JP4220561B2 - Tightening device for wedge-tight scaffolding - Google Patents

Tightening device for wedge-tight scaffolding Download PDF

Info

Publication number
JP4220561B2
JP4220561B2 JP2007125714A JP2007125714A JP4220561B2 JP 4220561 B2 JP4220561 B2 JP 4220561B2 JP 2007125714 A JP2007125714 A JP 2007125714A JP 2007125714 A JP2007125714 A JP 2007125714A JP 4220561 B2 JP4220561 B2 JP 4220561B2
Authority
JP
Japan
Prior art keywords
wedge
bracket
receiving
central
guide
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.)
Active
Application number
JP2007125714A
Other languages
Japanese (ja)
Other versions
JP2008280743A (en
Inventor
勝彦 坂本
Original Assignee
東阪工業株式会社
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
Application filed by 東阪工業株式会社 filed Critical 東阪工業株式会社
Priority to JP2007125714A priority Critical patent/JP4220561B2/en
Publication of JP2008280743A publication Critical patent/JP2008280743A/en
Application granted granted Critical
Publication of JP4220561B2 publication Critical patent/JP4220561B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Description

本発明は、くさび緊結式足場における緊結装置に関する。   The present invention relates to a binding device in a wedge binding type scaffold.
なお、この明細書において、支柱と腕木材との関係において、前とは緊結する支柱のある側を、後とは緊結する腕木材のある側をいうものとする。   In this specification, in the relationship between the support column and the arm wood, the front side refers to the side with the support column to be tightened, and the rear side refers to the side with the arm wood to be tightened.
従来の上記緊結装置は、支柱の所定高さ外周に固着せられた受け金具と、2つの支柱間に渡される腕木材の端部に固着せられたくさび状係止金具とよりなり、くさび状係止金具を受け金具にハンマーで上から叩き込んで係止することにより、支柱と腕木材とを緊結していた。また、支柱と腕木材との緊結を解除するさいには、腕木材のくさび状係止金具を支柱の受け金具からハンマーで下から叩き上げて係止を解除するか、または支柱の受け金具の近くの腕木材の端部をハンマーで下から叩き上げて同端部に固着せられているくさび状係止金具の係止を解除していた。このように、支柱と腕木材の緊結は、くさび状係止金具を受け金具に固く差し込むことより行われているだけであるから、腕木材の下を大きな工具を持って通過したり、資材の取付け作業をするさいに、工具や資材が腕木材に当たったりするなどして腕木材に不測の力が下から加わると、くさび状係止金具の係止が緩み、受け金具からくさび状係止金具が外れる危険性があった。さらに、従来から広く一般に用いられてきた枠組足場に使用されている薄鋼板製の床付き布わくを腕木材に取付けた場合、床付き布わくは腕木材に対してロック機能を有しているので、これに下からの風圧が加わると、腕木材のくさび状係止金具が受け金具から外れて腕木材もろとも床付き布わくが落下する危険性があった。そこで、床付き布わくとして風の吹き抜けるエキスパンドメタル製のものを使用している。このエキスパンドメタル製のものは薄鋼板製のものに較べて幅が狭いので、これを薄鋼板製のものと同じ幅の床付き布わくにすると、重量が重くなりかつ高価になる。したがって、床付き布わくの幅を狭くしているが、幅が狭いとその上で作業する者に不安感を与える。しかも、エキスパンドメタル製のものは下が透けて見えるので、作業床や通路としては一層の不安感を与えるという問題があった。   The above-mentioned conventional fastening device is composed of a receiving bracket fixed to the outer periphery of a predetermined height of a support column and a wedge-shaped locking bracket fixed to an end of an arm lumber passed between the two support columns. The struts and arm lumbers were tightly bound by hitting the retaining brackets with a hammer from above and locking them. In addition, when releasing the tightness between the support column and the arm lumber, either release the lock by hitting the wedge lock bracket of the arm lumber from below with the hammer of the support column or near the support bracket of the prop. The end of the arm wood was struck from below with a hammer to release the lock of the wedge-shaped lock fitting fixed to the end. In this way, the support column and arm timber are simply tightened by receiving the wedge-shaped locking bracket and inserting it firmly into the bracket. During installation, if an unexpected force is applied to the arm wood from below, such as when a tool or material hits the arm wood, the wedge-shaped locking bracket will loosen, and the wedge-shaped locking will start from the receiving bracket. There was a risk that the bracket would come off. Furthermore, when a sheet steel floor cloth used in a frame scaffold that has been widely used in the past is attached to the arm wood, the floor cloth has a lock function for the arm wood. Therefore, when wind pressure is applied from below, there is a risk that the wedge-shaped metal fittings of the arm wood will come off the receiving metal and the cloth with the floor will fall together with the arm wood. Therefore, an expanded metal fabric that blows through the wind is used as a cloth with a floor. Since the expanded metal is narrower than the thin steel plate, if it is made of cloth with a floor having the same width as that of the thin steel plate, it becomes heavy and expensive. Therefore, although the width of the cloth with the floor is narrowed, if the width is narrow, anxiety is given to those who work on it. In addition, since the bottom made of expanded metal can be seen through, there is a problem that the work floor and the passage give further anxiety.
仮設構造物を構成する支柱と水平材の連結装置において、特許文献1に開示されているような係止が不測に解除されないとする下記装置が提案されている。すなわち、この提案装置は、受け金具が、平面からみてコ形で中央壁の幅中央に上方開口垂直溝を有しており、係止金具が、水平材の端面板から前方にのび、受け金具の中央壁の垂直溝に嵌め込まれる横断面縦長方形の水平突出部と、水平突出部の先端に設けられて受け金具の中央壁と支柱との間に差し込まれる係止爪と、係止爪の後方において、中央に形成せられた下方開口垂直溝により水平突出部に前後摺動自在に引っ掛けられかつ下端に前向き水平凸部を有し、前面からみて縦長方形、側面からみて逆く形で、前方の係止爪とで中央壁を挟圧するばね製中央壁挟圧部材と、挟圧部材と端面板との間において水平突出部に上下動自在に引っ掛けられ、前面からみて逆U形、側面からみて上半が幅広に、下半が幅狭となされかつ両下端部に抜け止めピンが渡されているくさび部材とを備えているものである。
特開2003−56176号公報 特開2006−45822号公報
In the connecting device between the support and the horizontal member constituting the temporary structure, the following device has been proposed in which the locking as disclosed in Patent Document 1 is not unexpectedly released. That is, in this proposed apparatus, the receiving bracket is U-shaped when viewed from the plane and has an upper opening vertical groove in the center of the width of the central wall, and the locking bracket extends forward from the end plate of the horizontal member, and the receiving bracket. A horizontal projection having a rectangular cross section that fits in a vertical groove in the central wall of the central wall, a locking claw that is provided at the tip of the horizontal projection and is inserted between the central wall of the receiving bracket and the support column, In the rear, it is hooked slidably back and forth on the horizontal protrusion by a downward opening vertical groove formed in the center and has a forward horizontal convex part at the lower end, in the form of a vertical rectangle seen from the front, reversed from the side, A spring-made central wall clamping member that clamps the central wall with the front locking claw, and a hook that is vertically movable between the clamping member and the end plate so that it can be moved up and down. When viewed from the top, the upper half is wide and the lower half is narrow. Only those that and a wedge member which locking pin is passed.
