WO2019065589A1 - Chaise - Google Patents

Chaise Download PDF

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Publication number
WO2019065589A1
WO2019065589A1 PCT/JP2018/035341 JP2018035341W WO2019065589A1 WO 2019065589 A1 WO2019065589 A1 WO 2019065589A1 JP 2018035341 W JP2018035341 W JP 2018035341W WO 2019065589 A1 WO2019065589 A1 WO 2019065589A1
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WO
WIPO (PCT)
Prior art keywords
pair
beams
rear direction
leg
seat
Prior art date
Application number
PCT/JP2018/035341
Other languages
English (en)
Japanese (ja)
Inventor
川崎　英二
Original Assignee
株式会社オカムラ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018043603A external-priority patent/JP7096017B2/ja
Application filed by 株式会社オカムラ filed Critical 株式会社オカムラ
Priority to CN201890001239.2U priority Critical patent/CN212591179U/zh
Publication of WO2019065589A1 publication Critical patent/WO2019065589A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C11/00—Benches not otherwise provided for
    • A47C11/005—Benches not otherwise provided for having multiple separate seats
    • 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
    • A47C1/12—Theatre, auditorium, or similar chairs
    • A47C1/124—Separate chairs, connectible together into a row
    • 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
    • A47C7/54—Supports for the arms
    • 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
    • A47C7/62—Accessories for chairs

Definitions

  • the present invention relates to a chair.
  • Priority is claimed on Japanese Patent Application No. 2017-187238, filed on Sep. 27, 2017, and Japanese Patent Application No. 2018-043603, filed on Mar. 9, 2018, the disclosure of which is incorporated herein by reference. The contents are incorporated herein.
  • Patent Document 1 a chair as shown in Patent Document 1 is known.
  • the chair comprises a seat having a seat and a support structure for supporting the seat, the support structure comprising a duct box.
  • the duct box is provided with a socket as a power supply unit, and a seated person can connect an electronic device or the like to the socket.
  • the present invention has been made in consideration of such circumstances, and provides a chair with improved installation workability of a cable connected to the insertion port while securing freedom of the layout of the insertion port and the seat. Intended to be provided.
  • the chair concerning one mode of the present invention is provided with the seat body which has a seat part, and the support structure which supports the seat body, and the support structure faces in the direction of order. And a storage space extending in the left-right direction is formed between the pair of beams, and at least a portion of the storage space is directed upward or downward. It is open.
  • the support structure for supporting the seat includes the pair of beams. For this reason, it is possible to arrange the seat and the socket at any position along the pair of beams, and it is possible to secure the freedom of the layout of the socket and the seat.
  • a housing space formed between a pair of beams opens upward or downward. Therefore, the cable can be easily accommodated in the accommodation space through the opening of the accommodation space, and the installation workability can be improved.
  • the support structure may include an anteroposterior positioning mechanism that positions the pair of beams in the anteroposterior direction.
  • the front-rear positioning mechanism has a pair of contact parts that contact the outer peripheral surface of the pair of beams from the outside in the front-rear direction, and a connection part that connects the pair of contact parts. It is also good.
  • the position of the pair of beams in the front-rear direction can be easily stabilized by the pair of contact portions connected to each other being in contact with the pair of beams from the outside in the front-rear direction.
  • the chair of the said aspect is further provided with the leg installed in a floor surface, the said leg has the said pair of contact parts and the said connection part, and the said pair of beams are mounted on the said connection part. It may be placed.
  • the support structure may include a left and right positioning mechanism that determines the position of the seat body in the left and right direction with respect to the pair of beams.
  • the left and right positioning mechanism protrudes downward, and at least a portion thereof protrudes upward in the housing space, and protrudes upward, and at least a portion thereof protrudes in the housing space.
  • the upper and lower convex portions may be engaged with each other to determine the position of the seat relative to the pair of beams in the lateral direction.
  • the left and right positioning mechanism is positioned in the housing space and is not exposed to the outside, the aesthetics of the entire chair can be improved.
  • a locking recess may be formed in one of the upper and lower convex portions, and a locking protrusion inserted in the locking recess may be formed in the other.
  • the left and right positioning mechanism which is positioned in the housing space and determines the position in the left and right direction of the seat, with a simple structure.
  • the chair of the above aspect further includes an optional member disposed adjacent to the seat body, the optional member being provided with a socket for connecting a cable, and the pair of beams are provided by the socket
  • the cable connected to may be configured to be accommodated in the accommodation space.
  • the seated person can easily use the electronic device It becomes. Furthermore, the entire chair can be made compact as compared with the case where a duct box or the like is separately provided, for example, and the insertion port is formed in the duct box or the like.
  • the optional member may be an armrest having a load supporting surface facing substantially upward, and the insertion port may be disposed below the load supporting surface.
  • FIG. 7 It is a perspective view of a chair concerning a 1st embodiment. It is an II-II cross section arrow line view of FIG. It is an enlarged view of FIG. It is an IV-IV cross section arrow line view of FIG. It is sectional drawing of the chair which concerns on 2nd Embodiment. It is sectional drawing of the chair which concerns on 3rd Embodiment. It is sectional drawing of the chair which concerns on 4th Embodiment. It is a perspective view of the leg of FIG. It is a half longitudinal cross-sectional view of the leg of FIG. It is the perspective view which looked at the connection member of FIG. 7 from upper direction. It is the perspective view which looked at the connection member of FIG. 7 from the downward direction.
