CN104640480B

CN104640480B - Chair constructs

Info

Publication number: CN104640480B
Application number: CN201380048775.XA
Authority: CN
Inventors: 克里斯托弗·J·诺曼; 尼可劳斯·威廉·查尔斯·迪弗斯; T·奎格利; M·J·蒂乃维斯
Original assignee: Stilkos
Current assignee: Stilkos
Priority date: 2012-09-21
Filing date: 2013-09-19
Publication date: 2018-07-17
Anticipated expiration: 2033-09-19
Also published as: CN104640480A; BR112015004876B1; MX366091B; CN108814056B; EP2897489A4; EP2897489A1; JP6605653B2; CN108814056A; JP6317747B2; CA2881691A1; HK1205892A1; WO2014047242A1; AU2013318070B2; BR112015004876A2; CA2881691C; MX2015003455A; JP2018118111A; JP2015532854A; AU2013318070A1

Abstract

Back component includes the substantial rigid peripheral frame for defining central opening, substantially pliable coupler body, it is coupled to peripheral frame and at least part across central opening, the first part of wherein coupler body is fixed on first position relative to frame, the second part of coupler body is fixed on the second position different from first position relative to frame, the third place of the Part III of coupler body in place between first position and the second postion is restricted relative to the movement of frame at least one direction, and the Part IV of wherein coupler body is not limited in the 4th position between the third place and the second position relative to frame.

Description

Chair constructs

Technical field

The present invention relates to the constructions of chair, more particularly, to the construction of office chair comprising along four separated regions The backrest module for having different range of extension, further include the backrest module that is coated of each bush assembly freely played role in decoration and Seat assembly.

Invention content

One aspect of the present invention is the provision of back component comprising defines the substantial rigid of central opening Property peripheral frame and substantial pliable coupler body, be coupled to peripheral frame and across at least the one of central opening Part, the wherein first part of coupler body are fixed on first position relative to frame, the second part of coupler body relative to Frame is fixed on the second position different from first position, and the Part III of coupler body is positioned at first position and the second position Between the third place be restricted relative to the movement of frame at least one direction, and the 4th of wherein coupler body It sets and is not limited relative to frame in the Part IV between the third place and the second position.

Another aspect of the present invention is the provision of chair assembly comprising the support for being suitable for contacting with floor surface Component is operably coupled to support component and the seat assembly of the user to take one's seat suitable for being supported on, and including Define the back component of the substantial rigid peripheral frame and substantial pliable coupler body of central opening.Backrest Shell is coupled to peripheral frame and at least part across central opening, wherein the first part of coupler body relative to Frame is fixed on first position, and the second part of coupler body is fixed on the second different from first position relative to frame It sets, the third place of the Part III of coupler body in place between first position and the second postion is relative to frame at least one Movement on a direction is restricted, and the 4th position of wherein coupler body is between the third place and the second position 4th position is not limited relative to frame.

The yet other aspects of the present invention provide chair part assemblies comprising are suitable for supporting one of seated user The support part divided, support part includes the housing member for having circumferential profile edge, and support part further includes at least one coupling Component has the opening at internal and circumferential profile edge towards housing member and positioned at being substantially close at least one coupling At least one tab member of the opening of component and the bush assembly played role in decoration, around at least one of support part Subpackage is wrapped up in, and includes edge, which is maintained at the inside of at least one male part by least one tab member.

Chair assembly is provided in terms of the yet still another of the present invention comprising support part, it is suitable for branch A part for seated user is supportted, and includes the housing member and and dress with slot and at least one fastener in slot The bush assembly of decorations effect around at least part package of support part, and includes the drawstring being located in draw cord channel, Its medium pulling rope is suitable for the bush assembly that is played role in decoration around support component pull and wherein passes through at least one male part will At least one of drawstring and draw cord channel are maintained in slot.

Another aspect of the present invention is to provide chair part assemblies comprising is suitable for supporting one of seated user Point and include the housing member with hole support part, around support part at least part wrap up and include being located at The bush assembly of drawstring in draw cord channel played role in decoration, medium pulling rope are suitable for playing decoration around support part pull The bush assembly of effect, and its medium pulling rope includes at least one free end and at least one fastener, with housing member Hole engages, and at least part of at least one free end of drawstring is fixed in hole.

The yet other aspects of the present invention provide chair assembly, and it includes the support group for being suitable for contacting with floor surface Part is operably coupled to support component and the seat assembly of the user to take one's seat suitable for being supported on, and chair lean on Back component, back component include defining the substantial rigid peripheral frame of central opening and around central opening At least part extend groove and be coupled to peripheral frame and across central opening it is at least part of substantially Pliable coupler body, the wherein first part of coupler body are fixed on first position relative to frame, and the second of coupler body Part is fixed on the second position different from first position relative to frame, and coupler body is positioned at first position and the second position Between the third place be not limited relative to frame, and wherein coupler body is positioned within the groove of frame.

Those skilled in the art can be further understood that and be recognized by the following specification, claim and attached drawing To the feature and advantage of these and other of the present invention.

