JP2012100769A - Chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair capable of attaining simplification in appearance and structure while comfortable sitting feel is achieved.SOLUTION: The chair A includes: a seat composed of elastically deformable plate material including a seating part A21 and a right/left pendent part A22 that hangs down right/left continuously from both side parts of the seating part A21; and a leg structure A1 provided with a seat supporting part A12 that directly supports the right/left of the seat. In the chair A, a deformation allowing space S allowing elastic deformation of the seat is formed between the leg structure A1 and the center of the seat that is not supported by the leg structure A1. The lower end A22a of the pendent part A22 is positioned lower than the seat supporting part A12 in the leg structure A1.

Description

  The present invention relates to a chair called a so-called stool installed in a rest space of an office and the like that can be easily seated by a user.

  2. Description of the Related Art Conventionally, in an office, a chair called a stool for temporarily sitting is installed in a rest space or the like apart from a chair that is mainly used for office work. Many of these chairs mainly do not have a backrest, and are configured so that they can easily sit down from any front, back, left, or right direction (see, for example, Patent Document 1).

  Such a chair called a stool is also required to be configured so as to be comfortable to sit like the office swivel chair used for office work. Such a chair is desired to have a simple appearance and structure so that it can be easily harmonized with the surrounding office space, and in particular, it has a simple appearance such as a seat attachment point or a part connection point. However, it is considered desirable as a requirement to make the entire chair look simple.

Utility Model Registration No. 3128444 (see FIGS. 1 and 2)

  This invention pays attention to such a malfunction, and is a chair for a user to sit down temporarily, and can also realize a simple appearance and structure while realizing a comfortable sitting comfort. The purpose is to provide a chair.

  In order to achieve such an object, the present invention takes the following measures.

  That is, the chair according to the present invention comprises a seat composed of an elastically deformable plate member having a seating portion extending in the horizontal direction and left and right hanging portions continuously suspended from both sides of the seating portion. A leg structure having a seat support portion that directly supports the left and right of the seat, and allowing the seat to elastically deform between the center of the seat not supported by the leg structure and the leg structure. A chair in which an allowable space is formed, wherein a lower end of the hanging part is positioned below a seat support part in the leg structure.

  Here, “left and right” does not mean only the left and right of the seated person. That is, it is a concept that means a position positioned outside, that is, on both sides when viewed from a certain direction, regardless of the direction in which the seated person sits. The term “horizontal” is not limited to a plane that can form a horizontal plane strictly, but is a concept of being positioned so as to extend in the horizontal direction. Accordingly, the term “horizontal” includes some curves, bumps, irregularities, and the like. Needless to say, the “hanging portion” does not mean only a configuration that hangs down strictly in the vertical direction. It is a concept that means a configuration that extends downward while including a slightly inclined direction or a curved or bent portion.

  In such a case, since the lower end of the hanging part is always positioned below the seat support part, the hanging part plays a role of concealing the seat support part, or the seat supported by the seat support part. It is possible to form a chair that is simple in appearance by simplifying the configuration of the seat support portion itself by playing a role of positioning the frame with respect to the leg structure. In addition, a chair that can use the hanging portion for various purposes can be realized.

  And as one of the structures for promoting the suitable elastic deformation of a seat, the structure which makes the leg structure support the lower part of the hanging part can be mentioned.

  In addition, in order to elastically deform the seat so that it is comfortable to sit, the seat has a deformation assisting portion that can be elastically deformed preferentially, and a desired location can be preferentially elastically deformed. It is desirable to do.

  The deformation assisting portion is provided with a slit at a desired portion of the seat, is configured so that the desired portion is easily deformed depending on the shape of the seat itself, or the desired portion is thinned or further deformed. The structure of using an easy material can be mentioned. Among these, from the viewpoint of configuring the deformation promoting portion with a simple configuration, it is preferable that the deformation promoting portion is a slit.

  On the other hand, as a configuration for ensuring that the leg structure supports the seat, a structure in which the lower surface of the seating portion is supported by the leg seat support portion can be exemplified.

  In order to reliably position the seat and the leg structure, the seat support portion has an engaging convex portion that can be engaged with the seating portion, and the engaging portion provided on the seating portion on the top surface of the engaging convex portion. It is desirable to have a structure in which the downward facing surface of the concavity is placed.

  According to the present invention, since the lower end of the hanging part is always positioned below the seat support part, the hanging part plays a role of concealing the seat support part, and the seat supported by the seat support part is a leg. By simplifying the structure of the seat support part itself by playing a role of positioning with respect to the structure, a visually simple chair can be provided.

