JP2007247291A

JP2007247291A - Extensible scaffolding board

Info

Publication number: JP2007247291A
Application number: JP2006073270A
Authority: JP
Inventors: Yuji Fujimoto; 祐司藤本; Yasutaka Nakamura; 泰隆中村
Original assignee: Alinco Inc
Current assignee: Alinco Inc
Priority date: 2006-03-16
Filing date: 2006-03-16
Publication date: 2007-09-27
Anticipated expiration: 2026-03-16
Also published as: JP4567624B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide an extensible scaffolding board capable of fully exhibiting a non-slip effect. <P>SOLUTION: The extensible scaffolding board comprises a pair of scaffolding board bodies 2, 3 combined in an extensible manner. The respective scaffolding board bodies 2, 3 have a plurality of scaffolding board members 4, 5, 6, 7, 8 arranged parallel with one another at fixed spaces in the width direction of the scaffolding board, and scaffolding board members 4, 5, 5, 5, 5 of one scaffolding board body 2 are arranged to be relatively movable in the length direction of the scaffolding board between scaffolding board members 6, 7, 7, 7, 8 of the other scaffolding board body 3. The respective scaffolding board members 4, 5, 6, 7, 8 are provided with projection parts integrally at both side edge parts of the upper side faces, and each projection part is formed with protruding parts and recessed parts in an alternately continuous manner in the longitudinal direction. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、内装工事現場その他の作業場所で脚立等と合わせて使用される伸縮式足場板に関するもので、特に、一対の足場板本体からなり、各足場板本体が足場板幅方向に一定間隔をおいて互いに平行に配置された複数の足場板部材を有し、一方の足場板本体の足場板部材が他方の足場板本体の足場板部材間に足場板長さ方向に相対移動自在に配置されてなる伸縮式足場板に関する。 The present invention relates to a telescopic scaffolding plate used in combination with a stepladder etc. at an interior construction site or other work site, and in particular, consists of a pair of scaffolding plate main bodies, each scaffolding plate main body having a constant interval in the width direction of the scaffolding plate A plurality of scaffolding plate members arranged in parallel with each other, and the scaffolding plate member of one scaffolding plate body is disposed so as to be relatively movable in the length direction of the scaffolding plate between the scaffolding plate members of the other scaffolding plate body The present invention relates to a telescopic scaffold board.

従来この種の伸縮式足場板として、特許公報等の公知文献を具体的に挙げることはできないが、この種の足場板では、各足場板部材がアルミ押出型材によって形成されていて、各足場板部材の上面には、一般に、その長手方向に延びる凸条部や凹条部を複数条設することによって滑り止めが施されている。しかし、このように足場板部材の長手方向に延びる凸条部や凹条部によっては、作業時における作業者の靴等に対する滑り止め効果を十分発揮できず、作業中足場板上での滑りが発生し易かった。 Conventionally, publicly known documents such as patent gazettes cannot be specifically cited as this type of telescopic scaffolding plate, but in this type of scaffolding plate, each scaffolding plate member is formed of an aluminum extrusion mold, and each scaffolding plate The upper surface of the member is generally provided with anti-slip by providing a plurality of ridges and ridges extending in the longitudinal direction. However, depending on the ridges and ridges extending in the longitudinal direction of the scaffold plate member in this way, the anti-slip effect on the shoes of the worker at the time of work cannot be sufficiently exhibited, and slipping on the scaffold plate during work may occur. It was easy to occur.

本発明は、上記の問題に鑑み、作業者の靴等に対して全方向に滑り止め効果を有効且つ十分に発揮し得て、作業の安全性の向上を図ることができる伸縮式足場板を提供することを目的とする。 In view of the above problems, the present invention provides a telescopic scaffolding plate that can effectively and sufficiently exhibit an anti-slip effect in all directions with respect to an operator's shoes and the like and can improve work safety. The purpose is to provide.

