CN102245056B - Chair with separate but interconnecting lumbar and thoracic supports - Google Patents
Chair with separate but interconnecting lumbar and thoracic supports Download PDFInfo
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- CN102245056B CN102245056B CN2009801499739A CN200980149973A CN102245056B CN 102245056 B CN102245056 B CN 102245056B CN 2009801499739 A CN2009801499739 A CN 2009801499739A CN 200980149973 A CN200980149973 A CN 200980149973A CN 102245056 B CN102245056 B CN 102245056B
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- chest supporting
- chair
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- lordosis support
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- 208000007623 Lordosis Diseases 0.000 claims description 80
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- 230000037431 insertion Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000000038 chest Anatomy 0.000 description 70
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- 230000036506 anxiety Effects 0.000 description 4
- 230000001144 postural effect Effects 0.000 description 4
- 230000035807 sensation Effects 0.000 description 4
- 239000010985 leather Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 235000004443 Ricinus communis Nutrition 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
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- 210000003205 muscle Anatomy 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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Classifications
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- 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
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- 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
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The present invention relates to a chair with separate but interconnecting lumbar and thoracic supports. A back support is physically divided into a lumbar support and a thoracic support. The lumbar support is formed to be curvable, and the lumbar and thoracic supports are configured to be interconnecting. Thus, when a sitter tilts his/her upper or lower back backward for rest or tension relief, the lower back area of the sitter is comfortably brought into contact with and supported by the lumbar support with a backward tilt of a relatively large angle, and at the same time, the upper back area of the sitter is comfortably brought into contact with and supported by the thoracic support with a backward tilt of a relatively small angle. Therefore, the lumbar and thoracic supports share the task of comfortably supporting the lumbar vertebra and thoracic vertebra respectively. In addition, the chair has high posture stability without falling backward when a sitter tilts his/her upper and lower back far backward, and also has an elegant look.
Description
Technical field
The present invention relates to a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part.More specifically, the present invention relates to a kind of like this have Lordosis support of independence and interconnection system and the chair of chest supporting part, backrest wherein physically is divided into Lordosis support and chest supporting part, Lordosis support is formed flexible, and Lordosis support and chest supporting part are constructed to be interconnected with one another, so that recede the his/her upper back of the body or lower back in order to have a rest or when extenuating anxiety when seated person, the lower back zone of seated person cosily contacts Lordosis support, and by this Lordosis support with relative wide-angle recede support, simultaneously, the upper back of the body zone of seated person cosily contacts the chest supporting part, and is supported with relative low-angle receding by this chest supporting part.Therefore, Lordosis support and chest supporting part are born respectively the cosily task of supporting lumbar vertebra and thoracic vertebrae.In addition, this chair has high postural stability and can be in seated person excessively the recede his/her back of the body and lower does not unluckyly fall down backward.
Background technology
Recently, in the society of swashing the row competition, the use of computer has become the part of people's lives.Correspondingly, with compare in the past, the life style of modern's sitting on chair increases significantly, and is all living among student, examinee or the deskman of the life style of sitting on chair for a long time, and the people of complaint waist or spondylalgia is more and more.
These pain of waist or vertebra be by constant tension a few hours of taking one's seat, habitually incorrect sitting-pose, sleep or apply large strength etc. with the posture of mistake and cause under the posture of mistake and poor environment.
Correspondingly, integrally formed office chair at the backrest that is used for supporting lumbar vertebra and thoracic vertebrae, it adopts a kind of elastic construction of most of backrest that can recede to a certain extent, in order to loosen muscle on lumbar vertebrae and the thoracic vertebrae and the anxiety of ligament, and has a rest every now and then during taking one's seat for a long time.
Yet, integrally formed conventional chair at the elastic backrest that is used for supporting lumbar vertebra and thoracic vertebrae, because the vertebra of human body is from the side with the bending of S shape, so when the seated person his/her upper back of the body and lower unlucky that recedes, thoracic vertebrae is supported tightly by the first half of backrest, but lumbar vertebrae and the Lower Half that leans against are owing to the large space between them separates, so that lumbar vertebrae is not by back rest supports.Because this phenomenon becomes even worse near the boundary of lumbar vertebrae and thoracic vertebrae, so the problem that exists is that this is to cause the boundary between waist or waist and the back adversely to strain or the inconvenient main cause of seated person sensation.
