JP3242284U - Wooden chair with cantilever structure - Google Patents

Wooden chair with cantilever structure Download PDF

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JP3242284U
JP3242284U JP2023001174U JP2023001174U JP3242284U JP 3242284 U JP3242284 U JP 3242284U JP 2023001174 U JP2023001174 U JP 2023001174U JP 2023001174 U JP2023001174 U JP 2023001174U JP 3242284 U JP3242284 U JP 3242284U
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plate
cantilever structure
frame
wooden chair
chair
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正明 中山
一平 木下
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株式会社テオリ
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Abstract

【課題】十分な強度を持つ、カンチレバー構造の木質系椅子を提供する。【解決手段】フレーム3を接着位置の異なる複数層の積層材で製作し、背板1、座板2はこれに差し込み、フレーム、幕板4、5、6、7を連結することで椅子としての構成を組み上げる。組み上がりは、フレーム3の前側支持体3aと、底側支持体3bによって体重を支える構造となり、支持体自体のしなりで、使用者は快適な弾性のある座り心地を得ることができる。【選択図】図1A wooden chair with a cantilever structure having sufficient strength is provided. A chair is formed by manufacturing a frame 3 with a plurality of layers of laminated materials with different bonding positions, inserting a back plate 1 and a seat plate 2 into this, and connecting the frame and curtain plates 4, 5, 6, 7. Assemble the configuration of When assembled, the weight is supported by the front side support 3a and the bottom side support 3b of the frame 3, and the flexibility of the support itself allows the user to sit comfortably with elasticity. [Selection drawing] Fig. 1

Description

実用新案法第11条において準用する特許法第30条第2項適用申請有り 令和4年6月1日にカタログ「TEORI catalog vol.10」にて発表 令和4年5月19日に自社ウェブサイトにて発表 令和4年6月1日に展示会「インテリアライフスタイル東京2022」にて発表 令和4年6月30日にYouTubeサイトにて発表 令和4年6月1日にインスタグラムウェブサイトにて発表Applied for application of Article 30, Paragraph 2 of the Patent Act, which is applied mutatis mutandis under Article 11 of the Utility Model Act Announced in the catalog "TEORI catalog vol.10" on June 1, 2022 In-house on May 19, 2022 Announced on the website Announced at the exhibition “Interior Lifestyle Tokyo 2022” on June 1, 2022 Announced on the YouTube site on June 30, 2022 Instagram on June 1, 2022 Announced on Gram website

本考案は、カンチレバー構造をもつ、木質系椅子に関するものである。 The present invention relates to a wooden chair having a cantilever structure.

木質系椅子は通常、素材・製造方法の限界から、カンチレバー構造の製造は困難で、十分な強度を得ることができなかった。木質系の素材とは、各種木材の無垢材、集成材、積層合板、チップ合板の総称である。木材の中には広葉樹、針葉樹、竹、ラタン、が含まれる。 Due to the limitations of materials and manufacturing methods, it has been difficult to manufacture wooden chairs with a cantilever structure, and sufficient strength has not been obtained. A wood-based material is a general term for solid wood of various types of wood, laminated wood, laminated plywood, and chip plywood. Timber includes hardwoods, softwoods, bamboo, rattan.

木質系椅子において、各部材の接合は伝統的にホゾやダボによる接着が主に行われてきた。これらの工法は、接合部分の体積に対して、接着面積が小さいため使用に伴う荷重の累積や、経年劣化による接着強度の低下が見られた。故に4本脚で荷重を床面に対して支持する従来の椅子であれば、生産が容易であったが、荷重を2本の脚と接合部で受けるカンチレバー構造の製造は困難であった。 Wooden chairs have traditionally been joined together by tenons and dowels. In these construction methods, since the bonding area is small relative to the volume of the bonding part, the load accumulated during use and the deterioration of the bonding strength due to aging were observed. Therefore, a conventional chair in which four legs support a load on the floor surface is easy to manufacture, but it is difficult to manufacture a cantilever structure in which the load is received by two legs and joints.

本考案は前記課題を解決するものであり、製造が容易でありながら十分な強度と弾性を有する木質系椅子を提供することを目的とする。 SUMMARY OF THE INVENTION An object of the present invention is to provide a wooden chair which is easy to manufacture and has sufficient strength and elasticity.

前記目的を達成するために、本考案の木質系椅子は背板、座板を左・右フレーム及び、フレームを連結する幕板で支持するカンチレバー構造の木質系椅子であって、フレームは前足にあたる前側支持体と、底側支持体で使用者の体重を支える形状であり、前記カンチレバー構造は、複数の板状部材を接着した積層面構造であり、前記積層面構造の各層は、複数の板状片を接着して形成されていることを特徴とする。 In order to achieve the above object, the wooden chair of the present invention is a wooden chair with a cantilever structure in which a back plate and a seat plate are supported by left and right frames and a curtain plate connecting the frames, and the frame corresponds to the front legs. The cantilever structure is a laminated surface structure in which a plurality of plate-like members are adhered, and each layer of the laminated surface structure includes a plurality of plates. It is characterized by being formed by adhering shaped pieces.