JP 2003-56176 A JP 2006-45822 A
特許文献1に開示の提案装置によれば、係止金具の係止爪を受け金具の中央壁と支柱との間に差し込んだ後、上昇位置にあるくさび部材の上端を数回金槌で叩き、その上半幅広部を下げて逆く形のばね製中央壁挟圧部材をばね力に抗して前進させ、係止爪とで中央壁を狭圧し、支柱と水平材を連結するものであるから、連結時中央壁挟圧部材のばね力が働いており、簡単にはくさび部材が上に抜けることはない。しかしながら、ばね製中央壁挟圧部材は、逆く形であるから、これとくさび部材の上半幅広部との間の上下にV状および逆V状の隙間が生じる。したがって、水平材はわずかではあるが、支柱に対して不安定である。   According to the proposed device disclosed in Patent Document 1, after inserting the locking claw of the locking metal fitting between the central wall of the metal fitting and the column, the upper end of the wedge member at the raised position is hit with a hammer several times. The upper half-width part is lowered and the spring-shaped central wall clamping member made of springs is advanced against the spring force, the central wall is narrowed by the locking claw, and the column and the horizontal member are connected. Therefore, the spring force of the central wall clamping member is working at the time of connection, and the wedge member does not easily fall upward. However, since the spring center wall clamping member has an inverted shape, V-shaped and inverted V-shaped gaps are formed above and below the upper half wide portion of the wedge member. Accordingly, the horizontal member is slight but unstable with respect to the column.
本発明の目的は、支柱からの腕木材の不測の緊結解除と支柱に対する腕木材の不安定さをともに解決したくさび緊結式足場における緊結装置を提供するにある。   It is an object of the present invention to provide a binding device in a wedge-type scaffold that solves both the unexpected release of arm wood from the support and the instability of the arm wood with respect to the support.
請求項1の発明によるくさび緊結式足場における緊結装置は、支柱の所定高さ外周に固着せられた受け金具と、2つの支柱間に渡される腕木材の端部に前側が露出するように埋入付設せられかつ受け金具に係止せられる係止金具とよりなり、受け金具は、平面からみてコ形で中央壁が前下がりに傾斜せしめられており、係止金具は、緊結のため降下せしめるさいに支柱と接する垂直部を備えた前縁と受け金具の中央壁と略同じ斜度で前下がりに傾斜した後縁を有する縦長板状のくさびと、一部が腕木材から下方に突出しかつ平面からみて受け金具に嵌る大きさのコ形で中央壁が受け金具の中央壁と同じ斜度で前下がりに傾斜せしめられており、くさびが上下動自在に挿入されているくさび案内部材と、くさびとくさび案内部材の中央壁の間に介在せられて上端部がくさび案内部材の上部に前後揺動自在に取付けられ、かつ下端部に後方に突出した抜け止め突起が設けられるとともに、押しばねでくさび側に付勢せられている揺動バーとを備えており、くさび案内部材の両側壁にくさび脱出阻止バーが渡し止められ、くさび脱出阻止バーが横断しかつくさびの上下動に必要な縦長さで緊結解除時くさび脱出阻止バーが接する後縁を備えた縦長孔または前向き切欠部がくさびに形成せられ、くさび案内部材の腕木材から下方が受け金具への挿入部となされ、くさび案内部材の中央壁における挿入部部分には、前後貫通状抜け止め突起収納部が形成せられ、くさび案内部材の挿入部が受け金具に挿入されて受け金具の上端に腕木材の端部が受け止められた状態において、受け金具の中央壁に抜け止め突起収納孔に対応して抜け止め突起受け入れ部が形成せられ、抜け止め突起受け入れ部は、係止金具が受け金具から上方に抜けようとしたさい抜け止め突起が引っ掛かる上縁を有しており、揺動バーが、緊結時ばね力を抗して後方に揺動して抜け止め突起を受け金具の抜け止め突起受け入れ部に押し入れ、緊結解除時ばね力により前方に揺動して抜け止め突起を受け金具の抜け止め突起受け入れ部から引き出すように、くさび案内部材の中央壁とくさびとの間隔が定められているものである。   The binding device for the wedge-binding scaffold according to the invention of claim 1 is embedded so that the front side is exposed at the end of the arm lumber passed between the support metal and the two support columns fixed to the outer periphery of the predetermined height of the support column. It consists of a locking bracket that is installed and locked to the receiving bracket. The receiving bracket is U-shaped with the center wall tilted forward and downward, and the locking bracket is lowered for tightening. Finally, a longitudinal plate-shaped wedge having a front edge with a vertical part in contact with the column and a rear edge inclined forward and downward at substantially the same inclination as the central wall of the bracket, and a part protrudes downward from the arm wood and A wedge guide member in which the central wall is tilted forward and downward at the same inclination as the central wall of the metal fitting, and the wedge is movably moved up and down, with a U shape that fits into the metal fitting when viewed from the plane, Between the wedge and the central wall of the wedge guide member The upper end is attached to the upper part of the wedge guide member so as to be able to swing back and forth, and the lower end part is provided with a retaining protrusion protruding rearward and is urged toward the wedge side by a push spring. The wedge escapement prevention bar is passed between both side walls of the wedge guide member, and the wedge escape prevention bar can only move across the vertical length required for vertical movement of the wedge. A vertically long hole with a trailing edge that contacts or a forward notch is formed in the wedge, and the lower part from the arm lumber of the wedge guide member is an insertion part to the receiving metal fitting, and the insertion part portion in the central wall of the wedge guide member is In the state where the front and rear penetrating retaining projection storage portion is formed, the insertion portion of the wedge guide member is inserted into the receiving bracket, and the end of the arm lumber is received at the upper end of the receiving bracket, the central wall of the receiving bracket A retaining projection receiving portion is formed corresponding to the retaining projection receiving hole, and the retaining projection receiving portion has an upper edge on which the retaining projection is caught when the locking bracket attempts to be pulled upward from the receiving bracket. The swing bar swings backward against the spring force when tightening and receives the retaining protrusion into the retaining protrusion receiving part of the bracket, and swings forward and retracts due to the spring force when tightening is released. The distance between the central wall of the wedge guide member and the wedge is determined so as to be pulled out from the retaining projection receiving portion of the metal fitting.