The external view of the chair which concerns on 1st embodiment of this invention. The front view. The same side view. FIG. The external view which concerns on the modification of the embodiment. The front view which concerns on the other modification. The external view of the chair which concerns on 2nd embodiment of this invention. FIG. The external view of the chair which concerns on 3rd embodiment of this invention. FIG. The external view of the chair which concerns on 4th Embodiment of this invention. FIG. The external view of the chair which concerns on 5th Embodiment of this invention. FIG. The external view of the chair which concerns on 6th Embodiment of this invention. FIG. The external view which concerns on the modification of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

<First embodiment>
The chair A according to the present embodiment is provided, for example, in a rest space provided in the office, separately from the office swivel chair A that is mainly used for office work in an office. In the chair A, the office worker temporarily sits A2 between work and breaks, and a person other than the office worker can sit down casually.

  As shown in FIGS. 1 and 2, the chair A has a structure without a backrest, so that a person who wants to sit on the chair A can take a desired direction regardless of the front, side, or back direction. You can sit from.

  Here, the chair A according to the present embodiment is a seat A2 made of an elastically deformable plate material having a seating portion A21 and left and right hanging portions A22 that are continuously suspended from both sides of the seating portion A21. And a leg structure A1 having a seat support portion A12 that directly supports the right and left of the seat A2, and the leg structure A1 is not supported by the leg structure A1 between the center of the seat A2 and the leg structure A1. The chair A is formed with a deformation allowing space S that allows elastic deformation of the seat A2, and the lower end A22a of the hanging part A22 is positioned below the seat support part A12 in the leg structure A1. It is a feature.

  Hereinafter, the configuration of the chair A according to the present embodiment will be described.

  As described above, the chair A according to the embodiment has the leg structure A1 mainly made of bamboo plywood and the seat A2. In addition, the chair A of this embodiment is not only lightweight as a whole by using bamboo, but also contributes to the effective use of bamboo in manufacturing. Of course, the chair A may be composed of other wood or plywood in addition to bamboo.

  The leg structure A1 is a layered product obtained by bonding bamboo laminated materials in the plane direction, that is, a laminated material obtained by connecting a plurality of single materials elongated in the fiber direction of the bamboo in the width direction perpendicular to the fiber direction. The plywood is made to have a predetermined thickness by alternately overlapping and integrating the fibers in different directions, so that it has a strength capable of withstanding the load of the seat A2 and the seated person. The leg structure A1 is formed by appropriately molding the above-described bamboo plywood so as to form a pair of standing wall A11 positioned at the left and right ends, and the state of the leg A11. A seat support portion A12 for supporting the seat A2 positioned on the left side, and an interposition portion A13 interposed between the leg portions A11 by horizontally extending from the upper portions of the left and right leg portions A11. In this embodiment, the seat support portion A12 is set as a location for positioning the seat A2 at two locations near the upper end of the leg portion A11. The seat support portion A12 supports the seat A2 in a specific manner, for example, by adhering the illustrated portion and its periphery, or fixing the seat A2 using a separate fastener. Aspects can be applied.

  As shown in the figure, the seat A2 is fixed to the leg structure A1 while being placed so as to cover the upper part of the leg structure A1, and in the state fixed to the leg structure A1, the seat A2 Along with the leg structure A1, in detail, a temporary movement of the center portion of the seat A2 is allowed to temporarily move downward between the center of the leg structure A1 and the leg structure A1, specifically, the interposition part A13. A deformable allowable space S is formed. The seat A2 is made of plywood having a predetermined thickness by alternately stacking and integrating bamboo laminated materials so that the fiber directions are different, like the leg structure A1. However, the thickness is set to be slightly smaller than that of the leg structure A1, so that it can withstand the load of the seated person but can be elastically deformed as a whole by sitting.

  The seat A2 has a seating part A21 that mainly receives the load of the seated person directly and a hanging part A22 provided by hanging outward from the left and right ends of the seating part A21. And the said seat A2 forms the drooping part A22 only in the left-right direction, and makes the seat part A21 have a curved shape only mainly in the front view so that the cross section in the front view becomes substantially the same shape as a whole. By being formed in a curved belt shape, the shape is easy to bend as a whole. The seating portion A21 mainly constitutes a seating surface, and has a shape that is gently curved so that the central portion in the front view is lowered, and the lower surface A21a side of the seating portion A21 is interposed at any position. It is separated from the portion A13 by a predetermined dimension, that is, the size of the deformation allowable space S. The hanging part A22 is formed in a pair symmetrically from both ends of the seating part A21. The upper part A221 adjacent to the seating part A21 is curved in an arc shape, and the lower part A222 is supported by the leg structure A1. Yes. More specifically, the lower part of the hanging part A22 is formed in a flat plate shape so as to be in close contact with the leg structure A1.

