EP3132719A1 - Ferrure pivotante et meuble rembourre - Google Patents
Ferrure pivotante et meuble rembourre Download PDFInfo
- Publication number
- EP3132719A1 EP3132719A1 EP16184493.1A EP16184493A EP3132719A1 EP 3132719 A1 EP3132719 A1 EP 3132719A1 EP 16184493 A EP16184493 A EP 16184493A EP 3132719 A1 EP3132719 A1 EP 3132719A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pivot fitting
- lever
- levers
- spring
- fitting according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/027—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of clamps or friction locking members
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
- A47C1/0308—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable by rotation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
Definitions
- the present invention relates to a pivot fitting, in particular for moving furniture parts on upholstered furniture, with at least two levers which are rotatably mounted about a common axis, wherein the two levers via a clamping mechanism are infinitely fixed in different angular positions relative to each other, and a upholstered furniture.
- the EP 2 389 839 discloses a pivot fitting, in which a relative position of two levers can be fixed via a latching mechanism, for example, for pivotally supporting a headrest.
- a lever of the swivel fitting is biased by a spring against the adjustment direction to prevent an adjustment of the swivel fitting when loaded by a surrounding material.
- latching noises are generated during an adjustment, which have a disturbing effect.
- the pivoting fitting comprises at least two levers which can be fixed relative to one another in a stepless manner in different angular positions by means of a clamping mechanism, wherein a spring element is provided which biases the two levers relative to one another in a direction of rotation.
- the spring force is used for an adjustment, which acts in one direction supporting and in the opposite direction the adjustment difficult.
- the clamping mechanism allows only after overcoming a predetermined torque, a continuous adjustment of the lever relative to each other, wherein the force of the spring element causes a torque which is between 20% and 80% of the predetermined torque, in particular between 30% and 60%. This ensures that the spring element does not independently adjust the pivot fitting, but on the other hand supports in a predetermined adjustment direction.
- the levers are preferably pivotable in opposite directions relative to one another and fixable in a pivoted position. As a result, an adjusting operation can be largely silent, and the stepless adjustment all angular positions of the two levers can be adjusted.
- the clamping mechanism may comprise at least one friction disc which is in operative connection with the two levers.
- the use of multiple friction plates is possible. As a result, the torque that must be overcome for an adjustment can be set relatively precisely.
- the spring element can be held with one end on a lever and with the opposite end on an axis of the swivel fitting. It can be provided on the axis of a nut, and one end of the spring is positively held on the mother. Thereby, the spring element can be formed in a compact manner as a wound band spring and produce a comparatively high torque.
- the orientation of the nut should always remain the same for this lever. This is achieved in this embodiment by the attractive forces and the prevailing frictional forces between the nut, lever and screw.
- the spring element can engage around one end of a bolt which is fixed to a tab.
- the bolt may optionally be formed as a separate component or fixed to a housing or be integrally formed therewith to tension the spring.
- the spring element can be mounted with one end in a housing, wherein the housing is fixed by a fastening means on a tab.
- the positionally correct orientation of the nut to the lever is achieved by an additional securing element, in particular a securing plate, by means of which a nut can be positioned rotationally fixed relative to a lever.
- the securing element to the nut can be fixed in a form-fitting or cohesive manner and at the same time mounted non-rotatably on the tab.
- the mother can be formed here as a square nut.
- the locking plate can fit positively in a recess of the mother, or embrace the nut form fit.
- the housing may be formed in two parts with a film hinge. The first half of the housing is pushed over the lever after assembly of the individual parts and then folded over the film hinge about the axis and closed.
- a spring tongue can latch in a receiving bridge.
- the housing can stabilize the spring against tipping.
- a torsion spring can be used as the spring element instead of a leaf spring.
- the spring element can engage with a first end on a first lever, and with the second end on the second lever.
- the spring ends may rest against an edge, a recess or a bearing pin of the respective lever.
- a upholstered furniture is also provided with a swivel fitting, wherein the swivel fitting is preferably used to adjustably fix an armrest, a headrest, a footrest, or another pivotable furniture part to a upholstered furniture.
- a pivot fitting 1 comprises a first lever 2 and a second lever 3 which are rotatably mounted about a common axis.
- an angle 4 is fixed, which serves for fastening the lever 2 to a furniture part, such as a furniture body, or on an adjustable headrest, armrest or other movable part.
- the lever 3 is equally fixed either on a furniture body or on an adjustable furniture part.
- the swivel fitting 1 is designed as a friction fitting, d. H.
- the two levers 2 and 3 are continuously adjustable relative to each other and can be fixed by friction forces in different angular positions together.
- the levers 2 and 3 are moved relative to each other, wherein the holding forces of a clamping mechanism must be overcome, which provides the friction forces.
- a spring 6 is provided, which is fixed to the lever 3 and biases the lever 3 in a rotational direction relative to the lever 2.
- the spring is formed as a wound band spring and has a bent U-shaped end 60 which is fixed to a pin 5.
- the bolt 5 is fixed to the lever 3, so that via the spring 6, a torque is applied.
