JP2020060071A - Temporary fixture for cross rail material - Google Patents

Temporary fixture for cross rail material Download PDF

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JP2020060071A
JP2020060071A JP2018193341A JP2018193341A JP2020060071A JP 2020060071 A JP2020060071 A JP 2020060071A JP 2018193341 A JP2018193341 A JP 2018193341A JP 2018193341 A JP2018193341 A JP 2018193341A JP 2020060071 A JP2020060071 A JP 2020060071A
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horizontal
rail material
cross rail
crosspiece
knob
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JP6914536B2 (en
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宣昭 浦野
Nobuaki Urano
宣昭 浦野
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Enomoto Co Ltd
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Enomoto Co Ltd
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Abstract

To provide a temporary fixture for a cross rail material which facilitates a permanent fixation of the cross rail material in parallel relative to an inclination of a staircase without requiring a plurality of workers and can remove the cross rail material after the permanent fixation to permanently fix the cross rail material to a support pillar in a state of maintaining a good appearance using a design of the cross rail material for a thin plate-like fixation member fixed to the support pillar.SOLUTION: In a temporary fixture 1 for a cross rail material, a cross rail material holding part 20 for holding a thin plate-like fixation member in a state of being abutted to the cross rail material and a knob part 10 for expanding the cross rail material holding part 20 are formed integrally, and the knob part 10 has a cutout part 11 formed at right and left side faces 10c, 10c and a groove part formed on a bottom face 10a.SELECTED DRAWING: Figure 2

Description

本発明は、階段の手摺を支持する支柱に固定された固定部材に対して横桟材を仮固定するための横桟材用仮固定具に関する。   BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal crosspiece temporary fixing tool for temporarily fixing a horizontal crosspiece to a fixing member fixed to a column supporting a handrail of stairs.

従来、階段の手摺の支柱に転落防止等を目的としてパネルや横桟材を固定するものがある。しかしながら、図１のような階段等の傾斜を有する支柱間に横桟材を取付けようとすると、複数の作業者が横桟材を階段等の傾斜に対して平行に調整してバランスを確認しつつ、横桟材を保持して取付作業を行わなければならず手間が掛かるものであった。   2. Description of the Related Art Conventionally, there is one in which a panel or a cross rail member is fixed to a pillar of a handrail of a staircase for the purpose of preventing falling. However, when attempting to attach a horizontal crosspiece between columns having an inclination such as a staircase as shown in FIG. 1, a plurality of workers adjust the horizontal crosspiece parallel to the inclination of the stairs to check the balance. On the other hand, it is troublesome to carry out the mounting work while holding the horizontal crosspiece.

上記欠点を解決するために、例えば特許文献１に記載された発明には、階段の手摺の支柱に横桟材を本固定するために、支柱に固着したキャップ体に横桟材を収容して被覆固定する横桟材用取付具が開示されている。   In order to solve the above-mentioned drawbacks, for example, in the invention described in Patent Document 1, in order to permanently fix the cross rail to the prop of the handrail of the stairs, the cross rail is housed in the cap body fixed to the prop. A fixture for a crosspiece for covering and fixing is disclosed.

特開２００７−８５０７８号公報（特許第４１１９４４５号）JP-A-2007-85078 (Patent No. 4119445)

しかしながら、上述した横桟材用取付具は、複数の作業者が横桟材の傾斜等を調整することなく横桟材の支柱への取付作業が容易になる一方で、横桟材用取付具自体の構造が複雑であるために製造費用が掛かるとともに、取付ける横桟材の本数や支柱の長さに応じた個数を用意する必要があるため階段の手摺の支柱に複数の横桟材用取付具を必要とする場合には高価になってしまう欠点を有する。また、この横桟材用取付具は、横桟材を差し込むキャップであり、横桟材の一部を覆い隠してしまうため、横桟材の直線的な形状を活かした意匠を阻害し、階段全体の見栄えを損なうおそれがある。   However, the above-mentioned cross rail attachment is easy for a plurality of workers to attach the cross rail to the column without adjusting the inclination or the like of the cross rail. Manufacturing cost is high due to the complicated structure of itself, and it is necessary to prepare a number according to the number of cross rails to be attached and the length of the poles. It has the drawback that it becomes expensive if a tool is required. In addition, this horizontal crosspiece attachment is a cap into which the horizontal crosspiece is inserted, and because it partially covers the horizontal crosspiece, it obstructs the design that makes use of the linear shape of the horizontal crosspiece, and It may damage the overall appearance.