  Therefore, the chair A according to the present embodiment positions the lower end A22a of the hanging part A22 below the seat support part A12 in the leg structure A1 while supporting the lower part of the hanging part A22 on the seat support part A12. The seat support portion A12, that is, the connecting portion between the leg structure A1 and the seat A2 can be effectively concealed from the outside.

  By setting it as the above structures, since the chair A which concerns on this embodiment becomes the lower end A22a of the hanging part A22 positioned below the seat support part A12, this hanging part A22 supports the seat. An apparently simple chair A is realized by playing a role of concealing the part A12. As a result, a comfortable chair A2 is realized while realizing a simple appearance that can be suitably harmonized with various office designs.

  In addition, in the present embodiment, the lower part of the hanging part A22 is supported by the leg structure A1, and the elastic deformation of the seat A2 is promoted by setting many portions that can be elastically deformed in the seat A2. A suitable cushioning property capable of providing A2 comfort is obtained.

<Modification>
Hereinafter, each modified example of the present embodiment and other embodiments will be sequentially described. In addition, about each embodiment described below, while attaching | subjecting the same code | symbol about the same or equivalent component, those detailed description shall be abbreviate | omitted suitably.

  The chair A according to this modification has a leg structure A1 having the same shape as the above embodiment, but has a seat A2 in which a slit A23 which is a deformation assisting portion is formed, as shown in FIG. It is what. Specifically, the slit A23 is provided at five locations in the front-rear direction of the seat A2, that is, a total of 10 locations, extending in the vertical direction.

  Thus, if the seat A2 has the slit A23, it is possible to improve the overall elasticity while maintaining the shape of the seat A2 or to elastically deform the seat A2 and the slit A23 as a whole. It can be more comfortable to sit on.

<Other variations>
As another modification of the present embodiment, as shown in FIG. 6, instead of the slit A23, a thin portion A24 formed by partially thinning the thickness of the seat A2 may be formed as a deformation promoting portion. good.

  Thus, if the seat A2 has the thin portion A24, the thin portion A24 can be preferentially elastically deformed. As a result, it is possible to provide the chair A in which the seat A2 acquires desired elasticity and the sitting comfort is further improved as in the above-described modification.

<Second embodiment>
Below, 2nd embodiment of this embodiment is described. In addition, about each embodiment described below, it replaces with an initial letter "A" about the same or an equivalent component, and attaches | subjects the same number except writing "B", and those detailed description is suitably Shall be omitted.

  In the chair B according to the present embodiment, the lower end B22a of the hanging part B22 is supported by the seat support part B12 while the lower end B22a of the hanging part B22 is supported by the seat support part B12 in the leg structure B1 as in the above embodiment. Although it is positioned below, it is assumed that the seat support portion B12 has an insertion hole B12b so that the lower end B22a of the drooping portion B22 plays a role of positioning the seat B2 with respect to the leg structure B1. Yes.

  Specifically, the insertion hole B12b of the seat support part B12 of the leg structure B1 is a rectangular opening in side view provided so as to extend in the front-rear direction near the upper end of the leg part B12. In this embodiment, the hanging portion B22 of the seat B2 has an upper portion B221 that curves in a partial circle and a flat lower portion B222 that can be in close contact with the leg structure B1, but before and after the upper portion B221 and the lower portion B222, The contact end B22b is formed between the upper part B221 and the lower part B222 by making the dimensions different. The abutting end B22b abuts on the leg B12 in a state where the lower portion B222 passes through the insertion hole B12b, so that the vertical positioning of the seat B2 is reliably performed. In addition, by adopting a configuration in which the lower portion B222 is in close contact with the inside of the leg portion B12, the seat B2 is reliably positioned on the leg structure B1 without rattling.

  As described above, the chair B according to the present embodiment is positioned below the seat support portion B12 as in the above embodiment, thereby supporting the seat B instead of the role of concealing the seat support portion B12 from the hanging portion B22. By making the seat B2 supported by the part B12 have a role of positioning with respect to the leg structure B1, the configuration of the seat support part B12 itself can be simplified, so that an apparently simple chair B can be configured. It has become a thing. And if it is the shape of the seat B2 and leg structure B1 in this embodiment, exchange of the seat B2 can also be performed easily.