- the spring 6 is fixed to a nut 8, which is fixed to a threaded portion of an axis 7.
- the spring 6 is shown in a plan view, and it can be seen that one end 60 of the spring surrounds the pin 5 and the opposite end 61 surrounds the nut 8 and is fixed by appropriate folds on the nut 8.
- FIG. 4 the swivel fitting is shown in a section in which the arrangement of the spring 6 around the nut 8 is shown.
- the spring 6 projects beyond the nut 8 and the axis 7 in the axial direction.
- the spring 6 does not necessarily have to project beyond the nut 8 in the axial direction. This is so only in this embodiment. It can also be used a higher mother, which is the same height as the spring 6.
- the spring 6 is shown in detail, which is made as a wound strip spring made of metal and the ends 60 and 61 are shaped so that they can be positively fixed to the bolt 5 and the nut 8.
- FIG. 6 a section through the pivot fitting is shown, wherein it can be seen that on the second lever 3, an opening is provided, through which the axis 7 is performed.
- the axis 7 comprises a threaded bolt and a frusto-conical head 70 which is arranged on the side opposite to the nut 8 side.
- the frusto-conical head 70 presses on a plate spring 71, so that the assembly between the nut 8 and the head 70 is fixed by clamping.
- the lever 2 has in the region of the axis 7 on a first arm 20 which bears against the plate spring 71, and a second arm 21 which bears against a washer 22.
- friction plates 9 are provided which may be made for example of an elastic material or plastic in order to adjust the frictional forces to move the lever 2 and 3 exactly. Between the two friction plates 9, the lever 3 is arranged. When the nut 8 is tightened, the package between the plate spring 71 and the washer 22 is compressed, and when the clamping forces in the axial direction are increased, the clamping force for moving the levers 2 and 3 relative to each other also increases. An adjustment between the levers 2 and 3 can thus be carried out only when the torque is greater than the frictional forces of the clamping mechanism.
- the spring 6 is provided, the spring 6 preferably providing a torque which is arranged in a range between 20% and 80% of the torque necessary to overcome the frictional forces of the clamping mechanism ,
- FIG. 7 a modified embodiment of a pivot fitting 1 'is shown, wherein the construction of the pivot fitting 1' with the levers 2 and 3, the clamping mechanism and the spring 6 corresponds to the previous embodiment.
- a housing 10 is arranged around the spring 6, on which integrally a bolt 11 is formed. This reduces the number of components to be mounted, as appropriate FIG. 8 for the installation of the pivot fitting only the spring 6 is fitted onto the nut 8 and then the housing 10 is placed on the axis 7, so that at the same time the pin 11 is inserted into an opening of the lever 3. The bolt 11 can then be fixed to the lever 3 via a fastening means 13.
- a receptacle 12 is formed on the housing 10, in which an end portion of the cylindrical Axis 7 engages. This end portion can also serve as a support of the inner band spring end 61, so that the spring can not be set axially transversely.
- the pivot fitting may be formed as in the previous embodiment.
- a clamping mechanism with friction washers 9 is provided. It is of course also possible to design the clamping mechanism differently, for example, to provide only a single friction disc 9. In addition, the arrangement of the axis and means for clamping the pivot fitting can be modified in the axial direction.
- FIG. 9 a modified pivot fitting is shown, in which in the region of the axis of rotation of the lever 2 and 3, a housing 30 is provided.
- the housing 30 is formed from a first housing part 31 and a second housing part 32, which are mounted pivotably against each other. In a mounted position, the housing parts 31 and 32 can be latched to each other, wherein for this purpose a latching lug 34 and a latching receptacle 35 are integrally formed with the housing parts 31 and 32.
- the housing 30 encloses a spring 6, which is formed as a wound strip spring and is fixed with one end 60 to a bolt 50 which is inserted with a pin 51 in an opening 53 on the arm 3.
- the bolt 50 has a widened head portion 52, which secures the end 60 of the spring 6 in the longitudinal direction of the bolt 50.
- the spring 6 has at an opposite inner end 64 a cuboid contour in order to enclose a nut 18.
- the nut 18 is fixed on the axis 7 and, as in the preceding embodiments, ensures a bias of the arms 20 and 21 to each other, which are biased in the axial direction to each other.
- On the nut 18 a parallel to the longitudinal direction of the axis 7 extending receptacle 19 is formed, which is groove-shaped and serves to fix a securing element 15.
- the securing element 15 engages with a web 16 in the groove-shaped receptacle 19 and is enclosed by the end 64 of the spring 6. Further, the securing element 15 has two arms 17 which engage around the lever 2, so that the nut 18 and the lever 2 form a rotationally fixed unit. As a result, a relative movement between the nut 18 and the lever 2 is prevented.
- FIG. 12 the pivot fitting is shown with the nut 18 and the securing element 15 in the mounted position.
- the arms 17 surround the lever 2 U-shaped, and the web 16 is inserted into the receptacle 19.
- the housing 30 of the swivel fitting is shown in detail.
- the housing 30 has a first housing part 31 and a second housing part 32, which are connected via a film hinge 33 hinged together. It is also possible for the housing parts 31 and 32 to be plugged in or otherwise connected to one another.