したがって、製造費用を抑えるために簡易な構造とした支柱に固定された薄板状の固定部材に対して、複数の作業者を必要とすることなく階段の傾斜に対して平行に横桟材の本固定することが容易になるとともに、横桟材の意匠を活かした見栄えを保つ状態で支柱に横桟材を本固定するために、横桟材を本固定したあとに取外すことが可能な横桟材用仮固定具を提供することが望まれている。   Therefore, for the thin plate-shaped fixing member fixed to the pillar having a simple structure in order to reduce the manufacturing cost, the book of the crosspiece is parallel to the inclination of the stairs without requiring a plurality of workers. A horizontal crosspiece that can be easily fixed and can be removed after the horizontal crosspiece is fully fixed in order to permanently fix the horizontal crosspiece to the column while maintaining the appearance that utilizes the design of the horizontal crosspiece. It is desired to provide a temporary fixture for lumber.

本発明は、上記課題に鑑み、横桟材を固定部材に当接させた状態で保持する横桟材保持部と、該横桟材保持部を拡開するツマミ部と、が一体で形成され、
前記ツマミ部は、上面方向が開口した略箱形状であり、左右側面に形成された切込部と、底面に形成された溝部と、を有することを特徴とするものである。 In view of the above problems, the present invention integrally forms a horizontal rail member holding portion that holds the horizontal rail member in a state of being in contact with the fixing member, and a knob portion that expands the horizontal rail member holding portion. ,
The knob portion has a substantially box shape with an opening in the upper surface direction, and has a cut portion formed on the left and right side surfaces and a groove portion formed on the bottom surface.

また、上述した構成に加え、溝部は、該溝部の中央付近のみツマミ部の底面から下面まで貫通した開口部と、を有することが好ましい。   In addition to the above-described configuration, it is preferable that the groove has an opening that penetrates from the bottom surface of the knob to the lower surface only near the center of the groove.

また、上述した構成に加え、ツマミ部の下面は、横桟材の側面に当接した状態で摺接し得る当接面と、該当接面の中央付近にツマミ部の底面側に凹んだ段部と、を有することが好ましい。   In addition to the above-mentioned configuration, the lower surface of the knob portion has an abutting surface that can be slidably contacted with the side surface of the horizontal crosspiece, and a step portion that is recessed on the bottom surface side of the knob portion near the center of the abutting surface. And preferably.

また、上述した構成に加え、横桟材保持部は、ツマミ部の外側面から下方に略逆Ｕ字の板状に延設された保持面と、該保持面の先端から突出した横桟材に当接した状態の固定部材と係合する係止片と、を有することが好ましい。   In addition to the above-mentioned configuration, the horizontal crosspiece holding portion includes a holding surface extending downward from the outer surface of the knob portion in a substantially U-shaped plate shape, and a horizontal crosspiece protruding from the tip of the holding surface. It is preferable to have a locking piece that engages with the fixing member that is in contact with.

請求項１ないし４記載の発明によれば、支柱に固定された薄板状の固定部材に対して、複数の作業者を必要とすることなく階段の傾斜に対して平行に横桟材の本固定することが容易になるとともに、横桟材の意匠を活かした見栄えを保つ状態で支柱に横桟材を本固定するために、横桟材を本固定後に取外すことができる横桟材用仮固定具を提供することが可能である。   According to the first to fourth aspects of the present invention, with respect to the thin plate-shaped fixing member fixed to the column, the horizontal cross members are fixed in parallel to the inclination of the stairs without requiring a plurality of workers. It is easy to do, and in order to permanently fix the horizontal rail to the column while maintaining the appearance that utilizes the design of the horizontal rail, the horizontal rail can be removed after the main rail is temporarily fixed. It is possible to provide a tool.

