EP3087874B1 - Stuffed chair with one or more seats, in particular armchair or couch - Google Patents
Stuffed chair with one or more seats, in particular armchair or couch Download PDFInfo
- Publication number
- EP3087874B1 EP3087874B1 EP16167371.0A EP16167371A EP3087874B1 EP 3087874 B1 EP3087874 B1 EP 3087874B1 EP 16167371 A EP16167371 A EP 16167371A EP 3087874 B1 EP3087874 B1 EP 3087874B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chair according
- stuffed
- actuating
- stuffed chair
- proximity
- 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.)
- Active
Links
- 239000004744 fabric Substances 0.000 claims description 4
- 239000004753 textile Substances 0.000 claims description 3
- 208000032365 Electromagnetic interference Diseases 0.000 claims description 2
- 239000010985 leather Substances 0.000 claims description 2
- 239000002649 leather substitute Substances 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/008—Use of remote controls
Definitions
- the invention relates to a stuffed chair with one or more seats, in particular an armchair or a couch.
- stuffed chairs which comprise a seat for one or more people; a backrest; a fixed part; and at least one mobile part (e.g. a footrest, a headrest, and/or a massaging device), which is configured to move relative to the fixed part due to the action of an actuating system.
- a mobile part e.g. a footrest, a headrest, and/or a massaging device
- the actuating system comprises an actuating device (for example an actuator cylinder or an electric motor) for the mobile part; and a control device to selectively control the operation of the actuating system itself.
- an actuating device for example an actuator cylinder or an electric motor
- a control device to selectively control the operation of the actuating system itself.
- the control device usually comprises a containing box, which is mounted inside a stuffing of the chair; a first capacitive proximity sensor to control the movement of the mobile part from a rest position to an operating position; and a second capacitive proximity sensor to control the movement of the mobile part from its operating position to its rest position.
- Each capacitive proximity sensor comprises two armatures, which are housed inside the containing casing; one of them is connected, by means of a connection cable provided with a plug, to a sensitive terminal fitted on the outside of a cover of the stuffing of the chair, so as to allow the user to activate the capacitive proximity sensor.
- control device and the actuating device are connected to one another by means of an electric cable.
- each capacity proximity sensor which is generated by the proximity of the user to the relative sensitive terminal, is transformed by the control device into an electric signal controlling the operation of the actuating device.
- connection cables used to connect the sensitive terminals and the relative armatures to one another normally are of two types.
- connection cables are unipolar, which means that they are relatively cheap, but they are also sensitive both to electrostatic charges normally present in the textiles of chairs and couches and to the magnetic fields normally present in the room and generated by radio links, mobile phones and/or wi-fi as well as bluetooth devices.
- the sensitivity to the aforesaid interferences can cause operating faults to arise in the actuating device and/or the actuating system to break.
- connection cables are shielded cables, which are not affected by the drawbacks that are typical for unipolar cables, but are relatively expensive and have a parasitic capacitance that is proportional to their length.
- the threshold values of the control device must be adjusted each time based on the length of the shielded connection cables.
- European Patent Application EP 2745743 A1 discloses a furniture control for the installation into an electrically adjustable piece of seating furniture comprising a control housing that contains control components for activating motors of the piece of seating furniture and features a recess into which an operating part can be inserted, the operating part and a sensor for detecting whether the operating part is inserted into the control housing.
- the operating part features a flat sensor module with a touch-sensitive surface.
- the operating part is designed for detecting a respective position-dependent touch actuation of the surface of the sensor module and for generating a respective actuation signal for the control components based on a detected touch actuation.
- the operating part is furthermore designed for generating a first number of different actuation signals for the components when the operating part is inserted into the control housing and for generating a second number of different actuation signals for the control components when the operating part is not inserted into the control housing, wherein the second number is greater than the first number.
- the object of the invention is to provide a stuffed chair with one or more seats, in particular an armchair or a couch, which is designed to eliminate the aforementioned drawbacks in a straightforward, relatively low-cost manner.
- the invention provides a stuffed chair with one or more seats, in particular an armchair or a couch, according to the appended claims.
- number 1 indicates, as a whole, a stuffed armchair having a seat 2, a backrest 3, and a pair of lateral armrests 4.
- the stuffed armchair 1 can be removed and replaced with a stuffed couch with multiple seats.
- the seat 2 comprises a stuffing 5 and a cover 6 for the stuffing 5 itself, the cover 6 being made of a textile preferably comprising fabric, cloth, leather or artificial leather.