Description of the drawings

Fig. 1 is the main parallax stereogram according to the chair assembly of the present invention；

Fig. 2 is the rear perspective view of chair assembly；

Fig. 3 is the side view of chair assembly, it is shown that is in the backrest module and group of seats of stand up position and obliquity Part, and show the seat assembly in retracted position and extended position；

The top perspective view of Fig. 4 decomposition of component and seat assembly in order to control；

The face upwarding stereogram of Fig. 5 decomposition of component and seat assembly in order to control；

Fig. 6 is the stereogram of the amplification of region VI in Fig. 4；

Fig. 7 A are the front view in the section of seat assembly；

Fig. 7 B are the front view in the section of another embodiment of seat assembly；

Fig. 8 A are the face upwarding view of seat assembly；

Fig. 8 B are the fragmentary bottom plan view of another embodiment of seat assembly；

Fig. 8 C are the fragmentary bottom plan view of another embodiment of seat assembly；

Fig. 9 A are the stereogram of clip；

Fig. 9 B are the stereogram that clip and seat assembly are in unassembled configuration；

Fig. 9 C are that clip and seat assembly are in the stereogram being configured after assembling；

Figure 10 is the main parallax stereogram of the decomposition of backrest module；

Figure 11 A are the rear perspective view of the decomposition of backrest module；

Figure 11 B are the rear perspective view of the decomposition of another embodiment of backrest module；

Figure 11 C are the sectional view of another embodiment of backrest module；

Figure 11 D are the view of the amplification of the region XI D in Figure 11 B；

Figure 12 is the main parallax stereogram of backrest module；

Figure 13 A are the side cross-sectional view along XIIIA-XIIIA lines in Figure 12；

Figure 13 B are the side cross-sectional view along XIIIB-XIIIB lines in Figure 12；

Figure 13 C are the side cross-sectional view of another embodiment of backrest module；

Figure 14 is the side cross-sectional view along XIV-XIV lines in Figure 12；

Figure 15 is the stereogram of the amplification of the region XV in Figure 11 A；

Figure 16 is the main parallax stereogram of the decomposition of waist feature；

Figure 17 is the side cross-sectional view of waist feature；

Figure 18 A are the stereogram for the amplification that waist feature is engaged with backrest module；

Figure 18 B are the perspective, cut-away view of the amplification of handle assembly and waist feature shell；

Figure 18 C are the stereogram of the decomposition of handle assembly and shell；

Figure 19 is the stereogram of the decomposition of the alternate embodiment of backrest module；

Figure 20 is the stereogram of the structural reinforcement member of the alternate embodiment of the backrest module of Figure 19；

Figure 21 is the sectional view of the top section of the alternate embodiment of the backrest module of Figure 19；

The stereogram of Figure 22 components in order to control；

Figure 23 is the face upwarding stereogram of seat shell and holder；

Figure 24 is the side isometric view of handrail；

Figure 25 is the exploded view of handrail；

Figure 26 is the side isometric view of the decomposition of handrail；

Figure 27 is the stereogram of column, it is shown that the first vertical surface of the column including retainer；

Figure 28 is the main parallax stereogram of locking component；

Figure 29 is the rear perspective view of the locking component of Figure 28；

Figure 30 is the partial view of column and locking component；

Figure 31 is the partial view of column, locking component and actuating rod；

Figure 32 is the sectional view that handrail is in the locked position；

Figure 32 A are the partial view of the amplification of annular region XXIXA in Figure 32；

Figure 33 is the sectional view of handrail in Figure 32, show unlocked position；

Figure 33 A are the partial view of the amplification of annular region XXXA in Figure 33；

Figure 34 is the sectional view of handrail in Figure 32, show unlocked position；

Figure 34 A are the schematic diagram of the amplification of annular region XXXIA in Figure 34；

Figure 35 is the sectional view of handrail in Figure 32, show the position of locking；

Figure 35 A are the schematic diagram of the amplification of annular region XXXIIA in Figure 35；

Figure 36 is the stereogram of chair assembly；

Figure 37 is the front view of chair assembly as shown in figure 36；

Figure 38 is the first side view of chair assembly as shown in figure 36；

Figure 39 is the second side view of chair assembly as shown in figure 36；

Figure 40 is the rearview of chair assembly as shown in figure 36；

Figure 41 is the vertical view of chair assembly as shown in figure 36；

Figure 42 is the upward view of chair assembly as shown in figure 36；

Figure 43 is the stereogram of the upper corner of the backrest module of chair；

Figure 44 is the front view of the upper corner of backrest module as shown in figure 43；

Figure 45 is the side view of the upper corner of backrest module as shown in figure 43；

Figure 46 is the rearview of the upper corner of backrest module as shown in figure 43；

Figure 47 is the vertical view of the upper corner of backrest module as shown in figure 43；

Figure 48 is the stereogram of the handle device of the waist feature of chair assembly；

Figure 49 is the side view of handle device as shown in figure 48；

Figure 50 is the rearview of handle device as shown in figure 48；

Figure 51 is the vertical view of handle device as shown in figure 48；And

Figure 52 is the upward view of handle device.

Specific implementation mode

For purpose described herein, term "upper", "lower", " right side ", " left side ", " rear ", " preceding ", " vertical ", "horizontal" And its derivative words should be related to the invention such as Fig. 1 oriented.However, it should be understood that the present invention can take determining for various replacements To unless clearly there is opposite regulation.It will also be appreciated that specific shown in the accompanying drawings and described in following description Equipment and technique be concept of the invention defined by the attached claims exemplary embodiment.Thus with public in this institute The relevant specific size of embodiment and other feature opened be not considered as it is restrictive, except being clearly stated in non-claimed In this way.Different elements in the embodiment disclosed herein can be described as being operably coupled together between each other, packet Include the element being directly or indirectly coupled.