階段の手摺を支持する支柱に横桟材が取付られた状態を示す概念図である。It is a conceptual diagram which shows the state in which the horizontal crosspiece was attached to the support pillar which supports the handrail of the stairs. 本発明の実施形態に係る横桟材用仮固定具の一例を示す（a）斜め上方から見た斜視図、(b)斜め下方から見た斜視図である。FIG. 1A is a perspective view seen obliquely from above and FIG. 1B is a perspective view seen obliquely from below, showing an example of a temporary fixture for horizontal crosspieces according to an embodiment of the present invention. 図２に示す横桟材用仮固定具の(a)正面図、(b)A−A線断面図、(c)B−B線断面図、(d)底面図である。It is (a) front view of the temporary fixing tool for horizontal crosspieces shown in FIG. 2, (b) AA sectional view taken on the line, (c) BB sectional view taken on the line, and (d) bottom view. 支柱に固定された固定部材に横桟材を仮固定させた状態を示す(a)分解平面図、及び、(b)側面図である。FIG. 4A is an exploded plan view and FIG. 4B is a side view showing a state in which a horizontal crosspiece is temporarily fixed to a fixing member fixed to a column. 手摺の支柱に予め複数固定された横桟材に対して新たに横桟材を固定部材に仮固定した状態を示す正面図である。It is a front view which shows the state which temporarily fixed the horizontal crosspiece member to the fixing member newly with respect to the horizontal crosspiece member previously fixed to the support | pillar of a handrail. 連結部材を介して連結された横桟材を固定部材に仮固定した状態を示す(a)平面図、(b)背面図である。FIG. 6A is a plan view and FIG. 6B is a rear view showing a state in which a horizontal crosspiece connected via a connecting member is temporarily fixed to a fixing member.

本発明に係る実施形態の一例について図２−４に基づいて詳細に説明する。   An example of the embodiment according to the present invention will be described in detail with reference to FIGS.

（実施形態）
横桟材用仮固定具１は、横桟材２に薄板状の固定部材３を当接させた状態で保持する横桟材保持部２０と、該横桟材保持部２０を拡開するツマミ部１０と、が一体で形成されているものである。 (Embodiment)
The horizontal crosspiece temporary fixing tool 1 includes a horizontal crosspiece member holding portion 20 that holds the horizontal crosspiece member 2 in contact with a thin plate-shaped fixing member 3, and a knob that expands the horizontal crosspiece material holding portion 20. The part 10 and the part 10 are integrally formed.

ツマミ部１０は、上面方向が開口した略箱形状であり、長手方向の左右側面１０ｃ、１０ｃに形成された切込部１１と、底面１０ａに形成された溝部１２と、溝部１２の中央付近をツマミ部１０の底面１０ａから下面１０ｂまで貫通した開口部１２ａと、を有するものである。また、ツマミ部１０の下面１０ｂは、横桟材２の側面に当接した状態で摺接し得るように形成された平坦な当接部１３、１３を有するものである。また、ツマミ部１０の下面１０ｂは、後述する複数の横桟材２を連結する連結部材６を回避するために当接部１３、１３の中央付近にツマミ部１０の底面１０ａ側に凹んだ段部１４を設けることが好ましい。   The knob portion 10 has a substantially box shape with an opening in the upper surface direction, and has a notch portion 11 formed on the left and right side surfaces 10c, 10c in the longitudinal direction, a groove portion 12 formed on the bottom surface 10a, and a portion near the center of the groove portion 12. The opening portion 12a penetrates from the bottom surface 10a of the knob portion 10 to the lower surface 10b. Further, the lower surface 10b of the knob portion 10 has flat contact portions 13, 13 formed so as to be capable of sliding contact with the side surface of the horizontal crosspiece 2 in a state of being in contact therewith. Further, the lower surface 10b of the knob portion 10 has a stepped portion near the center of the abutting portions 13, 13 on the bottom surface 10a side of the knob portion 10 in order to avoid a connecting member 6 that connects a plurality of horizontal rail members 2 described later. It is preferable to provide the portion 14.

ツマミ部１０の左右側面１０ｃ、１０ｃに形成された切込部１１、１１は、ツマミ部１０の左右側面１０ｃ、１０ｃ上の上端が開口し、底面１０ａ側に細長い縦溝状に形成され、下端には断面略Ｖ字状の凹部１１ａ、１１ａを有するものである。この切込部１１、１１は、後述する横桟材２及び固定部材３を保持するための横桟材保持部２０を拡開するためにツマミ部１０を変形しやすいように設けられたものである。   The cut portions 11, 11 formed on the left and right side surfaces 10c, 10c of the knob portion 10 are formed such that the upper ends on the left and right side surfaces 10c, 10c of the knob portion 10 are open, and the bottom surface 10a side is formed in an elongated vertical groove shape. Has concave portions 11a having a substantially V-shaped cross section. The notches 11 and 11 are provided so that the tab portion 10 can be easily deformed in order to widen the horizontal rail member holding portion 20 for holding the horizontal rail member 2 and the fixing member 3 which will be described later. is there.