請求項2の発明は、請求項1記載のくさび緊結式足場における緊結装置において、腕木材が金属管製であり、金属管端部の上下周壁対向部にくさび案内部材の対応部分が密に嵌る平面からみてコ形の切欠部が設けられ、くさび案内部材がその上縁を管の上端よりわずかに突出するように上下切欠部に嵌め入れられて腕木に溶接せられており、くさび案内部材の両側壁に止められている揺動バーの上端部がくさび案内部材の上縁を上方に越えないようになされているとともに、くさび案内部材に挿入せられたくさびは、緊結時その上縁全体のうち少なくとも枠組足場用薄鋼板製床付き布わくのつかみ金具の掛かる部分がくさび案内部材の上縁とほぼ同じ高さとなる形状に形成せられているものである。   According to a second aspect of the present invention, in the binding device in the wedge-tightening type scaffold according to the first aspect, the arm lumber is made of a metal tube, and the corresponding portion of the wedge guide member is closely fitted to the upper and lower peripheral wall facing portions of the end portion of the metal tube. A U-shaped notch is provided when viewed from the plane, and the wedge guide member is fitted into the upper and lower notches so that its upper edge slightly protrudes from the upper end of the pipe, and is welded to the arm. The upper end of the swing bar fixed to the both side walls does not exceed the upper edge of the wedge guide member, and the wedge inserted into the wedge guide member is Among them, at least a portion of the cloth scaffolding with the thin steel plate floor for the frame scaffolding is formed in a shape that is substantially the same height as the upper edge of the wedge guide member.
請求項3の発明は、請求項1または2記載のくさび緊結式足場における緊結装置において、押しばねがコイルばねであり、このコイルばねは、揺動バー下端寄りにあけられた後向き有底孔に後方突出状態に嵌め入れられ、その後方突出端はくさび案内部材の中央壁前面で受けられているものである。   According to a third aspect of the present invention, in the binding device for the wedge-tightening type scaffolding according to the first or second aspect, the push spring is a coil spring, and the coil spring is formed in a rearward bottomed hole opened near the lower end of the swing bar. The rear projecting end is fitted into the rear projecting state, and the rear projecting end is received by the front surface of the central wall of the wedge guide member.
請求項1の発明によれば、受け金具の上端に腕木材の端部が直接受け止められており、くさび作用により腕木材がぐらつくことがないので、腕木材はしっかりと水平に保たれ、しかも、薄鋼板製の床付き布わくを使用してこれに風圧が下から加わったとしても、係止金具側の抜け止め突起が受け金具の抜け止め突起受け入れ部の上縁に引っ掛かるので、係止金具が受け金具から上に抜ける危険性はない。したがって、エキスパンドメタル製でなく薄鋼板製の床付き布わくを使用できるという利点がある。   According to the invention of claim 1, the end of the arm lumber is directly received by the upper end of the metal fitting, and the arm lumber does not wobble due to the wedge action, so that the arm lumber is kept firmly and level, Even if a sheet steel floor cloth is used and wind pressure is applied from below, the retaining projection on the retaining bracket side will catch on the upper edge of the retaining projection receiving portion of the retaining bracket. There is no risk that the will come out of the bracket. Therefore, there is an advantage that a cloth with a floor made of a thin steel plate can be used instead of the expanded metal.
従来のくさび緊結式足場では、腕木材の両端部にあるくさび状係止金具につかみ金具が当たらない幅の床付き布わくを使用していた。枠組足場の場合、床付き布わくのつかみ金具は、縦枠の横架材をつかむので、横架材端部には障害物がなく、くさび緊結式足場用床付き布わくより幅の広い床付き布わくを使用している。従来のくさび緊結式足場に幅の広い床付き布わくを使用しようとすれば、床付き布わくの両端のつかみ金具間の幅を腕木材の両端部にあるくさび状係止金具を避けるように狭くした特別製品を製造せざるを得ない不便がある。   In the conventional wedge-binding scaffold, a cloth cloth with a floor having a width that does not hit the wedge-shaped fittings at both ends of the arm lumber is used. In the case of a framed scaffold, the cloth bracket with a floor grips the horizontal frame of the vertical frame, so there is no obstacle at the end of the horizontal frame, and the floor is wider than the cloth with the wedge-tight scaffolding floor. A cloth with a cloth is used. If you want to use a cloth with a wide floor for a conventional wedge-tight scaffold, make sure that the width between the grips on both ends of the floor cloth is avoided from the wedge-shaped locking brackets on both ends of the arm lumber. There is an inconvenience to make a special product that is narrow.
請求項2の発明によれば、腕木材が金属管製であり、金属管端部の上下周壁対向部にくさび案内部材の対応部分が密に嵌る平面からみてコ形の切欠部が設けられ、くさび案内部材がその上縁を管の上端よりわずかに突出するように上下切欠部に嵌め入れられて腕木に溶接せられており、くさび案内部材の両側壁に止められている揺動バーの上端部がくさび案内部材の上縁を上方に越えないようになされているとともに、くさび案内部材に挿入せられたくさびは、緊結時その上縁全体のうち少なくとも枠組足場用薄鋼板製床付き布わくのつかみ金具の掛かる部分がくさび案内部材の上縁とほぼ同じ高さとなる形状に形成せられているから、上で作業する者が安心できる幅の枠組足場用薄鋼板製床付き布わくをそのまま使用でき、それに伴って妻側用の朝顔、養生枠、シートなどの枠組足場に使われていた部材もそのまま利用可能となる利点がある。   According to the invention of claim 2, the arm wood is made of a metal tube, and a U-shaped notch portion is provided as viewed from the plane in which the corresponding portion of the wedge guide member is closely fitted to the upper and lower peripheral wall facing portions of the end portion of the metal tube, The wedge guide member is fitted in the upper and lower cutouts so that its upper edge slightly protrudes from the upper end of the pipe and welded to the arm, and the upper end of the swing bar that is fixed to both side walls of the wedge guide member The wedge is inserted into the wedge guide member so that the wedge does not exceed the upper edge of the wedge guide member. Since the part where the metal fittings are hooked is formed in a shape that is almost the same height as the upper edge of the wedge guide member, the cloth with a thin steel sheet floor for the frame scaffolding with a width that can be relieved by the worker working above Can be used and wife with it Morning glory of use, curing frame, member, which has been used in the framework scaffolding, such as sheet also has the advantage that it is made available.
本発明を実施するための最良の形態を、以下図面を参照して説明する。   The best mode for carrying out the present invention will be described below with reference to the drawings.
図1ないし図7に示すくさび緊結式足場における緊結装置は、支柱(1)の所定高さの外周に固着せられた受け金具(2)と、2つの支柱(1)間に渡される腕木材(3)の端部に前側が露出するように埋入付設せられかつ受け金具(2)に係止せられる係止金具(4)とよりなる。支柱(1)および腕木材(3)は、所定長さを有する鋼管製であり、4つの鋼製受け金具(2)が、図1に示すように、支柱(1)の同一高さの周面四方に溶接により固着せられている。4つの受け金具(2)のうち対向する2つは、一段下に位置せしめられることもある。   The binding device in the wedge-binding scaffold shown in FIG. 1 to FIG. 7 is a brace (2) fixed to the outer periphery of a predetermined height of the support column (1) and the arm wood passed between the two support columns (1). It consists of a locking fitting (4) that is embedded in the end of (3) so that the front side is exposed and locked to the receiving fitting (2). The support column (1) and the arm wood (3) are made of steel pipes having a predetermined length, and four steel support brackets (2) are arranged at the same height of the support column (1) as shown in FIG. It is fixed to the four sides by welding. Two of the four metal fittings (2) facing each other may be positioned one step below.
