EP2564003B1 - Hinge provided with an automatic opening and closing device for a furniture piece door - Google Patents
Hinge provided with an automatic opening and closing device for a furniture piece door Download PDFInfo
- Publication number
- EP2564003B1 EP2564003B1 EP12703555.8A EP12703555A EP2564003B1 EP 2564003 B1 EP2564003 B1 EP 2564003B1 EP 12703555 A EP12703555 A EP 12703555A EP 2564003 B1 EP2564003 B1 EP 2564003B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hinge
- hooking element
- expulsion member
- expulsion
- lever
- 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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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/14—Hinges with pins with two or more pins with four parallel pins and two arms
- E05D3/142—Hinges with pins with two or more pins with four parallel pins and two arms with at least one of the hinge parts 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
- 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
- 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
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
- E05Y2201/218—Holders
- E05Y2201/22—Locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
- 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 RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
- E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
- E05Y2201/422—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening
- E05Y2201/424—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening for the final opening movement
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/10—Additional functions
- E05Y2800/11—Manual wing operation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/20—Combinations of elements
- E05Y2800/22—Combinations of elements of not identical elements of the same category, e.g. combinations of not identical springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets
Definitions
- the present invention relates to a hinge provided with an automatic opening and closing device for a furniture piece door, particularly, but not exclusively, a hinge of the push self-closing type, i.e. one which enables the door to be both opened and subsequently closed in an automatic manner.
- opening means which, following a push on the closed door by the user, generate a movement of the door in the opening direction by a first distance that is sufficient in order for the user to grasp it and open it completely, is well known.
- an opening device comprising an expulsion member for the door, which member is subjected to an elastic force, and means for retaining the expulsion member itself, which can generally be released by the user by pressing on the closed door to impose a backward movement of a few millimetres.
- the opening device must then be reloaded, for example by means of a push exerted by the user in the opposite direction on the door in the final part of the closing movement thereof, or by special reloading means actuated by the movement of the door itself.
- the technical task that the present invention has set itself, therefore, is to realize a hinge provided with an automatic opening and closing device for a furniture piece door which allows the aforementioned technical drawback of the prior art to be overcome.
- one object of the invention is to provide a hinge provided with an automatic opening and closing device for a furniture piece door which enables the expulsion member to be released even in the presence of movements of the door on the order of a few tenths of a millimetre.
- Another object of the invention is to provide a hinge provided with an automatic opening and closing device for a furniture piece door which can function in a lasting manner without any deterioration in performance and which can be applied to the furniture piece without requiring any particular processes or operations.
- the technical task according to the present invention is achieved by realizing a hinge according to claim 1.
- the hinge is provided with an automatic opening and closing device for a furniture piece door, said opening device comprising an expulsion member movable in opposition and under the action of first elastic means which subject it to a force in the opening direction of the door, and releasable retaining means for the expulsion member comprising a hooking element for the expulsion member, movable between a position of engagement and a position of disengagement with the expulsion member, said hooking element being held in the engagement position by the push exerted by the expulsion member via said first elastic means.
- the releasable retaining means further comprise second elastic means for actuating the hooking element configured and disposed in such a way as to move the hooking element toward the disengagement position as a result of pressure exerted on the expulsion member in the direction opposite to the opening direction of the door.
- the hooking element is provided at the end of a first arm of a lever pivotable in opposition and under the action of the second elastic means.
- a hinge 2 provided with an automatic opening and closing device for a furniture piece door.
- the hinge 2 has a hinge box 3 applied to the door 1, a hinge arm 4 applied to a base 5 for fastening to a fixed part of the furniture piece, in particular to a shoulder 6 of the furniture piece, and rocker arms 7 and 8 which operatively connect the hinge box 3 to the hinge arm 4.
- the hinge 2 in a known manner, comprises pins 10, 11 articulating with the rocker arms 7 and 8 with the hinge arm 4, pins 12 and 13 articulating with the rocker arms 7 and 8 with the hinge box 3, a closing deceleration device 14 for the door 1 of the type with friction discs immersed in a viscous fluid, applied to the outer side of the bottom of the hinge box 3, and an elastic element 15 positioned between the back of the hinge arm 4 and an actuating cam 16 present at one end of the rocker arm 7 and suitable for assisting the closure of the door 1.