ツマミ部１０の溝部１２は、上述した切込部１１、１１の最下端に位置する凹部１１ａ、１１ａ間の底面１０ａに上述の凹部１１ａ、１１ａと同様の断面略Ｖ字状に形成され、溝部１２の長手方向幅に対して約１/２程度の幅のその中央にはツマミ部１０の底面１０ａから下面１０ｂまで貫通するように形成された開口部１２ａを有するものである。この溝部１２をＶ字状の断面形状とすることで横桟材保持部２０を拡開する際にヒンジのような機能を有し、また、所定の幅の開口部１２ａを設けることで適度な弾性力を備えさせることで、横桟保持部材２０を拡開しやすくするとともに、横桟材２及び固定部材３を当接した状態で保持することが可能である。また、切込部１１、１１は、横桟材保持部２の過剰な拡開を防止し、ヒンジのような機能の破壊を防ぐことが可能である。   The groove portion 12 of the knob portion 10 is formed on the bottom surface 10a between the recessed portions 11a, 11a located at the lowermost ends of the cut portions 11, 11 described above in a substantially V-shaped cross section similar to the recessed portions 11a, 11a. An opening 12a formed so as to penetrate from the bottom surface 10a of the knob portion 10 to the lower surface 10b is formed in the center of the width of the longitudinal portion 12 which is approximately 1/2. By forming the groove 12 into a V-shaped cross-sectional shape, it has a function like a hinge when the horizontal crosspiece holding portion 20 is expanded, and by providing the opening 12a having a predetermined width, it is possible to achieve a proper function. By providing the elastic force, the horizontal rail holding member 20 can be easily opened and the horizontal rail member 2 and the fixing member 3 can be held in contact with each other. Further, the notches 11 and 11 can prevent the lateral crosspiece holder 2 from being excessively expanded and can prevent the function such as the hinge from being destroyed.

横桟材保持部２０は、ツマミ部１０の外側面１０ｄ、１０ｄから下方に略逆Ｕ字状に延設された保持面２１、２１と、保持面２１、２１の先端に横桟材２に当接した状態の固定部材３と係合する係止片２２、２２と、を有するものである。この保持面２１、２１は、横桟材２を固定部材３に仮固定した状態において支柱４を回避するために少なくともツマミ部１０の長手方向幅よりも外側に４つ位置させて、保持面２１、２１が対向する方向から突出する一対の断面略直角三角形状の係止片２２、２２を有するものである（横桟保持部材２０の長手方向幅方向に広がった略Ｕ字状形状となる）。   The horizontal crosspiece holding portion 20 includes holding surfaces 21 and 21 extending downward from the outer side surfaces 10d and 10d of the knob portion 10 in a substantially inverted U shape, and the horizontal crosspiece 2 at the tip of the holding surfaces 21 and 21. The locking pieces 22 and 22 are engaged with the fixed member 3 in the abutting state. The holding surfaces 21, 21 are positioned at least four outside the longitudinal width of the knob portion 10 in order to avoid the support 4 in the state where the horizontal crosspiece 2 is temporarily fixed to the fixing member 3, and the holding surfaces 21 , 21 have a pair of locking pieces 22 and 22 each having a substantially right-angled triangular cross-section protruding from the opposite direction (the shape is a substantially U-shape which is widened in the longitudinal width direction of the horizontal rail holding member 20). .

また、この横桟材用仮固定具１は、作業者が離れた状態でも支柱４に固定された固定部材３に横桟材を当接した状態で保持するために軽量なものが好ましく、例えば、プラスチック等の合成樹脂材を主体とする素材を射出成形等によって製造されものである。   Further, the horizontal crosspiece temporary fixing tool 1 is preferably lightweight so as to hold the horizontal crosspiece in contact with the fixing member 3 fixed to the column 4 even when the operator is away from the temporary crosspiece. , A material mainly made of synthetic resin such as plastic is manufactured by injection molding or the like.

