceleratingdevice 14 of the closing of thedoor 1, being of a type having clutch discs immersed in a viscous fluid applied to the external side of the bottom of thehinge case 3. - Evidently the opening device can be combined with a hinge of known type even entirely different to the one described above purely by way of example, in particular to a hinge which exhibits a different number of hinge pins.
- The opening device comprises an
expulsion member 17 for thedoor 1 stressed in opening by anelastic element 18, and releasable retaining means 19 of theexpulsion member 17. - The command device comprises an actuating
member 20 for the retaining means 19, oscillatable about anoscillation fulcrum 21, in contrast to and by action of anelastic element 22 and exhibiting amplifying means of the displacement of the retaining means 19 with respect to the oscillation of thedoor 1. The command device is configured such that theoscillation fulcrum 21 of the actuatingmember 20 is positionable in proximity of thedoor 1. - The amplification means exhibited by the actuating
member 20 comprise afirst arm 23 and asecond arm 24 arranged transversally to one another, of which thefirst arm 23 is positionable substantially parallel to thedoor 1 in order to be activated by thedoor 1 or by an element of thehinge 2, and thesecond arm 24 is conformed to directly or indirectly activate theretaining means 19. - The opening device comprises a box-
shaped base body 25 which translatably supports theexpulsion member 17 which in turn projects with itsrear end 26 from awindow 27 present at the rear end of thebase body 25 and with itsfront end 28 from awindow 29 present at the front end of thebase body 25. - Above the
window 29, the front end of thebase body 25 exhibits afurther access window 31 to aninternal seating 32 for housing theelastic element 22 and abutton 33 that is mobile in translation through thewindow 31, in contrast and by action of theelastic element 22, along a parallel direction to the displacement direction of theexpulsion member 17. - The actuating
member 20 is pivoted at the front end of theflanks 30 of thebase body 25 by means of theoscillation fulcrum 21 which is orientated perpendicularly to the translation direction of theexpulsion member 17. - The actuating
member 20 in particular is prolonged with thefirst aim 23 anteriorly of the front end of thebase body 25 and with thesecond arm 24 along theflanks 30 of thebase body 25. - The
first arm 23 is configured in such a way as to interact with thebutton 33 with the internal side thereof and with the external side thereof with theedge 53 of thehinge case 3 projecting from the thickness of the door 1 (for the embodiments offigures 1-14 ) or with another part of the door 1 (for the realisations offigure 15 ). The retaining means 19 comprise at least atooth 34 engageable with astop 35 present at the rear end of theexpulsion member 17. - The
stop 35 exhibits anengaging seating 37 for thetooth 34, which preferentially comprises a flexible rear wall or anelastic tab 36. - The flexible wall or
elastic tab 36 enables facilitating the disengaging of thetooth 34 in the first opening step of thedoor 1, i.e. when the user pushes on the closeddoor 1, as it prevents thetooth 34 from returning into theseating 37 before theexpulsion member 17 is translated sufficiently forwards in order to be able to push thedoor 1 into the opening position. - The
stop 35 exhibits regulating means of the engagement position of thetooth 34. The regulating means of the engaging position of thetooth 34 comprise ascrew 38 the free end of which is destined to operate as a stop for thetooth 34. - The
screw 38 exhibits an adjustable depth of penetration into theseating 37 such that a variation in the end position of thescrew 38 in theseating 37 causes a variation in the engagement position of thetooth 34. - The possibility of regulating the engagement position of the
tooth 34 is particularly useful as it enables setting up the opening device while taking account of any constructional tolerances and/or mounting tolerances and regulations of the hinge. In the preferred embodiment of the invention illustrated infigures 1-11 , thesecond arm 24 exhibits a length that is considerably greater than that of thefirst arm 23 and theretaining means 19 are arranged directly at the end of thesecond arm 24; in particular the actuatingmember 20 and the retainingmeans 19 are realised in a single piece. - The ratio between the length of the
second arm 24 and the length of thefirst arm 23 is preferably at least 5, and more preferably is comprised between 7 and 8. - In the preferred embodiment of
figures 12-15 , a lever transmission system is comprised between the actuatingmember 20 and the retaining means 19. - The lever transmission system in particular comprises a kinematic chain formed by a
first lever 40 pivoted at 41 to theflank 30 of thebase body 25 and operatively engaged at one side with the actuatingmember 20 and at the other with asecond lever 42 pivoted at 43 to theflank 30 of thebase body 25 and exhibiting theretaining means 19. Theretaining means 19 are preferably realised in a single piece with thelever 42. The oscillation fulcra of thelevers oscillation fulcrum 21 of the actuatingmember 20. - This solution, with respect to the previously-illustrated one, with a slight structural complication enables overall obtaining a sturdier structure of the opening device as well as a greater amplification of the displacement of the retaining means 19.