- the opening device comprises an expulsion member 17 movable in opposition and under the action of first elastic means 18, which subject it to a force in the opening direction of the door 1, and releasable retaining means for the expulsion member 17.
- the retaining means comprise a hooking element 19 for the expulsion member 17.
- the hooking element 19 is movable between a position of engagement and a position of disengagement with the expulsion member 17.
- the hooking element 19 is held in the engagement position by the push exerted by the expulsion member 17 via the first elastic means 18.
- the retaining means further comprise second elastic means 20 configured and disposed in such a way as to move the hooking element 19 toward the disengagement position as a result of pressure exerted on the expulsion member 17 in the direction opposite to the opening direction of the door 1.
- the opening device has a base body 21 applied to the hinge arm 4 and translatably supporting the expulsion member 17.
- the base body 21 supports a lever 23 pivotable in opposition and under the action of the second elastic means 20.
- the hooking element 19 is fashioned at one end of a first arm 22 of the lever 23.
- the first arm 22 of the lever 23 extends beyond the rear end of the base body 21, where the hooking element 19 is engageable with a catch 24 present on the rear end of the expulsion member 17.
- the lever 23 has a pivot fulcrum 25 oriented orthogonally to the translation direction of the expulsion member 17.
- the second elastic means 20 comprise a torsion spring, interposed between the base body 21 and the lever 23, which in particular is wrapped around a pin constituting the pivot fulcrum 25 and has one end coupled to the first arm 22 of the lever 23 and one end positioned against a stop 26 present on the base body 21.
- the base body 21 has a box-like configuration for containing the expulsion member 17, whose rear end 26 extends out through a rear aperture 27 of the base body 21 and whose front end 28 extends out through a front aperture 29 of the base body 21.
- the base body 21 internally defines a housing 30 for the expulsion member 17 and the first elastic means 18, which in this case are represented by a helical spring deformable in the direction of movement of the expulsion member 17.
- the lever 23 extends adjacent to a side 31 of the base body 21 and has a first lever arm 22 of greater length and a second lever arm 32 of less length, which extends on the side opposite that of the first lever arm 22 relative to the pin 25.
- the base body 21 has an elongated hole 47 at the top for front adjustment of the fixing thereof to the hinge arm 4 by means of the screw 48.
- the hole 47 is elongated in the translation direction of the expulsion member 17, so that the fixing position of the base body 21 in the translation direction of the expulsion member 17 can be calibrated by loosening the screw 48 to modify the fastening position thereof in the hole 47 and subsequently re-tightening the screw 48.
- the resetting device comprises a pivotable member 33 for the combined driving of the expulsion member 17 and lever 23.
- the driving member 33 is fulcrumed to the hinge arm 4 at 40 and has a drive cam 34 suitable for interfering with the wall of a recess 35 present on the expulsion member 17 so as to transform the pivoting of the driving member 33 into a backward translation of the expulsion member 17; the driving member 33 further has a pin 36 for driving a transmission rod 37 which at one end is fulcrumed to the pin 36 and at the opposite end has a pin 39 slidingly engaged in a slot 38 present on the second lever arm 32 so as to transform the pivoting of the driving member 33 into a pivoting of the lever 22 toward the engagement position of the hooking element 19.
- the pin 36 slidingly and freely extends through a curved slot 45 centred at 40 and fashioned on a side 31 of the box-like body 21.
- the driving member 33 can be directly or indirectly actuated by a mobile part of the hinge during the opening of the door 1.
- the driving member 33 can be actuated by a lever 8' solidly joined to the rocker arm 8 by means of a transmission member 42 fulcrumed to the hinge arm 4 at 44.
- the pivot fulcrums 40 and 44 of the driving member 33 and the transmission member 42 are parallel to each other and to the pivot fulcrum of the lever 23 and in turn to the pivot fulcrums 10, 11, 12, and 13 of the rocker arms 7 and 8 which connect the hinge arm 4 to the hinge box 3.
