JP4047479B2 - Step device - Google Patents

Step device Download PDF

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Publication number
JP4047479B2
JP4047479B2 JP05041399A JP5041399A JP4047479B2 JP 4047479 B2 JP4047479 B2 JP 4047479B2 JP 05041399 A JP05041399 A JP 05041399A JP 5041399 A JP5041399 A JP 5041399A JP 4047479 B2 JP4047479 B2 JP 4047479B2
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JP
Japan
Prior art keywords
corners
fixing piece
stool
stepped portion
step device
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP05041399A
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Japanese (ja)
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JP2000248706A (en
Inventor
伸幸 中島
匡聡 鳥本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takiron Co Ltd
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Takiron Co Ltd
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
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Priority to JP05041399A priority Critical patent/JP4047479B2/en
Publication of JP2000248706A publication Critical patent/JP2000248706A/en
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Publication of JP4047479B2 publication Critical patent/JP4047479B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、建物の勝手口等の外側に設置される出入り用のステップ装置に関する。
【0002】
【従来の技術】
従来より、建物の勝手口と外側の地面との間には段差があるため、容易に出入りできるようにコンクリート製の踏台等が設けられている。けれども、コンクリート製の踏台は現場施工によって設けられるものであるため、素人では施工が難しいという問題があった。
【0003】
このような事情から、素人でも設置可能な合成樹脂製のステップ装置が提案されるようになった。その代表的なものは、ブロー成形の手段によって踏台の側面に該踏台より低い段部を一体成形した階段型のステップ装置であり、この装置は勝手口の外側の地面に単に置いて使用するものである。
【0004】
【発明が解決しようとする課題】
しかしながら、上記ステップ装置のように踏台と段部を一体成形したものは、嵩張るため物流コストが高くつき、狭い場所では取り扱いにくいという問題があった。
【0005】
しかも、ブロー成形したものは強度が充分と言いがたく、強度を上げるために踏台や段部の肉厚を大きくすると、重量が増して持ち運びや施工がし辛くなるという問題があった。
【0006】
また、上記のステップ装置は、勝手口の外側の地面に単に置いて使用するものであるから、横方向に外力が作用すると移動しやすいという問題もあった。
【0007】
本発明は、これらの問題を一挙に解決し得る勝手口等のステップ装置の提供を目的とするものである。
【0008】
【課題を解決するための手段】
上記の目的を達成するため、本発明の請求項1に係る勝手口等のステップ装置は、建物の勝手口等の外側に設置されるステップ装置であって、踏台と、この踏台よりも低い段部とを備え、この踏台と段部が互いに連結されて、勝手口等の外側の設置面にアンカーで固定される勝手口等のステップ装置であって、上記踏台及び上記段部の四隅部に下方から埋め込まれたボルトの下端が四隅部の下面から僅かに突出し、上記踏台と上記段部の互いに隣接する隅部に埋め込まれたボルトの下端は連結固定片の二つの穴に挿入されてナットで締付けられており、互いに隣接していない隅部に埋め込まれたボルトの下端は連結固定片の一方の穴に挿入されてナットで締付けられると共に、上記アンカーが連結固定片の他方の穴から設置面に打ち込まれていることを特徴とするものである。