Reference number 10 (Fig. 1 and 2) generally indicates the chair assembly that the present invention embodies.In an example shown, Chair assembly 10 includes with abutting and the base assembly 12 of the caster that support by floor surface, taken turns by carrying with floor surface 13 The seat that the control or support component 14, each component that the base assembly 12 of foot supports are operatively coupled with control assembly 14 Component 16 and backrest module 18 and a pair of armrests component 20.Seat assembly 16 (Fig. 3) and backrest module 18 and control assembly 14 It is operatively coupled, so that backrest module 18 moves between completely erected position A and inclined position B completely, and also So that seat assembly 16 is moved in fully upright position C and completely between inclined position D, completely erected position C and Complete inclined position D and the completely erected position A and inclined position B completely of backrest module 18 are respectively corresponding.

Base assembly 12 includes multiple base arms 21, those base arms radially, and around hollow central column 22 It arranges with being separated, pneumatic cylinder is accommodated in hollow central column, for adjustment control assembly 14, seat assembly 16 and lean on Carry on the back whole vertical height of the component 18 on floor surface 13.Each base arm 21 passes through caster component 24 in conjunction And it is supported on floor surface 13.Although base assembly 12 shown in is in the form of including the base assembly of multi-arm , but should be noted that other suitable support constructions can be used, including it is not limited to the cloth of fixed cylinder, more legs It sets, vehicle seat support component and the like.

Seat assembly 16 (Figure 4 and 5) includes seat housing member 30, with front edge 32, rearward edges 34 and one To the side edge 36 extended between front edge 32 and rearward edges 34, wherein front edge 32, rearward edges 34 and side Method, edge 36 cooperates, to form the outer profile of seat housing member 30.In an example shown, seat housing member 30 wraps The solid memder of Unitarily molded plastics is included, it is also possible, however, to use other suitable structure and materials.Seat housing member 30 is also Including downwardly open slot 38, which has the cross-sectional configuration of C-shaped, and around the contour extension of seat housing member 30.It is more A male part 40 (Fig. 6) and 30 structure of seat housing member are integral, and within slot 38, and are separated ground along slot 38 Arrangement.Each male part 40 includes a pair of of rib 42, and each rib has the abutment surface 44 in downward angle.Each male part 40 further include flexible Elastic Meshing tusk 46, which is located between a pair of of rib 42 with being separated.Seat Component 16 further includes foam pad component 48, with front edge 50, rearward edges 52 and a pair of side extended therebetween Edge 54, the wherein at least front edge 50 of mat member 48 and side edge 54 cooperate, downwardly open recessed to be formed Cave 56 accommodates a part for seat housing member 30 wherein.Seat assembly 16 further includes the bush assembly 58 played role in decoration. In an example shown, bush assembly 58 includes bushing 60 comprising extensible fabric, and include upper part 62 and multiple The lateral part 64 extended around upper part 62, and it cooperates, to limit inner space 66, containing seat wherein The component and mat member 48 of position shell 30.Bush assembly 58 further includes draw cord channel 68, around the outer of lateral part 64 Peripheral edge extends, and accommodates drawstring 70 wherein, and medium pulling rope 70 includes a pair of from the free end 72 that draw cord channel 68 extends.

In assembling, seat shell 30 (Fig. 7 A) and mat member 48 are located among the inner space 66 of bush assembly 58, So that draw cord channel 68 (Fig. 8 A) and drawstring 70 are located within slot 38, and so that draw cord channel 68 and drawstring 70 impact (impinge) on rib 42, and engaged by tusk 46, to by draw cord channel 68 and drawstring 70 be anchored on slot 38 it It is interior.

The most shown, the free end 72 of drawstring 70 is tight by fastener or clip member 80 (Fig. 9 A) Gu to seat shell 30.In an example shown, clip member 80 is spring clip, the elastic body 82 with U-shaped and a pair Flange 86, elastic body have the engaging tooth 84 for being located at and being separated by along its length direction, elastic body of the flange 86 from U-shaped 82 both sides extend outwardly.In assembling, clip member 80 (Fig. 8 B and 8C) is vertically right relative to the free end 72 of drawstring 70 Standard is inserted into the part of slot 38 of seat shell 30, to which the free end 72 of drawstring 70 to be maintained within slot 38.Or Person, clip member 80 (Fig. 8 A) can be engaged with another hole 88 in seat shell 30, thus by the free end of drawstring 70 72 at least part is anchored in hole 88.Alternatively, multiple clip members 80 (Fig. 8 B) can be used, by the freedom of drawstring 70 One of end 72 is anchored in slot 38.The most clearly shown in Fig. 8 C, another selectable embodiment includes By single clip 80 two free ends 72 of drawstring 70 are fastened.

Reference number 16a (Fig. 7 B) generally indicates another embodiment of seat assembly.Because seat assembly 16a with Previously described seat assembly 16 is similar, therefore in addition to the suffix " a " after number, respectively appear in phase in Fig. 7 B and Fig. 7 A As component pass through identical, corresponding reference number and indicate.In an example shown, seat assembly 16a includes seat shell 30a and mat member 48a is located among the inner space 66a of the bush assembly 58a played role in decoration, so that ladder Or protrusion 73a is located within slot 38a, to which bush assembly 58a is fastened to seat shell 30a.As shown, elastic variable The protrusion 73a of shape has the cross-sectional configuration of J-shaped, including hook portions 75a, as protrusion 73a insertion groove 38a, with card The mode of button is engaged with tusk 46.Bushing 60a is preferably sewed to protrusion 73a, it is also possible, however, to use other are suitable Connection type.

