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
  • 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
  • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
  • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B95/00—Fittings for 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
  • 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
  • E05F5/027—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops with closing action
• • 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
  • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
  • E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston 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
  • E05Y2201/21—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
  • E05Y2201/252—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
  • E05Y2201/252—Type of friction
  • E05Y2201/254—Fluid or viscous friction
  • E05Y2201/256—Fluid or viscous friction with pistons or vanes
• • 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
  • E05Y2201/264—Type of motion, e.g. braking linear
• • 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 Invention relates to a decelerated hinge for furniture doors, in particular a hinge suitable for being applied on pieces of furniture provided with a face frame for fixing the hinges themselves.
• hinges comprising a fixed part connectable to the body of the piece of furniture and a movable part, consisting of a box, connectable to the door.
• the hinges themselves generally require the box to be connected to an arm of the fixed part by means of a single articulation pin.
• the hinges further comprise suitable spring means, which can be, for example, in the form of two torsion springs placed in proximity to the side walls of the box, or else in the form of a leaf spring fixed inside the box in a central position and loaded in such a way as to draw the arm of the fixed part in closing direction of the hinge.
• suitable spring means can be, for example, in the form of two torsion springs placed in proximity to the side walls of the box, or else in the form of a leaf spring fixed inside the box in a central position and loaded in such a way as to draw the arm of the fixed part in closing direction of the hinge.
• a linear decelerating device In order to decelerate the closing movement of the hinge, in the presence of side torsion closure springs, a linear decelerating device can be placed inside the box; depending on the available space left by the closure springs themselves, said device comprises a fluid-type decelerating cylinder arranged centrally and two return springs placed on opposite sides of the decelerating cylinder itself.
• the main object of the present invention i s therefore to provide a decelerated hinge for furniture doors, in particular for pieces of furniture provided with a face frame for fixing, which has a decelerating device configured so as to be suitable for being associated with closing means placed centrally in the hinge box.
• Another object of the present invention is to provide a hinge of the kind considered, which is capable of exerting an effective decelerating action along a particularly extensive swing arc of the hinge.
• a further object of the present invention is to provide a hinge of the kind considered, in which the decelerating device is of simple construction and features components that can be easily assembled together.
• a hinge for mounting a door on a piece of furniture comprising:
• a box fixable to a door of the piece of furniture the box being swingably connected to said hinge arm at a rear longitudinal end of the box and having side walls longitudinally extending on opposite sides of the box starting from said rear end;
• the device comprising a fluid-type decelerating cylinder and return spring means operatively connected with each other,
• said fluid-type decelerating cylinder and said return spring means extend parallel to and spaced apart from each other, said fluid-type decelerating cylinder being arranged in proximity to a first of said side walls of the box and said return spring means arranged in proximity to the opposite side wall of the box.
• Fig. 1 is a perspective view of the hinge according to one embodiment of the invention.
• Fig. 2 is a perspective view of the decelerating device of the hinge of Fig. 1 ;
• Fig. 3 is a perspective view of the box of hinge with the central closing means acting upon the end. part of the hinge arm;
• Fig. 4 is a longitudinal sectional view of the decelerating device of Fig. 2 according to the line 4-4;
• Fig. 5 is a longitudinal sectional view of the decelerating device of Fig. 2 according to the line 5-5;
• Fig. 6 is an exploded perspective view of the decelerating device of Fig. 2;
• Fig. 7 is a median longitudinal sectional view of the hinge of Fig. 1 in an open position;
• Fig. 8 is a median longitudinal sectional view of the hinge of Fig. 1 , wherein the hinge is represented in a partially closed position, in which the driving surfaces provided on the hinge arm come into contact with the contact surfaces of the decelerator;
• Fig. 9 is a median longitudinal sectional view of the hinge of Fig. 1 , wherein the hinge is represented in a closed position.
• the hinge according to the present invention is particularly suitable for being configured for an application to American-type pieces of furniture provided with a face frame 1 1 on which the hinges are fixed.
• This type of hinge 1 0 generally comprises an arm 1 2 for fixing the hinge itself to a fixed part of the piece of furniture, in particular to the face frame 1 1 , and a box 13 for fixing to a door 14 of the piece of furniture.
• the box 13 is swingably connected to the fixing arm 1 2 at a rear longitudinal end of the box 13 itself, preferably by means of a single swing pin 15 that extends transversely relative to the longitudinal axis of the fixing arm 12, in such a way that the box 13 can rotate between an open position of the door, illustrated in Fig. 7, and a closed position of the door, illustrated in Fig. 9, under the action of spring closing means of a known type, for example at least a leaf spring 16, arranged centrally and longitudinally inside the box 1 3.
• the hinge box 13 comprises a bottom wall 17 and side walls 18', 18" which extend longitudinally on opposite sides of the box starting from the rear end.
• the bottom wall 17 has a bridge 17', which can be obtained by cutting and plastic deformation of the metal sheet, and which defines an insertion seat for a front end of the leaf spring 16; the rear end of the spring 16 is instead curved toward the swing pin 1 5 and rests on a cam 1 9 inserted on the lower edge of an opening 20 formed in a front part 21 of the hinge arm 1 2.
• the hinge 10 further comprises a linear- type a decelerating device 22, arranged inside the box 13, which comprises a fluid-type decelerating cylinder 23 and return spring means 24 operatively connected with each other.
• the fluid-type decelerating cylinder 23 and the return spring means 24 extend parallel to and spaced apart from each other, with the fluid-type decelerating cylinder arranged in proximity to a first side wall 1 8 ' of the box 13 and the return spring means 24 arranged in proximity to the opposite side wall 18' of the box 13, the cylinder 23 and the return means 24 thus arranged separately from each other.