- the housing parts 31 and 32 are cup-shaped and are penetrated by the bolt 50, wherein for this purpose in the housing parts 31 and 32 in the region of the separation plane of the housing parts 31 and 32 lying through opening 38 is formed.
- a through opening 36 is formed for the bolt 50, which is provided on a plug-in channel 37.
- the insertion channel 37 serves to carry out the lever 3, wherein first the housing part 31 is attached to the lever 3, then to pivot after fixing the housing by inserting the bolt 50, the housing part 32 and the latching connection with the locking lug 34 and the locking receptacle 35th to fix.
- FIG. 14 and 15 is shown a further embodiment of a swivel fitting without housing.
- the swivel fitting comprises levers 2 and 3, which are rotatably mounted about an axis 7 and correspond in structure to the preceding embodiments.
- a modified nut 18 ' is screwed, which has a substantially square outer contour and on which a securing element 15' is attached.
- the securing element 15 ' comprises a ring with a square receptacle 16' for non-rotatable connection of the nut 18 'with the lever 2.
- the securing element 15' has on a radially projecting arm two arms 17 which engage around the lever 2 U-shaped and thus arrange the lever 2 relative to the nut 18 'rotatably.
- FIGS. 9 to 13 is the swivel fitting of Figures 14 and 15 shown with the housing 30, which is for the embodiment of FIGS. 9 to 13 has already been described in detail.
- the housing is attached to the lever 3 and then secured by the bolt 50.
- the widened head portion 52 additionally helps the two housing halves 31 and 32 axially secure and thus prevent the tilting of the spring 6. Subsequently, the housing part 32 can be pivoted about the film hinge 33 in order to arrange the spring 6 protected on the nut 18 '.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Pivots And Pivotal Connections (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015113749.6A DE102015113749A1 (de) | 2015-08-19 | 2015-08-19 | Schwenkbeschlag und Polstermöbel |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3132719A1 true EP3132719A1 (fr) | 2017-02-22 |
Family
ID=56740894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16184493.1A Withdrawn EP3132719A1 (fr) | 2015-08-19 | 2016-08-17 | Ferrure pivotante et meuble rembourre |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3132719A1 (fr) |
DE (1) | DE102015113749A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111955990A (zh) * | 2019-05-20 | 2020-11-20 | 海蒂诗弗兰克有限及两合公司 | 旋转配件和家具 |
CN114007466A (zh) * | 2019-07-16 | 2022-02-01 | 海蒂诗弗兰克有限及两合公司 | 家具和用于组装家具的方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017110249A1 (de) | 2017-05-11 | 2018-11-15 | Hettich Franke Gmbh & Co. Kg | Schwenkbeschlag und Möbel |
DE102021006235A1 (de) | 2021-12-17 | 2023-06-22 | Novatus GmbH | Die vorliegende Erfindung ist ein Schwenkbeschlag für Sitz- und/ oder Liegemöbel sowie deren Verwendung. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2389839A1 (fr) | 2010-05-26 | 2011-11-30 | Koyo Giken Kabushiki Kaisha | Charnière à réglage d'angle |
DE102011102442A1 (de) * | 2011-05-24 | 2012-11-29 | Kemmann & Koch Gmbh & Co. Kg | Gelenkbeschlag insbesondere für Möbel |
EP2842460A2 (fr) * | 2013-08-28 | 2015-03-04 | Stalmot & Wolmet Spólka Akcyina | Joint de meuble, notamment pour meubles capitonnés |
JP2015053970A (ja) * | 2013-09-10 | 2015-03-23 | 株式会社ヒカリ | 角度調節器 |
-
2015
- 2015-08-19 DE DE102015113749.6A patent/DE102015113749A1/de not_active Withdrawn
-
2016
- 2016-08-17 EP EP16184493.1A patent/EP3132719A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2389839A1 (fr) | 2010-05-26 | 2011-11-30 | Koyo Giken Kabushiki Kaisha | Charnière à réglage d'angle |
DE102011102442A1 (de) * | 2011-05-24 | 2012-11-29 | Kemmann & Koch Gmbh & Co. Kg | Gelenkbeschlag insbesondere für Möbel |
EP2842460A2 (fr) * | 2013-08-28 | 2015-03-04 | Stalmot & Wolmet Spólka Akcyina | Joint de meuble, notamment pour meubles capitonnés |
JP2015053970A (ja) * | 2013-09-10 | 2015-03-23 | 株式会社ヒカリ | 角度調節器 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111955990A (zh) * | 2019-05-20 | 2020-11-20 | 海蒂诗弗兰克有限及两合公司 | 旋转配件和家具 |
EP3741255A1 (fr) * | 2019-05-20 | 2020-11-25 | Hettich Franke GmbH & Co. KG | Ferrure pivotante et meuble |
CN114007466A (zh) * | 2019-07-16 | 2022-02-01 | 海蒂诗弗兰克有限及两合公司 | 家具和用于组装家具的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102015113749A1 (de) | 2017-02-23 |
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