【0009】
かかるステップ装置は、踏台と段部を分離して運搬できるので嵩張ることはない。従って、物流コストを下げることができ、狭い場所での取り扱いが容易となる。また、このステップ装置は、踏台と段部が連結されて勝手口等の外側の設置面にアンカーで固定されるものであるから、外力が作用しても移動したり傾いたりする心配がない。更に、踏台と段部が強固に連結され、設置面にしっかりと固定される。
【0010】
次に、請求項2に係る勝手口等のステップ装置は、上記請求項1のステップ装置において、踏台及び段部がいずれも下端の開口した中空の箱体であり、その内側に補強リブ及び/又は補強壁が形成されていることを特徴とするものである。
【0011】
かかるステップ装置は、踏台も段部も中空の箱体であるから一層軽量であり、持ち運びや取り扱いが容易になる。しかも、内側には補強リブや補強壁が形成されているので、中空の箱体であるにも拘らず、充分な強度を有しており、簡単に破損する心配はない。
【0012】
次に、請求項3に係る勝手口等のステップ装置は、上記請求項1又は2のステップ装置において、踏台及び段部がいずれも10〜50倍程度の発泡倍率で発泡させたスチロール発泡体よりなることを特徴とするものである。
【0013】
このような特定発泡倍率のスチロール発泡体よりなる踏台や段部は、きわめて軽量であるにも拘らず満足な実用強度を有するため特に好適である。発泡倍率が50倍より高くなると、より一層軽量になるが、強度が低下して破損し易くなり、発泡倍率が10倍より低くなると、強度は向上するが、重量が増すので持ち運びや取り扱いがし辛くなり、また、コストアップになる。
【0016】
次に、請求項4に係る勝手口等のステップ装置は、上記請求項1〜3のいずれかのステップ装置において、踏台及び段部の少なくとも上面に、天然石粉などの無機粉入り塗装面が形成されていることを特徴とするものである。
【0017】
このようなステップ装置は、無機粉入り塗装面によって踏台や段部の少なくとも上面が被覆保護されると共に、美観が向上し、しかも、無機粉によって滑り止め作用が発揮されるので安全性も向上する。
【0018】
【発明の実施の形態】
以下、図面を参照して本発明の具体的な実施形態を詳述する。
【0019】
図1は本発明の一実施形態に係る勝手口等のステップ装置の斜視図、図2は同ステップ装置の平面図、図3は同ステップ装置の底面図、図4は同ステップ装置の正面図、図5は図2のA−A線断面図、図6は図2のB−B線拡大部分断面図、図7は同ステップ装置に用いる連結固定片の斜視図である。
【0020】
このステップ装置は、図1に示すように、建物の勝手口1の外側の一段低い設置面2(地面やコンクリート面)に設置されるものであって、勝手口1より少し低い踏台3と、この踏台3の半分の高さを有する段部4とで構成されている。
【0021】
上記の踏台3及び段部4はいずれも合成樹脂発泡体からなるもので、踏台3は下端が開口した中空の平面視正方形の箱体に成形されており、段部4も下端が開口した中空の平面視長方形の箱体(長さは踏台と同じ、幅は踏台の略半分、高さは踏台の丁度半分)に形成されている。
【0022】
そして、強度を高めるために、踏台3の内側には図3、図5に示すように補強壁3aが十字形に形成されており、更に、この補強壁3aと外壁3bとで囲まれる空間部には、上壁3cから補強リブ3dが十字状に形成されている。同様に、段部4の内側にも補強壁4aが十字形に形成されている。
【0023】
このような踏台3及び段部4を構成する合成樹脂発泡体としては、10〜50倍程度の発泡倍率を有するスチロール発泡体が好ましく、特に40倍前後の発泡倍率を有するスチロール発泡体はきわめて好適である。かかる発泡倍率のスチロール発泡体からなる踏台3や段部4は、きわめて軽量であるため持ち運びや取り扱いが容易であり、しかも、充分な実用強度を有するため簡単に破損する心配がないといった利点を有する。発泡倍率が50倍より高くなると、より一層軽量になるが、強度が低下して破損し易くなり、発泡倍率が10倍より低くなると、強度は向上するが、重量が増して持ち運びや取り扱いがし辛くなり、また、コストアップになるので、いずれも好ましくない。
【0024】
尚、踏台3及び段部4を構成する合成樹脂発泡体は上記のスチロール発泡体に限定されるものではなく、例えば同程度の発泡倍率を有するウレタン発泡体や他の各種プラスチック発泡体なども勿論採用できる。
【0025】