- the hooking element 19 and/or preferably the catch 24 present on the expulsion member 17 is provided with a slanting surface 46 suitable for causing, when the hooking element 19 goes into the engagement position, an additional backward movement of the expulsion member 17 relative to the position reached under the action of the resetting device, in such a way as to increase the contact pressure of the hooking element 19 against the catch 24 determined by the first elastic means 18.
- the opening device is integrated into the hinge 2 in a position such that the front end of the expulsion member 17 can interfere with the edge 49 of the hinge box 3, which projects from the thickness of the door 1, or directly with the inside surface of the door 1.
- the door 1 is initially closed ( figures 2 and 3 ) and the edge 49 of the hinge box 3 is resting against the front end of the expulsion member 17, which posteriorly restrains the hooking member 19 with the catch 24.
- the retaining force of the hooking member 19 in the engagement position is substantially determined by the pushing action that the first elastic means 18 exert on the expulsion member 17 in the extraction direction and in particular it is proportional to the degree of compression of the helical spring.
- the expulsion member 17 can freely snap forward due to the expansion of the first elastic means 18 and thereby give rise to the first opening phase of the door 1 ( figures 6 and 7 ).
- the resetting of the opening device takes place during the subsequent phase of completion of the opening of the door 1 imposed by the user and is due to the rocker arm 8, which actuates the kinematic chain comprising the transmission member 42 and driving member 33 in cascade fashion.
- the rocker arm 8 pivots in a direction (anticlockwise in the figures) which determines the pivoting of the transmission member 42 in the opposite direction (clockwise in the figures) 42 and the pivoting of the driving member 33 in a concordant direction (anticlockwise in the figures).
- the driving member 33 by virtue of the pivoting thereof, performs a dual action: on the one hand, with the drive cam 34 it engages and pushes against the rear wall of the recess 35, generating a backward movement of the expulsion member 17, opposed by the first elastic means 18, which are compressed; on the other hand, with the pin 36, the driving member 33 actuates the transmission rod 37, which, with the pin 39, first slides in the slot 38 and finally pushes against the rear end of the slot 38, generating a pivoting movement of the lever 23 toward the engagement position of the hooking element 19, opposed by the second elastic means 20, which are compressed.
- the actuation of the lever 23 is thus time-delayed relative to that of the expulsion member 17, so that the lever 23 is made to pivot only after the catch 24 has passed over the hooking member 19 in its retraction movement.
- the rocker arm 8 reverses the pivoting direction and this simply causes the disengagement of the drive cam 34 from the rear wall of the recess 35 and the disengagement of the pin 39 from the rear end of the slot 38, while the opening device remains in the reset configuration since the hooking element 19 remains held in the engagement position thanks to the prevalence of the retaining action generated by the first elastic means 18 over the release action generated by the second elastic means 20.
- a particularly advantageous aspect of the invention consists in the fact that the automatic opening and closing device has a special configuration, thanks to which it can be integrated directly into the hinge, the retaining means being capable of achieving a correct release of the expulsion member even when the door pivots by a few tenths of a millimetre. This undoubtedly results in a simplification of the installation of the opening device, which does not require specific operations and improves the exploitability of the internal spaces of the furniture piece.
Abstract
Description
- The present invention relates to a hinge provided with an automatic opening and closing device for a furniture piece door, particularly, but not exclusively, a hinge of the push self-closing type, i.e. one which enables the door to be both opened and subsequently closed in an automatic manner.
- In the realm of furniture without handles or similar opening means, the use of opening means which, following a push on the closed door by the user, generate a movement of the door in the opening direction by a first distance that is sufficient in order for the user to grasp it and open it completely, is well known.
- In particular, there is conventionally provided an opening device comprising an expulsion member for the door, which member is subjected to an elastic force, and means for retaining the expulsion member itself, which can generally be released by the user by pressing on the closed door to impose a backward movement of a few millimetres.
- Once its action has been performed, the opening device must then be reloaded, for example by means of a push exerted by the user in the opposite direction on the door in the final part of the closing movement thereof, or by special reloading means actuated by the movement of the door itself.