  • the chair 1 includes a seat 2 having a seat 2a and a backrest 2b, an armrest (optional member) 3 disposed adjacent to the seat 2, a seat 2 and an armrest 3 And a supporting structure 4A for supporting.
  • the chair 1 shown in FIG. 1 includes a plurality of seat bodies 2 arranged side by side and a plurality of armrests 3 respectively disposed on both sides of each seat body 2.
  • the number of the seat 2 and the armrest 3 may be changed as appropriate.
  • a part of the plurality of seats 2 may be replaced with a table or the like.
  • the seat 2 may not have the backrest 2b.
  • part or all of the armrest 3 may be replaced with another optional member (for example, a table or the like).
  • FIG. 2 is a sectional view taken along the line II-II in FIG. In FIG. 1 and FIG. 2, in a state where a seated person using the chair 1 is seated, the longitudinal direction of the seated person is referred to as the longitudinal direction of the chair 1, and the Y axis direction corresponds to the longitudinal direction. In the same state, the left and right direction of the seated person is referred to as the left and right direction of the chair 1, and the X axis direction corresponds to the left and right direction. Also, the Z direction indicates the vertical direction. Further, as shown in FIG.
  • the support structure 4A has a substantially line symmetrical structure with an axis O extending in the vertical direction as a symmetry axis when viewed from the left and right direction.
  • the side toward the axis O may be referred to as the front-rear direction inner side
  • the side away from the axis O may be referred to as the front-rear direction outer side.
  • the front-rear direction coincides with the opposing direction in which a pair of beams 10 described later oppose each other.
  • the plurality of seat bodies 2 are arranged side by side in the left-right direction.
  • a gap is opened between the adjacent seat bodies 2 and the armrest 3 is disposed in the gap.
  • the armrest 3 has an annular arm body 3c.
  • the armrest main body 3c is disposed such that the opening is in the left-right direction.
  • the armrest main body 3c has a load supporting surface 3d that faces substantially upward, and a seated person can place an arm or the like on the load supporting surface 3d.
  • a box 3b is provided inside a part of the armrest main body 3c, and an insertion port 3a is provided on the front of the box 3b. In the box 3b, terminals connected to the insertion port 3a are accommodated.
  • the insertion port 3a is connected to a cable to be described later via terminals in the box 3b.
  • the insertion port 3a is disposed below the load bearing surface 3d.
  • the insertion ports 3 a are provided in some of the armrests 3, but the insertion ports 3 a may be provided in all the armrests 3. Moreover, the shape of the armrest 3 and the position of the insertion port 3a can be changed suitably. Moreover, when replacing with the armrest 3 and employ
  • the support structure 4A includes a pair of beams 10 spaced in the front-rear direction, a leg 20 for supporting the pair of beams 10 from below, and a connecting member 30.
  • a pair of clamp members 40, a first fixing member 51, a second fixing member (contacting portion) 52, and a third fixing member (contacting portion) 53 are provided.
  • a cap C that covers the respective end surfaces of the pair of beams 10 is attached.
  • the leg 20 is installed on the floor and supports the seat body 2 via the pair of beams 10, the connection member 30, and the pair of clamp members 40.
  • an adjuster A is provided to adjust the tilt or the like of the support structure 4A.
  • the lower surface of the adjuster A contacts the floor surface.
  • the first fixing member 51, the second fixing member 52, and the third fixing member 53 fix the pair of beams 10 to the leg 20.
  • the connection member 30 is fixed to the frame 2 c of the seat 2 and protrudes downward from the lower surface of the seat 2.
  • the pair of clamp members 40 connect the connection member 30 and the pair of beams 10.
  • FIG. 3 is an enlarged view around the beam 10 of FIG.
  • the leg 20 includes a front leg 21, a rear leg 22 disposed rearward in the front-rear direction with respect to the front leg 21, and an upper end and a rear leg 22 of the front leg 21. And a connecting portion 23 connecting the upper ends of the two.
  • the legs 20 are formed by die casting using aluminum or the like as a raw material.
  • the manufacturing method of the leg 20 can be changed suitably.
  • the leg 20 has a substantially line symmetrical shape with the axis O as a symmetry axis when viewed from the left and right direction.
  • the front leg 21 is located forward of the pair of beams 10, and the rear leg 22 is located rearward of the pair of beams 10.
  • the front legs 21 gradually extend forward as going downward.
  • the rear legs 22 gradually extend rearward as going downward.
  • a front leg recess 21a recessed rearward from the front of the front leg 21 and a screw hole 21b opened at the bottom of the front leg recess 21a are formed.
  • the front leg recess 21 a is open at the front of the leg 20 and at the upper end of the leg 20.
  • a rear leg concave portion 22a which is recessed forward from the rear surface of the rear leg portion 22 and a screw hole 22b which is opened at the bottom surface of the rear leg concave portion 22a are formed.
  • the rear leg recess 22 a is open at the rear surface of the leg 20 and at the upper end of the leg 20.