Therefore, in order to overcome the above problems, fill the back of seated person and the space between the chair with auxiliary pad.Yet, because the body size of seated person and posture differ from one another, so be not easy the suitable auxiliary pad of selecting volume, shape and elasticity suitable.In addition, when auxiliary pad can not suitably mate seated person, can produce edge effect, perhaps opposite, the posture of seated person may variation, perhaps may worry to lose this posture.
In order to address the above problem, as shown in Figure 7, by 10-2005-0046953 number (open day: on May 19th, 2005 of the open communique of the Korean Patent of the present inventor's submission; The patent No.: 10-0583585) disclose a kind of chair 1 ' with Lordosis support, wherein backrest is divided into back support 4 and Lordosis support 3, the end of metal back frame 4a is connected to back support 4, extension 4e as the other end of back frame 4a is connected to flat spring 4f, and this flat spring extends to the multifunctional bearer 7 on the bottom that is positioned at a section 2.In addition, as shown in Figure 8, a kind of chair 1 with Lordosis support is disclosed "; wherein backrest is divided into Lordosis support 3 and to the back support 4 of downward-extension; the end of flat spring 4f is connected to the extension 4e of back support 4, and the other end of flat spring is connected to the multifunctional bearer 7 on the bottom that is positioned at a section 2.Yet, because above-mentioned conventional chair 1 ' or 1 " and the rigidity that has is so that form the Lordosis support 3 at present section 2 places and do not recede, so Lordosis support is not interconnected to back support 4.In addition, because backrest is to form uprightly and smoothly, so when the seated person upper back of the body and lower unlucky that excessively recedes, still can form the space between lumbar vertebrae and backrest, therefore it can not be satisfactory on ergonomics with regard to comfortableness.And, because the boundary between upright Lordosis support 3 and sweptback back support 4, it is large that angle of bend becomes, and still has following problem: this is to cause the boundary between waist or waist and the back adversely to strain or the inconvenient main cause of seated person sensation.
In addition, because conventional chair 1 ' or 1 " metal back frame 4a have the bar shape that is exposed to the outside, so the problem that exists is to lack in appearance aesthetic feeling.
Summary of the invention
Technical problem
Therefore, made in view of the above problems the present invention, and main purpose of the present invention provides a kind of the have Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part, wherein during taking one's seat with correct posture, lumbar vertebrae and thoracic vertebrae are supported significantly and tightly, and when the seated person his/her upper back of the body and lower unlucky that excessively recedes, lumbar vertebrae and thoracic vertebrae are supported tightly and can not produced the space between lumbar vertebrae and chairs, thereby have increased comfortableness.
The second purpose of the present invention provides a kind of like this have Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part: still have extraordinary postural stability at excessively the recede his/her back of the body and lower unlucky chair itself of seated person.
The 3rd purpose of the present invention provides a kind of like this have Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part: at the seated person his/her back of the body and lower unlucky that excessively recedes, chair can remain when standing and need not to open the seated person arm that is placed on the handrail, thereby comfortableness and light property have been increased.
The 4th purpose of the present invention provides a kind of like this have Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part: wherein the height of handrail can easily be regulated according to the height of seated person and use thereof, thereby has increased comfortableness and light property.
The 5th purpose of the present invention provides a kind of like this have Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part: wherein at thoracic vertebrae backward during the bending, the liner plate of synthetic resin can easily carry out bending.
The 6th purpose of the present invention provides a kind of like this have Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part: it can give a section the good sensation of taking one's seat.
Technical scheme
According to an aspect of the present invention, in order to realize the first purpose of the present invention and the second purpose, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, and this chair has: be divided into the chest supporting part of framework and the backrest of Lordosis support; Be formed on seat section on the Lordosis support by embedded frame, the framework of chest supporting part is connected to another framework or the carriage at the lower surface place that is positioned at a section with elasticity and tiltable mode; And handrail, wherein, embedded frame be divided into from seat section extend to Lordosis support Lower Half main frame and be positioned at least one auxiliary frame on the first half of Lordosis support, and a flat spring is attached on main frame independent of each other and the auxiliary frame from the rear.