Backrest module 18 (Figure 10 and 11) includes the peripheral frame 90 of substantial rigidity comprising the top end part being laterally extended Points 92, the bottom part 94 being laterally extended and a pair of vertically extending lateral part 96, wherein top section 92, bottom part 94 It is mutually matched with lateral part 96, to form central opening 98.Backrest module 18 further includes lumbar support assemblies 100, is applicable in In the lumbar region of user that support is taken one's seat, and be contained within slit 102, the slit along peripheral frame 90 each side It is extended vertically to part 96.The depression 106 that a pair extends laterally the laterally part 96 of object 104 extends vertically, and accommodates In wherein, and it is secured to wherein by multiple machanical fasteners 107.

Backrest module 18 further includes substantial pliable coupler body 108, and it includes tip portion 110, bottom parts 112 With a pair of of lateral part 114, these parts respectively with the tip portion of peripheral frame 90 92, bottom part 94 and lateral part 96 alignments, and it is as described below.Coupler body 108 further include it is multiple extend between lateral part 114, be separated by vertically ground cloth The lath 116 set, and define therebetween multiple slits 118.In assembling, coupler body 108 (Figure 12) is attached to periphery frame Frame 90 defines coupler body 108 in the area or area perpendicular to one another arranged with being separated by of different elasticity in this way Domain.Particularly, coupler body 108 is attached to peripheral frame 90, so that the top area 120 of coupler body 108 and bottom zone Domain 122 is fixed relative to peripheral frame 90, and the third region 124 of coupler body 108 is relative to peripheral frame 90 forward Direction on be limited by, and the fourth region 126 of coupler body 108 is freely in a forward direction from periphery frame Frame 90 detaches, and wherein dotted line show the state of the bending of coupler body 108.More specifically, and Figure 13 A and 13B the most Best seen in, the tip portion 92 of peripheral frame 90 includes multiple uncinuses 130 upwardly extended, with tip portion 92 at One is whole, and is separated and is positioned across 92 place of tip portion, and the tip portion 110 of coupler body 108 include it is multiple to The flexible elastic annular object 132 of lower extension, wherein uncinus 130 and ring integral with tip portion 110 132 engagements, to during engagement so that ring 132 is bent with direction 133 and by the top end part of coupler body 108 Divide 110 tip portions 92 for being fixedly secured to peripheral frame 90.In fig. 12 the most best seen in, coupler body 108 wrap A pair of integral tab member 134 is included, the intersection of lateral part 114 and bottom part 112, wherein tongue piece structure are located at Part 134 is fastened to peripheral frame 90 for example, by the machanical fastener of bolt 136, to by the bottom part of coupler body 108 112 are fixedly secured the bottom part 94 of peripheral frame 90.Figure 14 the most best seen in, the third area of coupler body 108 Domain 124 includes the uncinus 140 backward and extended downwardly, is located at the length side of the lateral part 114 along coupler body 108 To and be integral with.Each uncinus 140, which is contained in, is extending laterally the depression formed between object 104 and lateral part 96 142, so that the axis 144 that coupler body 108 extends vertically over corresponding uncinus 140 around a pair pivots.Positioned at third What the size of the depression 142 within region 124 was also adjusted can allow uncinus 140 within depression 142 with the lateral position in direction 146 It moves, and so that the lateral part 114 of coupler body 108 curves inwardly relative to the lateral part 96 of peripheral frame 90, to, Correspondingly so that relative to peripheral frame 90, elasticity and compatibility of the coupler body 108 in backward directions 148 increased. The lateral part 114 of coupler body 108 within the fourth region 126 is not secured to the lateral part of peripheral frame 90 96, to so that relative to peripheral frame 90, compatibility of the coupler body 108 on horizontal direction 146 and rearwardly direction 148 Property and elasticity realize maximize.To which the first and second regions 120,122 of coupler body 108 are relative to peripheral frame 90 Movement is restricted, third region 124 so that coupler body 108 relative to peripheral frame 90 have a restricted compatibility and the Four regions 126 are so that coupler body 108 realizes maximum bending relative to peripheral frame 90.

Reference number 18b (Figure 11 B) generally indicates another embodiment of backrest module.Because of backrest module 18b It is similar with previously described backrest module 18, therefore in addition to the suffix " b " after number, respectively appear in Figure 11 B and Figure 11 A In similar component pass through identical, corresponding reference number and indicate.In an example shown, the bush assembly played role in decoration 150b includes drawstring 160b and multiple ladders or protrusion 151b, and the ladder or protrusion are attached to bush assembly 150b's Lateral part 154b simultaneously extends along it.In Figure 11 C the most best seen in, each protrusion 151b have J-shaped section Configuration, is fastened to bush assembly 150b, and further comprise hook portions 155b, with coupler body 108b via suture 153b The tusk 168b of male part 162b be meshed.Drawstring 160b is located at by suture 157b within draw cord channel 158b, drawstring Channel is fastened to associated lateral part 154b, and after protrusion 151b is secured to coupler body 108b, drawstring It is pullled around coupler body 108b.The free end 163b of drawstring 160b is fastened between each other via metal cuff 165b. In an example shown, drawstring 160b is relatively incompressible, and includes the polypropylene material of sub-thread, although can also Using the material of such as nylon, and using the construction of multiply.