  • the connecting portion 23 is located between the front leg 21 and the rear leg 22 and extends in the front-rear direction. At a front end portion of the connecting portion 23, a front side projecting portion 24 which protrudes upward is formed. The front protrusion 24 is provided at different positions in the left-right direction with respect to the front leg recess 21 a and the screw hole 21 b. At the rear end portion of the connecting portion 23, a rear side protruding portion 25 which protrudes upward is formed. The rear side protrusion 25 is provided at a different position in the left-right direction with respect to the rear leg recess 22 a and the screw hole 22 b.
  • the upper surface of the connecting portion 23 is a mounting surface 23 a on which the pair of beams 10 are mounted.
  • the mounting surface 23 a is a flat surface extending in the front-rear direction.
  • a counterbore 23b is formed which penetrates the connecting portion 23 in the vertical direction.
  • the large diameter portion of the counterbore 23b opens downward, and the small diameter portion of the counterbore 23b opens upward.
  • a bolt (fastening member) B1 is inserted from below.
  • the pair of beams 10 are opposed to each other in the front-rear direction, and are spaced apart in the front-rear direction.
  • the pair of beams 10 are formed in a substantially line symmetrical shape with the axis O as a symmetry axis when viewed from the left and right direction.
  • the pair of beams 10 is formed by extrusion using aluminum or the like as a raw material.
  • Each beam 10 includes the mounting portion 11 mounted on the mounting surface 23 a of the leg 20, the clamped portion 13 clamped by the pair of clamp members 40, and the mounting portion 11 and the clamped portion 13. And a connecting portion 12 to be connected.
  • Lightening holes extending in the left-right direction are formed in the mounting portion 11, the connection portion 12, and the clamped portion 13, respectively. The shape and number of the lightening holes may be changed as appropriate.
  • the mounting unit 11 is located at the lower end of the beam 10.
  • the mounting portion 11 protrudes inward in the front-rear direction from the connection portion 12.
  • the lower surface 11a of the placement unit 11 is in contact with the placement surface 23a.
  • An upper surface of a portion on the inner side in the front-rear direction in the placement unit 11 is a first contact surface 11 f that contacts and presses the first fixing member 51.
  • the first contact surface 11 f in the present embodiment extends in the front-rear direction.
  • the position of the beam 10 in the vertical direction is determined by pressing the first contact surface 11 f toward the leg 20 by the first fixing member 51.
  • a lower locking recess 11e is formed which is recessed outward in the front-rear direction.
  • the first inclined surface 11b extending downward from the end of the lower surface 11a to the upper side and the upper end to the upper end of the first inclined surface 11b in the front-rear direction outer portion of the mounting portion 11 And a second contact surface 11c extending upward from the portion.
  • the first inclined surface 11 b gradually extends outward in the front-rear direction as it goes upward.
  • the second contact surface 11c gradually extends inward in the front-rear direction as it goes upward.
  • a gap is formed between the first inclined surface 11 b and the leg 20.
  • the second contact surface 11 c is in contact with the second fixing member 52.
  • connection portion 12 is located at the center of the beam 10 in the vertical direction.
  • the connecting portion 12 generally extends inward in the front-rear direction gradually toward the upper side.
  • the second inclined surface 12a facing downward and continuing to the second contact surface 11c, and the third inclined surface 12b facing upward facing and communicating with the second inclined surface 12a It is formed.
  • the second inclined surface 12a extends outward in the front-rear direction gradually as it goes upward, and the third inclined surface 12b extends inward in the front-rear direction gradually as it moves upward.
  • a gap is formed between the second inclined surface 12 a and the leg 20.
  • the clamped portion 13 is located at the upper end of the beam 10.
  • the to-be-clamped portion 13 faces downward, a third contact surface 13a which is pressed in contact with the clamp member 40, and a fourth contact surface 13b which faces upward and contacts the connection member 30 to support the connection member 30.
  • the third contact surface 13 a is located at an end on the outer side in the front-rear direction of the clamped portion 13.
  • the third contact surface 13a is continuous with the upper end portion of the third inclined surface 12b, and gradually extends outward in the front-rear direction as it goes upward.
  • the fourth contact surface 13 b is located at the upper end of the clamped portion 13.
  • the fourth contact surface 13b is continuous with the upper end of the third contact surface 13a, and gradually extends inward in the front-rear direction as it goes upward.
  • an upper locking recess 13d which is recessed outward in the front-rear direction is formed.
  • the upper locking recess 13 d is disposed at the lower end portion of the upper inner end surface 13 c of the clamped portion 13.
  • the outer peripheral surface of the beam 10 is the first contact surface 11 f, the lower inner end surface 11 d, the lower surface 11 a, the first inclined surface 11 b, the second contact surface 11 c, the second inclined surface 12 a, the third inclined surface 12b, a third contact surface 13a, a fourth contact surface 13b, and an upper inner end surface 13c.
  • connection member 30 is attached to the lower surface of the seat 2 and disposed between the pair of beams 10 and the seat 2.
  • the connection member 30 is formed by die casting using aluminum or the like as a raw material.
  • the connection member 30 is formed in a substantially line symmetrical shape with the axis O as a symmetry axis when viewed from the left and right direction.
  • the width in the left-right direction of the connection member 30 is smaller than the width in the left-right direction of the seat body 2.