According to another aspect of the present invention, in order to realize the first purpose of the present invention and the second purpose, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, wherein, the chest supporting part comprises for the minor face edge that contacts with the upper end of Lordosis support and the extension that forms through this minor face edge.
According to another aspect of the present invention, in order to realize the 3rd purpose of the present invention, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, wherein, one end of the framework of handrail is fixed to the bottom of the extension of chest supporting part by fixture, thereby handrail is by with the interlocking of chest supporting part and be raised during the chest supporting part recedes.
According to another aspect of the present invention, in order to realize the 4th purpose of the present invention, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, wherein, handrail comprises: be connected to the height bracket of arm seat, this height bracket has a plurality of fixed lobes; And framework, an end of this framework is inserted in the height bracket, and described framework has a plurality of grooves of the described fixed lobe insertion of confession at the place, a described end that is formed on this framework, and the height bracket is pulled out from framework step by step, thereby can carry out the height control of arm seat or carry out simultaneously height and the length control of adversary's arm seat.
According to another aspect of the present invention, in order to realize the 5th purpose of the present invention, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, wherein, the chest supporting part comprises by gasket material and covers the main body that the soft outer cover of the outer surface of gasket material forms, afterwards, framework is fixed to the rear surface of main body, hard outer cover is capped and places on the rear surface of framework, and the position in the firmly extension formation of outer cover laterally is formed with cutting part, during the chest supporting part receded, bending stress can be released thus.
According to another aspect of the present invention, in order to realize the 6th purpose of the present invention, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, wherein, have been formed with at least one air inlet cover with a plurality of air admission holes and venthole on the side surface of present section.
According to another aspect of the present invention, in order to realize purpose of the present invention, a kind of the have Lordosis support of independence and interconnection system and the chair of chest supporting part are provided, wherein, one end of one connecting frame is connected to the bottom of the framework of chest supporting part, but the other end of connecting frame inserts and is fixed to the pivot frame of carriage in the controllable mode of length by means of connector, but should pivot frame be pivotably mounted on the carriage of the lower surface that is fixed to a section, but and pivot frame flexibly supported by a flat spring.
Beneficial effect
Aforesaidly have the Lordosis support of independence and interconnection system and the ergonomics chair of chest supporting part has following beneficial effect according to of the present invention: backrest physically is divided into Lordosis support and chest supporting part, Lordosis support is formed flexible, and Lordosis support and chest supporting part are constructed to be interconnected with one another, so that during taking one's seat with correct posture, lumbar vertebrae and thoracic vertebrae are supported significantly and tightly, and when seated person excessively recedes the his/her upper back of the body and lower back in order to have a rest or when extenuating anxiety, lumbar vertebrae and thoracic vertebrae are supported tightly and can not produced the space between lumbar vertebrae and chairs, thereby comfortableness and light property have been increased, and have extraordinary postural stability and can not make the chair overturning, and optionally, the height of handrail can easily be regulated according to the height of seated person and use thereof, thereby more improved comfortableness and light property, and given seat section the good sensation of taking one's seat.
Description of drawings
By reference to the accompanying drawings, by following detailed description, aforementioned and other purposes of the present invention, feature and advantage will become more obvious, wherein:
Fig. 1 is the stereogram that illustrates according to the erectility of the chair of the Lordosis support with independence and interconnection system of an embodiment of the invention and chest supporting part;
Fig. 2 is the stereogram of the state that recedes that the chair of Fig. 1 is shown;
Fig. 3 is the side isometric view of Fig. 1;
Fig. 4 is the local longitudinally cutting stereogram that the erectility of Fig. 1 is shown;
Fig. 5 is the local longitudinally cutting stereogram that the state that recedes of Fig. 2 is shown;
Fig. 6 be illustrate according to another implementation of the invention the Lordosis support with independence and interconnection system and the side isometric view of the chair of chest supporting part;
Fig. 7 is the local longitudinally cutting stereogram that the mode of operation of the conventional chair with freestanding Lordosis support and chest supporting part is shown; And
Fig. 8 is the local longitudinally cutting stereogram that the mode of operation of another conventional chair with freestanding Lordosis support and chest supporting part is shown.
