Classifications

• • 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
  • A47C7/40—Support for the head or the back for the back
  • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
• • 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
• • 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
  • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
  • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
• • 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
  • A47C7/40—Support for the head or the back for the back
• • 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
  • A47C7/40—Support for the head or the back for the back
  • A47C7/402—Support for the head or the back for the back adjustable in height
• • 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
  • A47C7/40—Support for the head or the back for the back
  • A47C7/48—Support for the head or the back for the back of freely-rotatable type

Definitions

• the present invention relates to a chair according to the preamble of claim 1 and an actuating method therefor.
• a chair generally includes a base frame, a seat portion supported thereon with a seating surface, and a backrest disposed at least approximately perpendicular to the seating surface in the region of an edge of the seating area and including a bearing surface for the back of a person sitting on the chair.
• the aim of the invention is to provide a chair with a backrest, in which a mobility in accordance with movements of a person sitting on the chair is realized in a simple manner to increase both the convenience, but also the support function.
• Such a chair includes a base frame, a seat part supported thereon with a seat surface and a backrest which is arranged in the region of an edge of the seat part at least approximately perpendicular to the seat surface and contains a contact surface for the back of a person sitting on the chair, the chair characterized in that the backrest is designed so that it can be pivoted sideways about an at least approximately perpendicular to the contact surface of the backrest pivot axis.
• the pivot axis extends through the contact surface and at an angle in the range of 60 ° to 120 °, preferably 70 ° to 110 °, particularly preferably 80 ° to 100 °, to the perpendicular to the ground on the chair is standing, the pivot axis is arranged in the range of 0 cm to about 30 cm, preferably about 2 cm to about 15 cm, more preferably about 5 cm to about 7 cm, above the seat, - the pivot axis may be in a predetermined circumference relative to the seat part and / or the backrest to be adjustable in height, there are rear part means are provided, by which is urged in a central normal position Rue ⁇ backrest, wherein the rear part of bodies have preferably linear or maximal ⁇ sive force characteristics and / or a predetermined or predeterminable restoring force, there are locking means provided, which hold the backrest in a central normal position and a lateral
• adjustable pivoting limits are provided for the lateral pivoting movement of the backrest, and the backrest can be assigned armrests, which pivot laterally together with the backrest.
• FIG. 1 is a schematic side view illustrating a first exporting ⁇ approximately example of a chair
• Fig. 2 is a schematic rear view illustrating the chair according to the first embodiment of FIG. 1 with Rue ⁇ backrest in the central normal position and in broken lines in lateral pivoting positions,
• FIG. 3 shows a schematic side view of a second exemplary embodiment of a chair
• FIG. 4 shows, in a schematic rear view, the chair according to the second exemplary embodiment from FIG. 3 with the backrest in the central normal position and in dashed lines in lateral pivoting positions.
• FIGS. 1 and 2 a first embodiment of a chair 1 is shown schematically in a side view and in a rear view, respectively.
• the chair 1 of this first embodiment is an office swivel chair.
• the chair 1 includes a base 2, which in a conventional manner for office swivel chairs a turnstile 3 with five arms 4, which assume a common holding axis 5 and at their free ends 6 each have a 360 ° swivel roller 7.
• a seat part 8 with a seat surface 9 is rotatably supported on the support shaft 5 of the undercarriage 2 at the upper end.
• the nature of this support may have any known configuration and in particular Ver include adjusting and tilting devices and locking and locking devices for the seat part 8.
• a backrest holding device H is attached to the support shaft 5 in the region of the upper end thereof to which the seat part 8 is attached via the support (not shown) so as to be unitary with the seat part 8 on the support shaft 5 rotates.
• the backrest holding device H has in this first embodiment generally an L-shape with two mutually angled leg parts in the form of a Untergestellbefest onlysschenkels 10 and a Lehnenbefest onlysschenkels 11.
• the Untergestellbefest onlysschenkel 10 of the backrest support H is attached to the support shaft 5 in the region of the upper end, at which the Seat part 8 is mounted on the support (not shown), so that the backrest holding device H together with the seat part 8 and its support (not shown) rotates on the support shaft 5.