上記課題を解決するための手段を、後述する実施形態の参照符号を付して説明すると、請求項１に係る発明は、伸縮自在に組み合わされた一対の足場板本体２，３からなり、各足場板本体２，３は足場板幅方向に一定間隔をおいて互いに平行に配置された複数の足場板部材４，５，６，７，８を有し、一方の足場板本体２の足場板部材４，５，５，５，５が他方の足場板本体３の足場板部材足場板部材６，７，７，７，８相互間に足場板長さ方向に相対移動自在に配置されてなる伸縮式足場板において、各足場板部材４，５，６，７，８にはその上側面ａの両側縁部に夫々凸条部１４が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続するように形成されてなることを特徴とする。 Means for solving the above problems will be described with reference numerals in the embodiments described later. The invention according to claim 1 is composed of a pair of scaffold plate bodies 2 and 3 that are stretchably combined. The scaffold board main bodies 2 and 3 have a plurality of scaffold board members 4, 5, 6, 7 and 8 arranged in parallel to each other at a predetermined interval in the width direction of the scaffold board, and the scaffold board of one scaffold board main body 2 The members 4, 5, 5, 5, 5 are arranged between the scaffold plate members 6, 7, 7, 7, 8 of the other scaffold plate body 3 so as to be relatively movable in the length direction of the scaffold plate. In the telescopic scaffolding plate, each of the scaffolding plate members 4, 5, 6, 7, and 8 is integrally provided with ridges 14 on both side edges of the upper side surface a in the longitudinal direction of the scaffolding plate. The portion 14 is characterized in that convex portions 15 and concave portions 16 are formed alternately in the longitudinal direction thereof.

請求項２は、請求項１に記載の伸縮式足場板において、各足場板部材４，５，６，７，８は、その上下両側面ａ，ｂの夫々の両側縁部に夫々凸条部１４が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続するように形成されてなることを特徴とする。 Claim 2 is the telescopic scaffolding plate according to claim 1, wherein each of the scaffolding plate members 4, 5, 6, 7, and 8 is a ridge portion on each side edge of each of the upper and lower side surfaces a and b. 14 is integrally formed in the longitudinal direction of the scaffolding plate, and the convex portions 14 are formed so that convex portions 15 and concave portions 16 are alternately continued in the longitudinal direction.

上記解決手段による発明の効果を、後述する実施形態の参照符号を付して説明すると、請求項１に係る発明によれば、各足場板部材４，５，６，７，８にはその上側面ａの両側縁部に夫々凸条部１４が足場板長手方向に一体に条設されていて、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続するように形成されていることによって、この足場板１の使用に際し、作業者の靴等が足場板１の上面側（踏み面側）をその長さ方向と交差する方向に摺動するような時は、各足場板部材４，５，６，７，８の凸条部１４が滑り止めとして作用し、また作業者の靴等が足場板１の長さ方向に摺動するような時は、各凸条部１４に形成されている凸部１５と凹部１６とが滑り止めとして作用するから、足場板１上における作業者の靴等に対し全方向に滑り止め効果を有効且つ十分に発揮して作業の安全性の向上を図ることができる。 The effect of the invention by the above solution will be described with reference numerals of the embodiments described later. According to the invention of claim 1, each scaffold plate member 4, 5, 6, 7, 8 Convex ridges 14 are integrally formed on both side edges of the side surface a in the longitudinal direction of the scaffolding plate, and the convex portions 15 and the concave portions 16 are alternately continued in the longitudinal direction of each ridge 14 in the longitudinal direction. When the scaffold plate 1 is used, when an operator's shoes slide on the upper surface side (tread surface side) of the scaffold plate 1 in a direction crossing the length direction thereof, When the ridges 14 of the respective scaffold plate members 4, 5, 6, 7 and 8 act as anti-slip, and when the operator's shoes slide in the length direction of the scaffold plate 1, Since the convex portion 15 and the concave portion 16 formed on the convex strip portion 14 act as anti-slip, the shoe of the worker on the scaffolding plate 1 It is possible to improve the safety of work exerted effectively and sufficiently anti-slip effect in all directions relative to.

この場合、各足場板部材４，５，６，７，８の凸条部１４は、その上側面ａの両側縁部のみに条設された凸条部であり、しかしてその上側面ａにおける両側縁部の凸条部１４，１４の間が一段低くなって凹溝を形成した状態となるから、特に足場板の長さ方向と交差する方向に対する滑り止め効果をより有効に発揮することができる。 In this case, the ridges 14 of the respective scaffold plate members 4, 5, 6, 7, and 8 are ridges provided only on both side edges of the upper side surface a, and thus on the upper side surface a. Since the space between the ridges 14 and 14 on both side edges is lowered one step to form a groove, it is possible to more effectively exhibit the anti-slip effect particularly in the direction intersecting the length direction of the scaffolding plate. it can.