図3、図6に示すように、踏台3及び段部4の四隅部の底面はいずれも上方に凹入した段差底面3e,4eに形成されており、踏台3の四隅部には長いボルト5aが、段部4の四隅部には短いボルト5bが、それぞれ下方から上面近くまで深く埋め込まれて、各ボルト5a,5bの下端が四隅部の段差底面3e,4eから僅かに突き出している。そして、図6に示すように、踏台3と段部4の互いに隣接する隅部に埋め込まれたボルト5a,5bの下端が、図7に示すような長方形の連結固定片6の二つの穴6a,6aに挿入され、ナット7,7で締付けられて、踏台3と段部4が強固に連結されている。
【0026】
一方、踏台3と段部4の互いに隣接していない隅部に埋め込まれたボルト5a,5bの下端は、図4、図6に示すように連結固定片6の一方の穴6aに挿入されてナット7で締付けられており、この連結固定片6の他方の穴6aから、上端を鉤形に折曲したピン状のアンカー8が設置面2に打ち込まれて、踏台3と段部4が設置面2に固定されている。
【0027】
連結固定片6をビス等の止具で踏台3や段部4の四隅の段差底面3e,4eに取付けると、踏台3や段部4に横方向の力が作用したとき、比較的簡単に止具が抜け出して踏台3と段部4が分離したり移動する不都合を生じるが、上記のように深く埋め込んだボルト5a,5bとナット7で連結固定片6を取付けると、ボルト5a,5bが抜け出して連結固定片が外れることがないので、踏台3と段部4を強固に連結して設置面2にしっかりと固定することが可能となる。
【0028】
更に、踏台3及び段部4の上面には、無機粉入り塗装面9が形成されている。この無機粉入り塗装面9は、図6に示すように、エキスパンドメタルやラス網などの下地ネット9aを介して、天然石粉などの無機粉を配合した塗装剤を吹付けあるいは塗布して形成したものである。このような無機粉入り塗装面9が形成されていると、美観が向上し、踏台3や段部4の上面が被覆保護されると共に、無機粉の滑り止め効果によって安全性も向上するという利点がある。また、下地ネット9aが介在されていると、踏台3及び段部4の上面が補強されて丈夫になるという利点がある。尚、この無機粉入り塗装面9は、踏台3や段部4の外部から見える側面に形成してもよいことは言うまでもない。
【0029】
上記構成のステップ装置は、踏台3と段部4を分離して勝手口1の前まで運び込み、既述したように連結固定片6とナット7を用いて踏台3と段部4を強固に連結すると共に、アンカー8を打ち込んで勝手口1の外側の設置面2にしっかりと固定することにより、素人でも簡単に設置することができる。しかも、踏台3と段部を分離して嵩張らないように運搬できるので、物流コストを下げることが可能となり、狭い場所での取り扱いも容易となる。また、踏台3及び段部4はいずれも10〜50倍程度の発泡倍率を有する軽量な合成樹脂発泡体よりなるものであるから、女性でも容易に持ち運びして設置することができ、既述したように踏台3と段部4が強固に連結されて設置面2にしっかりと固定されるものであるから、外力が作用しても踏台3と段部4が分離したり移動したり傾いたりする心配がない。
【0030】
以上、勝手口1のステップ装置を例にとって本発明を説明したが、本発明のステップ装置は勝手口1以外の段差のある全ての出入口に適用できるものである。
【0031】
【発明の効果】
本発明の勝手口等のステップ装置は、嵩張らないように踏台と段部を分離して運搬できるので、物流コストの低減が可能になると共に、狭い場所での取扱性が向上し、しかも、踏台や段部が軽量であるため持ち運びし易く、また、踏台と段部の連結や設置面への固定を簡単且つ強固に行えるため、施工性が良好で設置後に踏台や段部が外力によって分離、移動する心配もないといった効果を奏する。
【0032】
そして、踏台や段部の少なくとも上面に無機粉入り塗装面を形成したものは、上記効果に加えて、美観が向上し、上面が被覆保護されると共に、無機粉の良好な滑り止め作用によって安全性も向上するといった効果を奏する。
【図面の簡単な説明】
【図1】本発明の一実施形態に係る勝手口等のステップ装置の斜視図である。
【図2】同ステップ装置の平面図である。
【図3】同ステップ装置の底面図である。
【図4】同ステップ装置の正面図である。
【図5】図2のA−A線断面図である。
【図6】図2のB−B線拡大部分断面図である。
【図7】同ステップ装置に用いる連結固定片の斜視図である。
【符号の説明】
1 勝手口
2 設置面
3 踏台
3a 補強壁
3d 補強リブ
4 段部
4a 補強壁
5a,5b ボルト
6 連結固定片
6a 穴
7 ナット
8 アンカー
9 無機粉入り塗装面
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a step device for entering and exiting that is installed outside a building entrance.