  • the connection member 30 protrudes downward from the center portion in the front-rear direction of the middle portion 32 and the fixing portion 31 fixed to the frame 2 c of the seat body 2, the middle portion 32 located between the pair of clamp members 40 and And an upper convex portion 33.
  • the middle portion 32 and the upper convex portion 33 are located below the seat body 2.
  • the width of the upper convex portion 33 in the left-right direction is substantially equal to the width of the fixed portion 31 and the middle portion 32 in the left-right direction.
  • the fixing portion 31 is formed in a plate shape extending in the front-rear direction and the left-right direction.
  • the fixing portion 31 is fixed to the frame 2 c of the seat body 2 by a plurality of bolts B 4 and B 5, whereby the connection member 30 is attached to the seat body 2.
  • the connection member 30 has an opposing surface 32 a facing the clamp member 40 at intervals in the front-rear direction.
  • the opposing surface 32 a is an end surface of the middle portion 32 on the outer side in the front-rear direction, and gradually extends outward in the front-rear direction as it goes downward.
  • a recess 32b that is recessed inward in the front-rear direction is formed.
  • the concave portion 32 b is continuous with the lower surface of the fixing portion 31 and is formed in a curved surface shape protruding inward in the front-rear direction when viewed from the left-right direction.
  • the recess 32 b is in contact with the protrusion 41 of the clamp member 40.
  • a gap is formed between the facing surface 32 a and the clamp member 40.
  • the lower end surface 32 c of the middle portion 32 is in contact with the fourth contact surface 13 b of the beam 10.
  • connection member 30 is supported by the beam 10 from below.
  • the upper side convex part 33 is located between each to-be-clamped part 13 of a pair of beam 10 among accommodation space S mentioned later.
  • the upper convex portion 33 is formed in a rectangular shape longer in the vertical direction than in the front-rear direction when viewed from the left-right direction.
  • the upper convex portion 33 extends in the left-right direction.
  • the pair of clamp members 40 are spaced apart in the front-rear direction, and are located between the pair of beams 10 and the seat 2.
  • the pair of clamp members 40 sandwich the intermediate portion 32 of the connection member 30 in the front-rear direction.
  • the outer shapes of the pair of clamp members 40 are formed substantially in line symmetry with each other with the axis O as a symmetry axis.
  • each clamp member 40 is formed by die casting using aluminum or the like as a raw material.
  • Each clamp member 40 has a convex portion 41 that protrudes inward in the front-rear direction.
  • the convex portion 41 is located at the upper end portion of the clamp member 40.
  • the convex portion 41 is formed in a curved surface shape that protrudes inward in the front-rear direction when viewed from the left-right direction.
  • the protrusion 41 is located in the recess 32 b of the connection member 30.
  • the convex part 41 is in contact with the inner surface of the recessed part 32b, and is arrange
  • a gap of substantially uniform width is formed between the inner end surface 42 of the clamp member 40 and the opposing surface 32 a of the connection member 30.
  • sandwiching portions 43 for sandwiching the respective clamped portions 13 of the pair of beams 10 in the front-rear direction are formed.
  • the sandwiching portion 43 has a sandwiching surface 43 a in contact with the third contact surface 13 a of the beam 10.
  • the holding surface 43a is an end surface on the inner side in the front-rear direction of the holding portion 43, is directed upward, and extends gradually inward in the front-rear direction as it goes downward.
  • a gap in the vertical direction is formed between the sandwiching portion 43 and the third inclined surface 12 b of the beam 10. That is, the sandwiching portion 43 is separated upward with respect to the connection portion 12.
  • An outer end surface 44 on the outer side in the front-rear direction of the clamp member 40 gradually extends inward in the front-rear direction as it goes downward.
  • a counterbore 45 is formed in the clamp member 40 located at the rear, and a screw hole 46 is formed in the clamp member 40 located at the front.
  • the counterbore 45 passes through the clamp member 40 located in the rear direction in the front-rear direction.
  • the large diameter portion of the counterbore 45 opens rearward, and the small diameter portion of the counterbore 45 opens forward.
  • the screw hole 46 extends in the front-rear direction, and opens in the inner end surface 42 of the clamp member 40 located at the front.
  • the counterbore 45 and the screw hole 46 are located below the convex portion 41.
  • One bolt B6 is attached to the counterbore 45 and the screw hole 46.
  • the bolt B6 is inserted from the rear into the counterbore 45, traverses the middle portion 32 of the connection member 30 in the front-rear direction, and is screwed into the screw hole 46.
  • a through hole for inserting the bolt B6 may be formed, and a groove or the like for avoiding interference with the bolt B6 may be formed.
  • the upper end portion of the first fixing member 51 is formed with a flange portion 51 a that protrudes outward in the front-rear direction.
  • a screw hole 51b extending in the vertical direction is formed in the first fixing member 51.
  • the screw holes 51 b are opened in the lower surface of the first fixing member 51.
  • the second fixing member 52 and the third fixing member 53 are each formed in a plate shape.
  • a counterbore 52 a is formed in the second fixing member 52, and a counterbore 53 a is formed in the third fixing member 53.
  • the large diameter portion of the counterbore 52a of the second fixing member 52 opens forward and upward, and the small diameter portion of the counterbore 52a opens rearward and downward.