The specific embodiment
Hereinafter, describe with reference to the accompanying drawings illustrative embodiments of the present invention in detail.
Fig. 1 is the stereogram that illustrates according to the erectility of the chair of the Lordosis support with independence and interconnection system of an embodiment of the invention and chest supporting part, Fig. 2 is the stereogram of the state that recedes that the chair of Fig. 1 is shown, Fig. 3 is the side isometric view of Fig. 1, and Fig. 4 and Fig. 5 are the local longitudinally cutting stereograms that the state that recedes of the erectility of Fig. 1 and Fig. 2 is shown respectively.Here, in order conveniently to have mentioned together each width of cloth figure.
Comprise a section 2 according to the Lordosis support with independence and interconnection system of an embodiment of the invention and the chair 1 of chest supporting part, what be integrally connected to a section 2 can recurvate Lordosis support 3, the chest supporting part 4 that physically is independent of Lordosis support 3 with framework 4a, headrest 5 as selectable unit (SU), handrail 6, be used for flexibly supporting the multifunctional bearer 7 for the treatment of by the bottom of chest supporting part 4 connected to one another and seat section 2, central shaft 8 and the supporting leg 9 with castor 9a.
At first, the seat section 2 and the Lordosis support 3 that explanation are formed each other.It is equipped with roughly main frame 2a and the auxiliary frame 3a of " L " shape, main frame wherein is formed on from seat section 2 and extends in the zone of the roughly Lower Half of Lordosis support 3 or near middle, and auxiliary frame is formed in the zone on the top that the roughly first half or the near middle of Lordosis support 3 extend to Lordosis support 3.Flat spring 3b is attached on the bottom of the end that extends to Lordosis support 3 inside of main frame 2a and auxiliary frame 3a from the rear, so that it is crooked backward that Lordosis support 3 is constructed in the situation that has applied as shown in Figure 2 power " A ", wherein the described bottom of the described end that extends to Lordosis support 3 inside of main frame 2a and auxiliary frame 3a is independent of one another.
Although only show an auxiliary frame 3a and a flat spring 3b as accompanying drawing, the present invention does not limit its quantity.If necessary, it can be configured to form a plurality of auxiliary frames and flat spring.More specifically, under a plurality of auxiliary frame 3a state independent of each other, each flat spring 3b is attached to the interval at two ends of a plurality of auxiliary frames independent of each other from the rear, so that Lordosis support 3 can be crooked gradually by the stage.
As usually known, seat section 2 and Lordosis support 3 comprise: as auxiliary frame 3a and the main frame 2a of fuse; Surround the gasket material (not having Reference numeral) of the routine of auxiliary frame and main frame; And the outer cover (not shown) of making and cover the outer surface of gasket material by natural or artificial fiber, adhesive-bonded fabric or artificial or natural leather.
Lordosis support 3 comprise considered human waist when upright normal curvature and be formed on the annular protrusion 3c at the front central place of Lordosis support.In this case, protrude comparatively speaking the both sides of annular protrusion 3c, so that the core of Lordosis support 3 is mildly surrounded, is being gratifying aspect the minimizing fatigability thus.
Simultaneously, if necessary, optionally, the side surface place of present section 2 is formed with at least one the conventional air inlet cover (not shown) with a plurality of air admission holes and venthole, in the time of on being sitting in a section, can feel air cushion.That being installed in this area of air inlet cover (not shown) is known in the situation of leather of cloth list (sheet) or synthetic resin at the outer cover (not shown).
Continue, chest supporting part 4 is the individual members that are independent of Lordosis support 3.Chest supporting part 4 comprises the extension 4e for the minor face edge 4d that contacts with the upper end 3d of Lordosis support 3 and process minor face edge 4d.
In addition, chest supporting part 4 generally includes: as the framework 4a of fuse; Surround the gasket material (not having Reference numeral) of the routine of framework; And the outer cover (not shown) of making and cover the outer surface of gasket material by natural or artificial fiber, adhesive-bonded fabric or artificial or natural leather.Yet, as shown in drawings, consider economy and aesthetic, chest supporting part 4 comprises by gasket material (not having Reference numeral) and covers the main body that the soft outer cover (not shown) of the outer surface of gasket material forms.In addition, framework 4a is fixed to the rear surface of main body, and again, can be capped and place on the rear surface of framework 4a such as the hard outer cover 4b of synthetic resin board or sawdust-board etc.Under latter event, if necessary, cutting part 4g laterally is formed on the bending position of hard outer cover 4b, and this bending position is the initiation region of extension 4e, so that during chest supporting part 4 receded, the bending stress that is applied to hard outer cover 4b can be released.