次に、上述した構成からなる横桟材用仮固定具１を用いて、アルミなどの金属製の角パイプからなる横桟材２を、薄板状の固定部材３に仮固定する方法について図４―６に基づいて詳細に説明する。   Next, a method of temporarily fixing the horizontal crosspiece 2 made of a square pipe made of metal such as aluminum to the thin plate-like fixing member 3 by using the horizontal crosspiece temporary fixing device 1 having the above-described configuration is shown in FIG. It will be described in detail based on ―6.

図４は、固定部材３を固定ネジS2で支柱４に固定した後、横桟材２を固定部材３に仮固定した状態を示したものである。この横桟材用仮固定具１によって固定部材３と横桟材２とを当接した状態に仮固定させることで、作業者が横桟材２を保持しなくとも階段の傾斜に平行となるように調整しつつ、支柱４側から固定部材３及び横桟材２に固定ネジS1、S1をねじ込む際にねじ込む方向にかかる荷重に対して作業者が横桟材２を保持しなくとも横桟材２から固定部材３を離れずに本固定することが可能である。 FIG. 4 shows a state in which the horizontal crosspiece 2 is temporarily fixed to the fixing member 3 after the fixing member 3 is fixed to the support column 4 with the fixing screw S 2 . By temporarily fixing the fixing member 3 and the horizontal rail member 2 in contact with each other by the horizontal rail member temporary fixing tool 1, the worker can be parallel to the inclination of the stairs without holding the horizontal rail member 2. While adjusting as described above, even if the operator does not hold the horizontal rail member 2 against the load applied in the screwing direction when the fixing screws S 1 and S 1 are screwed into the fixing member 3 and the horizontal rail member 2 from the support column 4 side. It is possible to perform the main fixing without separating the fixing member 3 from the horizontal crosspiece 2.

図５は、支柱４に予め本固定された横桟材２に対して新たな横桟材２を固定部材３に本固定する前に仮固定した状態を示したものである。このとき、新たな横桟材２をすでに本固定された横桟材２に対して平行になるように仮固定しながら調整することができ、すべての横桟材２が平行な状態で支柱４に固定された固定部材３に本固定することが可能である。   FIG. 5 shows a state in which a new horizontal crosspiece 2 is temporarily fixed to the horizontal crosspiece 2 that has been main-fixed to the support column 4 before the new horizontal crosspiece 2 is main-fixed to the fixing member 3. At this time, the new cross rail 2 can be adjusted while being temporarily fixed so as to be parallel to the cross rail 2 already fixed, and all the cross rails 2 are parallel to each other. It is possible to perform the main fixing to the fixing member 3 fixed to.

図６は、複数の横桟材２が連結部材６を介して連結された横桟材２を固定部材３に仮固定した状態を示したものである。このとき、横桟材２の連結部材６が接触せずに、ツマミ部１０の底面１０ａに形成された溝部１２の中央付近の開口部１２ａを介して連結部材６を仮固定した状態で目視することができ、この仮固定した状態の横桟材２の階段の傾斜に対して平行でなかったりして取付けをやり直す際に一目で仮固定を外す位置を確認することが可能である。   FIG. 6 shows a state in which the horizontal rail member 2 in which a plurality of horizontal rail members 2 are connected via the connecting member 6 is temporarily fixed to the fixing member 3. At this time, the connecting member 6 of the horizontal crosspiece 2 is not contacted, and the connecting member 6 is temporarily fixed through the opening 12a near the center of the groove 12 formed on the bottom surface 10a of the knob portion 10 for visual inspection. It is possible to check the position where the temporary fixing is removed at a glance when re-installing because the horizontal crosspiece 2 in the temporarily fixed state is not parallel to the inclination of the stairs.

したがって、上述した本実施形態によって、製造費用を抑えるために簡易な構造とした支柱４に固定された薄板状の固定部材３に対して、複数の作業者を必要とすることなく階段の傾斜に対して平行に横桟材２を本固定することが容易になるとともに、横桟材２の意匠を活かした見栄えを保つ状態で支柱４に横桟材２を本固定するために、横桟材２を固定部材３に仮固定し、横桟材３を本固定したあとに取外すことが可能な横桟材用仮固定具１を提供することが可能である。   Therefore, according to the above-described embodiment, the thin plate-shaped fixing member 3 fixed to the column 4 having a simple structure for suppressing the manufacturing cost can be used for the inclination of the stairs without requiring a plurality of workers. In order to facilitate the main fixing of the horizontal crosspiece 2 in parallel to the horizontal crosspiece 2, the horizontal crosspiece 2 can be fixed to the support column 4 in a state where the appearance of the horizontal crosspiece 2 can be maintained while maintaining the appearance. It is possible to provide the temporary crosspiece temporary fixing tool 1 that can temporarily remove the horizontal crosspiece 3 from the fixing member 3, and after the horizontal crosspiece 3 is finally fixed.