受け金具(2)は、平面からみてコ形で中央壁(5)が前下がりに傾斜せしめられている。係止金具(4)は、緊結のため降下せしめるさいに支柱(1)と接する垂直部(6)を備えかつ下部が受け金具(2)に挿入し易いように若干後下がりに傾斜せしめられた前縁と受け金具(2)の中央壁(5)と略同じ斜度で前下がりに傾斜した後縁(7)を有する鋼製縦長板状のくさび(8)と、一部が腕木材(3)から下方に突出しかつ平面からみて受け金具(2)に嵌る大きさのコ形で中央壁(9)が受け金具(2)の中央壁(5)と同じ斜度で前下がりに傾斜せしめられており、くさび(8)が上下動自在に挿入されているくさび案内部材(10)と、くさび(8)とくさび案内部材(10)の中央壁(9)の間に介在せられて上端部がくさび案内部材(10)の両側壁(11)に止め軸(12)により前後揺動自在に取付けられ、かつ下端部に折り曲げ状に後方に突出した抜け止め突起(13)が設けられるとともに、コイルばね(14)でくさび(2)側に付勢せられている揺動バー(15)とを備えている。コイルばね(14)は、揺動バー(15)の下端寄りにあけられた後向き有底孔(16)に後方突出状態に嵌め入れられ、その後方突出端はくさび案内部材(10)の中央壁(9)の前面で受けられている。くさび(8)は緊結解除時にはくさび案内部材(10)より上方に一部が突出し、緊結時にはくさび案内部材(10)より下方に一部が突出し得る長さを有し、くさび案内部材(10)の両側壁(11)の幅ほぼ真中位置でコイルばね(14)より若干上方位置にくさび脱出阻止バー(17)が渡し止められ、くさび脱出阻止バー(17)が横断しかつくさび(9)の上下動に必要な縦長さでくさび脱出阻止バー(17)が接する後縁(18)を備えた縦長孔(19)がくさび(8)に形成せられている。この縦長孔(19)は、くさび案内部材(10)の中央壁(9)と同じ斜度で前下がりに傾斜している。なお、縦長孔(19)の代わりにこれと同様の後縁を有する前向き切欠部でもよい。受け金具(2)の中央壁(5)と略同じ斜度で前下がりに傾斜した後縁(7)は、くさび案内部材(10)に揺動バー(15)の前側において挿入し易いように、略下半部がその上方より若干斜度を小ならしめられている。   The metal fitting (2) is U-shaped when viewed from the plane, and the central wall (5) is inclined forward and downward. The locking metal fitting (4) has a vertical part (6) in contact with the support column (1) when being lowered for tightening, and the lower part is inclined slightly downward so that it can be easily inserted into the receiving metal fitting (2). A steel vertical wedge (8) having a front edge and a rear edge (7) inclined forward and downward at substantially the same inclination as the central wall (5) of the catch (2); 3) Projected downward from the plane and sized to fit into the bracket (2) when viewed from above, the central wall (9) is tilted forward and downward at the same inclination as the central wall (5) of the bracket (2). And a wedge guide member (10) in which the wedge (8) is inserted so as to be movable up and down, and an upper end interposed between the wedge (8) and the central wall (9) of the wedge guide member (10). The part is attached to both side walls (11) of the wedge guide member (10) by a stop shaft (12) so that it can swing back and forth. The lower end is provided with a retaining protrusion (13) that protrudes backward in a bent shape, and a swing bar (15) that is biased toward the wedge (2) by a coil spring (14). . The coil spring (14) is fitted in a rearward projecting state in a rearward bottomed hole (16) opened near the lower end of the swing bar (15), and the rearward projecting end is the central wall of the wedge guide member (10). Received on the front of (9). The wedge (8) has a length that can protrude partly above the wedge guide member (10) when the binding is released, and partly protrude below the wedge guide member (10) when tightened. The wedge escape prevention bar (17) is blocked from the coil spring (14) at a position approximately in the middle of the width of both side walls (11) of the coil spring (14). A longitudinal hole (19) having a rear edge (18) with which the wedge escape prevention bar (17) is in contact with the longitudinal length necessary for vertical movement is formed in the wedge (8). The vertically long hole (19) is inclined forward and downward at the same inclination as the central wall (9) of the wedge guide member (10). Instead of the vertically long hole (19), a forward notch having a rear edge similar to this may be used. The rear edge (7) inclined forward and downward with substantially the same inclination as the central wall (5) of the catch (2) is easily inserted into the wedge guide member (10) on the front side of the swing bar (15). The substantially lower half is slightly inclined from the upper part.
くさび案内部材(10)の腕木材(3)から下方が受け金具(2)への挿入部(20)となされ、くさび案内部材(10)の中央壁(9)における挿入部部分には、前後に貫通する逆U形の抜け止め突起収納下向き切欠部(21)が形成せられ、くさび案内部材(10)の挿入部(20)が受け金具(2)に挿入されて受け金具(2)の上端に腕木材(3)の端部が受け止められた状態において、受け金具(2)の中央壁(5)に抜け止め突起収納下向き切欠部(21)に対応して逆U形の抜け止め突起受け入れ下向き切欠部(22)が形成せられている。抜け止め突起受け入れ下向き切欠部(22)は、係止金具(4)が受け金具(2)から上方に抜けようとしたさい抜け止め突起(13)が引っ掛かる上縁を有している。揺動バー(15)が、緊結時ばね力に抗して後方に揺動し、抜け止め突起(13)を受け金具(2)の抜け止め突起受け入れ切欠部(22)に押し入れ、緊結解除時ばね力により前方に揺動して抜け止め突起(13)を受け金具(2)の抜け止め突起受け入れ下向き切欠部(22)から引き出すように、くさび案内部材(10)の中央壁(9)とくさび(8)との間隔が定められている。なお、抜け止め突起収納下向き切欠部(21)の代わりに貫通孔でもよいし、また抜け止め突起受け入れ下向き切欠部(22)の代わりに前向き凹部でもよい。   The lower part from the arm wood (3) of the wedge guide member (10) is an insertion part (20) to the receiving metal fitting (2), and the insertion part part in the central wall (9) of the wedge guide member (10) An inverted U-shaped retaining projection storage downward cutout (21) penetrating into the recess is formed, and the insertion portion (20) of the wedge guide member (10) is inserted into the receiving bracket (2), and the receiving bracket (2) In a state where the end of the arm lumber (3) is received at the upper end, the reverse U-shaped retaining projection corresponding to the retaining projection storage downward notch (21) on the central wall (5) of the receiving bracket (2) A receiving downward notch (22) is formed. The retaining protrusion receiving downward notch (22) has an upper edge on which the retaining protrusion (13) is hooked when the locking metal fitting (4) tries to come out upward from the receiving metal fitting (2). The swing bar (15) swings backward against the spring force when tightened, and the retaining protrusion (13) is pushed into the retaining protrusion receiving notch (22) of the metal fitting (2) to release the tightening. The center wall (9) of the wedge guide member (10) is pivoted forward by the spring force so as to be pulled out from the retaining projection receiving downward notch (22) of the metal fitting (2) by receiving the retaining projection (13). The distance from the wedge (8) is determined. A through-hole may be used instead of the retaining protrusion receiving downward notch (21), and a forward recess may be used instead of the retaining protrusion receiving downward notch (22).