• the fluid-type decelerating cylinder 23 and the return spring means 24 extend parallel to and spaced apart from each other along respective opposite sides of the leaf spring 1 6.
• the decelerating device 22 comprises a retaining or housing body 25 fixable in the hinge box 13 at the front end thereof and a slider 26 slidably arranged at least partially in the retaining body 25 parallel to the bottom wall 17 of the box 13 or else slidably arranged between the retaining body 25 and the bottom wall 17 of the box 13.
• the slider 26 is movable between a first extended position, corresponding to the open position of the hinge illustrated in Fig. 7, and a second contracted position corresponding to the closed position of the hinge illustrated in Fig. 9.
• the decelerating cylinder 23 comprises a piston 27 movable in a chamber 28 for the fluid, preferably consisting of oil or another viscous fluid.
• the slider 26 comprises a first 26' and a second 26" hollow cylindrical parts which are operatively connected with each other, for example by means of a transverse connecting element 29, and extend parallel to and spaced apart from each other: the first hollow cyl indrical part 26' defines the chamber 28 for the piston 27 of the decelerating cylinder (23 ), whilst the second hollow cylindrical part 26" defines a housing seat for the return spring means 24.
• the first and the second cylindrical parts 26', 26" of the slider 26, at an end extending from the retaining body 25 toward the rear end of the box 13, have respective closing walls 30', 30" provided with shaped contact surfaces or cams 3 i ', 31 " for contacting corresponding drive surfaces 32', 32" provided on the hinge arm; in particular, with reference to the preferred embodiment illustrated, the driving surfaces 32', 32" extend on bent sections of the front part 21 of the arm 12, at the sides of the opening 20 for the leaf spring 16.
• the shaped contact surfaces 3 ⁇ , 31 " are arc-shaped, with the concavity facing the driving surfaces 32', 32" of the hinge arm 1 2; by suitably configuring the contact surfaces 3 ⁇ , 31 " and in particular by modifying the curvature thereof, it is possible to modulate the braking action according to need and the type of application of the hinge, for example by providing a curvature of the surfaces such as to impose a nearly constant movement of the slider along the swing arc of the hinge during which the braking occurs, or else by providing for an increasing movement of the slider along the swing arc of the hinge toward closing.
• the closing walls 30', 30" of the cylindrical parts 26', 26" of the slider have side guide projections 33 conformed and arranged so as to slide along the respective side walls 1 8', 1 8" of the box 1 3.
• the cylindrical parts 26', 26" of the slider 26 in turn have side guide surfaces 34 conformed and arranged so as to slide along inner surfaces 35 of the retaining body 25.
• the decelerating cylinder 23 comprises the first hollow cylindrical part 26' itself, which defines the chamber 28 for the piston.
• the piston 27 includes, on a front side thereof, a blind axial hole for inserting a rod 36 under pressure and peripherally has a annular groove 37 for housing a ring gasket 38; the annular groove 37 is set between a front wall 27' and a rear wall 27" of the piston, which have respective peripheral passages 39', 39" for the fluid, where the rear passages 39" have a greater passage opening to facilitate the return of the device.
• the ring gasket 38 is arranged in the groove 37 with axial and radial slack, the outer surface of the ring gasket 38 being adherent to the inner surface of the chamber 28 of the decelerating cylinder.
• the cylinder 23 further comprises a volume-compensating ring element 40, preferably in the form of a closed-cell rubber ring, as well as a ring seal 41 , for example of the lip type, for assuring a seal between the piston rod 36 and inner surface of the chamber 28 for the piston.
• a volume-compensating ring element 40 preferably in the form of a closed-cell rubber ring, as well as a ring seal 41 , for example of the lip type, for assuring a seal between the piston rod 36 and inner surface of the chamber 28 for the piston.
• the cylinder 23 comprises a ring closing cover 42 for closing the chamber, fixable to the front end of the first cylindrical parts 26', for example by providing a snap-engagable ring-shaped recess for a peripheral edge of the cover 42.
• the piston rod 36 extends in succession through the cover 42, the ring seal 41 and the volume-compensating element 40 so as to be inserted under pressure into an axial hole of the piston 27; in order to achieve better retention, the rod 36 has a peripheral toothing or knurling on the end to be press fitted in the axial hole of the piston 27.
• the piston rod 36 protrudes at a front end of the first cylindrical part 26' of the slider 26 ending with a head 36' hookable to the retaining body 25 of the device.
• the retaining body 25 has a top and two side walls 43 which extend according to a U-shaped cross section and comprises a front wall 44 provided with a hooking seat 44' for the head 36' of the piston rod 36.
• the chamber 28 preferably has at least one fluid passage groove 45 longitudinally extending along at least part of the inner surface of the first cylindrical part 26'.
• the opening of the fluid passage groove 45 has a cross section variable along its longitudinal extension.
• the return means 24, serving to bring the slider 26 from the contracted position back into the extended position preferably comprise a helical spring extending between a reference projection 46 provided on the front wall 44 of the retaining body 25 and the bottom of the second cylindrical part 26 "of the slider.
• the retaining body 25 preferably has side spring wings 47 which are snap-engagable in corresponding side openings 48 in the hinge box 13 or vice versa.
• the side walls 18', 1 8" of the box 13 preferably have a first side locking projection 49 for the retaining body 25 in a central area, and a second travel limit projection 50 for the slider 26 in a rear area, both protruding on the inside of the box 13.
• the driving surfaces 32 ⁇ 32" of the hinge arm 1 2 come into contact with the shaped surfaces 3 1 ', 31 " of the slider 26 at a swing angle of the hinge comprised, for example, between 30° and 40° from the completely closed position of the same illustrated in Fig. 9; therefore, already starting from this swing angle of the hinge, the driving surfaces 32', 32" cause the slider 26 to move from the aforesaid extended position to the contracted position, resulting in a wide deceleration arc for the hinge.
• the decelerated hinge according to the invention has a decelerating device configured in a suitable manner for being associated with closing means which are placed centrally in the hinge box; moreover, the decelerating device is simple in construction and has components that can be easily assembled together.