- Accordingly, therefore, such devices are placed on the furniture piece on the side opposite the one where the hinges are fixed, requiring specific operations for the assembly and correct functioning thereof.
- In fact, if said opening device is placed in the area of the hinges or in any case applied to the furniture piece on the hinge side, the movement of the hinge elements or of the door itself on the hinge side, which is generated as a consequence of the push exerted by the user on the closed door, will be of an order of magnitude of only a few tenths of a millimetre, and thus insufficient to generate the movement necessary to enable the release of the retaining means of the expulsion member.
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Document DE 20 2004019238 U1 discloses a hinge provided with an automatic opening and closing device for a furniture piece door according to the preamble ofclaim 1. - The technical task that the present invention has set itself, therefore, is to realize a hinge provided with an automatic opening and closing device for a furniture piece door which allows the aforementioned technical drawback of the prior art to be overcome.
- Within the scope of this technical task, one object of the invention is to provide a hinge provided with an automatic opening and closing device for a furniture piece door which enables the expulsion member to be released even in the presence of movements of the door on the order of a few tenths of a millimetre.
- Another object of the invention is to provide a hinge provided with an automatic opening and closing device for a furniture piece door which can function in a lasting manner without any deterioration in performance and which can be applied to the furniture piece without requiring any particular processes or operations.
- The technical task according to the present invention is achieved by realizing a hinge according to
claim 1. The hinge is provided with an automatic opening and closing device for a furniture piece door, said opening device comprising an expulsion member movable in opposition and under the action of first elastic means which subject it to a force in the opening direction of the door, and releasable retaining means for the expulsion member comprising a hooking element for the expulsion member, movable between a position of engagement and a position of disengagement with the expulsion member, said hooking element being held in the engagement position by the push exerted by the expulsion member via said first elastic means. - The releasable retaining means further comprise second elastic means for actuating the hooking element configured and disposed in such a way as to move the hooking element toward the disengagement position as a result of pressure exerted on the expulsion member in the direction opposite to the opening direction of the door. The hooking element is provided at the end of a first arm of a lever pivotable in opposition and under the action of the second elastic means.
- Other characteristics of the present invention are defined, moreover, in the appended claims.
- Further characteristics and advantages of the invention will be more apparent from the description of a preferred, but not exclusive embodiment of the hinge provided with an automatic opening and closing device for a furniture piece door, in which:
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figure 1 shows a median longitudinal cross section of the hinge in the closing configuration of the door; -
figure 2 shows a side view of the hinge offigure 1 in a configuration assumed during the push exerted by the user on the closed door; -
figure 3 shows a partial cross section of the hinge in the configuration illustrated infigure 2 ; -
figure 4 shows a side view of the hinge offigure 1 in a configuration assumed after the push exerted by the user on the closed door, at the moment of release of the expulsion member; -
figure 5 shows a partial cross section of the hinge in the configuration illustrated infigure 4 ; -
figure 6 shows a side view of the hinge offigure 1 in a configuration assumed at the end of the extraction of the expulsion member; -
figure 7 shows a partial cross section of the hinge in the configuration illustrated infigure 6 ; -
figure 8 shows a side view of the hinge offigure 1 in a configuration in which the expulsion member has been reset, and an enlargement of a detail thereof; -
figure 9 shows a partial cross section of the hinge in the configuration illustrated infigure 8 . - With reference to the figures, there is shown a
hinge 2 provided with an automatic opening and closing device for a furniture piece door. - The
hinge 2 has ahinge box 3 applied to thedoor 1, a hinge arm 4 applied to a base 5 for fastening to a fixed part of the furniture piece, in particular to ashoulder 6 of the furniture piece, and rockerarms 7 and 8 which operatively connect thehinge box 3 to the hinge arm 4. - The