くさび案内部材(10)は、腕木材(3)の端部からつぎのようにして下方にのびるように設けられる。腕木材(3)は、鋼管製である。そこで、金属管端部の上下周壁対向部にくさび案内部材(10)の対応部分が密に嵌る平面からみてコ形の切欠部(23) (41)が設けられ、くさび案内部材(10)がその上縁を管の上面からわずかに突出するように上下切欠部(23) (41)に嵌め入れられ、コ形の上下切欠部(23) (41)の両側縁部外側で腕木材(3)に溶接せられている。とくに、コ形の下切欠部(41)の両側縁部外側では、受け金具(2)の両側壁(24)上端ほぼ全長にわたって形成せられた浅い窪み(25)にビード(26)が嵌るように、窪み(25)対応部分でくさび案内部材(10)が腕木材(3)に溶接せられている。そして、くさび案内部材(10)の両側壁(11)に止められている揺動バー(15)の上端部がくさび案内部材(10)の上縁を上方に越えないようになされているとともに、くさび案内部材(10)に挿入せられたくさび(8) は、緊結時その上縁(27)全体のうち緊結時枠組足場用薄鋼板製床付き布わくのつかみ金具の掛かる部分が、わずかに後下がりに傾斜せしめられてくさび案内部材(10)の上縁を上方に越えない形状に形成せられ、その前側がハンマー叩き用上方突出部(28)となされている(図5参照)。 The wedge guide member (10) is provided so as to extend downward from the end of the arm wood (3) as follows. The arm wood (3) is made of steel pipe. Therefore, a U-shaped notch (23) (41 ) is provided in the plane where the corresponding portion of the wedge guide member (10) fits closely at the upper and lower peripheral wall facing portions of the end portion of the metal tube, and the wedge guide member (10 ) is provided. The upper edge is fitted into the upper and lower cutouts (23) and (41 ) so as to slightly protrude from the upper surface of the pipe, and the arm wood (3 ). In particular, at the outer side of both side edges of the U-shaped lower notch (41), the bead (26) fits into the shallow recess (25) formed over almost the entire upper end of the side walls (24) of the receiving metal fitting (2). The wedge guide member (10) is welded to the arm wood (3) at the portion corresponding to the depression (25). The upper end portion of the swing bar (15) fixed to the both side walls (11) of the wedge guide member (10) does not exceed the upper edge of the wedge guide member (10). The wedge (8) inserted into the wedge guide member (10) has a slight portion of the entire upper edge (27) of the wedge guide member (10) where the gripping bracket of the cloth frame with the thin steel sheet floor for the frame frame scaffolding is fastened. The upper end of the wedge guide member (10) is formed so as not to be inclined upwardly by being inclined downward, and the front side of the wedge guide member (10) is an upper protrusion (28) for hammering (see FIG. 5).
図8ないし図10に、揺動バーのくさび案内部材に対する取付け部分およびくさびの上縁部分の変形例を示す。   FIG. 8 to FIG. 10 show modifications of the attaching portion of the swing bar to the wedge guide member and the upper edge portion of the wedge.
同図に示す揺動バー(31)には、上端部に折り曲げ状に後方に突出した掛け止め突起(32)が設けられるとともに、くさび案内部材(33)の中央壁(34)の上端部から両側壁(35)の後側上端部にかけて上向き切欠部(36)が形成せられ、この上向き切欠部(36)に揺動バー(31)の掛け止め突起(32)が嵌め入れられて中央壁(34)の上縁に前後揺動自在に掛け止められている。なお、この実施形態では、くさび案内部材(33)に上向き切欠部(36)が形成せらている関係上、コ形の上切欠部 (42)の奥行はコ形の下切欠部(23)の奥行より短くなる。   The swing bar (31) shown in the figure is provided with a latching protrusion (32) protruding rearward in a bent shape at the upper end portion, and from the upper end portion of the central wall (34) of the wedge guide member (33). An upward notch (36) is formed on the rear upper end of both side walls (35), and a latching protrusion (32) of the swing bar (31) is fitted into the upward notch (36) to form a central wall. (34) It is hooked on the upper edge so as to be swingable back and forth. In this embodiment, since the wedge-shaped guide member (33) is formed with an upward notch (36), the depth of the U-shaped upper notch (42) is the same as that of the U-shaped lower notch (23). It becomes shorter than the depth.
同図に示すくさび案内部材(33)に挿入せられたくさび(37) は、緊結時その上縁(38)全体のうち緊結時枠組足場用薄鋼板製床付き布わくのつかみ金具の掛かる部分が水平で、くさび案内部材(33)の上縁をわずかに越える形状に形成せられ、その前側がハンマー叩き用上方突出部(39)となされており、その上部に後方凸円弧状部(40)が形成せられている(図9参照)。   The wedge (37) inserted into the wedge guide member (33) shown in the figure is the part of the upper edge (38) of the entire upper edge (38) at the time of tightening where the gripping bracket of the cloth with the steel sheet floor for the frame scaffolding is fastened. Is formed in a shape slightly beyond the upper edge of the wedge guide member (33), the front side thereof is an upper protrusion (39) for hammering, and the rear convex arc-shaped portion (40 ) Is formed (see FIG. 9).
図8ないし図10において、図1ないし図7に示す実施形態と若干寸法または形状が異なっていてもこの実施形態と実質的に異ならないものおよび同一のものについては、同一符号を付してその説明を省略する。   8 to 10, the same reference numerals are given to the same or similar parts that are not substantially different from this embodiment even if they are slightly different in size or shape from the embodiment shown in FIGS. 1 to 7. Description is omitted.
上記において、支柱(l)に腕木材(3)を緊結するため、支柱(1)の受け金具(2)に腕木材(3)の係止金具(4)を係止するに当たり、まず、係止金具(4)を受け金具(2)に入れる。すると、くさび案内部材(10)(33)の挿入部(20)が受け金具(2)に嵌って腕木材(3)の端部自体が受け金具(2)の上縁に受け止められるので、腕木材(3)が傾いたりせず、その水平度が保証せられる。この状態において、くさび(8)(37)は、ばね力により前方に揺動している揺動バー(15)(31)と縦長孔(19)の後縁(18)に接しているくさび脱出阻止バー(17)で挟まれており、くさび案内部材(10)(33)からその上部が突出した状態に保持されているので、つぎに、ハンマーで上からくさび(8)(37)を叩き下げる。すると、くさび(8)(37)の前縁(6)の垂直部が支柱(l)に接していることにより、コイルばね(14)を通る水平線上における支柱(l)と揺動バー(15) (31)の間隔は、くさび(8)(37)の降下につれて次第に広がり換言すれば揺動バー(15) (31)を後方に揺動させ、緊結時くさび案内部材(10)(33)の中央壁(9)(34)の抜け止め突起収納下向き切欠部(21)にあった抜け止め突起(13)をばね力に抗して受け金具(2)の抜け止め突起受け入れ切欠部(22)に押し入れる。以上の結果、くさび作用により、支柱(1)に対し腕木材(3)が安定した状態でしっかりと水平に保たれて緊結される。しかも、離れた一対の腕木材(3)に図示しないつかみ金具を備えた薄鋼板製床付き布わくが取り付けられた場合、これに下からの強い風圧が加わったとしても、係止金具(4)側の抜け止め突起(13)が受け金具(2)の抜け止め突起受け入れ切欠部(22)の上縁に引っ掛かり、係止金具(4)が受け金具(2)から上に抜ける危険性はない。   