Landscapes

• Closing And Opening Devices For Wings, And Checks For Wings (AREA)
• Hinges (AREA)
• Compositions Of Macromolecular Compounds (AREA)

Priority Applications (9)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46758853

Family Applications (1)

Country Status (13)

Cited By (3)

Families Citing this family (28)

Citations (4)

Family Cites Families (15)

• 2012
  • 2012-06-26 IT IT001122A patent/ITMI20121122A1/it unknown
• 2013
  • 2013-05-07 US US14/366,982 patent/US8925151B2/en active Active
  • 2013-05-07 CN CN201380003499.5A patent/CN103857864B/zh active Active
  • 2013-05-07 BR BR112014008737-7A patent/BR112014008737B1/pt active IP Right Grant
  • 2013-05-07 PL PL13721708T patent/PL2742201T3/pl unknown
  • 2013-05-07 SI SI201330075T patent/SI2742201T1/sl unknown
  • 2013-05-07 EP EP13721708.9A patent/EP2742201B1/en active Active
  • 2013-05-07 JP JP2015518915A patent/JP6030235B2/ja active Active
  • 2013-05-07 KR KR20147008876A patent/KR20150029604A/ko not_active Withdrawn
  • 2013-05-07 ES ES13721708.9T patent/ES2549225T3/es active Active
  • 2013-05-07 HU HUE13721708A patent/HUE025556T2/en unknown
  • 2013-05-07 WO PCT/EP2013/059447 patent/WO2014000931A1/en not_active Ceased
  • 2013-05-09 TW TW102116501A patent/TWI531711B/zh active

Patent Citations (4)

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