Backrest module 18 further includes the sleeve member 150 of backrest played role in decoration, with front part 152 and multiple Lateral part 154, is mutually matched, with the inner space 156 formed therein for accommodating coupler body 108.It plays role in decoration Component 150 includes extensible textile material, and includes draw cord channel 158, and the Internal periphery around lateral part 154 extends, And drawstring 160 is accommodated wherein.In figure 13a the most best seen in, the sleeve member 150 played role in decoration contains backrest A part for shell 108.Alternatively, the component 150 ' (Figure 13 C) played role in decoration is around coupler body 108 ', foam pad component 155 ' extend with a part of of inner fabric layers 157 ', and inner fabric layers 157 ' divide mat member 155 ' from coupler body 108 ' It opens.

In Figure 13 A and 15 the most best seen in, coupler body 108 include multiple male parts 162, around by dorsal shield The profile of body 108 is arranged with being separated.In an example shown, each male part 162 includes a pair of outwardly extending finger-like Object 164, with certain shape, to limit the opening towards the circumference edge 166 of coupler body 108.It is multiple pliable Bent elastic tusk 168 and the finger-shaped material 164 of male part 162 intersects.In assembling, the component 150 that plays role in decoration Around the edge wrap of coupler body 108, so that draw cord channel 158 and drawstring 160 are contained in male part 162, and lead to The engagement of tusk 168 is crossed, within the male part 162 to which draw cord channel 158 and drawstring 160 to be maintained to associated.

Waist feature 100 (Figure 10,11A and 16) include the main body shell 200 for containing the decorative panel 202 being laterally extended, Leaf spring 203, pair of sliding connection component 204 and a pair of of regulation handle 205, regulation handle that a pair is laterally extended are configured for User catches, and waist feature 100 is moved between the position E (Fig. 2) and raised position F of decline.The body shell of molding Body 200 include forward portion 206 and rear portion 208, with bowed shape, and with back-to-back interrelational form mutually it Between Vibration Welding, to form depression 210 (Figure 17), wherein accommodate decorative panel 202.Alternatively, front and back part 206,208 Others coupled modes, including the machanical fastener of such as screw, buckle, ultrasonic bonding, binder and the like can be used. T leaf springs 203 extend along the length direction of main body shell 200, and in the depression 212 of difference, across 210 both sides of depression It is alongside one another.Leaf spring 203 is suitable for providing forward bias force, against that the lumbar region at user back applies backward Power.The component 204 that is slidably connected is attached to the end of waist feature 100, and is slidably received in elongated slot 218 (Figure 18 A), between which is formed in admissible lateral part 96 of peripheral frame 90 and extends laterally object 104, so that It is vertically movable between decline and raised position E, F in waist feature 100.Particularly, main body shell 200 includes a pair The rib 219 extended vertically is guided along the admissible object 104 that extends laterally, thus by waist feature 100 It is placed in center relative to frame 90.It should be noted that when carrying out vertical adjustment, the relative width of peripheral frame 90 along The path change of 100 conduct of waist feature, to need being slidably connected between component 204 and main body shell 200 that be slidably connected. In Figure 18 B the most best seen in, each end of the forward portion 206 of main body shell 200 includes a pair of to have tubbiness head The tongue piece 220 in portion, being slidably received within a pair of corresponding slit 222 that it makes can be in connection component 204 and main body It is slidably adjusted between shell 200, while preventing main body shell 200 from being detached from connection component 204.In assembling, and in Figure 12 Best seen in 18C the most, each handle 205 includes blade-section 207, is slidably received in corresponding connection group In the depression 209 of part 204, and remained at by flexible elastic tongue piece 211, the hole of the tongue piece and blade-section 207 Gap 213 engages, to which slideably waist feature 100 is fastened within slit 102.Each connection component 204 further includes band Have the flexible elastic rod 217 of pawl component 219, selectively with multiple lateral portions vertically along peripheral frame 90 102 retainers 221 (Figure 10) arranged with being separated are divided to be meshed, to be maintained at waist feature 100 relative to frame 90 selected upright position.

In figure 3 the most best seen in, seat assembly 16 can move between retracted position G and the position H of stretching, To provide the adjusting in depth for chair assembly 10.Seat assembly 16 (Figure 4 and 5) is slidably supported at control assembly 14 On.Control assembly 14 (Figure 22) includes the support plate 251,252 being arranged on the whole opposite side of control assembly 14.Control assembly 14 further include actuating rod 253, is substantially U-shaped, and includes being arranged under the forward portion of seat assembly 16 and being suitable for The handle portion 254 caught by user, and a pair of arm section 255 to extend back from handle portion 254.When actuating actuating rod When 253, handle portion 254 is lifted up with direction 256, wherein actuating rod 253 in pivotal point 257 in 30 maincenter of seat shell Turn, the distal end 258 of arm section 255 is caused to be moved down with direction 259, to be engaged with corresponding rocker 260, around pivot 261 are as pivotally connected to seat shell 30.Rocker 260 is moved to disengaged position by actuating for actuating rod 253 from the position of engagement, So that seat assembly 16 moves between position G, the H for retracting and stretching out.Particularly, rocker 260 selectively with accordingly Holder 263 multiple slots 262 engage so that seat assembly 16 is selectively locked between the position retracted and stretched out It is fixed.