請求項２に係る発明によれば、各足場板部材４，５，６，７，８はその上下両側面ａ，ｂの夫々の両側縁部に夫々凸条部１４が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続するように形成されているから、この伸縮式足場板１の両端部を脚立、足場台、階段等の足場板保持構造物に載置して使用する場合に、各足場板部材４，５，６，７，８の下側面ｂ側の凸条部１４及びその凹凸部１５，１６が、その足場板保持構造物の接触面に対し滑り止め効果を発揮して、それらとの接地力を強め、それによって足場板の滑りを発生し難くする効果がある。 According to the second aspect of the present invention, each of the scaffold plate members 4, 5, 6, 7, and 8 has the ridges 14 integrally formed in the longitudinal direction of the scaffold plate at both side edges of the upper and lower side surfaces a and b. Since each convex strip 14 is formed so that convex portions 15 and concave portions 16 are alternately continued in the longitudinal direction, both ends of the telescopic scaffolding plate 1 are used as a stepladder and a scaffold base. In the case of being used by being placed on a scaffolding plate holding structure such as a staircase, the ridges 14 on the lower surface b side of the scaffolding plate members 4, 5, 6, 7, 8 and the concavo-convex portions 15, 16 are provided. The anti-slipping effect is exerted on the contact surface of the scaffold board holding structure, and the contact force with them is strengthened, thereby making it difficult to cause the scaffold board to slip.

以下に本発明の好適な実施形態を図面に基づいて説明すると、図１の(a) は本発明に係る伸縮式足場板１の全体概略斜視図、(b) は(a) の矢印Ｘにて示す部分の拡大図であり、図２は図１の(b) のＹ−Ｙ線拡大断面図である。この伸縮式足場板１は、足場板長さ方向に相対移動自在で伸縮自在に組み合わされた一対の足場板本体２，３からなり、各足場板本体２，３は、足場板幅方向に一定間隔をおいて互いに平行に配置された夫々５本ずつの足場板部材４，５，６，７，８からなるもので、一方の足場板本体２の足場板部材４，５，５，５，５が他方の足場板本体３の足場板部材６，７，７，７，８相互間に足場板長さ方向に相対移動自在に配置されている。 A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 (a) is an overall schematic perspective view of the telescopic scaffolding plate 1 according to the present invention, and (b) is an arrow X in (a). 2 is an enlarged cross-sectional view taken along line YY in FIG. 1B. The telescopic scaffolding plate 1 is composed of a pair of scaffolding plate bodies 2 and 3 that are relatively movable in the length direction of the scaffolding plate and are combined to be stretchable. Each scaffolding plate body 2 and 3 is constant in the width direction of the scaffolding plate. The scaffolding plate members 4, 5, 6, 7, 8 are arranged in parallel to each other at intervals, and the scaffolding plate members 4, 5, 5, 5, 5 of one scaffolding plate main body 2 are arranged. 5 is disposed between the scaffold plate members 6, 7, 7, 7, 8 of the other scaffold plate body 3 so as to be relatively movable in the length direction of the scaffold plate.

一方の足場板本体２の足場板部材４，５，５，５，５の足場板長さ方向一端部及び他方の足場板本体３の足場板部材６，７，７，７，８の足場板長さ方向一端部は、夫々、バンドプレート９，１０によって相互に連結され、また一方の足場板本体２の足場板部材４，５，５，５，５の足場板長さ方向他端部及び他方の足場板本体３の足場板部材６，７，７，７，８の足場板長さ方向他端部は、夫々、全ての足場板部材４，５，６，７，８に亘るように外嵌されたバンドプレート１１，１２によって相互に連結されている。 One end of the scaffold plate members 4, 5, 5, 5, 5 in one scaffold plate body 2 in the longitudinal direction and the scaffold plate members 6, 7, 7, 7, 8 of the other scaffold plate body 3 One end in the length direction is connected to each other by the band plates 9 and 10, and the other end in the length direction of the scaffold plate of the scaffold plate members 4, 5, 5, 5, 5 of one scaffold plate body 2 and The other end of the scaffold plate members 6, 7, 7, 7, and 8 in the other scaffold plate body 3 in the length direction of the scaffold plate extends over all the scaffold plate members 4, 5, 6, 7, and 8, respectively. The band plates 11 and 12 are externally connected to each other.

図２は一方の足場板本体２の足場板部材４，５，５，５，５の他端部側が一方のバンドプレート１１によって相互連結された部分の断面構造を示したもので、この一方のバンドプレート１１は、一方の足場板本体２の足場板部材４，５，５，５，５の夫々他端部にビス１３止め（あるいはリベット止め）され、他方のバンドプレート１２は、図示は省略するが、他方の足場板本体３の足場板部材６，７，７，７，８の夫々他端部にビス１３止め（あるいはリベット止め）され、従って両足場板本体２，３は足場板長さ方向に相対移動自在とされ、それによって足場板８は長さ方向に伸縮自在に構成されている。 FIG. 2 shows a cross-sectional structure of a portion where the other end portions of the scaffold plate members 4, 5, 5, 5, 5 of one scaffold plate body 2 are interconnected by one band plate 11. The band plate 11 is screwed (or riveted) to the other end of each of the scaffold plate members 4, 5, 5, 5 and 5 of one scaffold plate body 2, and the other band plate 12 is not shown. However, screws 13 (or rivets) are fixed to the other end portions of the scaffold plate members 6, 7, 7, 7, 8 of the other scaffold plate body 3, so that both of the scaffold plate bodies 2, 3 are the length of the scaffold plate The scaffolding plate 8 is configured to be freely movable in the longitudinal direction.