Center in the front portion of chest supporting part 4 is formed with bend 4c.At this moment, also protrude comparatively speaking the both sides of bend 4c, so that the central part of bend is mildly surrounded on the whole, is being gratifying aspect the minimizing fatigability thus.
The framework 4a of chest supporting part 4 extends to the bottom of extension 4e.
Headrest 5 is optional rather than necessary in this is bright.Headrest is described with reference to the accompanying drawings briefly.Yet, can come as required at random to change the selection of headrest and the difference of structure thereof.
As shown in the figure, the front surface at headrest 5 is formed with protruding 5a.The rear portion of head can cosily be covered, and the tension force by fabric and supported, and the weight that is applied to lumbar vertebrae and thoracic vertebrae can 5 be alleviated by resting the head on.As shown, headrest 5 is fixed to the end of connecting frame 5b by connector 5c, and the other end of connecting frame 5b can be directly connected to the upper end of the framework 4a of chest supporting part 4.Yet usually, the connecting frame that can regulate height is inserted and fixed to the upper end of chest supporting part 4.
Next, handrail 6 will be described.Handrail comprises for the arm seat 6a of the arm of placing seated person in the above and the framework 6b that supports the arm seat, and the arm seat is made by the various materials that have good elasticity and quality such as polyurethane etc.Usually, framework 6b is fixed to servo bracket (following bracket) 7 or other frameworks on the lower surface that is positioned at a section 2.Yet, as shown, the end of framework 6b by such as hold-down screw or spot welding etc. suitably and arbitrarily fixture 6c directly be fixed to the bottom of the framework 4a of chest supporting part 4.
Thereby as shown in the figure, an end of handrail 6 directly is fixed to the bottom of chest supporting part 4, so that handrail 6 and 4 interconnection of chest supporting part, during chest supporting part 4 recedes, owing to applied as shown in Figure 2 power " B ", so handrail 6 can be lifted.Therefore, when chest supporting part 4 recedes, because do not need again to regulate the seated person arm that is placed on the handrail 6, can relaxation of tension and loosen and cosily have a rest.
Although not shown in the accompanying drawing of correspondence, but be similar to the another embodiment of the present invention among Fig. 6, (for example formed or be connected with the height bracket at arm seat 6a, see the Reference numeral 6d among Fig. 6), in this height bracket, be formed with a plurality of fixed lobe (not shown), the place, insertion end that is inserted in the height bracket at framework 6b is formed with a plurality of groove (not shown) that insert for fixed lobe, and the height bracket is pulled out from framework step by step, so that can carry out simultaneously the height control of arm seat 6a or height and the length control of arm seat, this also within the scope of the invention.
Be fixed to the lower surface of a section 2 as the carriage 7 of multifunctional bearer.These parts are with the circular pin (round lever) of the intensity that acts on control tension force, so that the inclination intensity of control backrest.That is to say that carriage 7 comprises known knob 7b and known angle control lever 7c, this angle control lever is applied to carrying out step by step the synchronous leaning device of the height control of chair and the angle of inclination control of backrest etc.
The framework 7a of carriage 7 is pivotably mounted on the end of carriage 7 by means of connector 7e.In addition, the end of connecting frame 4f is connected to the bottom of the framework 4a of chest supporting part 4, and the other end of connecting frame 4f is fixed to the framework 7a of carriage.Connecting frame 4f inserts and is fixed to by the length control fixator 7d that is used for control length the inside of framework 7a.In addition, but because pivot frame 7a is flexibly supported by flat spring 7f, so during chest supporting part 4 receded, owing to applied power " B " as shown in Figure 2, carriage 7 receded, and keeps simultaneously its flexible dynamic stability.On the contrary, if removed tilting force backward, then it turns back to original state to keep level.