• the backrest holding device H could also be attached to the seat part 8 or its support (not shown).
• the Untergestellbefest onlysschenkel 10 of the backrest support H has such a length that the standing on a flat floor chair 1 angled upwardly projecting from him backrest leg 11 outside of an edge 12 of the seat ⁇ part 8 projects over the seat surface 9 upwards.
• a backrest 14 is attached via a pivot axis 13, which is arranged at least approximately perpendicular to the seat surface 9 in the region of the edge 12 of the seat part 8 and a contact surface 15 for the back (not shown) one on the chair 1 sitting person (not shown) contains.
• the backrest 14 is attached to the backrest attachment leg 11 via the pivoting Axis 13 is designed so that it is laterally pivotable about the contact surface 15 of the backrest 14 at least approximately perpendicular pivot axis 13.
• both the seat 9 and the abutment surface 15 need not be flat, flat, uncontoured surfaces for the back. These surfaces may already have shapes adapted to the buttocks and thighs or to the backs of a person using the chair 9 because of the shapes of the seat part 8 and the backrest 14, but preferably additionally by corresponding upholstery.
• this direction refers to an area in the point for which the whilsrelati ⁇ on is specified , is representative of the function of the respective area.
• the present invention ie the design of a chair with a pivot axis for the backrest, so that the latter can be pivoted laterally, can be combined with all embodiments for a pivoting or oscillating movement of the Backrest in forward and backward direction.
• the backrest attachment leg 11 of the backrest support device H may be formed as a movable back bar, which allows a forward and backward movement of the backrest, such as a recline from a normal position to the rear with a defi ⁇ niertem opening angle.
• the chair 1 of the present invention is the pivotal arrangement of the backrest 14 on the pivot axis 13, whereby a back and forth movement is allowed to the right and left, when a person sitting on the chair 1 person is leaning with his back to the backrest , As a result, the person sitting on the chair 1 person is supported even with sideways movements with the back on the backrest 14 and it is avoided that in such sideways movements of the back to the rear unsupported is, the back twisted and curves backwards and the edge of the backrest 14 is pressed into the back.
• the reset devices preferably have linear or progressive force characteristics, which makes it possible to adapt to specific application requirements and individual users.
• the postssilein ⁇ directions have a predetermined or predetermined restoring force on ⁇ , which can be realized, for example, when using a bending bar made of spring steel by adjusting the effective length.
• the rear part devices are such that when the backrest is pivoted but unloaded, a damped return of the backrest to the normal position takes place. By way of example, it can also be regulated via the restoring devices how far and how light or strong the backrest 14 can turn about the pivot axis 13 to the right or left.
• locking devices may also be provided, which hold the backrest 14 in particular in the central normal position (shown in FIG. 2 with a solid line) and lateral Verschwen ⁇ ken the backrest 14 only from a predetermined or allow specified adjustment force. This can be avoided that the backrest 14 participates in such sideways movements even with small slight sideways movements ei ⁇ ner sitting on the chair 1 person. Instead, increased stability and support radio ⁇ tion for the back of the person sitting on the chair one person is achieved with slight lateral movements.
• Locking means Kgs ⁇ NEN preferably have an individually controlled release force and / or a pivotal positions of the backrest 14 see superiors or be adjustable.
• Yet another advantageous embodiment consists in particular adjustable pivot limits (not shown) for the lateral pivoting movement of the backrest 14.
• adjustable pivot limits for the lateral pivoting movement of the backrest 14.
• Swivel axis 13 also be anchored, for example, in the seat part 8.
• the pivot axis is arranged in the range from 0 cm to approximately 30 cm, preferably approximately 2 cm to approximately 15 cm, particularly preferably approximately 5 cm to approximately 7 cm, above the seat surface.
• the adjustability of the vertical or HOE henposition of pivot axis 13 and / or back 14 may for example be by a Schnappmechanissmus, a lockable screening, a magnet or a friction member for position fixing of the pivot axis 13 and / or the backrest 14 in a realized by several Hö ⁇ henpositionen ,
• a further advantageous embodiment is that the backrest 14 armrests (not shown) are assigned, which pivot laterally together with the backrest 14. This is achieved as an advantage that desired / existing armrests in the sideways movement of the person sitting on the chair 1 person are not in the way and press, for example, in the side of this person, but as it were “dive”.