[0002]
[Prior art]
Conventionally, since there is a step between the building entrance and the outside ground, a concrete platform or the like has been provided so that it can be easily accessed. However, since the concrete step is provided by site construction, there is a problem that it is difficult for amateurs to construct.
[0003]
Under such circumstances, a step device made of synthetic resin that can be installed even by an amateur has been proposed. A typical example is a step type step device in which a step part lower than the step is integrally formed on the side surface of the step by means of blow molding, and this device is used by simply placing it on the ground outside the user door. It is.
[0004]
[Problems to be solved by the invention]
However, such a step device in which the step and the step are integrally formed has a problem that it is bulky and expensive in terms of physical distribution and difficult to handle in a narrow place.
[0005]
Moreover, it is difficult to say that the blow-molded product has sufficient strength, and if the thickness of the step or step portion is increased to increase the strength, there is a problem that the weight increases and it is difficult to carry and construct.
[0006]
Further, since the above step device is used by simply placing it on the ground outside the door, there is also a problem that it easily moves when an external force acts in the lateral direction.
[0007]
An object of the present invention is to provide a step device such as a self-service entrance that can solve these problems all at once.
[0008]
[Means for Solving the Problems]
To achieve the above object, the step apparatus back door or the like according to claim 1 of the present invention comprises the steps apparatus installed outside the back door of a building, and stool, not lower than the footstool and a stepped portion, is connected the stool and the stepped portion to each other, a step apparatus for back door or the like which is anchored to the installation surface of the outer back door or the like, the stool and the four corners of the stepped portions The lower end of the bolt embedded from below protrudes slightly from the bottom surface of the four corners, and the lower end of the bolt embedded in the corners adjacent to each other of the step and the step is inserted into the two holes of the connection fixing piece. The lower ends of the bolts, which are tightened with nuts and embedded in the corners that are not adjacent to each other, are inserted into one hole of the connection fixing piece and tightened with the nut, and the anchor is inserted from the other hole of the connection fixing piece. Driven into the installation surface And it is characterized in Rukoto.
[0009]
Such a step device is not bulky because it can be transported with the step and the step separated. Therefore, the distribution cost can be reduced, and handling in a small place becomes easy . Also, the step apparatus, since it is intended to stool and stepped portions are anchored to the installation surface of the outer coupled back door or the like, there is no fear that an external force is tilted or move also act . Furthermore, the step and the step are firmly connected and firmly fixed to the installation surface.
[0010]
Next, a step device such as a hand port according to claim 2 is the step device according to claim 1, wherein both the step and the step are a hollow box having an opening at the lower end, and a reinforcing rib and / Alternatively, a reinforcing wall is formed.
[0011]
Such steps apparatus, stool also stepped portion is also a hollow or al single layer weight is a box body, moving or handling becomes easy. Moreover, since the reinforcing rib and the reinforcing wall are formed on the inner side, it has a sufficient strength even though it is a hollow box , and there is no fear of being easily damaged.