Simultaneously, optionally, in the situation of rotating chair, the upper end of central shaft 8 rotatably is fixed to carriage 7, and the bottom of central shaft 8 rotatably is inserted into the center of supporting leg 9.The castor 9a of urethanes can be installed on a plurality of supporting base end portions of supporting leg 9, so that reduce about the misgivings that mobile scraping (flow scratch) and noise occur, do not worry its damage, and durability be high.
In the ergonomics chair 1 of the Lordosis support with independence and interconnection system with said structure according to the present invention and chest supporting part, when seated person recedes the his/her upper back of the body or lower back to have a rest or when extenuating anxiety, the lower back zone of seated person cosily contacts with Lordosis support 3, and by this Lordosis support support, and this Lordosis support recedes with relatively large angle by being used for supporting the flat spring 3b of (back) auxiliary frame 3a, simultaneously, under the minor face edge 4d of chest supporting part 4 and state that the upper end 3d of Lordosis support 3 contacts, the upper back of the body zone of seated person cosily contacts with chest supporting part 4, and by this chest supporting part support, and this chest supporting part recedes with relatively little angle.Therefore, Lordosis support and chest supporting part are born respectively the cosily task of supporting lumbar vertebra and thoracic vertebrae.In addition, this chair has high postural stability and can be in seated person excessively the recede his/her back of the body and lower unluckyly do not fall down backward, and has graceful outward appearance.
Especially, as shown in the figure, during chest supporting part 4 receded, an end of handrail 6 connected and is fixed to the bottom of chest supporting part 4, so that the arm seat 6a of handrail 6 is with 4 rotations of chest supporting part, thereby the arm seat can tilt and upwards promote.Therefore, because needn't regulate the seated person arm that is placed on the handrail 6, so freely and cosily have a rest in the time of can standing as chair.
Fig. 6 be illustrate according to another implementation of the invention the Lordosis support with independence and interconnection system and the side isometric view of the chair 1a of chest supporting part.Because except handrail 6, its primary element is identical in fact with the primary element of Fig. 1 to Fig. 5, so the difference between them will only be described.
As shown, formed height bracket 6d at arm seat 6a, in this height bracket, be formed with a plurality of fixed lobe (not shown), the place, insertion end that is inserted among the height bracket 6d at framework 6b is formed with a plurality of groove (not shown) that insert for fixed lobe, and height bracket 6d is pulled out from framework step by step, so that the height control that can carry out simultaneously arm seat 6a according to health or the environmental condition of seated person or height and the length control of arm seat.In addition, the other end of framework 6b is fixed to the carriage 7 on the lower surface that is positioned at a section 2, rather than is fixed to chest supporting part 4.Except this structure, because it is identical with the first embodiment of the present invention, so omitted further description herein.
In addition, in the chair 1a of according to another implementation of the invention the Lordosis support with independence and interconnection system and chest supporting part, except handrail 6 is not interconnected to chest supporting part 4, because its operation is identical with the first embodiment of the present invention, so omitted further describing it herein.
Although described a plurality of illustrative embodiments of the present invention for the purpose of example, but one skilled in the art should appreciate that, in not departing from such as claims, in the situation of disclosed scope and spirit of the present invention, can carry out various modifications, increase and replacement.
Claims (7)
1. one kind has the Lordosis support of independence and interconnection system and the chair of chest supporting part, and this chair has: be divided into the backrest of chest supporting part and Lordosis support, described chest supporting part is with framework; Be formed on seat section on the described Lordosis support by embedded frame, the described framework of described chest supporting part is connected to another framework or the carriage at the lower surface place that is positioned at described seat section with elasticity and tiltable mode; And handrail, wherein
Described embedded frame be divided into from described seat section extend to described Lordosis support Lower Half main frame and be positioned at least one auxiliary frame on the first half of described Lordosis support, and a flat spring is attached on described main frame independent of each other and the described auxiliary frame from the rear.
2. as claimed in claim 1 have the Lordosis support of independence and interconnection system and a chair of chest supporting part, wherein, described chest supporting part comprises for the minor face edge that contacts with the upper end of described Lordosis support and the extension that forms through described minor face edge.