• the connection of armrests to the backrest 14 can also be switched off, switched or re-plugged to give the user the opportunity to "loiter” with lateral pivoting of the backrest 14 in the chair while using the standing armrest as an investment.
• FIGS. 3 and 4 a second embodiment of a chair 1 is shown schematically in a side view and in a rear view, respectively.
• the chair 1 of this second embodiment is a - compared to the mobile, rotatable and forward / backward swiveling office chair - rigid visitor, conference or dining chair or the like., which can also be designed as a so-called "cantilever" .
• the same or similar or the same or similar acting parts are each provided with the same reference numerals. Description will be made only to the aspects in respect of which the second embodiment differs from the first execution ⁇ example.
• the base 2 may for example be a pipe construction according to the principle of the "cantilever" or any other construction.
• the Lehman is nenhaltevorcardi H attached, which approximately, for example as in the first exemplary generally an L-shape with two mutually ask ⁇ angled leg portions in the form of the subchassis fastening leg 10 and the backrest attachment leg 11 has.
• the underframe attachment leg 10 of the backrest support H is attached to the construction of chair legs 16 and support rods 17 extending therebetween and / or on the seat part 8.
• the underframe attachment leg 10 of the backrest holding device H has a length such that the standing on a flat floor chair 1 angled upwardly projecting from him Lehnenbefest Trentsschenkel 11 outside an edge 12 of the seat part 8 on the seat 9 upwardly projecting.
• the backrest 14 is attached to the backrest attachment leg 11 of the backrest holding device H via a pivot axis 13, which is arranged at least approximately perpendicularly to the seat surface 9 in the region of the edge 12 of the seat part 8 and the contact surface 15 for the back (not shown) Person sitting in chair 1 (not shown).
• the backrest 14 is designed by the attachment to the backrest attachment leg 11 via the pivot axis 13 so that it can be pivoted sideways around the contact surface 15 of the backrest 14 at least approximately perpendicular pivot axis 13.
• the pivot axis 13 is arranged relative to the contact surface 15 of the backrest 14 so that it passes through the contact surface and at an angle in the range of 60 ° to 120 ° to the vertical to the floor on which the chair 1 stands when the backrest 14 is in a normal position in which it is neither laterally pivoted about the pivot axis 13 nor adjusted by means of any existing back-tilt or oscillating devices forward or backward.
• the Lehnenhaltevorraum H can be formed in this second embodiment, as well as in the previously explained with reference to FIGS. 1 and 2 first embodiment even elastic, for example, from sufficiently strong spring steel to a compliance of the backrest 14 in relation to a seated on the chair 1 Person to realize reverse direction.
• the pivot axis 13 is arranged to seat the backrest 14 just above the seat height, i. the seat surface 9, relative to the base frame 2 and seat part 8 pivotally supports, so that a defined lateral swinging back and forth of the backrest 14 about the pivot axis 13 is made possible.
• Swivel joint are a piece of rubber or other elastic material, which is designed in particular by shaping and / or reinforcement with inserts so that a substantial possibility of movement only in the said lateral directions for the inventive pivoting of the backrest 14, or a spring steel element o. ⁇ ., Which then simultaneously the return means are functionally incorporated in the pivot axis 13.
• the pivot axis 13 may also be designed or provided with additional means that a counter force against pivoting of the backrest 14 can be adjusted so that allows adaptation to individual needs of specific users.
• Such means for setting a counterforce against the pivoting of the backrest 14 may be, for example rubber elements with adjustable by squeezing friction.
• the pivot axis 13 may be arranged in front of, in or behind the backrest 14.
• the pivot axis 13 may also be hidden in or under a pad (not designated) of the backrest 14.
• the backrest 14 has a maximum width of about 25 cm to about 40 cm, preferably about 28 cm to about 35 cm, in particular about 30 cm.

Landscapes

• Health & Medical Sciences (AREA)
• Dentistry (AREA)
• General Health & Medical Sciences (AREA)
• Chairs For Special Purposes, Such As Reclining Chairs (AREA)
• Chairs Characterized By Structure (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=51229782

Family Applications (1)

Country Status (5)

Families Citing this family (16)

Citations (2)

Family Cites Families (30)

• 2014
  • 2014-06-12 WO PCT/DE2014/000299 patent/WO2014198255A1/de active Application Filing
  • 2014-06-12 CN CN201480044204.3A patent/CN105592752A/zh active Pending
  • 2014-06-12 EP EP14744442.6A patent/EP3007590A1/de active Pending
  • 2014-06-12 MY MYPI2015002947A patent/MY187897A/en unknown
• 2015
  • 2015-12-10 US US14/965,192 patent/US10537181B2/en active Active

Patent Citations (2)

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