- stuffed chair 1 also comprises a stuffing and a cover for the stuffing.
- the stuffed chair 1 comprises, especially, a front footrest 7, which is mobile relative to a fixed part 8 of the stuffed chair 1 between a lowered rest position ( figure 1 ) and a raised operating position (not shown).
- the stuffed chair 1 can comprise further mobile parts, such as, for example, a headrest and/or a massaging device.
- the footrest 7 is moved between its lowered rest position and its raised operating position by an actuating system 9 comprising an actuating device, in particular an actuator cylinder 10, which comprises an electric motor 10a and one or more relays 10b to control the motor 10a, and a control device 11 to selectively control the operation of the actuator cylinder 10.
- an actuating system 9 comprising an actuating device, in particular an actuator cylinder 10, which comprises an electric motor 10a and one or more relays 10b to control the motor 10a, and a control device 11 to selectively control the operation of the actuator cylinder 10.
- the actuator cylinder 10 is connected to the fixed part 8 and has an output rod 12, which is connected to the footrest 7.
- the control device 11 comprises a containing shell 13 with a flat shape, which is mounted between the stuffing 5 and the cover 6, is made of an electrically insulating plastic material, and comprises two plates 14 coupled to one another.
- the shell 13 has an elongated rectangular shape with two semicircular ends and houses, on the inside, a printed circuit 15, which is mounted between the two plates 14 and substantially has the same shape as the shell 13.
- the printed circuit 15 is provided, in the area of a central portion of its, with a plurality of electronic components 16, is connected to the actuator cylinder 10, and in particular to the relay 10b, by means of an electric cable 17, and has a connector 18 for the programming of the control device 11.
- the printed circuit 15 carries, integrated in it, two capacitive proximity sensors 19, each of which is obtained in the area of one of the semicircular ends of the printed circuit 15 and comprises two metal armatures 20, which are concentric to one another and obtained on the printed circuit 15 itself.
- the electronic components 16 of the printed circuit 15 comprise a microcontroller 16a, which is designed to read electric signals provided by the sensors 19 and generated by changes in the capacitance of the armatures 20 and to transform the signals provided by the sensors 19 into corresponding electric signals controlling the relays 10b, namely signals that are robust to electrostatic and electromagnetic interferences.
- the microcontroller 16a is designed to detect possible wrong signals provided by the sensors 19, i.e. signals that cannot be associated with the proximity of the user's body, so as to avoid giving false orders to the relays 10b.
- the connector 18 allows the microcontroller 16a to be programmed.
- the proximity of the user's body, for example a finger, to each one of the sensors 19 causes a change in the capacitance of the relative armatures 20, which, in turn, generates a respective electric signal, which is transformed by the control device 11 into a corresponding electric signal that is robust to interferences, so as to control the operation of the actuator cylinder 10.
- the two sensors 19 control - one - the movement of the footrest 7 from its lowered rest position to its raised operating position and - the other one - the movement of the footrest 7 from its raised operating position to its lowered rest position.
- the system 9 comprises, for each sensor 19, a respective identifying element 21, which is mounted on the cover 6 in the area of the sensor 19.
- the element 21 is pin-shaped and comprises a circular head 22, which is mounted on the outside of the cover 6; a threaded shank 23 extending through the cover 6 and the shell 13, inside a through sleeve 24 defined by the plates 14 and coaxial to the armatures 20; and a locking nut 25, which is screwed on the shank 23 to axially lock the element 21 on the shell 13.
- the system 9 has some advantages, which are mainly due to the fact of being relatively simple, cheap and compact.
- the actuating system 9 does not use any unipolar or shielded connection cables, which are normally used in current actuating systems to connect sensitive terminals arranged on the outside of the cover of the chair to capacitive sensors arranged on the inside of the stuffing of the chair, thanks to the control device 11 arranged between the stuffing 6 and the cover 6 and designed to transform the electric signal provided by its own capacitive sensors 19 into interference-robust control signals; therefore, the actuating system 9 is not affected by the problems caused by the aforesaid cables.
- the system 9 can easily be mounted between the stuffing 5 and the cover 6, can be manufactured in one single model for all applications, regardless of the necessary length of the connection cable 17 between the control device 11 and the actuator cylinder 10, and has a relatively high degree of reliability.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Massaging Devices (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
- The invention relates to a stuffed chair with one or more seats, in particular an armchair or a couch.