As shown in Fig. 7 A and 23, the bottom surface 265 of seat shell 30 includes downwardly open integral linear draws Support slot 266 is led, rear portion is extended to from the front of seat shell 30.In fig. 20 the most best seen in, support plate 252 wrap A pair of leader 270 upwardly extended is included, is slidably advanced in the linear guide of seat shell 30 bearing 266, to Relative to the entirety of support plate 252 and control assembly 14, seat shell 30 is linearly guided.Support plate 252 includes to be contained in branch L-shaped leader 290 (Figure 22) among bearing member 291 is contained among corresponding inwardly open slit 292, so that Moved between position G, the H for retracting and stretching out in seat assembly, the leader 290 of support plate 252 slit 292 it Interior guiding.

Alternatively, can the downside of seat shell 30 be fastened in a certain position for removable stop member 293, so that stopping Only component in connection with support plate 251 a part 295, to limit seat assembly 16 from the position of stretching to retracted position The distance of traveling and prevent seat assembly 16 be moved to finally to position.In an example shown, stop member 293 via Screw 297 is fastened to seat shell 30, is installed and is removed using tool to need.

Each armrest assembly 20 (Fig. 3,24 and 25) can vertically be adjusted between raised position I and the position J of decline, It includes the armrest assembly 302 for being configured to be attached to the tubular support object 300 of chair 10, be nestedly located in tubular support object And it is slidably received in the height adjustment mechanism 304 in armrest assembly.Plate 306 is attached to the top of armrest assembly 302, and Handrail lid 308 is attached to plate 306.In alternative embodiments, pivot/sliding component 309 is attached to plate, and handrail lid 308 are attached to pivot/sliding component.Pivot/sliding component is similar in No. 5,971,484 commonly assigned United States Patent (USP) , submission on December 3rd, 1997 is applied for, entitled " adjustable armrest of chair ", content is instructed by referring to it This is incorporated to.

With reference to Figure 25 and 26, tubular support object 300 includes L-shaped structure component, with the first horizontal arm section 310, It is suitable for being connected to the support construction of affixed side, also there is vertically extending second arm section 312.Second arm section 312 Include for nestedly accommodating the upper opening 314 of armrest assembly 302, lower opening 316 and the groove of the hole 319 containing fastening 318, along a vertical side.When armrest assembly 302 is inserted into the second arm section 312, the section below of sleeve 320 is worn Lower opening 316 is crossed, and is visible.As armrest assembly is vertically upward adjusted, the visible part of sleeve tails off.Groove 318 and lower opening 316 on the opposite both sides of the second arm section 312.

Armrest assembly 302 is nestedly contained within tubular support object 300, and includes sleeve 320, column 321, may be used also Including supporting member 322.First side 324 may include the hole 328 of the lower end of neighbouring first side.Neighbouring first side 324 top is opening 330, and it is suitable for accommodating the operable component 370 of actuating rod 334.Sleeve 320 top outward by Gradually it is unfolded, to provide arm supports object 336.The second side 326 of sleeve 320 is included in the rectangle of the lower end of second side Hole 338.On the either side of hole 338 is vertical ribs 340, and its of the second vertical ribs 341 and vertical ribs 340 One of alignment, the whole effective length of to increase alignment and mutually matched rib 340,341, and preferably carrying It has supplied to be at least 3:The ratio of 1 length l and width w, it is therefore preferable at least 10:1, to reduce armrest assembly 302 in pipe Sagittal movement within shape supporter 300.With reference to Figure 25 and 26, column 321 is rectangle, and antelabium is carried on its top 342, tongue piece 344 is carried on its bottom end.Column further includes the first vertical surface 346 and the second vertical surface 348.First hangs down Straight surface 346 includes the retainer 350 and fastening hole 352 (Figure 27) of a series of opsition dependent arrangement.It is complete to fasten hole 352 Extend through 321 to the second vertical surface 348 of column.What it is in the both sides of the retainer 350 of opsition dependent arrangement is vertical recessed Slot 354, one of further groove 354 extends through the bottom of column 321, and its further groove 354 can matchingly be held The vertical ribs 340,341 received on sleeve 320, to prevent armrest assembly 302 completely out from tubulose composition 300.Especially Ground, in an example shown, slot includes end wall 356 one of in 354, is abutted by corresponding rib 340, to prevent Armrest assembly 302 is removed from tubular supporting piece 300.Other grooves 354 extend through the end of column 321, so that Second vertical ribs 341 pass through.Second vertical surface 348 includes ridge 358.Supporting member 322 provides bearing table Face, and include two and put the wreath 360 for being connected to vertical bar 362 wherein.Although Figure 25 and 26 shows circle Shape object 360 relative to there is certain angle between each other, but in alternative embodiment, wreath is relative to mutual It is parallel.The end 364 of wreath 360 is unfolded outward, to limit space 366.