  • the large diameter portion of the counterbore 53a of the third fixing member 53 is open rearward and upward, and the small diameter portion of the counterbore 53a is open forward and downward.
  • the second fixing member 52 is disposed in the front leg recess 21 a of the front leg portion 21, and the third fixing member 53 is disposed in the rear leg recess 22 a of the rear leg portion 22.
  • the second fixing member 52 is fixed to the front leg 21 by a bolt B2
  • the third fixing member 53 is fixed to the rear leg 22 by a bolt B3.
  • the outer surface of the second fixing member 52 extends along the front surface of the front leg 21.
  • the outer surface of the third fixing member 53 extends along the rear surface of the rear leg 22.
  • the accommodation space S which can accommodate a cable is formed between a pair of beam 10 comrades. That is, the pair of beams 10 is configured to accommodate the cable in the accommodation space S.
  • a cable accommodated in accommodation space S a power cable, an optical fiber cable, a telephone cable etc. are employable, for example.
  • the accommodation space S extends in the left-right direction.
  • the housing space S is partially closed by the connection member 30, the leg 20, or the upper cover 61 or the lower cover 62 described later, but at least partially opens upward.
  • the cable housed in the housing space S is connected to the socket 3 a of the armrest 3.
  • the opening directed to the upper side of the accommodation space S is used to introduce a cable from the interior of the accommodation space S into the armrest 3.
  • the accommodation space S may be opened downward.
  • the end of the cable can be introduced to the floor surface through the downward opening of the accommodation space S. That is, the housing space S may be opened upward or downward.
  • the space between the placement portions 11 and the space between the clamped portions 13 are also included in the accommodation space S.
  • the insertion port 3a when the power cable is accommodated in the accommodation space S, the insertion port 3a is an outlet, and when the optical fiber cable is accommodated in the accommodation space S, the insertion port 3a is a LAN port or the like.
  • a plurality of insertion ports 3a may be provided between the seat bodies 2 and the types of the plurality of insertion ports 3a may be different from each other.
  • the socket 3a, which is an outlet, and the socket 3a, which is a LAN port may be provided in parallel to the armrest 3.
  • you may accommodate not only a cable-like article but other articles in accommodation space S.
  • FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1, and is a view of a portion where the leg 20 is not located in the left-right direction.
  • the upper cover 61 has a top wall 61a covering the upper opening of the accommodation space S, a pair of upper locking pieces 61b extending downward from the top wall 61a, and a front and rear direction outer side from the lower end of the upper locking piece 61b.
  • the lower cover 62 has a bottom wall 62a covering the lower opening of the accommodation space S, a pair of lower locking pieces 62b extending upward from the bottom wall 62a, and an upper end of the lower locking piece 62b. And a lower locking projection 62c projecting outward in the front-rear direction.
  • the upper cover 61 and the lower cover 62 are formed of an elastically deformable material such as resin or rubber.
  • the upper locking protrusion 61c is locked to the upper locking recess 13d, and the lower locking protrusion 62c is locked to the lower locking recess 11e.
  • the cable in the accommodation space S can be prevented from being visually recognized from the outside, and the aesthetics of the chair 1 can be improved.
  • the lower cover 62 By using the lower cover 62, drooping of the cable in the accommodation space S can be prevented.
  • the chair 1 may not have the upper cover 61 and the lower cover as described above. Even in this case, the cable can be positioned in the housing space S by placing the cable on a portion of the first contact surface 11 f of the beam 10 that is not covered by the first fixing member 51, for example.
  • the leg 20, the second fixing member 52, and the third fixing member 53 function as a longitudinal positioning mechanism that determines the position of the pair of beams 10 in the longitudinal direction. Further, the connecting portion 23 of the leg 20 has a role of connecting the second fixing member 52 and the third fixing member 53.
  • the pair of beams 10 is fixed to the leg 20 to stabilize the position and posture of the pair of beams 10. Can. Thereby, the shape and size of the opening of the accommodation space S are stabilized, and the workability at the time of accommodating the cable in the accommodation space S can be improved.
  • connection member 30 and the seat 2 structurally integrate.
  • the seat body 2 can slide in the lateral direction with respect to the beam 10.
  • the weights of the connecting member 30 and the seat body 2 are supported by the fourth contact surfaces 13 b of the pair of beams 10.
  • the connection members 30 supported by the fourth contact surface 13 b and the fourth contact surfaces 13 b of the pair of beams 10 are inclined so as to be symmetrical to each other with respect to the axis O when viewed from the left and right direction. The posture of the seat 2 is stabilized.
  • the position and posture of the seat 2 at the time of attaching the seat 2 to the support structure 4A become stable, and the attachment workability is improved. Further, by sliding the seat body 2 relative to the beam 10 before fixing the seat body 2 by the clamp member 40, the position of the seat body 2 in the left-right direction can be easily adjusted.
  • a pair of clamp members 40 are disposed so as to clamp the connection member 30 in the front and rear direction, and the tip end of the bolt B6 is inserted into the counterbore 45 of the rear clamp member 40 while inserting the bolt B6 into the counterbore 45 of the rear clamp member 40.