3. as claimed in claim 1 have the Lordosis support of independence and interconnection system and a chair of chest supporting part, wherein, one end of the framework of described handrail is fixed to the bottom of the extension of described chest supporting part by fixture, thereby described handrail is by with described chest supporting part interlocking and be raised during described chest supporting part recedes.
4. describedly have the Lordosis support of independence and interconnection system and a chair of chest supporting part such as claim 1 or 3, wherein, described handrail comprises: be connected to the height bracket of arm seat, described height bracket has a plurality of fixed lobes; And framework, an end of this framework is inserted in the described height bracket, and this framework has a plurality of grooves of the described fixed lobe insertion of confession at the place, a described end that is formed on this framework, and described height bracket is pulled out from described framework step by step, thereby can carry out the control of the height of described arm seat or carry out simultaneously height and length control to described arm seat.
5. as claimed in claim 1 have the Lordosis support of independence and interconnection system and a chair of chest supporting part, wherein, described chest supporting part comprises by gasket material and covers the main body that the soft outer cover of the outer surface of described gasket material forms, afterwards, the described framework of described chest supporting part is fixed to the rear surface of described main body, hard outer cover is capped and place on the rear surface of described framework of described chest supporting part, and the position in the formation of the extension of described hard outer cover laterally is formed with cutting part, during described chest supporting part receded, bending stress can be released thus.
6. as claimed in claim 1 have the Lordosis support of independence and interconnection system and a chair of chest supporting part, wherein, is formed with at least one air inlet cover with a plurality of air inlet/outlets at the side surface of described seat section.
7. as each describedly has the Lordosis support of independence and interconnection system and a chair of chest supporting part in the claims 1 to 3, wherein, one end of one connecting frame is connected to the bottom of the described framework of described chest supporting part, but the other end of described connecting frame inserts and is fixed to the pivot frame of described carriage in the controllable mode of length by means of connector, but should pivot frame be pivotably mounted on the described carriage of the lower surface that is fixed to described seat section, but and described pivot frame flexibly supported by a flat spring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2008-0130514 | 2008-12-19 | ||
| KR1020080130514A KR100940190B1 (en) | 2008-12-19 | 2008-12-19 | A chair |
| PCT/KR2009/003339 WO2010071282A1 (en) | 2008-12-19 | 2009-06-23 | Chair with separate but interconnecting lumbar and thoracic supports |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102245056A CN102245056A (en) | 2011-11-16 |
| CN102245056B true CN102245056B (en) | 2013-10-16 |
Family
ID=42082973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801499739A Expired - Fee Related CN102245056B (en) | 2008-12-19 | 2009-06-23 | Chair with separate but interconnecting lumbar and thoracic supports |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110233979A1 (en) |
| JP (1) | JP5536096B2 (en) |
| KR (1) | KR100940190B1 (en) |
| CN (1) | CN102245056B (en) |
| WO (1) | WO2010071282A1 (en) |
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| WO2008112918A1 (en) * | 2007-03-13 | 2008-09-18 | Hni Technologies Inc. | Dynamic chair back lumbar support system |
| CN107023096A (en) | 2010-05-05 | 2017-08-08 | 奥斯蒂尔公司 | Removable and disassembled board wall system for docking glaze facing-wall board |
| JP6067104B2 (en) * | 2012-05-04 | 2017-01-25 | 株式会社イトーキ | Chair |