- The opening device can exhibit a
lateral tab 45 for application to theplate 5 for fixing thehinge arm 4 on a fixed part of the article of furniture (embodiment offigure 16 ) or it can exhibit twolateral tabs 45 in order to be applied at a distance from thehinge 2 and from thefixing plate 5, but always on the same side of the fixed part of the article of furniture to which thehinge 2 is applied (embodiment offigure 17 ). In both cases the resetting of the opening device is done manually by the user by closing the door of the article of furniture. - In a case where the opening device is applied directly to the
hinge 2, and in particular thehinge arm 4 via afastening screw 44 which fastens thebase body 25 to the back of the hinge arm (embodiments offigures 1-15 ), an integrated device is included in thehinge 2 for automatically resetting theexpulsion member 17. - The resetting device comprises a
first lever 47 for drawing theexpulsion member 17, asecond lever 48 activatable from a side of thehinge 2 in movement during the opening of thedoor 1, in particular a lever-shaped prolonged side of one of thehinge 2 rocker arms, preferably therocker arm 7, and athird lever 49 for transmission of the movement between thefirst lever 47 and thesecond lever 48. Thesecond lever 48 exhibits anoscillation fulcrum 10 in common with therocker arm 7, thethird lever 49 exhibits anoscillation fulcrum 11 in common with therocker arm 8, while thefirst lever 47 is pivoted at 50 to a flank of thehinge arm 4 and the oscillation fulcrum thereof is parallel to the fulcrum of thelevers - The
first lever 47 crosses aslit 51 in the back of thehinge arm 4 and exhibits an end suitable for interacting with a cam or an abuttingwall 52 afforded in a frontal position on a flank of theexpulsion member 17. - The opening device is applied on the
abutment 6 of the article of furniture in such a position that theedge 53 of thehinge box 3 which projects from the thickness of thedoor 1 can interfere with thefirst arm 23 of the actuatingmember 20. - The functioning of the opening device, with reference to the embodiment of
figures 1-13 , is briefly as follows. - The
door 1 is initially closed and theedge 53 of thehinge case 3 is rested on thefirst arm 23 of the actuatingmember 20 which exhibits an initial position to which the engagement of thetooth 34 in theseating 37 of thestop 35 corresponds. - The user pushes the
closed door 12 and consequently theedge 53 of thehinge case 3 pushes thefirst arm 23 of the actuating member, which oscillates and compresses theelastic element 22; further, theedge 53 preferably also pushes theexpulsion member 17. - The oscillation of the actuating
member 20 is transmitted (directly in the case of the embodiment offigures 1-11 or indirectly via the transmission system of the embodiment offigures 12-15 ) to thetooth 34 such as to move thetooth 34 sufficiently to disengage theseating 37. - In a case in which the
edge 53 of thecase 3 also pushes theexpulsion member 17, causing it to retract, there is a release of the action of theelastic element 18, such that thewall 36 is simply rested on thetooth 34, facilitating the disengagement thereof from theseating 37. - When the
tooth 34 disengages from theseating 37, theexpulsion element 17 can click forwards by effect of the expansion of theelastic element 18 and give rise to the first step of opening of thedoor 1. - During this step the elastic return of the
wall 36 of theseating 37, by effect of the disengaging of thetooth 34, prevents the return of thetooth 34 into theseating 37 before theexpulsion element 17 is translated to push thedoor 1 open. - Together with the first step of opening of the
door 1, theelastic element 22 is free to expand; by means of thebutton 33 it newly draws the actuatingmember 20 into its initial position. - During the opening step of the
door 1 thelever 47 and thecam 52 do not interact. - The resetting of the opening device occurs during the following opening step of the
door 1, performed by the user. - During this step of the completion of the opening of the
door 1, therocker arm 7, by effect of the oscillation thereof, activates the kinematic chain comprising, in cascade, thelever 48, thelever 49, and thelever 47, which this time interacts with thecam 52, causing the retracting of theexpulsion member 17. - During the retracting of the
expulsion member 17, thestop 35 intercepts with aninclined wall 54 thetooth 34 than consequently displaces initially sliding along theinclined wall 54 of thestop 35. - The displacement of the
tooth 34 directly or indirectly causes the oscillating of the actuatingmember 20 in contrast to theelastic element 22 which is compressed. - As the retracting of the
expulsion member 17 proceeds, thetooth 34 passes beyond theinclined wall 54 and the elastic wall of thestop 35 and can therefore return into theseating 37 by effect of the expansion of theelastic element 22, resting newly on theelastic wall 36 when thereset lever 47 finishes its action. - In figures from 18 to 20, a further embodiment of the opening device according the invention is illustrated; in this embodiment the
expulsion member 17 is provided with releasable retaining means of the ratchet-type, as they are of known type. - Conventionally these ratchet-type retaining means, which require a displacement of the order of a few millimetres for functioning, comprise a sliding track for a retaining element that is selectively mobile between a blocking position and a releasing position of the