上記の実施形態では本発明の好ましい実施形態を例示したが、本発明は上記の実施形態に限定されるものではなく、特許請求の範囲に記載した範囲内で改善や変更が可能である。例えば、横桟材２が円筒形状のパイプである場合、パイプの断面形状に沿った略円弧状の保持面２１等に変更することが可能である。   Although the preferred embodiments of the present invention have been illustrated in the above-described embodiments, the present invention is not limited to the above-described embodiments, and improvements and changes can be made within the scope of the claims. For example, when the horizontal crosspiece 2 is a cylindrical pipe, it can be changed to a substantially arcuate holding surface 21 along the cross-sectional shape of the pipe.

１…横桟材用仮固定具、
10…ツマミ部、10a…底面、10ｂ…下面、10c…左右側面、10d…外側面、
11…切込部、11a…凹部、12…溝部、12a…開口部、13…当接部、14…段部、
20…横桟材保持部、21…保持面、22…係止片、
２…横桟材、３…固定部材、４…支柱、５…手摺、６…連結部材、
S1、S2…固定ネジ。


1 ... Temporary fixture for horizontal rail,
10 ... knob portion, 10a ... bottom surface, 10b ... bottom surface, 10c ... left / right side surface, 10d ... outer surface,
11 ... Cut portion, 11a ... Recessed portion, 12 ... Groove portion, 12a ... Opening portion, 13 ... Abutting portion, 14 ... Step portion,
20 ... Horizontal crosspiece holding portion, 21 ... Holding surface, 22 ... Locking piece,
2 ... Horizontal cross member, 3 ... Fixing member, 4 ... Post, 5 ... Handrail, 6 ... Connecting member,
S 1 , S 2 … Fixing screws.


Claims (4)

横桟材に固定部材を当接させた状態で保持する横桟材保持部と、該横桟材保持部を拡開するツマミ部と、が一体で形成され、
前記ツマミ部は、上面方向が開口した略箱形状であり、左右側面に形成された切込部と、底面に形成された溝部と、を有することを特徴とする横桟材用仮固定具。 A horizontal rail material holding portion that holds the horizontal rail material in a state where the fixing member is in contact with the horizontal rail material and a knob portion that widens the horizontal rail material holding portion are integrally formed,
The said knob part is a substantially box shape which opened the upper surface direction, and has the notch part formed in the left and right side surfaces, and the groove part formed in the bottom face. The horizontal crosspiece temporary fixing tool characterized by the above-mentioned. 溝部は、該溝部の中央付近のみツマミ部の底面から下面まで貫通した開口部を有することを特徴とする請求項１記載の横桟材用仮固定具。   The temporary fixing tool for the horizontal crosspiece according to claim 1, wherein the groove has an opening that penetrates from the bottom surface of the knob to the lower surface only near the center of the groove. ツマミ部の下面は、横桟材の側面に当接した状態で摺接し得る当接面と、該当接面の中央付近にツマミ部の底面側に凹んだ段部と、を有することを特徴とする請求項１記載の横桟材用仮固定具。   The lower surface of the knob portion has an abutting surface capable of sliding contact with the side surface of the horizontal crosspiece, and a step portion recessed toward the bottom surface side of the knob portion near the center of the abutting surface. The temporary fixing tool for horizontal crosspieces according to claim 1. 横桟材保持部は、ツマミ部の外側面から下方に略逆Ｕ字の板状に延設された保持面と、該保持面の先端から突出した横桟材に当接した状態の固定部材と係合する係止片と、を有することを特徴とする請求項１記載の横桟材用仮固定具。


The horizontal rail member holding portion is a holding member extending in a substantially inverted U-shaped plate downward from the outer surface of the knob portion, and a fixing member in contact with the horizontal rail member protruding from the tip of the holding surface. The temporary fixing tool for horizontal crosspieces according to claim 1, further comprising: a locking piece that engages with.


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