In the above description, in order to fasten the arm lumber (3) to the strut (l), the latch metal (4) of the arm lumber (3) is first latched to the catch (2) of the strut (1). Put the fastener (4) into the receptacle (2). Then, the insertion portion (20) of the wedge guide member (10) (33) fits into the receiving metal fitting (2) and the end of the arm lumber (3) itself is received by the upper edge of the receiving metal fitting (2). The timber (3) does not tilt and its levelness is guaranteed. In this state, the wedges (8) and (37) escape from the wedge in contact with the swinging bars (15) and (31) swinging forward by the spring force and the rear edge (18) of the vertically long hole (19). Since the upper part of the wedge guide member (10) (33) protrudes from the wedge guide member (10) (33), the wedge (8) (37) is hit from above with a hammer. Lower. Then, since the vertical part of the front edge (6) of the wedges (8) and (37) is in contact with the support (1), the support (1) on the horizontal line passing through the coil spring (14) and the swing bar (15 ) The interval of (31) gradually widens as the wedges (8) and (37) are lowered. In other words, the rocking bar (15) (31) is swung backward, and the wedge guide members (10) and (33) are tightened. The retaining protrusion receiving notch (22) of the metal fitting (2) against the spring force against the retaining protrusion (13) of the retaining protrusion housing downward notch (21) of the central wall (9) (34) ). As a result of the above, by the wedge action, the arm lumber (3) is kept firmly and tightly connected to the support post (1) in a stable state. Moreover, when a thin steel plate floor cloth with a gripping metal not shown is attached to a pair of separated arm timbers (3), even if a strong wind pressure is applied from below, the locking metal (4 ) -Side retaining protrusion (13) is caught on the upper edge of the retaining protrusion receiving notch (22) of the receiving metal fitting (2), and there is a risk that the locking metal fitting (4) may come off from the receiving metal fitting (2). Absent.
支柱(1)の受け金具(2)から腕木材(3)の係止金具(4)を外すには、受け金具(2)から下方に突出しているくさび(8)(37)の下端部をハンマーで叩き上げると、くさび(8)(37)の上昇に伴い、くさび作用が解けるとともに、押しばね(14)を通る水平線上における支柱(l)と揺動バー(15) (31)の間隔は、くさび(8)(37)の上昇につれて狭くなり、その結果、揺動バー(15) (31)はばね力により前方に揺動し、抜け止め突起(13)が受け金具(2)の抜け止め突起受け入れ下向き切欠部(22)から引き出されてくさび案内部材(10)(33)の中央壁(9)(34)の抜け止め突起収納下向き切欠部(21)に戻される。すると、くさび案内部材(10)(33)は受け金具(2)に対し自由になるので、腕木材(3)を持ち上げると、受け金具(2)から係止金具(4)を外すことができ、支柱(1)に対する腕木材(3)の緊結を解除し得る。   To remove the locking bracket (4) of the arm lumber (3) from the bracket (2) of the support column (1), the lower end of the wedge (8) (37) protruding downward from the bracket (2) is used. When the hammer is struck up, the wedge action is released as the wedge (8) (37) rises, and the distance between the support (1) and the swing bar (15) (31) on the horizontal line passing through the push spring (14). Is narrowed as the wedges (8) and (37) are lifted. As a result, the swinging bars (15) and (31) are swung forward by the spring force, and the retaining protrusions (13) are mounted on the catches (2). It is pulled out of the retaining projection receiving downward notch (22) and returned to the retaining projection housing downward notch (21) of the central walls (9) and (34) of the wedge guide members (10) and (33). Then, since the wedge guide members (10) and (33) are free with respect to the metal fitting (2), when the arm lumber (3) is lifted, the locking metal fitting (4) can be removed from the metal fitting (2). The arm wood (3) can be released from the support (1).
このようにして、支柱(1)からの腕木材(3)の不測の緊結解除と支柱(1)に対する腕木材(3)の不安定さをともになくすることができるのである。   In this way, it is possible to eliminate both unexpected release of the arm wood (3) from the support post (1) and instability of the arm wood (3) with respect to the support post (1).
本発明の実施形態の1例を示すもので、支柱に腕木材を緊結する直前の状態を示す水平断面図である。1 shows an example of an embodiment of the present invention and is a horizontal cross-sectional view showing a state immediately before an arm lumber is fastened to a column. 図1のII−II線にそう断面図である。FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1. 支柱に腕木材を緊結する直前の状態を示す側面図である。It is a side view which shows the state just before tying an arm lumber to a support | pillar. 係止金具を受け金具に入れ、腕木材の端部が受け金具の上端に受け止められた状態を示す一部を切り欠いた側面図である。FIG. 6 is a side view in which a part of the locking metal fitting is put in the receiving metal fitting, and a part showing a state in which the end portion of the arm lumber is received by the upper end of the receiving metal fitting is cut out. 図4の状態からくさびを降下させた状態を示す一部を切り欠いた側面図である。It is the side view which notched a part which shows the state which lowered the wedge from the state of FIG. 図5のVI−VI線にそう拡大断面図である。FIG. 6 is an enlarged sectional view taken along line VI-VI in FIG. 5. 図4の揺動バーと押しばねの分解斜視図である。It is a disassembled perspective view of the rocking | fluctuation bar and pushing spring of FIG. 本発明の実施形態の他の例を示すもので、係止金具を受け金具に入れ、腕木材の端部が受け金具の上端に受け止められた状態を示す一部を切り欠いた側面図である。FIG. 10 is a side view showing another example of the embodiment of the present invention, in which a locking metal fitting is received in a metal fitting, and a part of the arm lumber is cut out to show a state where the end portion of the arm lumber is received on the upper end of the metal fitting. . 図7の状態からくさびを降下させた状態を示す一部を切り欠いた側面図である。It is the side view which notched a part which shows the state which lowered the wedge from the state of FIG. 図8の揺動バーと押しばねの分解斜視図である。FIG. 9 is an exploded perspective view of the swing bar and the push spring of FIG. 8.
符号の説明Explanation of symbols
(1) 支柱
(2) 受け金具
(3) 腕木材
(4) 係止金具
(5) 受け金具の中央壁
(6) くさびの前縁
(7) くさびの後縁
(8) (37) くさび
(9) (34) くさび案内部材の中央壁
(10) (33) くさび案内部材
(11) (35) くさび案内部材の両側壁
(13) 抜け止め突起
(14) コイルばね(押しばね)
(15) (31) 揺動バー
(17) 脱出阻止バー
(18) 縦長孔の後縁
(19) 縦長孔
(20) くさび案内部材の受け金具への挿入部
(21) 抜け止め突起収納下向き切欠部(抜け止め突起収納部)
(22) 抜け止め突起受け入れ下向き切欠部(抜け止め突起受け入れ部)
(23)(42) コ形の上切欠部
(41) コ形の下切欠部
(27)(38) くさびの上縁
(1) Support (2) Receiving bracket (3) Arm lumber (4) Locking bracket (5) Center wall of the receiving bracket
(6) Wedge front edge
(7) Trailing edge of the wedge
(8) (37) Wedge
(9) (34) Central wall of wedge guide member
(10) (33) Wedge guide member
(11) (35) Both side walls of wedge guide member
(13) Retaining protrusion
(14) Coil spring (pressing spring)
(15) (31) Oscillating bar (17) Escape prevention bar (18) Rear edge of the vertical hole (19) Vertical hole (20) Insertion part of the wedge guide member into the receiving bracket (21) Downward notch housing (Retaining protrusion storage part)
(22) Retaining protrusion receiving downward notch (Retaining protrusion receiving part)
(23) (42) U-shaped upper notch (41) U-shaped lower notch (27) (38) Upper edge of the wedge