expulsion member 17. - In this case the oscillating actuating
member 20 is operatively connected to theexpulsion member 17 via amplifying means conformed such as to generate a displacement of theexpulsion member 17 and the relative ratchet-type retaining means of an entity which is sufficient to cause the release of theexpulsion member 17. - In particular, the amplifying means of the displacement further comprise a
lever transmission system member 20 and theexpulsion member 17, wherein thelever 42 is mobile between a first position illustrated infigure 18 , in which it rests on a wall provided at therear end 26 of theexpulsion member 17, and a rotated second position illustrated infigures 19 and 20 , in which it is not engaged with theexpulsion member 17. - The oscillation of the
lever 42, commanded by the actuatingmember 20 via theintermediate lever 40, causes a retracting of theexpulsion member 17 such as to enable displacement of the retaining element of the ratchet mechanism from the blocking position thereof to the releasing position thereof. - As illustrated in
figure 20 , following the exit of theexpulsion member 17, thelever 42 remains resting on the bottom of therear end 26 of theexpulsion member 17 until theexpulsion member 17 itself is newly retracted possibly by an automatic resetting device or by the action exerted by the user on the door to such an amount as to permit thelever 42 to return into the first position offigure 18 . - The opening device of the present invention can be advantageously arranged at the hinges or in any case it can be applied to the article of furniture on the same side of the door where the hinges are located, as the retaining means, thanks to the amplified displacement to which they can be subjected, are still able to perform the correct release of the expulsion member. This undoubtedly leads to a simplifying of the mounting of the opening device which does not require specific operations and, especially when applied to the hinge or the fixing plate of the hinge, limits additional overall dimensions or aesthetically-unpleasant additions.
- The opening device for a door of an article of furniture as conceived herein is susceptible to numerous modifications and variants, all the details are replaceable by technically equivalent elements, all falling within the ambit of the inventive concept as defined in the appended claims.
- In practice the materials use, as well as the dimensions, can be any according to needs and to the state of the art.
Claims (16)
- An opening device for a door (1) of an article of furniture supported oscillatably by means of at least a hinge (2), said opening device comprising an expulsion member (17) for the door (1) which is elastically stressed on opening, a box-shaped base body (25) which translatingly supports said expulsion member (17), releasable retaining means (19) for the expulsion member (17) and a command device for actuating the retaining means, characterised in that said command device comprises an actuating member (20) for said retaining means (19) that is oscillatable about a fulcrum (21) positioned at the front end of the flanks (30) of said base body (25) in proximity of the door (1) and orientated perpendicularly to the translation direction of said expulsion member (17), said actuating member (20) exhibiting amplifying means of the displacement of the retaining means (19) with respect to the oscillation of the door (1) comprising a first and a second arm (23, 24) arranged transversally of one another, the first arm (23) being prolonged frontally of said base body (25) and positionable substantially parallel to the door (1) in a closed position such as to be activated by the door (1) or by an element of the hinge (2), the second arm (24) being prolonged along the flanks (30) of said base body (25) conformed such as to directly or indirectly activate said retaining means (19).
- An opening device for a door (1) of an article of furniture according to claim 1, characterised in that said actuating member (20) is oscillatable in contrast to and by action of an elastic element (22).
- An opening device for a door (1) of an article of furniture according to claim 1, characterised in that said retaining means (19) comprise a tooth (34) which is engageable with a stop (35) present at the rear end of the expulsion member (17).
- An opening device for a door (1) of an article of furniture according to the preceding claim, characterised in that said stop (35) exhibits an elastically yielding rear wall.
- An opening device for a door (1) of an article of furniture according to either of claims 3 and 4, characterised in that stop (35) exhibits regulating means of the engaging position of said tooth (34).
- An opening device for a door (1) of an article of furniture according to the preceding claim, characterised in that said regulating means comprise a screw (38) exhibiting an adjustable penetration depth in a seating (37) afforded on the stop (35) in which the tooth (34) is engageable.
- An opening device for a door (1) of an article of furniture according to any one of the preceding claims, characterised in that the second arm (24) exhibits a greater length than the first arm (23).