また、図１及び図２に示すように、両足場板本体２，３の足場板長さ方向両端部には、夫々棒状体からなる伸縮操作用ハンドル２５，２６が設けられている。即ち、図１の(b)
は足場板本体３の一端部に設けられたハンドル２６を示しており、このハンドル２６は、足場板本体３を構成する足場板部材６，７，７，７，８の足場板幅方向両端部の足場板部材６，８の先端部間にブラケット２７，２７を介して横架されている。このように足場板本体３の足場板幅方向両端部の足場板部材６，８の先端部間にハンドル２６が横架されるため、その中間の足場板部材７，７，７の夫々先端部が切除され、しかしてこれら先端部が切除された足場板部材７，７，７とその両端側の足場板部材６，８とがバンドプレート１０によって相互に連結されている。足場板本体２の一端部に設けられたハンドル２５の取付構造も上記ハンドル２６と同様である。 As shown in FIGS. 1 and 2, telescopic operation handles 25 and 26 each having a rod-like body are provided at both ends of the scaffold plate main bodies 2 and 3 in the length direction of the scaffold plate. That is, (b) of FIG.
Shows a handle 26 provided at one end of the scaffold plate body 3, and this handle 26 is the opposite ends of the scaffold plate members 6, 7, 7, 7, 8 constituting the scaffold plate body 3 in the scaffold plate width direction. The scaffold plate members 6 and 8 are horizontally mounted via brackets 27 and 27. As described above, since the handle 26 is horizontally mounted between the distal ends of the scaffold plate members 6 and 8 at both ends of the scaffold plate body 3 in the scaffold plate width direction, the distal ends of the intermediate scaffold plate members 7, 7, 7 are respectively provided. The scaffold plate members 7, 7, 7 with their tip portions removed and the scaffold plate members 6, 8 on both ends thereof are connected to each other by the band plate 10. The attachment structure of the handle 25 provided at one end of the scaffold board body 2 is the same as that of the handle 26.

上記のように両足場板本体２，３の足場板長さ方向両端部に伸縮操作用のハンドル２５，２６を設けたことにより、足場板本体２，３の伸縮操作を簡単容易に行なうことができる。またハンドル２５，２６は棒状体であるため、掴み易く、足場板本体２，３の伸縮操作が一層容易に行なえる。また、この棒状体からなるハンドル２５，２６は、図１の(b)
に示すように、足場板本体３を構成する足場板部材４，５，５，５，５（６，７，７，７，８）の足場板幅方向両端側の足場板部材４，５（６，８）間に横架されるから、足場板本体２，３の足場板長さ方向両端部に嵩張ることがなく的確に取り付けできる。 As described above, by providing the handles 25 and 26 for extending / contracting operation at both ends of the scaffolding plate main bodies 2 and 3 in the length direction of the scaffolding plate, the expansion and contraction operation of the scaffolding plate main bodies 2 and 3 can be performed easily and easily. it can. Moreover, since the handles 25 and 26 are rod-shaped bodies, they can be easily grasped and the scaffolding plate bodies 2 and 3 can be more easily expanded and contracted. Further, the handles 25 and 26 made of the rod-shaped body are formed as shown in FIG.
As shown in FIG. 2, the scaffold plate members 4, 5 (6, 7, 5, 5, 5 (6, 7, 7, 7, 8) constituting the scaffold plate body 3 on both sides in the width direction of the scaffold plate. 6 and 8), the scaffolding plate main bodies 2 and 3 can be accurately attached without being bulky at both ends of the scaffolding plate length direction.

上記一方の足場板本体２の一部を構成する足場板部材５と、他方の足場板本体３の一部を構成する足場板部材７とは同じ断面形状のアルミ押出型材、即ち断面が縦長矩形状の角筒状型材によって形成されたもので、この足場板部材５，７の一部を示す斜視図が図３の(a) であり、同図の(b) はその拡大斜視図を示す。 The scaffold plate member 5 constituting a part of the one scaffold plate body 2 and the scaffold plate member 7 constituting a part of the other scaffold plate body 3 are aluminum extruded molds having the same cross-sectional shape, that is, the cross-section is an oblong rectangle. 3 (a) is a perspective view showing a part of the scaffold plate members 5 and 7, and FIG. 3 (b) is an enlarged perspective view thereof. .