hinge 2, in a known manner, comprisespins rocker arms 7 and 8 with the hinge arm 4,pins rocker arms 7 and 8 with thehinge box 3, aclosing deceleration device 14 for thedoor 1 of the type with friction discs immersed in a viscous fluid, applied to the outer side of the bottom of thehinge box 3, and anelastic element 15 positioned between the back of the hinge arm 4 and an actuatingcam 16 present at one end of the rocker arm 7 and suitable for assisting the closure of thedoor 1. - The opening device comprises an
expulsion member 17 movable in opposition and under the action of firstelastic means 18, which subject it to a force in the opening direction of thedoor 1, and releasable retaining means for theexpulsion member 17. - The retaining means comprise a hooking
element 19 for theexpulsion member 17. The hookingelement 19 is movable between a position of engagement and a position of disengagement with theexpulsion member 17. - The hooking
element 19 is held in the engagement position by the push exerted by theexpulsion member 17 via the firstelastic means 18. - The retaining means further comprise second elastic means 20 configured and disposed in such a way as to move the hooking
element 19 toward the disengagement position as a result of pressure exerted on theexpulsion member 17 in the direction opposite to the opening direction of thedoor 1. - The opening device has a
base body 21 applied to the hinge arm 4 and translatably supporting theexpulsion member 17. - The
base body 21 supports alever 23 pivotable in opposition and under the action of the secondelastic means 20. - The hooking
element 19 is fashioned at one end of afirst arm 22 of thelever 23. Thefirst arm 22 of thelever 23 extends beyond the rear end of thebase body 21, where the hookingelement 19 is engageable with acatch 24 present on the rear end of theexpulsion member 17. - The
lever 23 has apivot fulcrum 25 oriented orthogonally to the translation direction of theexpulsion member 17. - The second elastic means 20 comprise a torsion spring, interposed between the
base body 21 and thelever 23, which in particular is wrapped around a pin constituting thepivot fulcrum 25 and has one end coupled to thefirst arm 22 of thelever 23 and one end positioned against astop 26 present on thebase body 21. - The
base body 21 has a box-like configuration for containing theexpulsion member 17, whoserear end 26 extends out through arear aperture 27 of thebase body 21 and whosefront end 28 extends out through afront aperture 29 of thebase body 21. - The
base body 21 internally defines ahousing 30 for theexpulsion member 17 and the firstelastic means 18, which in this case are represented by a helical spring deformable in the direction of movement of theexpulsion member 17. - The
lever 23 extends adjacent to aside 31 of thebase body 21 and has afirst lever arm 22 of greater length and asecond lever arm 32 of less length, which extends on the side opposite that of thefirst lever arm 22 relative to thepin 25. - The
base body 21 has an elongatedhole 47 at the top for front adjustment of the fixing thereof to the hinge arm 4 by means of thescrew 48. - The
hole 47 is elongated in the translation direction of theexpulsion member 17, so that the fixing position of thebase body 21 in the translation direction of theexpulsion member 17 can be calibrated by loosening thescrew 48 to modify the fastening position thereof in thehole 47 and subsequently re-tightening thescrew 48. - Integrated within the
hinge 2 there is a device for automatically resetting the hookingelement 19 to the configuration of engagement with theexpulsion member 17. - The resetting device comprises a
pivotable member 33 for the combined driving of theexpulsion member 17 andlever 23. - The driving
member 33 is fulcrumed to the hinge arm 4 at 40 and has adrive cam 34 suitable for interfering with the wall of arecess 35 present on theexpulsion member 17 so as to transform the pivoting of the drivingmember 33 into a backward translation of theexpulsion member 17; the drivingmember 33 further has apin 36 for driving atransmission rod 37 which at one end is fulcrumed to thepin 36 and at the opposite end has apin 39 slidingly engaged in aslot 38 present on thesecond lever arm 32 so as to transform the pivoting of the drivingmember 33 into a pivoting of thelever 22 toward the engagement position of the hookingelement 19. - The
pin 36 slidingly and freely extends through acurved slot 45 centred at 40 and fashioned on aside 31 of the box-like body 21. - The driving
member 33 can be directly or indirectly actuated by a mobile part of the hinge during the opening of thedoor 1. - In particular, the driving
member 33 can be actuated by a lever 8' solidly joined to therocker arm 8 by means of atransmission member 42 fulcrumed to the hinge arm 4 at 44. - The
pivot fulcrums member 33 and thetransmission member 42 are parallel to each other and to the pivot fulcrum of thelever 23 and in turn to thepivot fulcrums rocker arms 7 and 8 which connect the hinge arm 4 to thehinge box 3. - The hooking