前記積層面構造は、前記板状片の接着位置が異なる前記板状部材を交互に積層していることが望ましい。 It is desirable that the laminated surface structure alternately laminates the plate-like members having different adhesion positions of the plate-like pieces.

本考案によれば、カンチレバー構造として十分な強度と、弾性により柔らかな座り心地よいが得られる。本考案を長さ方向に対して強度に優れた木質系素材で製作すると、優れた強度を持つカンチレバー構造を得ることができる。 According to the present invention, sufficient strength as a cantilever structure and a soft and comfortable feeling to sit on due to elasticity can be obtained. A cantilever structure having excellent strength can be obtained by manufacturing the present invention with a wooden material having excellent strength in the longitudinal direction.

本考案の木質系椅子においては、板状部材は竹であることが優位な条件となりうる。竹であれば、他の木質系素材に比べ繊維の長さ方向に対する荷重への耐性に優れ、より強いカンチレバー構造を得ることができる。 In the wooden chair of the present invention, it can be an advantageous condition that the plate-like member is made of bamboo. Bamboo is superior to other wood-based materials in load resistance in the longitudinal direction of the fiber, and a stronger cantilever structure can be obtained.

本考案によれば、カンチレバー構造として十分な強度と、弾性により柔らかな座り心地が得られる。また従来工法であるダボ・ホゾ接着に比べ強度必要ヵ所に対して広い接着面積を持たせることでき、高い耐久性を得ることができる。 According to the present invention, sufficient strength as a cantilever structure and soft sitting comfort due to elasticity can be obtained. In addition, compared to the conventional method of dowel-tenon bonding, a wider bonding area can be provided where strength is required, and high durability can be obtained.

本考案の構造を用いて製作した椅子のアイソメ図である。1 is an isometric view of a chair made using the structure of the present invention; FIG. クロスレイヤージョイント工法を示した図である。It is the figure which showed the cross layer joint construction method. 図2の同一寸法の部材を従来型のダボによる接着で作った場合の説明図である。FIG. 3 is an explanatory diagram of a case in which members of the same size as in FIG. 2 are made by bonding with conventional dowels.

以下、本考案の実施の形態を図面を参照して詳細に説明する。
図1(a)は実際に本考案の工法を用いて製作した竹製椅子のアイソメ図であり、(b)は1背板と2座板を略した図である。3フレームをアラビア数字の5の形状のように、クロスレイヤージョイント工法を用いて成形する。3フレーム左右に、1背板・2座面・4.5.6.7幕板を取付け、椅子としての形状を表す。後脚のない形状であるため、使用者は座った際、適度な弾性のある、柔らかな座り心地を得ることができる。
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1(a) is an isometric view of a bamboo chair actually manufactured using the construction method of the present invention, and FIG. 3 The frame is shaped like the number 5 in Arabic using the cross-layer joint construction method. The shape of a chair is expressed by attaching 1 backboard, 2 seat surfaces, and 4, 5, 6, 7 curtain boards to the left and right of the 3 frames. Since it is shaped without rear legs, when the user sits on it, it has appropriate elasticity and is soft and comfortable to sit on.