- In the interior design field, stuffed chairs are known, which comprise a seat for one or more people; a backrest; a fixed part; and at least one mobile part (e.g. a footrest, a headrest, and/or a massaging device), which is configured to move relative to the fixed part due to the action of an actuating system.
- Generally speaking, the actuating system comprises an actuating device (for example an actuator cylinder or an electric motor) for the mobile part; and a control device to selectively control the operation of the actuating system itself.
- The control device usually comprises a containing box, which is mounted inside a stuffing of the chair; a first capacitive proximity sensor to control the movement of the mobile part from a rest position to an operating position; and a second capacitive proximity sensor to control the movement of the mobile part from its operating position to its rest position.
- Each capacitive proximity sensor comprises two armatures, which are housed inside the containing casing; one of them is connected, by means of a connection cable provided with a plug, to a sensitive terminal fitted on the outside of a cover of the stuffing of the chair, so as to allow the user to activate the capacitive proximity sensor.
- The control device and the actuating device are connected to one another by means of an electric cable.
- In use, the change in capacitance of each capacity proximity sensor, which is generated by the proximity of the user to the relative sensitive terminal, is transformed by the control device into an electric signal controlling the operation of the actuating device.
- The connection cables used to connect the sensitive terminals and the relative armatures to one another normally are of two types.
- According to a first type, the connection cables are unipolar, which means that they are relatively cheap, but they are also sensitive both to electrostatic charges normally present in the textiles of chairs and couches and to the magnetic fields normally present in the room and generated by radio links, mobile phones and/or wi-fi as well as bluetooth devices. As a consequence, the sensitivity to the aforesaid interferences can cause operating faults to arise in the actuating device and/or the actuating system to break.
- According to the other one of the two types, the connection cables are shielded cables, which are not affected by the drawbacks that are typical for unipolar cables, but are relatively expensive and have a parasitic capacitance that is proportional to their length. As a consequence, since the change in capacitance of the capacitive proximity sensors detected by the control device is influenced by the length of the connection cables, the threshold values of the control device must be adjusted each time based on the length of the shielded connection cables. European Patent Application
EP 2745743 A1 discloses a furniture control for the installation into an electrically adjustable piece of seating furniture comprising a control housing that contains control components for activating motors of the piece of seating furniture and features a recess into which an operating part can be inserted, the operating part and a sensor for detecting whether the operating part is inserted into the control housing. The operating part features a flat sensor module with a touch-sensitive surface. The operating part is designed for detecting a respective position-dependent touch actuation of the surface of the sensor module and for generating a respective actuation signal for the control components based on a detected touch actuation. The operating part is furthermore designed for generating a first number of different actuation signals for the components when the operating part is inserted into the control housing and for generating a second number of different actuation signals for the control components when the operating part is not inserted into the control housing, wherein the second number is greater than the first number. The object of the invention is to provide a stuffed chair with one or more seats, in particular an armchair or a couch, which is designed to eliminate the aforementioned drawbacks in a straightforward, relatively low-cost manner. - The invention provides a stuffed chair with one or more seats, in particular an armchair or a couch, according to the appended claims.
- The invention will now be described with reference to the accompanying drawings, which show a non-limiting embodiment thereof, wherein:
-
figure 1 is a schematic perspective view of a preferred embodiment of the stuffed chair according to the invention; -
figure 2 is a schematic perspective view of a first detail of the stuffed chair offigure 1 ; -
figure 3 is a schematic exploded view of a second detail of the stuffed chair offigure 1 ; -
figure 4 is a schematic perspective view of a detail offigure 3 ; and -
figure 5 is a schematic plan view of a detail offigure 4 . - With reference to
figures 1 and3 ,number 1 indicates, as a whole, a stuffed armchair having aseat 2, abackrest 3, and a pair oflateral armrests 4. - According to a variant that is not shown herein, the stuffed
armchair 1 can be removed and replaced with a stuffed couch with multiple seats. - The
seat 2 comprises a stuffing 5 and acover 6 for the stuffing 5 itself, thecover 6 being made of a textile preferably comprising fabric, cloth, leather or artificial leather. - Obviously, further parts of the stuffed
chair 1 also comprises a stuffing and a cover for the stuffing. - The stuffed