上記一方の足場板本体２における足場板幅方向一端側の足場板部材４と、この足場板部材６に対向する、他方の足場板本体３の足場板幅方向一端側の足場板部材６との間には、両方の足場板本体２，３を所要の伸縮位置にロックするためのロック装置Ｒが介装されている。尚、この伸縮式足場板１は、その上面側と下面側とは同じ形状であって、上下何れの側を上向きにして使用してもよい。 A scaffold plate member 4 on one end side in the scaffold plate width direction of the one scaffold plate body 2 and a scaffold plate member 6 on one end side in the scaffold plate width direction of the other scaffold plate body 3 facing the scaffold plate member 6. In between, a lock device R for locking both scaffold board main bodies 2 and 3 in a required expansion / contraction position is interposed. The telescopic scaffolding plate 1 has the same shape on the upper surface side and the lower surface side, and may be used with either the upper or lower side facing upward.

上記足場板部材５，７には、図３の(a) ，(b) に示すように、その上側面ａの両側縁部に夫々凸条部１４が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続する鋸歯状に形成されており、この凸条部１４自体と、この凸条部１４に形成された凸部１５及び凹部１６とによって滑り止めが構成される。また、図示は省略するが、この足場板部材５，７の下側面ｂの両側縁部にも夫々同じような凸条部が足場板長手方向に一体に条設され、各凸条部にはその長手方向に凸部と凹部とが交互に連続する鋸歯状に形成されていて、この凸条部自体と、この凸条部の凸部及び凹部とによって滑り止めが構成される。尚、図３において、１７は足場板部材５，７の上側面ａ及び下側面ｂの夫々中心部側に条設された足場板長さ長手方向に延びる凸条部で、足場板部材５，７の上下各側面ａ，ｂからの突出高さは前記凸条部１４の突出高さよりも低い。 As shown in FIGS. 3 (a) and 3 (b), the above-mentioned scaffold plate members 5 and 7 are integrally provided with projecting strips 14 on both side edges of the upper side surface a in the longitudinal direction of the scaffold plate. Each protrusion 14 is formed in a sawtooth shape in which protrusions 15 and recesses 16 are alternately continued in the longitudinal direction. The protrusions 14 themselves and the protrusions formed on the protrusions 14 are formed. The part 15 and the recessed part 16 constitute a slip stopper. Although not shown in the drawings, similar ridges are integrally formed in the longitudinal direction of the scaffold plate on both side edges of the lower surface b of the scaffold plate members 5 and 7, respectively. A convex portion and a concave portion are alternately formed in the longitudinal direction in a sawtooth shape, and the convex portion and the convex portion and the concave portion of the convex portion constitute a slip stopper. In FIG. 3, reference numeral 17 denotes a convex strip extending in the longitudinal direction of the scaffold plate length provided on the center side of each of the upper side surface a and the lower side surface b of the scaffold plate members 5, 7. The protruding height from the upper and lower side surfaces a and b is lower than the protruding height of the ridge 14.

また、一方の足場板本体２の一部を構成する足場板部材４と、他方の足場板本体３の一部を構成する足場板部材８とは同じ断面形状のアルミ押出型材、即ち断面が略々コ字形を成すリップ付き溝型材により形成されたもので、この足場板部材４，８の一部を示す斜視図が図４の(a) であり、同図の(b) はその拡大斜視図を示す。 The scaffold plate member 4 constituting a part of one scaffold plate main body 2 and the scaffold plate member 8 constituting a part of the other scaffold plate main body 3 are aluminum extruded molds having the same cross-sectional shape, that is, the cross section is substantially the same. FIG. 4 (a) is a perspective view showing a part of the scaffold plate members 4 and 8, and FIG. 4 (b) is an enlarged perspective view thereof. The figure is shown.