[0012]
Next, a step device such as a service port according to claim 3 is the step device according to claim 1 or 2, wherein the step board and the stepped portion are both made of styrene foam foamed at a foaming ratio of about 10 to 50 times. It is characterized by.
[0013]
Such a step or step portion made of a styrene foam having a specific expansion ratio is particularly suitable because it has a satisfactory practical strength despite its extremely light weight. When the expansion ratio is higher than 50 times, the weight is further reduced, but the strength is reduced and breakage is liable to occur. When the expansion ratio is lower than 10 times, the strength is improved, but the weight increases, so it is easy to carry and handle. It becomes painful and costs increase.
[0016]
Next, in the step device according to claim 4 , the coating device including inorganic powder such as natural stone powder is formed on at least the upper surface of the step and the step in the step device according to any one of claims 1 to 3. It is characterized by being.
[0017]
In such a step device, at least the upper surface of the step and the stepped portion is covered and protected by the coated surface containing inorganic powder, the aesthetics are improved, and the anti-slip action is exhibited by the inorganic powder, so the safety is also improved. .
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.
[0019]
FIG. 1 is a perspective view of a step device such as a hand port according to an embodiment of the present invention, FIG. 2 is a plan view of the step device, FIG. 3 is a bottom view of the step device, and FIG. 4 is a front view of the step device. 5 is a sectional view taken along line AA in FIG. 2, FIG. 6 is an enlarged partial sectional view taken along line BB in FIG. 2, and FIG. 7 is a perspective view of a connecting and fixing piece used in the step device.
[0020]
As shown in FIG. 1, this step device is installed on an installation surface 2 (the ground or a concrete surface) that is one step lower on the outside of a building entrance 1, and is a step 3 that is slightly lower than the entrance 1. It is comprised with the step part 4 which has the half height of this platform 3. As shown in FIG.
[0021]
The step 3 and the step 4 are both made of a synthetic resin foam. The step 3 is formed into a hollow square box with a lower end opened, and the step 4 is a hollow with a lower end open. The box is rectangular in plan view (the length is the same as the step, the width is approximately half of the step, and the height is exactly half of the step).
[0022]
In order to increase the strength, a reinforcing wall 3a is formed in a cross shape on the inner side of the platform 3 as shown in FIGS. 3 and 5, and a space portion surrounded by the reinforcing wall 3a and the outer wall 3b. The reinforcing rib 3d is formed in a cross shape from the upper wall 3c. Similarly, a reinforcing wall 4a is also formed in a cross shape inside the stepped portion 4.
[0023]
As the synthetic resin foam constituting the step 3 and the step part 4, a styrene foam having an expansion ratio of about 10 to 50 times is preferable, and a styrene foam having an expansion ratio of about 40 times is particularly preferable. It is. The step 3 and the step 4 made of styrene foam having such a foaming ratio are extremely lightweight, so that they are easy to carry and handle, and have sufficient practical strength so that they are not easily damaged. . When the expansion ratio is higher than 50 times, the weight is further reduced, but the strength is reduced and breakage is easily caused. When the expansion ratio is lower than 10 times, the strength is improved, but the weight is increased to carry and handle. Both are unfavorable because they become spicy and increase costs.
[0024]
The synthetic resin foam constituting the step 3 and the step 4 is not limited to the above-mentioned styrene foam, and of course, for example, a urethane foam having the same expansion ratio or other various plastic foams. Can be adopted.
[0025]
As shown in FIGS. 3 and 6, the bottom surfaces of the four corners of the step 3 and the step portion 4 are formed as step bottom surfaces 3 e and 4 e that are recessed upward, and long bolts 5 a are formed at the four corners of the step 3. However, short bolts 5b are deeply embedded in the four corners of the step part 4 from below to near the top surface, and the lower ends of the bolts 5a and 5b slightly protrude from the step bottom surfaces 3e and 4e at the four corners. Then, as shown in FIG. 6, the lower ends of the bolts 5a and 5b embedded in the corners adjacent to each other of the step 3 and the step 4 are the two holes 6a of the rectangular connecting and fixing piece 6 as shown in FIG. , 6a and tightened with nuts 7, 7 so that the step 3 and the stepped portion 4 are firmly connected.