<Third embodiment>
Below, 3rd embodiment of this embodiment is described. In addition, about each embodiment described below, about the same or an equivalent component, it replaces with an initial letter "A" or "B", attaches | subjects the same number except writing "C", and those details Such description will be omitted as appropriate.

  The chair C according to the present embodiment has a bamboo leg structure C1 and an elastically deformable seat C2 having a seating portion C21 and a hanging portion C22 as in the above embodiments. However, as shown in FIGS. 9 and 10, the chair C according to the present embodiment supports the lower surface C21a of the seating portion C21 by the seat support portion C12.

  More specifically, the leg structure C1 has the leg C11 and the interposition part C13 similar to the above embodiment, while the seat support part C12 raises a part of the bamboo material constituting the upper end of the leg C11 vertically. , And has an engaging projection C12a whose upper end is configured horizontally. On the other hand, on the lower surface C21a of the seating portion C21 of the seat C2, four engagement recesses C21b capable of engaging with the engagement protrusions C12a are formed. The engaging recess C21b is formed only at the four corners of the seating portion C21, so that a deformation allowable space S is formed between the lower surface C21a of the center portion of the seat C2 and the interposition portion C13 as in the above embodiment. Yes. Thus, in the present embodiment, the leg structure C1 and the seat C2 are attached by the concave and convex engagement with the engaging concave portion C21b placed on the engaging convex portion C12a from above, but the lower end of the hanging portion C22 is attached. Is provided below the position of the engaging projection C12a.

  Thereby, the chair C which concerns on this embodiment can conceal the seat support part C12 of the leg structure C1 from the outside similarly to said 1st embodiment. Moreover, since the recess C21b is provided in the vicinity of the drooping portion C22, the effect of preventing the detachment in the left-right direction is also effectively achieved.

<Fourth embodiment>
Furthermore, a fourth embodiment of this embodiment will be described. In addition, about each embodiment described below, about the same or an equivalent component, it replaces an initial with "A", "B", or "C", and attaches | subjects the same number except having described it as "D". Detailed description thereof will be omitted as appropriate.

  In the chair D according to the present embodiment, the leg structure D1 has the engaging convex portion D12a and the engaging concave portion D21b provided on the lower surface D21a of the seating portion D21, as in the third embodiment. The portion D12a and the engaging recess D21b are configured to engage with the concave and convex portions.

  That is, in this embodiment, as shown in FIGS. 11 and 12, the leg structure D1 is formed by bonding the central portions of two plate members bent at the center in plan view, thereby intersecting at the center in plan view. Thus, it is formed in a so-called X shape. And the seat support part D12 which has the engagement convex part D12a in the four corners of the said leg structure D1 is provided, and the engagement recessed part D21b extended in the planar view inclination downward direction is provided in the lower surface D21a of the seat D2, respectively. ing. In the case of this embodiment, the portions other than the engaging projections D12a of the leg structure D1 are spaced apart from each other by a certain amount with respect to the lower surface D21a of the seating portion D21. S is formed.

  Even in such a case, the hanging portion D22 can effectively conceal the seat support portion D12 as in the above embodiment.

<Fifth embodiment>
Below, 5th embodiment of this embodiment is described. In addition, about each embodiment described below, about the same or equivalent component, it replaces with an initial letter "A", "B", "C", or "D", and is the same number except having described "E" The detailed description thereof will be omitted as appropriate.

  The chair E according to the present embodiment is provided on the lower surface E21a of the seating portion E21 of the seat E2 by cutting and raising the engagement convex portion E12a from the upper end of the leg portion E11 of the leg structure E1 with respect to the third embodiment described above. The engaging recess E21b has substantially the same shape as the concave and convex engagement, but the positioning is performed by forming positioning holes E22c and E12c in the hanging part E22 and the seat support part E12, respectively. The position where the holes E22c and E12c are provided is fixed with rivets or screws, so that the seat E2 can be positioned more reliably.

  With such a configuration, the hanging portion E22 not only conceals the portion where the engagement convex portion E12a and the engagement concave portion E21b are engaged with each other, but also makes the attachment of the seat E2 to the seat support portion E12 more reliable. It has been provided.