element 19 and/or preferably thecatch 24 present on theexpulsion member 17 is provided with a slantingsurface 46 suitable for causing, when the hookingelement 19 goes into the engagement position, an additional backward movement of theexpulsion member 17 relative to the position reached under the action of the resetting device, in such a way as to increase the contact pressure of the hookingelement 19 against thecatch 24 determined by the firstelastic means 18. - The functioning of the
hinge 2 is briefly as follows. - The opening device is integrated into the
hinge 2 in a position such that the front end of theexpulsion member 17 can interfere with theedge 49 of thehinge box 3, which projects from the thickness of thedoor 1, or directly with the inside surface of thedoor 1. - In the illustrated embodiment, the
door 1 is initially closed (figures 2 and 3 ) and theedge 49 of thehinge box 3 is resting against the front end of theexpulsion member 17, which posteriorly restrains the hookingmember 19 with thecatch 24. - The retaining force of the hooking
member 19 in the engagement position is substantially determined by the pushing action that the first elastic means 18 exert on theexpulsion member 17 in the extraction direction and in particular it is proportional to the degree of compression of the helical spring. - The user pushes the closed door 1 (
figures 4 and 5 ) and consequently theedge 49 of thehinge box 3 pushes against the front end of theexpulsion member 17, which moves back until determining the release of the hookingelement 19 under the action of the pivoting (in an anticlockwise direction in the figures) of thelever 23 caused by the stretching of the secondelastic means 20. - When the hooking
member 19 is uncoupled and the user releases thedoor 1, theexpulsion member 17 can freely snap forward due to the expansion of the firstelastic means 18 and thereby give rise to the first opening phase of the door 1 (figures 6 and 7 ). - The resetting of the opening device takes place during the subsequent phase of completion of the opening of the
door 1 imposed by the user and is due to therocker arm 8, which actuates the kinematic chain comprising thetransmission member 42 and drivingmember 33 in cascade fashion. - In the initial part of the opening phase (up to an opening angle of about 75°) of the
door 1 therocker arm 8 pivots in a direction (anticlockwise in the figures) which determines the pivoting of thetransmission member 42 in the opposite direction (clockwise in the figures) 42 and the pivoting of the drivingmember 33 in a concordant direction (anticlockwise in the figures). - The driving
member 33, by virtue of the pivoting thereof, performs a dual action: on the one hand, with thedrive cam 34 it engages and pushes against the rear wall of therecess 35, generating a backward movement of theexpulsion member 17, opposed by the firstelastic means 18, which are compressed; on the other hand, with thepin 36, the drivingmember 33 actuates thetransmission rod 37, which, with thepin 39, first slides in theslot 38 and finally pushes against the rear end of theslot 38, generating a pivoting movement of thelever 23 toward the engagement position of the hookingelement 19, opposed by the second elastic means 20, which are compressed. - The actuation of the
lever 23 is thus time-delayed relative to that of theexpulsion member 17, so that thelever 23 is made to pivot only after thecatch 24 has passed over the hookingmember 19 in its retraction movement. - As said, when the hooking
element 19 goes back into the engagement position (figure 8 and 9 ), the hookingelement 19 engages theslanting surface 46 present on thecatch 24, causing an additional backward movement of theexpulsion member 17 relative to the position reached under the action of the resetting device, so as to assure the contact pressure of the hookingelement 19 against thecatch 24 determined by the firstelastic means 18. In this manner a stable and secure configuration of engagement is obtained between the hookingelement 19 and theexpulsion member 17. - In the last part of the phase of completion of the opening of the
door 1, therocker arm 8 reverses the pivoting direction and this simply causes the disengagement of thedrive cam 34 from the rear wall of therecess 35 and the disengagement of thepin 39 from the rear end of theslot 38, while the opening device remains in the reset configuration since the hookingelement 19 remains held in the engagement position thanks to the prevalence of the retaining action generated by the firstelastic means 18 over the release action generated by the secondelastic means 20. - A particularly advantageous aspect of the invention consists in the fact that the automatic opening and closing device has a special configuration, thanks to which it can be integrated directly into the hinge, the retaining means being capable of achieving a correct release of the expulsion member even when the door pivots by a few tenths of a millimetre. This undoubtedly results in a simplification of the installation of the opening device, which does not require specific operations and improves the exploitability of the internal spaces of the furniture piece.