- An opening device for a door (1) of an article of furniture according to claim 7, characterised in that a ratio between the length of the second arm (24) and the length of the first arm (23) is at least 5.
- An opening device for a door (1) of an article of furniture according to the preceding claim, characterised in that the retaining means (19) are arranged at the end of the second arm (24).
- An opening device for a door (1) of an article of furniture according to any one of claims from 1 to 7, characterised in that it comprises a lever transmission system (40, 42) between the actuating member (20) and the retaining means (19).
- An opening device for a door (1) of an article of furniture according to claim 1, characterised in that the expulsion member (17) exhibits releasable retaining means of a ratchet-type, and in that the oscillatable actuating member (20) is operatively connected to the expulsion member (17) via said amplification means such as to generate a displacement of the expulsion member (17) and relative ratchet-retaining means such as to cause release of the expulsion member (17).
- An opening device for a door (1) of an article of furniture according to claim 1, characterised in that said amplification means of the displacement further comprise a lever transmission system (40, 42) between the actuating member (20) and the expulsion member (17).
- An opening device for a door (1) of an article of furniture according to any one of the preceding claims, characterised in that it comprises an automatic reset device (47, 48, 49) of the expulsion member (17).
- An opening device for a door (1) of an article of furniture according to the preceding claim, characterised in that said reset device comprises a first lever (47) destined to interact with a cam (52) present on the expulsion member (17), a second lever (48) actuatable by a part of the hinge in motion during the opening of the door (1), and a third lever (49) of transmission of the movement between the first and the second lever (47, 48).
- A hinge (2) for an article of furniture, characterised in that it exhibits an opening device as in any one of the preceding claims applied to a hinge arm (4) or to the fixing base (5) of the hinge on a fixed part of the article of furniture.
- An article of furniture, characterised in that it exhibits at least an opening device as in any one of claims from 1 to 10, applied on a side of the article of furniture to which the hinge is fixed, and/or at least a hinge as in claim 15.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201230064T SI2564004T1 (en) | 2011-04-13 | 2012-02-28 | An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20110629 | 2011-04-13 | ||
PCT/EP2012/053322 WO2012139806A1 (en) | 2011-04-13 | 2012-02-28 | An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2564004A1 EP2564004A1 (en) | 2013-03-06 |
EP2564004B1 true EP2564004B1 (en) | 2014-05-14 |
Family
ID=44120407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12706043.2A Active EP2564004B1 (en) | 2011-04-13 | 2012-02-28 | An opening device for a door of an article of furniture supported oscillatably by means of at least a hinge |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2564004B1 (en) |
JP (1) | JP2014510861A (en) |
CN (1) | CN103261553A (en) |
ES (1) | ES2478545T3 (en) |
SI (1) | SI2564004T1 (en) |
WO (1) | WO2012139806A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11168502B2 (en) | 2017-05-24 | 2021-11-09 | Sugatsune Kogyo Co., Ltd. | Door device |
CN111206837B (en) * | 2020-03-27 | 2021-06-04 | 广东金连安科技有限公司 | Fireproof door closer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004019238U1 (en) * | 2004-12-10 | 2005-02-17 | MEPLA-WERKE LAUTENSCHLäGER GMBH & CO. KG | Opening and closing device for furniture hinge, comprises spring loaded press piece fixed into extended or retracted position by touch latch mechanism |
AT503982B1 (en) | 2006-07-17 | 2008-10-15 | Lautenschlaeger Mepla Werke | FURNITURE HINGE |
DE202007005782U1 (en) | 2007-04-21 | 2008-08-28 | MEPLA-WERKE LAUTENSCHLäGER GMBH & CO. KG | Opening device for relatively movable furniture parts |
AT504686B1 (en) * | 2006-12-21 | 2008-12-15 | Lautenschlaeger Mepla Werke | DOUBLE ARM HINGE |
-
2012
- 2012-02-28 JP JP2014504219A patent/JP2014510861A/en active Pending
- 2012-02-28 CN CN2012800041104A patent/CN103261553A/en active Pending
- 2012-02-28 WO PCT/EP2012/053322 patent/WO2012139806A1/en active Application Filing
- 2012-02-28 ES ES12706043.2T patent/ES2478545T3/en active Active
- 2012-02-28 EP EP12706043.2A patent/EP2564004B1/en active Active
- 2012-02-28 SI SI201230064T patent/SI2564004T1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN103261553A (en) | 2013-08-21 |
ES2478545T3 (en) | 2014-07-22 |
JP2014510861A (en) | 2014-05-01 |
SI2564004T1 (en) | 2014-09-30 |
EP2564004A1 (en) | 2013-03-06 |
WO2012139806A1 (en) | 2012-10-18 |
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