<Sixth embodiment>
Below, 6th embodiment of this embodiment is described. In addition, about each embodiment described below, about the same or an equivalent component, it replaces the initial letter with "C", attaches | subjects the same number except writing "F", and those detailed description is suitably Shall be omitted.

  In the chair F according to this embodiment, four leg structures F1 similar to those of the third embodiment are applied, while a single seat configured to be able to attach these four leg structures F1 simultaneously. It has F2.

  Specifically, as shown in FIGS. 15 and 16, four leg structures F1 are arranged in the front direction, that is, in the front-rear direction, and are attached by a single seat F2, so that the structure is elongated in the front-rear direction. A bench-shaped chair F is constructed. The bench-like chair F is mostly seated by a seated person, and in some cases, a plurality of seated persons, from the left-right direction where the hanging part F22 is provided.

  As described above, the chair F according to the present embodiment can be seated by a plurality of users at the same time while the hanging portion F22 can effectively conceal the seat support portion F12, as in the third embodiment. The bench-shaped chair F is realized. In addition to the above-described and illustrated aspects, the chair structure F1 according to the present embodiment does not have to have four leg structures F1 arranged in full width of the seat F2 as shown in the figure. That is, by providing the seat F2 with sufficient strength, one leg structure D1 is provided at each end in the longitudinal direction of the seat F2, that is, at the end in the direction orthogonal to the direction in which the hanging portion F22 is provided. A chair F having a bench shape can be configured.

  Each embodiment of the present invention has been described above, but the specific configuration of each part is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention. .

  For example, in the first embodiment described above, a mode in which a plurality of slits A23 are provided in the seat A2 is disclosed as a modification. However, the slits A23 are not limited to a mode in which a plurality of slits A23 are vertically extended. That is, as shown in FIG. 17, even if the slit A23 that forms a left-right pair formed horizontally in the front-rear direction is formed, it is possible to promote elastic deformation suitable for the seat A2 as in the first embodiment. .

  For example, in the above embodiment, a chair made of bamboo is disclosed, but of course, the chair of the present invention is made of a material other than bamboo, such as wood, synthetic resin, or paper material made of high strength. It may be a thing. Further, in the above-described embodiment, the seat formed integrally with the slit and the thin portion is disclosed as the deformation promoting portion, but of course, a separate plate-like material may be partially arranged as the deformation promoting portion. . In addition, the specific aspects of the chair, such as the engagement between the leg structure and the seat, the specific shape of the seating portion constituting the seating surface, or the presence or absence of the backrest, are not limited to those of the above embodiment. Various embodiments including the existing ones can be applied.

  In addition, the specific configuration of each part is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

  The present invention can be used as a chair that a user can easily sit on.

A, B, C, D, E, F ... Chairs A21, B21, C21, D21, E21, F21 ... Seating parts A22, B22, C22, D22, E22, F22 ... Suspended parts A2, B2, C2, D2, E2 , F2 ... Seat A12, B12, C12, D12, E12, F12 ... Seat support part A1, B1, C1, D1, E1, F1 ... Leg structure S ... Deformation allowable space A22a, B22a, C22a, D22a, E22a, F22a ... Lower end (lower end) of drooping
A23 ... Deformation assistant (slit)
A24 ... Deformation assistant (thin part)
A21a, B21a, C21a, D21a, E21a, F21a ... the lower surface (lower surface) of the seating part
C12a, D12a, E12a, F12a ... engagement convex part C21b, D21b, E21b, F21b ... engagement concave part

Claims (6)

A seat composed of an elastically deformable plate material having a seating portion extending in the horizontal direction and left and right hanging portions continuously suspended from both sides of the seating portion;
A leg structure having a seat support portion that directly supports the right and left of the seat;
A chair in which a deformation-permitting space that allows elastic deformation of the seat is formed between the center of the seat that is not supported by the leg structure and the leg structure,
The chair characterized by the lower end of the said drooping part being located below rather than the seat support part in the said leg structure.   The chair according to claim 1, wherein a lower part of the hanging part is supported by the leg structure.   The chair according to claim 1, 2 or 3, wherein the seat has a deformation assisting portion capable of preferentially elastically deforming.   The chair according to claim 3, wherein the deformation assisting portion is a slit.   The chair according to claim 1, wherein a lower surface of the seating portion is supported by the seat support portion. The seat support part has an engaging convex part that can be engaged with the seat part,
The chair according to claim 5, wherein a downward surface of an engagement recess provided in the seating portion is placed on a top surface of the engagement projection.

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