図2を基にカンチレバー構造の強度に一番寄与する、クロスレイヤージョイント工法を用いたフレームの工法の説明をする。図2(a)(b)で示すように板状片10aを板状片10bと接着し、板状片10aを板状片10cと接着し、板状片10cを板状片10dと接着し、板状片10dを板状片10eと接着して、板状部材12aを得る。また板状片11aを板状片11bと接着し、また板状片11bを板状片11cと接着し、また板状片11cを板状片11dと接着し、また板状片11dを板状片11eと接着し、また板状片11eを板状片11fと接着して板状部材12bを得る。次に図2(b)で示すように、板状部材12aと板状部材12bを交互に積層し、木工用接着剤にてプレス接着する。この過程で接合箇所の体積に対して、より大きな面積の接着面を得ることができる。図2(a)(b)で示すように板状片の接着位置の異なる板状部材を交互に積層することで、板状片の接着部を破断しようとする力に対して互いが隣の層を補強する役割を果たすため、強固な接合強度を得ることができる。図2(c)は図2(b)の工程の結果より得られるフレームのラフ材13である。図2(d)は図2(c)のラフ材を外形加工、必要に応じて穴あけ加工を行い、完成させたフレーム3である。図2(a)と(b)において接合箇所だけでなく、周辺の材料も含み接着剤が塗布されプレス接着されているため、カンチレバー構造にたいして強固なフレームを得ることができる。接着面は斜線面で示している。 Based on FIG. 2, the construction method of the frame using the cross-layer joint construction method, which contributes most to the strength of the cantilever structure, will be explained. As shown in FIGS. 2A and 2B, the plate-like piece 10a is adhered to the plate-like piece 10b, the plate-like piece 10a is adhered to the plate-like piece 10c, and the plate-like piece 10c is adhered to the plate-like piece 10d. , the plate-like piece 10d is adhered to the plate-like piece 10e to obtain the plate-like member 12a. Further, the plate-like piece 11a is adhered to the plate-like piece 11b, the plate-like piece 11b is adhered to the plate-like piece 11c, the plate-like piece 11c is adhered to the plate-like piece 11d, and the plate-like piece 11d is adhered to the plate-like piece. The plate-like member 12b is obtained by bonding the plate-like piece 11e and the plate-like piece 11f. Next, as shown in FIG. 2B, the plate-like members 12a and the plate-like members 12b are alternately laminated and press-bonded with an adhesive for woodworking. In this process, a bonding surface with a larger area can be obtained with respect to the volume of the joint. As shown in FIGS. 2(a) and 2(b), by alternately laminating plate-shaped members having different adhesion positions of the plate-shaped pieces, the force that tries to break the adhesion portion of the plate-shaped pieces makes it possible to Since it plays a role of reinforcing the layers, a strong bonding strength can be obtained. FIG. 2(c) shows the rough material 13 of the frame obtained as a result of the process of FIG. 2(b). FIG. 2(d) shows the frame 3 completed by subjecting the rough material shown in FIG. In FIGS. 2(a) and 2(b), adhesive is applied and press-bonded not only to the joint but also to the surrounding materials, so that a strong frame can be obtained for the cantilever structure. The bonding surface is indicated by the shaded surface.

図3は本考案と同一形状のフレームを伝統的なダボによる接着で作った場合の説明である。図3で見られるように各部材を接着する面積が、図2の本考案に比べ小さくなることがわかる。図2の本考案と、図3のダボによる接着面積の違いは、全体で100:3の割合、接合関係個所に絞っても50:9と本考案の方がより広い接着面積を得ることができる。接着面は斜線面で示している。図2と図3の計算における材料の体積、各部材の寸法は同一としている。 FIG. 3 is an illustration of a case where a frame having the same shape as that of the present invention is made by bonding with traditional dowels. As can be seen from FIG. 3, the area for adhering each member is smaller than that of the present invention shown in FIG. The difference in bonding area between the present invention in FIG. 2 and the dowel in FIG. can. The bonding surface is indicated by the shaded surface. The volume of material and the dimensions of each member in the calculations of FIGS. 2 and 3 are assumed to be the same.

本考案は竹、その他木質系素材での製作で有用である。The present invention is useful for fabrication with bamboo and other wood-based materials.

1 背板
2 座板
3 フレーム
3a 前側支持体
3b 底側支持体
4,5,6,7 幕板
10a~10e 板状片
11a~11f 板状片
12a,12b 板状部材
13 ラフ材
1 back plate 2 seat plate 3 frame 3a front support 3b bottom support 4, 5, 6, 7 curtain plates 10a-10e plate-like pieces 11a-11f plate-like pieces 12a, 12b plate-like member 13 rough material

Claims (3)

背板、座板を左・右フレーム及び、フレームを連結する幕板で支持するカンチレバー構造の木質系椅子であって、
前記フレームは前足にあたる前側支持体と、底側支持体で使用者の体重を支える形状であり、
前記カンチレバー構造は、複数の板状部材を接着した積層面構造であり、
前記積層面構造の各層は、複数の板状片を接着して形成されていることを特徴とするカンチレバー構造の木質系椅子。
A wooden chair with a cantilever structure in which a back plate and a seat plate are supported by left and right frames and a curtain plate connecting the frames,
The frame has a shape that supports the weight of the user with a front support corresponding to the front leg and a bottom support,
The cantilever structure is a laminated surface structure in which a plurality of plate-shaped members are adhered,
A wooden chair with a cantilever structure, wherein each layer of the laminated surface structure is formed by bonding a plurality of plate-like pieces.
前記積層面構造は、前記板状片の接着位置が異なる前記板状部材を交互に積層している請求項1に記載のカンチレバー構造の木質系椅子。 2. The wooden chair of a cantilever structure according to claim 1, wherein said laminated surface structure is obtained by alternately laminating said plate-like members having different adhesion positions of said plate-like pieces. 前記板状部材は竹である請求項1又は2に記載のカンチレバー構造の木質系椅子。 3. The cantilever structure wooden chair according to claim 1 or 2, wherein said plate member is bamboo.
JP2023001174U 2023-03-22 2023-03-22 Wooden chair with cantilever structure Active JP3242284U (en)

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