chair 1 comprises, especially, afront footrest 7, which is mobile relative to afixed part 8 of the stuffedchair 1 between a lowered rest position (figure 1 ) and a raised operating position (not shown). - Obviously, the stuffed
chair 1 can comprise further mobile parts, such as, for example, a headrest and/or a massaging device. - According to
figures 2 and 3 , thefootrest 7 is moved between its lowered rest position and its raised operating position by an actuatingsystem 9 comprising an actuating device, in particular anactuator cylinder 10, which comprises anelectric motor 10a and one ormore relays 10b to control themotor 10a, and acontrol device 11 to selectively control the operation of theactuator cylinder 10. - The
actuator cylinder 10 is connected to thefixed part 8 and has anoutput rod 12, which is connected to thefootrest 7. - The
control device 11 comprises a containingshell 13 with a flat shape, which is mounted between thestuffing 5 and thecover 6, is made of an electrically insulating plastic material, and comprises twoplates 14 coupled to one another. - With reference to
figures 4 and 5 , theshell 13 has an elongated rectangular shape with two semicircular ends and houses, on the inside, a printedcircuit 15, which is mounted between the twoplates 14 and substantially has the same shape as theshell 13. - The printed
circuit 15 is provided, in the area of a central portion of its, with a plurality ofelectronic components 16, is connected to theactuator cylinder 10, and in particular to therelay 10b, by means of anelectric cable 17, and has aconnector 18 for the programming of thecontrol device 11. - The printed
circuit 15 carries, integrated in it, twocapacitive proximity sensors 19, each of which is obtained in the area of one of the semicircular ends of the printedcircuit 15 and comprises twometal armatures 20, which are concentric to one another and obtained on the printedcircuit 15 itself. - The
electronic components 16 of theprinted circuit 15 comprise amicrocontroller 16a, which is designed to read electric signals provided by thesensors 19 and generated by changes in the capacitance of thearmatures 20 and to transform the signals provided by thesensors 19 into corresponding electric signals controlling therelays 10b, namely signals that are robust to electrostatic and electromagnetic interferences. In particular, themicrocontroller 16a is designed to detect possible wrong signals provided by thesensors 19, i.e. signals that cannot be associated with the proximity of the user's body, so as to avoid giving false orders to therelays 10b. Theconnector 18 allows themicrocontroller 16a to be programmed. - In use, the proximity of the user's body, for example a finger, to each one of the
sensors 19 causes a change in the capacitance of therelative armatures 20, which, in turn, generates a respective electric signal, which is transformed by thecontrol device 11 into a corresponding electric signal that is robust to interferences, so as to control the operation of theactuator cylinder 10. - The two
sensors 19 control - one - the movement of thefootrest 7 from its lowered rest position to its raised operating position and - the other one - the movement of thefootrest 7 from its raised operating position to its lowered rest position. - In order to allow the user to identify the position of the two
sensors 19 and, therefore, activate them, thesystem 9 comprises, for eachsensor 19, a respective identifyingelement 21, which is mounted on thecover 6 in the area of thesensor 19. - The
element 21 is pin-shaped and comprises acircular head 22, which is mounted on the outside of thecover 6; a threadedshank 23 extending through thecover 6 and theshell 13, inside athrough sleeve 24 defined by theplates 14 and coaxial to thearmatures 20; and alocking nut 25, which is screwed on theshank 23 to axially lock theelement 21 on theshell 13. - The
system 9 has some advantages, which are mainly due to the fact of being relatively simple, cheap and compact. - In particular, the actuating
system 9 does not use any unipolar or shielded connection cables, which are normally used in current actuating systems to connect sensitive terminals arranged on the outside of the cover of the chair to capacitive sensors arranged on the inside of the stuffing of the chair, thanks to thecontrol device 11 arranged between thestuffing 6 and thecover 6 and designed to transform the electric signal provided by its owncapacitive sensors 19 into interference-robust control signals; therefore, the actuatingsystem 9 is not affected by the problems caused by the aforesaid cables. - As a consequence, the
system 9 can easily be mounted between thestuffing 5 and thecover 6, can be manufactured in one single model for all applications, regardless of the necessary length of theconnection cable 17 between thecontrol device 11 and theactuator cylinder 10, and has a relatively high degree of reliability.
Claims (13)
- A stuffed chair with one or more seats, in particular armchair or couch, comprising a seat (2); a backrest (3); a fixed part (8); at least one mobile part (7); and a actuating system (9) to move the mobile part (7) relative to the fixed part (8); the actuating system (9) comprising an actuating device (10) for the mobile part (7); and a control device (11) to selectively control the operation of the actuating device (10); and being characterized in that the control device (11) is mounted between a stuffing (5) and a cover (6) for the stuffing (5) itself, which is made of a textile comprising fabric, cloth, leather or artificial leather, and in that it comprises a printed circuit (15) integrating at least one proximity actuating element (19).