上記足場板部材４，８には、図４の(a) ，(b) に示すように、その上側面ａの両側縁部に夫々凸条部１４が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続する鋸歯状に形成されており、この凸条部１４自体と、この凸条部１４に形成された凸部１５及び凹部１６とによって滑り止めが構成される。また図示は省略するが、この足場板部材４，８の下側面ｂの両側縁部にも夫々同じような凸条部が足場板長手方向に一体に条設され、各凸条部にはその長手方向に凸部と凹部とが交互に連続する鋸歯状に形成されていて、この凸条部１４自体と、この凸条部１４の凸部１５及び凹部１６とにより滑り止めが構成される。この図４において、１８は足場板部材４，８の上側面ａ及び下側面ｂの夫々両側縁部の間に条設された足場板長さ長手方向に延びる凸条部で、足場板部材４，８の上下各側面ａ，ｂからの突出高さは前記凸条部１４の突出高さよりも低い。 As shown in FIGS. 4 (a) and 4 (b), the above-mentioned scaffold plate members 4 and 8 are integrally provided with convex strips 14 on both side edges of the upper side surface a in the longitudinal direction of the scaffold plate. Each protrusion 14 is formed in a sawtooth shape in which protrusions 15 and recesses 16 are alternately continued in the longitudinal direction. The protrusions 14 themselves and the protrusions formed on the protrusions 14 are formed. The part 15 and the recessed part 16 constitute a slip stopper. Although not shown in the drawings, similar ridges are integrally formed in both side edges of the lower surface b of the scaffold plate members 4 and 8, respectively, in the longitudinal direction of the scaffold plate. A convex portion and a concave portion are alternately formed in a sawtooth shape in the longitudinal direction, and the convex portion 14 itself, and the convex portion 15 and the concave portion 16 of the convex portion 14 constitute a slip stopper. In FIG. 4, reference numeral 18 denotes a convex strip portion extending in the longitudinal direction of the scaffold plate length provided between both side edges of the upper side surface a and the lower side surface b of the scaffold plate members 4, 8. , 8 from the upper and lower side surfaces a, b is lower than the protruding height of the ridge 14.

図５の(a) は足場板本体３を構成する５本の足場板部材６，７，７，７，８のうちの、ロック装置Ｒが介装される足場板部材６の一部拡大斜視図であり、(b) はその断面図である。この足場板部材６は、断面が略々コ字形の型材からなるもので、上側面ａの両側縁部に夫々凸条部１４が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部１５と凹部１６とが交互に連続する鋸歯状に形成されており、この凸条部１４とこれに形成された凸部１５及び凹部１６とによって滑り止めが構成される。また図示は省略するが、この足場板部材６の下側面ｂの両側縁部にも夫々凸条部が足場板長手方向に一体に条設され、各凸条部１４にはその長手方向に凸部と凹部とが交互に連続する鋸歯状に形成されていて、この凸条部１４とこれの凸部１５及び凹部１６とによって滑り止めが構成される。この図５において、１９は足場板部材６の上側面ａ及び下側面ｂの夫々両側縁部の間に条設された足場板長さ長手方向に延びる凸条部で、その突出高さは前記凸条部１４の突出高さよりも低い。 FIG. 5A is a partially enlarged perspective view of the scaffold plate member 6 in which the lock device R is interposed among the five scaffold plate members 6, 7, 7, 7, 8 constituting the scaffold plate body 3. (B) is a cross-sectional view thereof. The scaffold plate member 6 is formed of a substantially U-shaped cross-section, and projecting ridge portions 14 are integrally formed in both side edge portions of the upper side surface a in the longitudinal direction of the scaffold plate. The protrusions 15 and the recesses 16 are alternately formed in a sawtooth shape in the longitudinal direction, and the protrusions 14 and the protrusions 15 and the recesses 16 formed on the protrusions 14 constitute a slip stopper. The Although not shown in the figure, convex ridges are integrally formed in both side edges of the lower side surface b of the scaffold plate member 6 in the longitudinal direction of the scaffold plate, and each ridge 14 projects in the longitudinal direction. The convex portions 14 and the convex portions 15 and the concave portions 16 constitute a slip stopper. In FIG. 5, 19 is a convex strip portion extending in the longitudinal direction of the length of the scaffold plate provided between both side edges of the upper side surface a and the lower side surface b of the scaffold plate member 6, and the projecting height thereof is as described above. It is lower than the protruding height of the ridge 14.

各足場板本体２，３を構成する各足場板部材４，５，６，７，８を製作するにあたり、各足場板部材４，５，６，７，８の上下側面ａ，ｂの両側縁部に夫々条設する凸条部１４は、アルミ材の押し出し成型時に同時に形成されるが、各凸条部１４にその長手方向に沿って凸部１５と凹部１６とを交互に連続するように形成するには、各足場板部材４，５，６，７，８の上下各側面ａ，ｂの両側縁部に条設されている凸条部１４，１４に対して、例えばラチェット歯形を有するラチェットホイールを押し付けて、ラチェット加工を施すことによって、その凸条部１４に、凸部１５と凹部１６とを交互に連続する鋸歯状に簡単容易に形成することができる。 In manufacturing the respective scaffold plate members 4, 5, 6, 7, and 8 constituting the respective scaffold plate bodies 2 and 3, both side edges of the upper and lower side surfaces a and b of the respective scaffold plate members 4, 5, 6, 7, and 8 The ridges 14 provided on the respective portions are formed at the same time when the aluminum material is extruded, so that the ridges 15 and the recesses 16 are alternately continued along the longitudinal direction of each ridge 14. In order to form, for example, a ratchet tooth profile is formed on the convex strips 14 and 14 provided on both side edges of the upper and lower side surfaces a and b of the respective scaffold plate members 4, 5, 6, 7 and 8. By pressing the ratchet wheel and performing ratchet processing, the convex portions 15 and the concave portions 16 can be easily and easily formed in the convex strip portions 14 in a sawtooth shape.