[0026]
On the other hand, the lower ends of the bolts 5a and 5b embedded in the corners of the step 3 and the step 4 which are not adjacent to each other are inserted into one hole 6a of the connecting and fixing piece 6 as shown in FIGS. A pin-shaped anchor 8 whose upper end is bent into a hook shape is driven into the installation surface 2 from the other hole 6a of the connecting and fixing piece 6, and the step 3 and the step 4 are installed. It is fixed to the surface 2.
[0027]
If the connecting and fixing piece 6 is attached to the step bottom 3e, 4e at the four corners of the step 3 or the step 4 with a stopper such as a screw, it can be stopped relatively easily when a lateral force acts on the step 3 or the step 4. However, if the connecting fixing piece 6 is attached with the bolts 5a and 5b and the nut 7 which are deeply embedded as described above, the bolts 5a and 5b come out. Thus, the connecting and fixing piece does not come off, so that the step 3 and the step 4 can be firmly connected and firmly fixed to the installation surface 2.
[0028]
Furthermore, a coating surface 9 containing inorganic powder is formed on the upper surfaces of the step 3 and the stepped portion 4. As shown in FIG. 6, the coated surface 9 containing inorganic powder is formed by spraying or applying a coating agent containing inorganic powder such as natural stone powder through a base net 9a such as expanded metal or lath net. Is. When such a coated surface 9 containing inorganic powder is formed, the beauty is improved, the top surface of the step 3 and the stepped portion 4 is covered and protected, and the safety is also improved by the non-slip effect of the inorganic powder. There is. Moreover, when the base net | network 9a is interposed, there exists an advantage that the upper surface of the platform 3 and the step part 4 is reinforced, and becomes strong. In addition, it cannot be overemphasized that this inorganic powder containing coating surface 9 may be formed in the side surface visible from the step 3 or the exterior of the step part 4. FIG.
[0029]
The step device having the above structure separates the step 3 and the step portion 4 and carries them to the front of the front door 1 and firmly connects the step 3 and the step portion 4 using the connection fixing piece 6 and the nut 7 as described above. At the same time, even an amateur can easily install the anchor 8 by driving the anchor 8 and firmly fixing the anchor 8 to the installation surface 2 outside the service port 1. In addition, since the step 3 and the stepped portion can be separated and transported so as not to be bulky, the distribution cost can be reduced, and handling in a narrow place is facilitated. Moreover, since both the step 3 and the stepped portion 4 are made of a lightweight synthetic resin foam having a foaming ratio of about 10 to 50 times, it can be easily carried and installed by a woman. Thus, the step 3 and the step 4 are firmly connected to each other and firmly fixed to the installation surface 2, so that the step 3 and the step 4 are separated, moved, or tilted even when an external force is applied. There is no worry.
[0030]
The present invention has been described above by taking the step device of the service port 1 as an example. However, the step device of the present invention can be applied to all doorways having steps other than the service port 1.
[0031]
【The invention's effect】
The step device of the present invention can be transported by separating the step and the step so as not to be bulky, so that the distribution cost can be reduced and the handling property in a narrow place is improved. It is easy to carry because the step part is lightweight, and since the step and step can be easily connected and fixed to the installation surface, the workability is good and the step and step part are separated by external force after installation. There is an effect that there is no worry of moving.
[0032]
In addition to the above effects, the surface having a coated surface with inorganic powder formed on at least the upper surface of the step or stepped portion is improved in aesthetics, and the upper surface is covered and protected, and the non-slip action of the inorganic powder is safe. There is an effect of improving the performance.
[Brief description of the drawings]
FIG. 1 is a perspective view of a step device such as a hand port according to an embodiment of the present invention.