Column 321 can be matchingly contained in the groove 318 of the second arm section 312, with adjacent as the second arm Second vertical surface 348 of part 312.Clamp device is inserted by fastening hole 319, and enters fastener hole gap 352, with recessed Column 321 is fastened in slot 318.Or, though it is foreseeable that column 321 is not the separated component for being fastened to groove 318, But it is molded into the second arm section 312.When sleeve 320 is inserted among the second arm section 312, the first of column 321 Vertical surface 346 and the second side 326 of sleeve abut.In addition, the stop in the first vertical surface 346 of column 321 Part 350 covers the hole 338 of the second side 326 of sleeve 320.Vertical ribs in the second side 326 of sleeve 320 340,341 grooves 354 vertical with column 321 match, so that when sleeve vertically adjusts, are arranged in opsition dependent Retainer 350 its position is still maintained on hole 338.Supporting member 322 is by abutting against the first side 324 of sleeve 320 Vertical stripe object 362 be positioned on sleeve 320 so that wreath 360 is coated with sleeve 320.Column 321 is mounted on round In the space 366 of object end 364.Supporting member 322 is fixed among the second arm section 312, and function is limitation sleeve in tubulose Moving horizontally in supporter.

Height adjustment mechanism 304 includes actuating rod 368, and it includes operating member 370, locking component 372 and springs 374.In an example shown, operating member 370 is located at the top of actuating rod 368, and is generally perpendicular to the length of actuating rod 368 Shape part 378.As shown, operating member 370 is operating lever, however button or draw ring predictably can be used.Attachment What it is to operating member 370 is flange 380.What it is in the other side of flange 380 is the strut rail 382 with protrusion 384.When adjustable Mechanism 304 when being slideably meshed with armrest assembly 302, actuating rod 368 is positioned at the inside of sleeve 320, operating member 370 are located across 330 place of hole.One end of spring 374 is positioned on protrusion 384, and the opposite end of spring 374 is positioned over On the protrusion 386 of 306 lower section of plate.What it is positioned at the bottom (Figure 33) of actuating rod 334 is two chutes at an angle 388.Chute 388 prevents locking component 372 from dropping to the bottom of sleeve 320.On each chute 388, which is at least one, is in The surface of certain angle, preferably a pair of surface 390 at an angle.Between a pair of surface 390 at an angle It is inclined chock 392.

In Figure 28-30 the most best seen in, locking component 372 include tusk 394, selectively in column Retainer 390 on object 321 can be engaged matchingly.Locking component 372 further includes the inclination to match with inclined chock 392 Surface 396.Locking component 372 further includes at least a pair of, preferably two pairs lateral followers 398, releasedly with two Surface 390 at an angle is matchingly engaged.

Height adjustment mechanism 304 320 slidably mates in sleeve.When located at the lock position, machine is adjusted to height The locking component 372 of structure 304 is positioned so that the tusk 394 in locking component extends through the hole 338 of sleeve 320, and selects Match with the retainer 350 of column 321 to selecting property.Actuating rod 368 is located on locking component 372, inclined chock 392 It is matchingly engaged with inclined surface 396, and surface 390 at an angle is releasedly matched with lateral follower 398 Engage (Figure 31,32 and 32A) in ground.

For the height of vertically adjustable handrail, it is lifted up operating member 370, has compressed spring 374 therewith.Work as bullet Spring compresses, and the surface 390 at an angle of actuating rod 368 is lifted up, and is pressed on lateral follower 398, is made Tusk 394 is retracted within sleeve 320, to by locking component 372 from removed in the engaging of retainer 350 (Figure 33 and 33A).Once locking component 372 is separated from retainer 350, handrail vertically upward or can be regulated down to required height.

In order to engage locking piece 372 again, and armrest assembly is locked to selected position again, discharges operating member 370, to decompress the spring 374 at the top of actuating rod 368.The decompression of spring make inclined chock 392 slide and with It matchingly engages on inclined surface 396.(Figure 34,34A, 35 and 35A).With inclined chock 392 and 396, inclined surface It is engaged with ground, the tusk 394 of locking piece again extends through hole 338, and the selectively retainer with column 321 350 matchings.

Chair assembly is shown with multiple views, including stereogram (Figure 36), front view (Figure 37), the first side view (figure 38), the second side view (Figure 39), rearview (Figure 40), plan view from above (Figure 41), face upwarding view (Figure 42).It is regarded with multiple Figure shows a part for backrest module, including stereogram (Figure 43), front view (Figure 44), side view (Figure 45), rearview (figure And plan view from above (Figure 47) 46).An embodiment of regulation handle is shown with multiple views, including stereogram (Figure 48), side View (Figure 49), front view (Figure 50), vertical view (Figure 51) and upward view (Figure 52).

In specification above-mentioned, those skilled in the art is readily appreciated that the different parts and element of the present invention It is alternative to combine and the improvement of the present invention to deviate disclosed concept.This change can be considered as Among claim below, unless the sentence of these claims clearly states on the contrary.

Claims

1. back component comprising

Define the peripheral frame of the rigidity of central opening：With

Pliable coupler body is coupled to peripheral frame and at least part across central opening, wherein leaning on dorsal shield The first part of body is fixed on first position relative to peripheral frame, and the second part of coupler body is fixed relative to peripheral frame In the second position different from first position, the Part III of coupler body in place between first position and the second postion Three positions are restricted relative to the movement of peripheral frame at least one direction, and the Part IV of wherein coupler body exists The 4th position between the third place and the second position freely detaches in a forward direction from peripheral frame, wherein position The lateral part of coupler body within the Part IV is not secured to the lateral part of peripheral frame, to so that Realize that coupler body is maximum compatible and elastic on horizontal direction and rearwardly direction relative to peripheral frame.

2. back component according to claim 1, the first part of wherein coupler body are located adjacent to coupler body Top edge.

3. back component according to claim 1, the second part of wherein coupler body are located adjacent to coupler body Lower edge.