Claims (3)

  1. 支柱の所定高さ外周に固着せられた受け金具と、2つの支柱間に渡される腕木材の端部に前側が露出するように埋入付設せられかつ受け金具に係止せられる係止金具とよりなり、受け金具は、平面からみてコ形で中央壁が前下がりに傾斜せしめられており、係止金具は、緊結のため降下せしめるさいに支柱と接する垂直部を備えた前縁と受け金具の中央壁と略同じ斜度で前下がりに傾斜した後縁を有する縦長板状のくさびと、一部が腕木材から下方に突出しかつ平面からみて受け金具に嵌る大きさのコ形で中央壁が受け金具の中央壁と同じ斜度で前下がりに傾斜せしめられており、くさびが上下動自在に挿入されているくさび案内部材と、くさびとくさび案内部材の中央壁の間に介在せられて上端部がくさび案内部材の上部に前後揺動自在に取付けられ、かつ下端部に後方に突出した抜け止め突起が設けられるとともに、押しばねでくさび側に付勢せられている揺動バーとを備えており、くさび案内部材の両側壁にくさび脱出阻止バーが渡し止められ、くさび脱出阻止バーが横断しかつくさびの上下動に必要な縦長さで緊結解除時くさび脱出阻止バーが接する後縁を備えた縦長孔または前向き切欠部がくさびに形成せられ、くさび案内部材の腕木材から下方が受け金具への挿入部となされ、くさび案内部材の中央壁における挿入部部分には、前後貫通状抜け止め突起収納部が形成せられ、くさび案内部材の挿入部が受け金具に挿入されて受け金具の上端に腕木材の端部が受け止められた状態において、受け金具の中央壁に抜け止め突起収納部に対応して抜け止め突起受け入れ部が形成せられ、抜け止め突起受け入れ部は、係止金具が受け金具から上方に抜けようとしたさい抜け止め突起が引っ掛かる上縁を有しており、揺動バーが、緊結時ばね力を抗して後方に揺動して抜け止め突起を受け金具の抜け止め突起受け入れ部に押し入れ、緊結解除時ばね力により前方に揺動して抜け止め突起を受け金具の抜け止め突起受け入れ部から引き出すように、くさび案内部材の中央壁とくさびとの間隔が定められているくさび緊結式足場における緊結装置。   A receiving bracket fixed to the outer periphery of the pillar at a predetermined height, and a locking bracket embedded in the end of the arm lumber passed between the two supports so that the front side is exposed and locked to the receiving bracket; The bracket is U-shaped with the center wall inclined forward and the locking bracket is a front edge with a vertical part that comes into contact with the column when it is lowered for tightening and the bracket. A vertical plate-shaped wedge with a trailing edge that slopes forward and downward at approximately the same inclination as the central wall, and a central wall that is partially U-shaped and protrudes downward from the arm lumber and fits into the receiving bracket as seen from the plane Is tilted forward and downward at the same inclination as the central wall of the bracket, and is interposed between the wedge guide member in which the wedge is inserted in a vertically movable manner and the central wall of the wedge and the wedge guide member. The upper end is swingable back and forth on the top of the wedge guide member And a rocking bar that is biased toward the wedge side by a push spring and is provided on both side walls of the wedge guide member. The bar is blocked, and the wedge escape prevention bar has a vertical length that is necessary for vertical movement of the wedge, and the wedge is formed with a longitudinal hole or a forward notch with a trailing edge that contacts the wedge escape prevention bar when released. The lower part from the arm lumber of the wedge guide member is an insertion part to the receiving metal fitting, and the insertion guide part in the central wall of the wedge guide member is formed with a front-rear penetrating retaining protrusion storage part to insert the wedge guide member When the end is inserted into the bracket and the end of the arm lumber is received at the upper end of the bracket, a retaining protrusion receiving portion is formed on the central wall of the receiving bracket corresponding to the retaining protrusion storage portion. The retaining protrusion receiving portion has an upper edge on which the retaining protrusion is caught when the locking bracket is about to be pulled upward from the receiving bracket, and the swing bar resists the spring force when tightening. Swing backward to receive the retaining protrusion and push it into the retaining protrusion receiving part of the metal fitting, and swing it forward by the spring force when releasing the tightening to receive the retaining protrusion and pull it out from the retaining protrusion receiving part of the metal fitting. A binding device in a wedge-tightening type scaffold in which a distance between a central wall of a wedge guide member and a wedge is determined.
  2. 腕木材が金属管製であり、金属管端部の上下周壁対向部にくさび案内部材の対応部分が密に嵌る平面からみてコ形の切欠部が設けられ、くさび案内部材がその上縁を管の上面よりわずかに突出するように上下切欠部に嵌め入れられて腕木に溶接せられており、くさび案内部材の両側壁に止められている揺動バーの上端部がくさび案内部材の上縁を上方に越えないようになされているとともに、くさび案内部材に挿入せられたくさびは、緊結時その上縁全体のうち少なくとも枠組足場用薄鋼板製床付き布わくのつかみ金具の掛かる部分がくさび案内部材の上縁とほぼ同じ高さとなる形状に形成せられている請求項1記載のくさび緊結式足場における緊結装置。   The arm timber is made of metal pipe, and a U-shaped cutout is provided on the upper and lower peripheral wall facing part of the end of the metal pipe as viewed from the plane where the corresponding part of the wedge guide member fits tightly. The upper part of the swing bar that is fitted to the upper and lower cutouts and is welded to the arm so as to slightly protrude from the upper surface of the wedge guide member The wedge inserted into the wedge guide member is not wedged upward, and at least the portion of the entire upper edge of the wedge that is attached to the cloth scaffolding with the thin steel plate floor for the frame scaffolding is wedge-guided when tightened. The binding device for a wedge-tightening type scaffold according to claim 1, wherein the binding device is formed in a shape that is substantially the same height as the upper edge of the member.
  3. 押しばねがコイルばねであり、このコイルばねは、揺動バー下端寄りにあけられた後向き有底孔に後方突出状態に嵌め入れられ、その後方突出端はくさび案内部材の中央壁前面で受けられている請求項1または2記載のくさび緊結式足場における緊結装置。   The push spring is a coil spring, and this coil spring is fitted in a rearwardly projecting bottom hole formed near the lower end of the swing bar in a rearward projecting state, and the rearward projecting end is received by the front surface of the central wall of the wedge guide member. The binding device in the wedge binding type scaffold according to claim 1 or 2.
JP2007125714A 2007-05-10 2007-05-10 Tightening device for wedge-tight scaffolding Active JP4220561B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007125714A JP4220561B2 (en) 2007-05-10 2007-05-10 Tightening device for wedge-tight scaffolding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007125714A JP4220561B2 (en) 2007-05-10 2007-05-10 Tightening device for wedge-tight scaffolding