- The hinge thus conceived is susceptible of numerous modifications and variants, all falling within the scope of the inventive concept as defined in the appended claims; moreover, all the details may be replaced with other technically equivalent elements.
- In practice, the materials used, as well as the dimensions, can be any whatsoever according to need and the state of the art.
Claims (14)
- A hinge (2) provided with an automatic opening and closing device for a furniture piece door (1), said opening device said first elastic means (18) generating on said hooking element (19) a retaining action in the engagement position and said second elastic means (20) generating on said hooking element (19) a releasing action in the engaging position, the first one being prevailing over the second one, comprising an expulsion member (17) movable in opposition and under the action of first elastic means (18) which subject the expulsion member (17) to a force in the opening direction of the door (1), and releasable retaining means for the expulsion member (17) comprising a hooking element (19) for the expulsion member (17), movable between a position of engagement and a position of disengagement with the expulsion member (17), said hooking element (19) being held in the engagement position by the push exerted by the expulsion member (17) via said first elastic means (18), characterized in that the releasable retaining means further comprises second elastic means (20) for actuating said hooking element (19) configured and disposed in such a way as to move the hooking element (19) toward the disengagement position as a result of pressure exerted on the expulsion member (17) in the direction opposite to the opening direction of the door (1), being activated by a push on the closed door by an user and said hooking element (19) being provided at the end of a first arm (22) of a lever (23) of the opening device pivotable in opposition and under the action of said second elastic means (20).
- The hinge (2) according to the preceding claim, characterized in that said lever (23) is supported by a base body (21) of said opening device applied to a hinge arm (4) of the hinge (2).
- The hinge (2) according to the preceding claim, characterized in that said first lever arm (22) extends beyond the rear end of said base body (21), where said booking element (19) is engageable with a catch (24) present on the rear end of the expulsion member (17).
- The hinge (2) according to any one of previous claims, characterized in that said lever (23) has a pivot fulcrum (25) oriented orthogonally to the translation direction of said expulsion member (17).
- The hinge (2) according to any one of claims 2 to 4, characterized in that said second elastic means (20) comprise a torsion spring interposed between the base body (21) and the lever (23).
- The hinge (2) according to any preceding claim, characterized in that it comprises a device for automatically resetting the configuration of engagement of the hooking element (19) with the expulsion member (17).
- The hinge (2) according to the preceding claim, characterized in that said resetting device comprises a pivotable member (33) for the combined driving of said expulsion member (17) and said lever (23), said driving member (33) being directly or indirectly actuatable by a mobile part of the hinge during the opening of the door (1).
- The hinge (2) according to the preceding claim, characterized in that said pivotable driving member (33) has a drive cam (34) suitable for interfering with the wall of a recess (35) present on the expulsion member (17) so as to transform the pivoting of the driving member (33) into a backward translation of the expulsion member (17), the driving member (33) further having a pin (36) for driving a transmission rod (37) which at one end is fulcrumed to the driving pin (36) and at the opposite end has a pin (39) slidingly engaged in a slot (38) present on the second lever arm (32) of the lever (23) so as to transform the pivoting of the driving member (33) into a pivoting of the lever (22) toward the engagement position of the hooking element (19).
- The hinge (2) according to either of claims 7 and 8, characterized in that said driving member (33) is fulcrumed to the hinge arm (4).
- The hinge (2) according to the preceding claim, characterized in that said driving member (33) is actuatable, via a pivotable transmission member (42), by a rocker arm (8) connecting between the hinge arm (4) and a hinge box (3).
- The hinge (2) according to the preceding claim, characterized in that said rocker arm (8), said transmission member (42), said driving member (33) and said lever (23) have parallel pivot fulcrums.