4. it is suitable for supports to take one's seat for back component according to claim 1, the wherein Part IV of coupler body User lumbar region.

5. back component according to claim 1, wherein at least one of peripheral frame and coupler body wrap Including hook member, at least one of another of peripheral frame and coupler body includes the slit for accommodating hook member, with It causes laterally to move in slit in hook, and can be around extending across the lateral shaft of peripheral frame width in slit Interior pivot.

6. back component according to claim 5, wherein hook member and slit cooperate, by coupler body Edge relative to peripheral frame the third place lateral displacement limitation to less than coupler body edge relative to periphery frame Lateral displacement of the frame in the 4th position.

7. back component according to claim 4, wherein at least one of peripheral frame and coupler body wrap Including hook member, at least one of another of peripheral frame and coupler body includes the slit for accommodating hook member, with It causes to move horizontally around the longitudinal axis for extending through hook member in slit in hook.

8. back component according to claim 7, wherein hook member and slit cooperate, by coupler body Edge relative to peripheral frame the third place lateral displacement limitation to less than coupler body edge relative to periphery frame Lateral displacement of the frame in the 4th position.

9. back component according to claim 5, wherein hook member and coupler body are integral.

10. back component according to claim 1, wherein the sports bag at least one direction of the third place It includes relative to peripheral frame forward direction.

11. chair assembly comprising

Suitable for the support component contacted with floor surface；

Seat assembly can be operatively coupled to support component and the user to take one's seat suitable for being supported on；

Back component comprising：

Define the peripheral frame of the rigidity of central opening：With

Pliable coupler body is coupled to peripheral frame and at least part across central opening, wherein leaning on dorsal shield The first part of body is fixed on first position relative to peripheral frame, and the second part of coupler body is fixed relative to peripheral frame In the second position different from first position, the Part III of coupler body in place between first position and the second postion Three positions are restricted relative to the movement of peripheral frame at least one direction, and wherein coupler body is positioned at third position The 4th position set between the second position freely detaches in a forward direction from peripheral frame, wherein being located at Part IV Within the lateral part of coupler body be not secured to the lateral part of peripheral frame, to so that realize coupler body phase It is maximum compatible and elastic on horizontal direction and rearwardly direction for peripheral frame.

12. the first part of chair assembly according to claim 11, wherein coupler body is located adjacent to coupler body Top edge.

13. the second part of chair assembly according to claim 11, wherein coupler body is located adjacent to coupler body Lower edge.

14. it is suitable for supports to take one's seat for chair assembly according to claim 11, the wherein Part IV of coupler body The lumbar region of user.

15. chair assembly according to claim 11, wherein at least one of peripheral frame and coupler body include At least one of another of hook member, peripheral frame and coupler body includes the slit for accommodating hook member, so that It can laterally be moved in slit in hook, and coupler body can be around the longitudinal axis pivot for extending through hook member Turn.

16. chair assembly according to claim 15, wherein hook member and slit cooperate, by coupler body Edge is relative to peripheral frame in the lateral displacement limitation of the third place to less than the edge of coupler body relative to peripheral frame Lateral displacement in the 4th position.

17. chair assembly according to claim 14, wherein at least one of peripheral frame and coupler body include At least one of another of hook member, peripheral frame and coupler body includes the slit for accommodating hook member, so that It can laterally be moved in slit in hook, and coupler body can be around the longitudinal axis pivot for extending through hook member Turn.

18. chair assembly according to claim 17, wherein hook member and slit cooperate, by coupler body Edge is relative to peripheral frame in the lateral displacement limitation of the third place to less than the edge of coupler body relative to peripheral frame Lateral displacement in the 4th position.

19. chair assembly according to claim 15, wherein hook member and coupler body are integral.

20. chair assembly according to claim 15, wherein the movement at least one direction of the third place includes Relative to peripheral frame forward direction.

21. chair assembly according to claim 11, further includes：

Lumbar support assemblies abut the Part IV of coupler body, and the lumbar region suitable for supporting the user to take one's seat.

22. chair assembly comprising：

Suitable for the support component contacted with floor surface；

Seat assembly can be operatively coupled to support component and the user to take one's seat suitable for being supported on；With

Back component comprising

Define the groove of the peripheral frame of the rigidity of central opening and at least part extension around central opening；With it is easy Curved coupler body is coupled to peripheral frame and at least part across central opening,

Wherein the first part of coupler body is fixed on first position relative to peripheral frame, and the second part of coupler body is opposite Be fixed on the second position different from first position in peripheral frame, coupler body positioned at first position and

The third place between the second position is restricted in a forward direction relative to peripheral frame, and wherein leans on dorsal shield The Part III of body makes coupler body have restricted compatibility relative to peripheral frame, and wherein coupler body is positioned at Within the groove of peripheral frame.

23. chair assembly according to claim 22, wherein coupler body are between the third place and the second position Movement of the 4th position relative to peripheral frame at least one direction be restricted.

24. the first part of chair assembly according to claim 22, wherein coupler body is located adjacent to coupler body Top, and the second part of wherein coupler body is located adjacent to the bottom of coupler body.

25. chair assembly according to claim 22, further groove extends around entire central opening.

26. chair assembly according to claim 22, wherein back component is between stand up position and obliquity It is mobile, and wherein moved between obliquity upright with backrest module, the Part III of coupler body is relative to periphery Frame moves.