上記のように構成される伸縮式足場板１によれば、各足場板部材４，５，６，７，８にはその上下各側面ａ，ｂの両側縁部に夫々凸条部１４が足場板長手方向に一体に条設されていて、各凸条部１４にその長手方向に凸部１５と凹部１６とが交互に連続する鋸歯状に形成されていることにより、この足場板１を使用する際に、作業者の靴等が足場板１の上面側（踏み面側）をその長さ方向と交差する（直交又は斜交する）方向に摺動するような時は、各足場板部材４，５，６，７，８の凸条部１４それ自体が滑り止めとして作用し、また作業者の靴等が足場板１の長さ方向に沿って摺動するような時には、各凸条部１４に形成されている凸部１５と凹部１６とが滑り止めとして作用することになり、それにより足場板１上における作業者の靴等に対し全方向に滑り止め効果を有効且つ十分に発揮して作業の安全性の向上を図ることができる。 According to the telescopic scaffolding plate 1 configured as described above, the scaffolding plate members 4, 5, 6, 7, and 8 have the ridges 14 on the side edges of the upper and lower side surfaces a and b, respectively. The scaffold plate 1 is used by being integrally formed in the longitudinal direction of the plate, and by forming the convex portions 15 and concave portions 16 alternately in the longitudinal direction on each convex portion 14 in a sawtooth shape. When the operator's shoes slide in the direction intersecting (orthogonal or oblique) the upper surface side (the tread surface side) of the scaffold plate 1 during the operation, each scaffold plate member When the ridges 14, 4, 6, 7, 8 themselves act as anti-slip and the operator's shoes slide along the length direction of the scaffold plate 1, each ridge The convex part 15 and the concave part 16 formed in the part 14 act as anti-slip, so that the worker's shoes on the scaffolding plate 1 It is possible to improve the safety of work exerted effectively and sufficiently anti-slip effect in all directions relative to.

この場合、各足場板部材４，５，６，７，８の凸条部１４は、その上側面ａの両側縁部のみに条設された凸条部であり、しかしてその上側面ａにおける両側縁部の凸条部１４，１４の間が一段低くなって凹溝を形成した状態となるから、特に足場板の長さ方向と交差する方向に対する作業者の靴等の滑りを有効に阻止し、その方向の滑り止め効果をより有効に発揮することができる。 In this case, the ridges 14 of the respective scaffold plate members 4, 5, 6, 7, and 8 are ridges provided only on both side edges of the upper side surface a, and thus on the upper side surface a. Since the gap between the ridges 14, 14 on both side edges is lowered to form a concave groove, it is particularly effective to prevent slipping of the operator's shoes, etc., particularly in the direction intersecting the length direction of the scaffolding plate. In addition, the anti-slip effect in that direction can be more effectively exhibited.

以上の実施形態では、各足場板部材４，５，６，７，８の上側面ａ及び下側面ｂの夫々の両側縁部に夫々凸条部１４を足場板長手方向に一体に条設し、各凸条部１４をその長手方向に凸部１５と凹部１６とが交互に連続する鋸歯状に形成したものであるが、各足場板部材４，５，６，７，８の上側面ａにのみ、その両側縁部に夫々凸条部１４を足場板長手方向に一体に条設し、各凸条部１４を凸部１５と凹部１６とが交互に連続する鋸歯状に形成してもよい。 In the above embodiment, the protruding strips 14 are integrally provided in the longitudinal direction of the scaffolding plate at the respective side edges of the upper side surface a and the lower side surface b of each scaffolding plate member 4, 5, 6, 7, 8. The convex strips 14 are formed in a sawtooth shape in which the convex portions 15 and the concave portions 16 are alternately continuous in the longitudinal direction, and the upper side surface a of each scaffold plate member 4, 5, 6, 7, 8. In other words, the ridges 14 are integrally formed in the longitudinal direction of the scaffolding plate on both side edges, and each ridge 14 is formed in a sawtooth shape in which the protrusions 15 and the recesses 16 are alternately continuous. Good.