  • the screw hole 46 is tightened, the pair of clamp members 40 are drawn inwardly in the front-rear direction. At this time, the convex portions 41 of the pair of clamp members 40 are pressed against the concave portions 32 b of the connection member 30.
  • each clamp member 40 has the holding portion 43 with the convex portion 41 as a rotation center and directed inward in the front-rear direction The rotational force to move is applied.
  • the holding surface 43 a of each holding portion 43 is pressed against each third contact surface 13 a of the pair of beams 10 by this rotational force.
  • the convex part 41 and the concave part 32b are both curved surface shape, the clamp member 40 can be smoothly rotated centering on the convex part 41, and the above-mentioned rotational force is efficiently converted to the pressing force of the clamping surface 43a. .
  • the pair of clamp members 40 functions as an upper clamping mechanism that clamps the clamped portion 13 positioned at the upper end of the pair of beams 10. Further, the pair of clamp members 40 functions as a connection mechanism for connecting the pair of beams 10 and the connection member 30 to each other by sandwiching the upper end portions of the pair of beams 10 and the connection member 30.
  • the clamping member 40 and the connecting member 30 may move upward with respect to the beam 10, since the clamping surface 43a and the third contact surface 13a both gradually extend inward in the front-rear direction as going downward. It is suppressed.
  • the lower end surface 32c of the intermediate portion 32 of the connection member 30 and the fourth contact surface 13b of the beam 10, the convex portion 41 of the clamp member 40 and the concave portion 32b of the connection member 30, and the sandwiching portion 43 of the clamp member 40 The clamped portions 13 of the beam 10 are pressed together.
  • the beam 10, the connection member 30, and the clamp member 40 are fixed to one another and structurally integrated with the leg 20.
  • the housing space S between the pair of beams 10 is open upward and downward except for the portion covered by the connection member 30 or the leg 20. Therefore, the cable can be easily accommodated in the accommodation space S from the upward opening or the downward opening of the accommodation space S.
  • the installation workability of the chair 1 can be improved. Moreover, it is possible to arrange the seat body 2 and the insertion port 3a at any position along the pair of beams 10, and it is possible to secure the freedom of the layout of the insertion port 3a and the seat body 2.
  • the opening of the housing space S can be appropriately closed.
  • the position and the size of the opening of the accommodation space S can be easily changed, for example, by changing the position and the length of the upper cover 61 or the lower cover 62 in the left-right direction. According to this configuration, it is possible to make the wiring of the cable inconspicuous, and to suppress the cable from hanging down from the lower opening of the accommodation space S.
  • the pair of beams 10, the connection member 30, and the pair of clamp members 40 are fixed to each other, and are structurally integrated with the leg 20.
  • the rigidity of the support structure 4A is secured. Therefore, when the user is seated on the seat body 2, for example, the frame 2 c of the seat body 2 and the connection member 30 can be prevented from being inclined backward with respect to the leg 20.
  • the height of the seat body 2 can be easily changed suitably by changing the length in the up-down direction of the fixing
  • the insertion opening 3a is disposed below the load support surface 3d of the armrest 3, when the seated person places the arm on the load support surface 3d, the insertion opening 3a and the electronic device It is suppressed that the wiring to connect hits a seater's arm.
  • the first contact surface 11f of the beam 10 is directed upward as viewed in the left-right direction, and gradually extends inward in the front-rear direction as it goes downward. It is inclined in a straight line.
  • the first fixing member 54 of the present embodiment is formed in a substantially square pyramid shape, has a tapered surface 54 a that is directed downward and extends rectilinearly inward in the front-rear direction as it goes downward. .
  • the second contact surface 11 c of the beam 10 contacts the front protrusion 24 or the rear protrusion 25 to determine the position of the beam 10 in the front-rear direction. That is, the front protrusion 24 and the rear protrusion 25 of the present embodiment function as a pair of contact portions that contact the outer peripheral surface of the beam 10 from the outside in the front-rear direction. Further, the connecting portion 23 of the leg 20 connects the front side projecting portion 24 and the rear side projecting portion 25 which are a pair of contact portions. In the front side projection 24 and the rear side projection 25 of the present embodiment, leg side contact surfaces 24 a and 25 a are formed to extend gradually inward in the front-rear direction as they go upward. The leg-side contact surfaces 24 a and 25 a respectively face the second contact surfaces 11 c of the pair of beams 10 in the vertical direction and the front-rear direction.
  • the upper locking recess 13 d is disposed at the central portion in the vertical direction of the clamped portion 13
  • the lower locking recess 11 e is disposed at the central portion in the vertical direction of the mounting portion 11.
  • the lengths of the upper locking piece 61b of the upper cover 61 and the lower locking piece 62b of the lower cover 62 are appropriately changed in accordance with the positions of the upper locking recess 13d and the lower locking recess 11e. Be done.
  • the tapered surface 54a and the first contact surface 11f gradually extend inward in the front-rear direction as it goes downward, so that when the first fixing member 54 is drawn downward, the pair of beams 10 are each outside in the front-rear direction
  • the force to work on The force directed outward in the front-rear direction separates the pair of beams 10 from each other, and presses the second contact surfaces 11 c of the beams 10 against the leg contact surfaces 24 a and 25 a of the leg 20.
  • downward force also acts on the pair of beams 10.