| US8926017B2 (en) * | 2012-09-06 | 2015-01-06 | James E. Grove | Chair with integral pivoting lumbar and seat cushion portions |
| USD697726S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
| US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
| US9706845B2 (en) | 2012-09-20 | 2017-07-18 | Steelcase Inc. | Chair assembly |
| WO2014144143A1 (en) | 2013-03-15 | 2014-09-18 | Hni Technologies Inc. | Chair with activated back flex |
| EP2805848B1 (en) * | 2013-05-22 | 2018-09-26 | Fabricacion Asientos Vehiculos Industriales, S.A. | Seat for vehicles |
| US9357849B2 (en) * | 2013-10-10 | 2016-06-07 | James E. Grove | Dynamic lumbar support for a chair |
| JP6273009B2 (en) * | 2013-11-19 | 2018-01-31 | ジョンソン コントロールズ テクノロジー カンパニーＪｏｈｎｓｏｎ Ｃｏｎｔｒｏｌｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏｍｐａｎｙ | Adjustable seat |
| US20150182027A1 (en) * | 2013-12-27 | 2015-07-02 | Hong-Yuan Chang | Composite chair |
| CN106455824A (en) | 2014-04-17 | 2017-02-22 | Hni技术公司 | Flex lumbar support |
| USD731833S1 (en) | 2014-04-17 | 2015-06-16 | Allsteel Inc. | Chair |
| KR101587896B1 (en) * | 2014-06-17 | 2016-01-22 | 혜성산업(주) | Single pedestal style audience chair |
| USD743180S1 (en) | 2014-10-15 | 2015-11-17 | Hni Technologies Inc. | Chair |
| US9801470B2 (en) | 2014-10-15 | 2017-10-31 | Hni Technologies Inc. | Molded chair with integrated support and method of making same |
| WO2017004216A1 (en) * | 2015-06-29 | 2017-01-05 | Herman Miller, Inc. | Back support |
| TWM543007U (en) * | 2017-02-22 | 2017-06-11 | Xin-Hua Chen | Backrest structure |
| CN106923538A (en) * | 2017-04-25 | 2017-07-07 | 安徽斌欣电子科技有限公司 | A kind of adjustable chair lift |
| KR101995570B1 (en) | 2017-10-19 | 2019-07-03 | 주식회사 체어로 | A chair with waist support |
| EP3927215A4 (en) | 2019-02-21 | 2023-03-15 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
| US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
| USD936985S1 (en) | 2020-02-19 | 2021-11-30 | Steelcase Inc. | Chair |
| USD961317S1 (en) | 2020-02-19 | 2022-08-23 | Steelcase Inc. | Backrest |
| USD961281S1 (en) | 2020-02-19 | 2022-08-23 | Steelcase Inc. | Chair |
| USD937024S1 (en) | 2020-02-19 | 2021-11-30 | Steelcase Inc. | Backrest |
| USD935824S1 (en) | 2020-02-19 | 2021-11-16 | Steelcase Inc. | Seat |
| USD937595S1 (en) | 2020-02-19 | 2021-12-07 | Steelcase Inc. | Chair |
| USD936984S1 (en) | 2020-02-19 | 2021-11-30 | Steelcase Inc. | Chair |
| USD961280S1 (en) | 2020-02-19 | 2022-08-23 | Steelcase Inc. | Chair |
| KR102177325B1 (en) | 2020-04-27 | 2020-11-11 | 안창규 | Chair with back support to move the seat |
| USD995179S1 (en) | 2021-01-20 | 2023-08-15 | Steelcase Inc. | Chair with lumbar support |
| USD988048S1 (en) | 2021-01-20 | 2023-06-06 | Steelcase Inc. | Lumbar support |
| USD995180S1 (en) | 2021-05-12 | 2023-08-15 | Steelcase Inc. | Chair with lumbar support |
| USD988049S1 (en) | 2021-05-12 | 2023-06-06 | Steelcase Inc. | Lumbar support |
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- 2008-12-19 KR KR1020080130514A patent/KR100940190B1/en active IP Right Grant
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2009
- 2009-06-23 WO PCT/KR2009/003339 patent/WO2010071282A1/en active Application Filing
- 2009-06-23 US US13/139,292 patent/US20110233979A1/en not_active Abandoned
- 2009-06-23 JP JP2011541995A patent/JP5536096B2/en not_active Expired - Fee Related
- 2009-06-23 CN CN2009801499739A patent/CN102245056B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1494845A (en) * | 1997-10-24 | 2004-05-12 | ض� | Synchronous inclinable chain with adjustable chair seat, chair back and energy mechanism |
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| JP特开2000-125986A 2000.05.09 |
| JP特开2007-325689A 2007.12.20 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100940190B1 (en) | 2010-02-10 |
| CN102245056A (en) | 2011-11-16 |
| JP2012512694A (en) | 2012-06-07 |
| WO2010071282A1 (en) | 2010-06-24 |
| JP5536096B2 (en) | 2014-07-02 |
| US20110233979A1 (en) | 2011-09-29 |
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