この実施形態のように、各足場板部材４，５，６，７，８の上側面ａ及び下側面ｂの夫々の両側縁部に夫々凸条部１４を足場板長手方向に一体に条設し、各凸条部１４を長手方向に凸部１５と凹部１６とが交互に連続する鋸歯状に形成した伸縮式足場板１によれば、この伸縮式足場板１の両端部を脚立、足場台、階段等の足場板保持構造物に載置して使用する場合に、各足場板部材４，５，６，７，８の下側面ｂ側の凸条部１４及びその凹凸部１５，１６が、その足場板保持構造物の接触面に対し滑り止め効果を発揮して、それらとの接地力を強め、それによって足場板の滑りを発生し難くする効果がある。 As in this embodiment, the protruding strips 14 are integrally formed in the longitudinal direction of the scaffolding plate at the respective side edges of the upper side surface a and the lower side surface b of each of the scaffolding plate members 4, 5, 6, 7, 8. According to the telescopic scaffolding plate 1 in which the convex strips 14 are formed in a sawtooth shape in which the convex portions 15 and the concave portions 16 are alternately continuous in the longitudinal direction, both ends of the telescopic scaffolding plate 1 are stepladders and scaffolds. When mounted on a scaffolding board holding structure such as a table or staircase, the protruding strips 14 on the lower surface b side of the scaffolding board members 4, 5, 6, 7, 8 and the uneven parts 15, 16 thereof. However, the anti-slip effect is exerted on the contact surface of the scaffold board holding structure, and the contact force with them is strengthened, thereby making it difficult to cause the scaffold board to slip.

また、この実施形態では、各凸条部１４に形成される凸部１５を山形とし、凹部１６を逆山形として、これらの山形凸部１５と逆山形の凹部１６とを鋸歯状に形成しているが、凸部１５と凹部１６とを夫々矩形状として、凸部１５と凹部１６とが矩形状の歯形を形成するようにしてもよい。 Moreover, in this embodiment, the convex part 15 formed in each convex strip part 14 is made into a mountain shape, the recessed part 16 is made into an inverted mountain shape, and these mountain shaped convex part 15 and the inverted mountain shaped recessed part 16 are formed in sawtooth shape. However, the convex portion 15 and the concave portion 16 may be rectangular, and the convex portion 15 and the concave portion 16 may form a rectangular tooth profile.

(a) は本発明に係る伸縮式足場板の全体概略斜視図、(b) は(a) の矢印Ｘで示す部分の拡大図である。(a) is the whole schematic perspective view of the expansion-contraction type scaffolding plate based on this invention, (b) is an enlarged view of the part shown by the arrow X of (a). 図１の(b) のＹ−Ｙ線拡大断面図である。It is the YY line expanded sectional view of (b) of FIG. (a) は足場板本体の構成する一つの足場板部材を示す一部拡大斜視図、(b)はそれを更に拡大した斜視図である。(a) is a partially enlarged perspective view showing one scaffold board member constituting the scaffold board body, and (b) is a further enlarged perspective view thereof. (a) は足場板本体の構成する他の一つの足場板部材を示す一部拡大斜視図、 (b)はその断面で図である。(a) is a partially enlarged perspective view showing another scaffold plate member constituting the scaffold plate body, and (b) is a cross-sectional view thereof. (a) は足場板本体の構成する更に他の一つの足場板部材を示す一部拡大斜視図、(b) はその断面図である。(a) is a partially enlarged perspective view showing still another scaffold plate member constituting the scaffold plate body, and (b) is a sectional view thereof.

Explanation of symbols

１伸縮式足場板
２，３足場板本体
４〜８足場板部材
１４凸条部
１５凸部
１６凹部
２５，２６伸縮操作用ハンドル
DESCRIPTION OF SYMBOLS 1 Telescopic scaffolding board 2, 3 Scaffolding board main body 4-8 Scaffolding board member 14 Convex part 15 Convex part 16 Concave part 25, 26 Telescopic operation handle

Claims

It consists of a pair of scaffolding plate bodies combined in a stretchable manner, and each scaffolding plate body has a plurality of scaffolding plate members arranged parallel to each other at a certain interval in the scaffolding plate width direction. In the telescoping scaffolding plate in which the scaffolding plate member is disposed between the scaffolding plate members of the other scaffolding plate body so as to be relatively movable in the length direction of the scaffolding plate, each scaffolding plate member is provided on both side edges of the upper side surface thereof. Each of the ridges is integrally formed in the longitudinal direction of the scaffolding plate, and each ridge is formed such that the ridges and recesses are alternately continued in the longitudinal direction. Board.

Each scaffold plate member has a ridge portion integrally formed in the longitudinal direction of the scaffold plate at each side edge of each of the upper and lower side surfaces, and each projecting ridge portion has peaks and recesses alternately in the longitudinal direction. The stretchable scaffold board according to claim 1, wherein the stretchable scaffold board is formed so as to be continuous with the base plate.