- A stuffed chair according to claim 1, wherein each proximity actuating element (19) is defined by a capacitive proximity sensor (19).
- A stuffed chair according to claim 2, wherein the capacitive proximity sensor (19) comprises two armatures (20) obtained on the printed circuit (15) and preferably with a circular shape.
- A stuffed chair according to any of the previous claims, wherein the control device (11) comprises, furthermore, a containing shell (13), which is made of an electrically insulating material and holds, on the inside, the printed circuit (15).
- A stuffed chair according to any of the previous claims and comprising, furthermore, for each proximity actuating element (19), a respective identifying element (21), which is arranged on the cover (6) of the stuffed chair in the area of the proximity actuating element (19) itself.
- A stuffed chair according to claim 5, when it depends on claim 4, wherein each identifying element (21) extends through - and is fixed to - said containing shell (13).
- A stuffed chair according to claim 5 or 6, when depending on claim 4, wherein said containing shell (13) comprises two plates (14) coupled to one another and at least one through sleeve (24) defined by the plates (14), and said identifying element (21) comprises a head (22) mounted on the outside of the cover (6), a threaded shank (23) extending through the cover (6) and the containing shell (13), on the inside of the sleeve (24), and a locking nut (25), which is screwed on the shank (23) so as to axially lock the identifying element (21) on the containing shell (13).
- A stuffed chair according to claims 3 and 7, wherein said armatures (20) are concentric to one another and said at least one sleeve (24) is coaxial to the armatures (20).
- A stuffed chair according to any of the previous claims, wherein the printed circuit (15) integrates a first proximity actuating element (19) to control the movement of the mobile part (7) from a rest position to an operating position, and a second proximity actuating element (19) to control the movement of the mobile part (7) from the operating position to the rest position.
- A stuffed chair according to any of the previous claims and comprising, furthermore, an electric cable (17) to connect the actuating device (10) and the control device (11) to one another.
- A stuffed chair according to any of the previous claims, wherein the control device (11) comprises, furthermore, a connector (18) for the programming of the printed circuit (15).
- A stuffed chair according to any of the previous claims, wherein said printed circuit (15) comprises electronic control means (16), which are designed to read a first signal provided by said proximity actuating element (19) and to transform the first signal into a corresponding second signal robust to electrostatic and electromagnetic interferences, which is capable of controlling said actuating device (10).
- A stuffed chair according to claim 12, wherein said actuating device (10) comprises an electric motor (10a) and at leas one relative switch device (10b), preferably consisting of a relay; said second signal being designed to control the switch device (10b).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16167371T PL3087874T3 (en) | 2015-04-27 | 2016-04-27 | Stuffed chair with one or more seats, in particular armchair or couch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO20150209 | 2015-04-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3087874A1 EP3087874A1 (en) | 2016-11-02 |
EP3087874B1 true EP3087874B1 (en) | 2018-03-21 |
Family
ID=53673142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16167371.0A Active EP3087874B1 (en) | 2015-04-27 | 2016-04-27 | Stuffed chair with one or more seats, in particular armchair or couch |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3087874B1 (en) |
ES (1) | ES2668657T3 (en) |
PL (1) | PL3087874T3 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2384173B (en) * | 2001-11-22 | 2005-05-11 | Smartasystems Ltd | A power adjustable chair with coded handset. |
CN103429212A (en) * | 2010-11-01 | 2013-12-04 | 马丁·B·罗尔斯-米汉 | Adjustable bed controls |
US9131783B2 (en) * | 2011-10-31 | 2015-09-15 | L&P Property Management Company | Removable control mechanism for use in upholstered furniture |
DE102012112905A1 (en) * | 2012-12-21 | 2014-06-26 | Logicdata Electronic & Software Entwicklungs Gmbh | Furniture control and seating |
-
2016
- 2016-04-27 PL PL16167371T patent/PL3087874T3/en unknown
- 2016-04-27 ES ES16167371.0T patent/ES2668657T3/en active Active
- 2016-04-27 EP EP16167371.0A patent/EP3087874B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
ES2668657T3 (en) | 2018-05-21 |
EP3087874A1 (en) | 2016-11-02 |
PL3087874T3 (en) | 2018-08-31 |
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