Publications (2)

Publication Number Publication Date
JP2008280743A JP2008280743A (en) 2008-11-20
JP4220561B2 true JP4220561B2 (en) 2009-02-04

Family

ID=40141795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007125714A Active JP4220561B2 (en) 2007-05-10 2007-05-10 Tightening device for wedge-tight scaffolding

Country Status (1)

Country Link
JP (1) JP4220561B2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101522737B1 (en) * 2009-02-13 2015-05-26 도한 고교 가부시키가이샤 Fastening device of wedge fastening type scaffold
JP5443018B2 (en) * 2009-02-20 2014-03-19 信和株式会社 Handrail braiding
JP5210215B2 (en) * 2009-03-25 2013-06-12 平和技研株式会社 Scaffolding wedge fittings
JP5127900B2 (en) * 2010-09-15 2013-01-23 東阪工業株式会社 Bracing struts for bracing in temporary scaffolding
JP5016736B1 (en) * 2012-04-12 2012-09-05 ホリー株式会社 Joint for temporary scaffolding
JP2013234554A (en) * 2012-05-08 2013-11-21 Kyc Machine Industry Co Ltd Binding member and binding structure using the same
JP5779143B2 (en) * 2012-06-22 2015-09-16 株式会社エヌ・エス・ピー Prop clamp for temporary installation
JP5608831B1 (en) * 2014-06-30 2014-10-15 東阪工業株式会社 Tightening device for wedge-tight scaffolding
JP5640173B1 (en) * 2014-08-04 2014-12-10 東阪工業株式会社 Tightening device for wedge-tight scaffolding
JP6362173B2 (en) * 2015-08-07 2018-07-25 Jfe機材フォーミング株式会社 Tightening device for wedge-tight scaffolding

Also Published As

Publication number Publication date
JP2008280743A (en) 2008-11-20

Similar Documents

Publication Publication Date Title
JP3957318B2 (en) Scaffold fittings
US7730675B2 (en) Post anchor with post holding impressions
US6550194B2 (en) Window buck system for concrete walls and method of installing a window
JP2008542645A (en) Sheet metal fasteners and clips
EP0507786A1 (en) Prefabricated assembly for poured concrete forming structures.
KR100989996B1 (en) Fixing Apparatus for Deck Material
US4414785A (en) Construction framing anchor
US7971686B1 (en) Double latched scaffold connector
US20080277549A1 (en) Beam Flange Clamp
RU2347044C2 (en) Outside wall structure and metal base used in it
AU2002255406B2 (en) Hook holder for holding scaffolding elements to a scaffold
KR101504322B1 (en) Beam clamp
HU218328B (en) Window hardware
JP3066735B2 (en) Timber pillar connection fitting of wooden building
CZ356396A3 (en) Connecting hook
US3712576A (en) Waler clamping assembly for a concrete wall form
US6273381B1 (en) Load actuated lock
KR101028378B1 (en) Safety handrail
US5918843A (en) Scaffold bracket
US3499497A (en) Sign pole driver
US5444951A (en) Bracket for supporting fence posts
JP4044868B2 (en) Scaffolding board
JP2004011129A (en) Connecting structure of channel steel for assembling lattice structure
US3779515A (en) Adjustable decking and framing tool
JP4108075B2 (en) Wife side skirting board for scaffolding board

Legal Events

Date Code Title Description
A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20080917

TRDD Decision of grant or rejection written
A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20081017

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20081028

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20081113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111121

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4220561

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121121

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131121

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250