  • the downward force presses the pair of beams 10 against the connecting portion 23.
  • the leg 20 and the first fixing member 54 function as an anteroposterior positioning mechanism that determines the position of the pair of beams 10 in the anteroposterior direction.
  • the front protrusion 24 and the rear protrusion 25 of the leg 20 function as a lower gripping mechanism that clamps the clamped portion 13 located at the lower end of the pair of beams 10 from the front and rear direction outside.
  • the first fixing member 54 functions as a separation mechanism that separates the pair of beams 10 in the front-rear direction and presses the beams 10 on the front side protrusion 24 and the rear side protrusion 25.
  • the leg 20 and the first fixing member 54 support the pair of beams 10 while determining the position of the pair of beams 10 in the front-rear direction. it can. Thereby, the number of parts of the chair 1 can be reduced, and the installation workability can be further improved. Further, the upper end portion of the beam 10 is clamped by a pair of clamp members 40 which are upper clamping mechanisms, and the lower end portion of the beam 10 is clamped by the front projection 24 and the rear projection 25 which are lower clamping mechanisms.
  • the adhesion between the beam 10 and the clamp member 40, and the beam 10 and the leg 20 is enhanced, and the support structure 4B is obtained.
  • the rigidity of can be further enhanced.
  • FIG. 6 a third embodiment according to the present invention will be described using FIG. 6, but the basic configuration is the same as the first embodiment and the second embodiment. Therefore, the same components as those in the first embodiment or the second embodiment are denoted by the same reference numerals, and descriptions thereof will be omitted. Only different points will be described.
  • the structure for connecting the connecting member 30 to the pair of beams 10 is different from that of the second embodiment.
  • the counterbore holes 47 are respectively formed in the pair of clamp members 40.
  • the counterbore 47 penetrates the clamp member 40 in the front-rear direction, and extends upward as it goes inward in the front-rear direction.
  • the large diameter portion of each counterbore 47 is open to the outside in the front-rear direction, and the small diameter portion of each counterbore 47 is opened to the inside in the front-rear direction.
  • the convex part 41 of each clamp member 40 has the planar contact surface 41a.
  • the contact surface 41a is directed upward and gradually extends inward in the front-rear direction as it goes downward.
  • the normal (not shown) of the contact surface 41 a extends gradually upward as it goes inward in the front-rear direction.
  • the recess 32 b is not formed in the connection member 30, and the contact surface 41 a of the protrusion 41 is in contact with the opposing surface 32 a of the connection member 30.
  • the opposing surfaces 32a on the front and rear sides of the connecting member 30 gradually extend downward as advancing inward in the longitudinal direction, and screw holes 32d are formed in each of the opposing surfaces 32a.
  • the normals (not shown) of the respective opposing surfaces 32a gradually extend upward as they go inward in the front-rear direction.
  • Each screw hole 32d extends upward as it goes inward in the front-rear direction.
  • the normal line (not shown) at the third contact surface 13a of the beam 10 extends upward as it goes inward in the front-rear direction.
  • the normal (not shown) of the holding surface 43a of the clamp member 40 also gradually extends upward as it goes inward in the front-rear direction.
  • the lines all extend in the same direction.
  • FIGS. 7 to 10 a fourth embodiment of the present invention will be described with reference to FIGS. 7 to 10, but the basic configuration is the same as that of the third embodiment. Therefore, the same components as those of the third embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only different points will be described. As shown in FIG. 7, in the support structure 4D of the present embodiment, the shapes of the beam 10, the leg 20, the connection member 30, the clamp member 40, and a part of the first fixing member 54 are the same as those of the third embodiment. It is different.
  • the mounting surface 23a of the leg 20 is formed with two protrusions 23c that project upward.
  • the two protrusions 23 c are spaced apart in the front-rear direction. As shown in FIG. 8, the two protrusions 23 c are located at the center in the left-right direction of the placement surface 23 a.
  • the front leg 21, the rear leg 22, the front protrusion 24, and the rear protrusion 25 are formed with lightening portions for weight reduction.
  • fitting holes 10 a are formed in the pair of beams 10 so as to penetrate through the mounting portion 11 in the vertical direction.
  • Each fitting hole 10 a is fitted to the protrusion 23 c of the leg 20. Thereby, the positional relationship between the leg 20 and the pair of beams 10 is determined.
  • the connecting member 30 is formed with a lightening portion for weight reduction.
  • the first fixing member 54 is formed with a lower convex portion 54 c which protrudes upward and at least a part of which is positioned in the accommodation space S.
  • a locking convex portion 54d that protrudes further upward is formed.
  • the width of the locking protrusion 54 d is smaller than the width of the lower protrusion 54 c.
  • a step facing upward is formed at the connection portion of the lower convex portion 54c and the locking convex portion 54d, and the step is vertically opposed to the lower surface of the upper convex portion 33.
  • the locking projection 54d is formed in a cylindrical shape.
  • a locking recess 33a that is recessed upward is formed.
  • the locking recess 33 a is located at the center of the upper protrusion 33 in the left-right direction.
  • the locking recess 33a is formed in a round hole shape (see FIG. 10B).
  • a locking projection 54d is inserted into the locking recess 33a. For this reason, the position of the latching convex part 54d with respect to the latching recessed part 33a with respect to the latching recessed part 33a is decided.