- The hinge (2) according to claim 3 and any one of claims 6 to 11 characterized in that the hooking element (19) and/or the catch (24) present on the expulsion member (17) have a slanting surface (46) suitable for causing, when the hooking element (19) goes into the engagement position, an additional backward movement of the expulsion member (17) relative to the position reached under the action of the resetting device, in such a way as to assure the contact pressure of the hooking element (19) against the catch (24) determined by the first elastic means (18).
- The hinge (2) according to any one of claims 2 to 12, characterized in that said base body (21) has an elongated hole (47) for front adjustment of the fixing thereof to the hinge arm (4) by means of a screw (48).
- A furniture piece characterized in that it has at least one hinge (2) in accordance with any preceding claim.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201230027T SI2564003T1 (en) | 2011-04-13 | 2012-02-14 | Hinge provided with an automatic opening and closing device for a furniture piece door |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000630A ITMI20110630A1 (en) | 2011-04-13 | 2011-04-13 | HINGE PROVIDED WITH AN OPENING AND AUTOMATIC CLOSING DEVICE FOR A FURNITURE DOOR |
PCT/EP2012/052511 WO2012139789A1 (en) | 2011-04-13 | 2012-02-14 | Hinge provided with an automatic opening and closing device for a furniture piece door |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2564003A1 EP2564003A1 (en) | 2013-03-06 |
EP2564003B1 true EP2564003B1 (en) | 2014-01-29 |
Family
ID=44120408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12703555.8A Active EP2564003B1 (en) | 2011-04-13 | 2012-02-14 | Hinge provided with an automatic opening and closing device for a furniture piece door |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2564003B1 (en) |
JP (1) | JP2014514474A (en) |
BR (1) | BR112013007539A2 (en) |
ES (1) | ES2452941T3 (en) |
IT (1) | ITMI20110630A1 (en) |
SI (1) | SI2564003T1 (en) |
WO (1) | WO2012139789A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203856311U (en) * | 2014-05-13 | 2014-10-01 | 广东泰明金属制品有限公司 | Large opening-closing hinge for furniture doors |
IT201700089307A1 (en) * | 2017-08-03 | 2019-02-03 | Salice Arturo Spa | Hinge with opening device for furniture. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012100981A1 (en) * | 2011-01-24 | 2012-08-02 | Arturo Salice S.P.A. | An opening device for a door of an article of furniture and an assembly comprising a hinge and the opening device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10333925B4 (en) * | 2003-07-24 | 2007-03-22 | Grass Gmbh | Furniture hinge with automatic opening, especially for furniture doors |
ITRM20040179U1 (en) * | 2004-11-12 | 2005-02-12 | Salice Arturo Spa | HINGE FOR FURNITURE WITH DAMPING DEVICE. |
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 |
AT504686B1 (en) * | 2006-12-21 | 2008-12-15 | Lautenschlaeger Mepla Werke | DOUBLE ARM HINGE |
-
2011
- 2011-04-13 IT IT000630A patent/ITMI20110630A1/en unknown
-
2012
- 2012-02-14 JP JP2014504216A patent/JP2014514474A/en active Pending
- 2012-02-14 ES ES12703555.8T patent/ES2452941T3/en active Active
- 2012-02-14 SI SI201230027T patent/SI2564003T1/en unknown
- 2012-02-14 BR BR112013007539A patent/BR112013007539A2/en not_active IP Right Cessation
- 2012-02-14 WO PCT/EP2012/052511 patent/WO2012139789A1/en active Application Filing
- 2012-02-14 EP EP12703555.8A patent/EP2564003B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012100981A1 (en) * | 2011-01-24 | 2012-08-02 | Arturo Salice S.P.A. | An opening device for a door of an article of furniture and an assembly comprising a hinge and the opening device |
Also Published As
Publication number | Publication date |
---|---|
SI2564003T1 (en) | 2014-05-30 |
BR112013007539A2 (en) | 2017-08-08 |
WO2012139789A1 (en) | 2012-10-18 |
EP2564003A1 (en) | 2013-03-06 |
ES2452941T3 (en) | 2014-04-03 |
ITMI20110630A1 (en) | 2012-10-14 |
JP2014514474A (en) | 2014-06-19 |
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