FIG. 2 is a plan view of the step device.
FIG. 3 is a bottom view of the step device.
FIG. 4 is a front view of the step device.
FIG. 5 is a cross-sectional view taken along line AA in FIG.
6 is an enlarged partial cross-sectional view taken along the line BB in FIG.
FIG. 7 is a perspective view of a connecting and fixing piece used in the step device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hand port 2 Installation surface 3 Step 3a Reinforcement wall 3d Reinforcement rib 4 Step part 4a Reinforcement wall 5a, 5b Bolt 6 Connection fixing piece 6a Hole 7 Nut 8 Anchor 9 Painting surface containing inorganic powder

Claims (4)

建物の勝手口等の外側に設置されるステップ装置であって、踏台と、この踏台よりも低い段部とを備え、この踏台と段部が互いに連結されて、勝手口等の外側の設置面にアンカーで固定される勝手口等のステップ装置であって、
上記踏台及び上記段部の四隅部に下方から埋め込まれたボルトの下端が四隅部の下面から僅かに突出し、上記踏台と上記段部の互いに隣接する隅部に埋め込まれたボルトの下端は連結固定片の二つの穴に挿入されてナットで締付けられており、互いに隣接していない隅部に埋め込まれたボルトの下端は連結固定片の一方の穴に挿入されてナットで締付けられると共に、上記アンカーが連結固定片の他方の穴から設置面に打ち込まれていることを特徴とするステップ装置。
A step apparatus installed outside the back door of a building, comprising: a stool, a low Idan section than the stool, the stool and the stepped portion are connected to each other, placed outside the back door, etc. It is a step device such as a self-service mouth that is fixed to the surface with an anchor ,
The lower end of the bolt embedded from below in the four corners of the step and the step slightly protrudes from the lower surface of the four corners, and the lower end of the bolt embedded in the corner adjacent to the step and the step is connected and fixed. The lower ends of the bolts inserted into the two holes of the piece and tightened with the nuts and embedded in the corners not adjacent to each other are inserted into one hole of the connecting fixing piece and tightened with the nut. Is driven into the installation surface from the other hole of the connecting and fixing piece.
上記踏台及び上記段部がいずれも下端の開口した中空の箱体であり、その内側に補強リブ及び/又は補強壁が形成されていることを特徴とする請求項1に記載のステップ装置。  2. The step device according to claim 1, wherein each of the step and the step is a hollow box having an opening at a lower end, and a reinforcing rib and / or a reinforcing wall is formed inside thereof. 上記踏台及び上記段部がいずれも10〜50倍程度の発泡倍率で発泡させたスチロール発泡体よりなるものであることを特徴とする請求項1又は請求項2に記載のステップ装置。  The step device according to claim 1 or 2, wherein both the step and the step are made of styrene foam foamed at a foaming ratio of about 10 to 50 times. 上記踏台及び上記段部の少なくとも上面に、天然石粉などの無機粉入り塗装面が形成されていることを特徴とする請求項1ないし請求項3のいずれかに記載のステップ装置。The step device according to any one of claims 1 to 3, wherein a coated surface containing inorganic powder such as natural stone powder is formed on at least the upper surface of the step and the stepped portion.
JP05041399A 1999-02-26 1999-02-26 Step device Expired - Lifetime JP4047479B2 (en)

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JP2003262022A (en) * 2002-03-07 2003-09-19 Gifu Plast Ind Co Ltd Stair component, stair made of the stair components, and manufacturing method for stair components
JP5250298B2 (en) * 2008-04-18 2013-07-31 城東テクノ株式会社 Step forming box
JP4532604B1 (en) * 2010-02-26 2010-08-25 敬司 松野 Slow step exercise platform
JP2017031697A (en) * 2015-08-03 2017-02-09 株式会社東京ボックス Ascending and descending auxiliary tool for doorway foot

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