  • the position in the left and right direction of is determined. That is, the lower convex portion 54c having the locking convex portion 54d and the upper convex portion 33 having the locking concave portion 33a constitute a left-right positioning mechanism that determines the position of the seat body 2 with respect to the pair of beams 10 in the left-right direction. There is.
  • the support structure 4D By providing the support structure 4D with such a left and right positioning mechanism, the attachment operation when attaching the seat body 2 to the pair of beams 10 is facilitated.
  • the locking projection 54d may not necessarily be inserted into the locking recess 33a. That is, when attaching the seat 2 to the pair of beams 10, the left and right positioning mechanism may or may not be used.
  • the left and right positioning mechanism When the left and right positioning mechanism is used, the mounting operation is facilitated as described above, and when it is not used, the degree of freedom of the position (layout) of the seat 2 relative to the leg 20 in the left and right direction can be enhanced. As described above, in the present embodiment, it is possible to appropriately select whether to improve the mounting workability of the seat body 2 or to improve the freedom of the layout.
  • the left-right positioning mechanism is located in the accommodation space S and is not exposed outside, the beauty of the whole chair 1 can be improved. Further, the left and right positioning mechanism positioned in the accommodation space S can be realized with a simple structure by the lower side convex portion 54c having the locking convex portion 54d and the upper side convex portion 33 having the locking concave portion 33a.
  • the support structures 4A to 4D have a substantially line symmetrical shape with the axis O as a symmetry axis, but the support structures 4A to 4D may not have a line symmetrical shape.
  • the side toward the housing space S is referred to as the front-rear direction inner side along the front-rear direction, and the side away from the housing space S is referred to as the front-rear direction outer side.
  • a part of the accommodation space S is opened upward, but the invention is not limited thereto, and at least a part of the accommodation space S may be opened upward or downward.
  • the cable may be introduced into the accommodation space S through an opening directed downward of the accommodation space S, and the cable may be connected to a member having a wire connection port provided on the front side of the beam 10.
  • the positional relationship between the locking recess 33a and the locking protrusion 54d may be reversed. That is, a locking recess may be formed in the lower protrusion 54 c, and the locking protrusion inserted in the locking recess may be formed in the upper protrusion 33.
  • the shapes of the locking convex portion 54d and the locking concave portion 33a are not limited to the cylindrical shape and the round hole shape, and may be appropriately changed.
  • the locking projection 54d may be formed in a prismatic shape
  • the locking recess 33a may be formed in a square hole shape.
  • a regulating portion may be formed which regulates the movement of the locking protrusion 54d in the left and right direction.
  • the restricting portion may be a protrusion that protrudes in the front-rear direction from the opening edge of the left and right end portions of the locking recess 33a.
  • the restricting portion may be a wall portion closing the opening at both left and right end portions of the locking recess 33a.
  • the bolts B1 to B8 may be normal bolts having a cross groove or a hexagonal hole or the like, or may be a so-called hex lobe.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'invention concerne une chaise (1) pourvue d'un corps de siège (2) comportant une partie de siège (2a), et d'une structure de support (4A) qui soutient le corps de siège (2). La structure de support (4A) comporte une paire de barres (10) disposées de façon à se trouver en regard l'une de l'autre dans la direction avant-arrière. Un espace de logement (S) qui s'étend dans la direction gauche-droite est formé entre la paire de barres (10), et au moins une partie de l'espace de réception (S) est ouverte vers le haut ou vers le bas.
PCT/JP2018/035341 2017-09-27 2018-09-25 Chaise WO2019065589A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201890001239.2U CN212591179U (zh) 2017-09-27 2018-09-25 椅子

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017-187238 2017-09-27
JP2017187238 2017-09-27
JP2018-043603 2018-03-09
JP2018043603A JP7096017B2 (ja) 2017-09-27 2018-03-09 椅子

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Publication Number Publication Date
WO2019065589A1 true WO2019065589A1 (fr) 2019-04-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220295984A1 (en) * 2021-03-16 2022-09-22 Series International, Llc Two Piece Plate Leg Securing System

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6746086B1 (en) * 1998-09-23 2004-06-08 Vitra Patente Ag Bench with modular structure
JP2012176259A (ja) * 2012-05-15 2012-09-13 Kokuyo Co Ltd 椅子
JP2015000268A (ja) * 2013-06-18 2015-01-05 コクヨファニチャー株式会社 椅子
JP2016002415A (ja) * 2014-06-19 2016-01-12 株式会社岡村製作所 椅子

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6746086B1 (en) * 1998-09-23 2004-06-08 Vitra Patente Ag Bench with modular structure
JP2012176259A (ja) * 2012-05-15 2012-09-13 Kokuyo Co Ltd 椅子
JP2015000268A (ja) * 2013-06-18 2015-01-05 コクヨファニチャー株式会社 椅子
JP2016002415A (ja) * 2014-06-19 2016-01-12 株式会社岡村製作所 椅子

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220295984A1 (en) * 2021-03-16 2022-09-22 Series International, Llc Two Piece Plate Leg Securing System
US11470969B2 (en) * 2021-03-16 2022-10-18 Series International, Llc Two piece plate leg securing system

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