JP6886792B2 - Joinery - Google Patents

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JP6886792B2
JP6886792B2 JP2016172676A JP2016172676A JP6886792B2 JP 6886792 B2 JP6886792 B2 JP 6886792B2 JP 2016172676 A JP2016172676 A JP 2016172676A JP 2016172676 A JP2016172676 A JP 2016172676A JP 6886792 B2 JP6886792 B2 JP 6886792B2
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guard arm
rotation
door
rotation restricting
restricting member
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JP2018040109A (en
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新作 増山
新作 増山
秀晃 松浦
秀晃 松浦
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Sankyo Tateyama Inc
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Sankyo Tateyama Inc
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Priority to JP2020083091A priority patent/JP6933753B2/en
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Description

本発明は、建具に関する。 The present invention relates to fittings.

特許文献１には、扉に設けたガードアームを扉の室内側面に沿うように横に倒した状態から室内側に起立するように回動し、枠に設けたガードアーム係止部材に係止することで、扉の開きを制限するドア（建具）が開示されている。扉の開きを制限することで、来訪者の確認や室内の換気等を図るものである。 In Patent Document 1, the guard arm provided on the door is rotated so as to stand upright on the indoor side from a state in which the guard arm provided on the door is tilted sideways along the indoor side surface of the door, and is locked to the guard arm locking member provided on the frame. By doing so, a door (joint) that restricts the opening of the door is disclosed. By restricting the opening of the door, visitors can be confirmed and the room can be ventilated.

特開２０１０−１１２１１号公報JP-A-2010-11211

しかし、特許文献１の技術では、室外側から枠と扉との間の隙間に針金や紐を挿入してガードアームに引掛けた後、扉を閉めて、ガードアームをその回動軌跡に沿って横に倒すように回動操作することで、ガードアームとガードアーム係止部材との係止状態を不正解除されるおそれがあった。 However, in the technique of Patent Document 1, after inserting a wire or a string into the gap between the frame and the door from the outdoor side and hooking it on the guard arm, the door is closed and the guard arm is moved along the rotation locus. By rotating the guard arm so as to tilt it sideways, there is a risk that the locked state of the guard arm and the guard arm locking member may be illegally released.

そこで、本発明は、ガードアームとガードアーム係止部材との係止状態を不正解除されるのを防止できる建具の提供を目的とする。 Therefore, an object of the present invention is to provide a fitting capable of preventing an unauthorized release of the locked state between the guard arm and the guard arm locking member.

請求項１に記載の発明は、扉に回動自在に設けたガードアームと、枠又は子扉に設けたガードアーム係止部材と、回動規制部材と、操作部とを備え、回動規制部材は、ガードアームとガードアーム係止部材が係止状態にあるときにガードアームの回動軸よりも戸尻側でガードアームの回動軌跡内に侵入自在に設けてあり、ガードアームの回動軌跡内に侵入することでガードアームとガードアーム係止部材の係止が外れる方向へガードアームが回動するのを規制するものであり、操作部は回動規制部材をガードアームの回動軌跡内から回動軌跡外へ退避させるものであり、ガードアームとガードアーム係止部材が係止状態にあるときにガードアームの回動軌跡から外れた位置で且つガードアームよりも戸尻側の位置で扉に設けてあることを特徴とする建具である。 The invention according to claim 1 includes a guard arm rotatably provided on the door, a guard arm locking member provided on the frame or the child door, a rotation restricting member, and an operation portion, and the rotation is restricted. The member is provided so as to be able to enter into the rotation locus of the guard arm on the door tail side of the rotation axis of the guard arm when the guard arm and the guard arm locking member are in the locked state. It regulates the rotation of the guard arm in the direction in which the guard arm and the guard arm locking member are unlocked by entering the motion locus, and the operation unit rotates the guard arm with the rotation restricting member. It retracts from the inside of the locus to the outside of the rotation locus, and when the guard arm and the guard arm locking member are in the locked state, the position is out of the rotation locus of the guard arm and the door end side of the guard arm. It is a fitting characterized by being provided on the door at the position.

請求項１に記載の発明によれば、ガードアームとガードアーム係止部材とが係止状態にあるときに、回動規制部材をガードアームの回動軌跡内に侵入させることにより、ガードアームがガードアーム係止部材との係止状態を外れる方向に回動するのを規制するから、室外側からガードアームの操作による不正解除を防止できる。
また、回動規制部材を回動軌跡外へ退避する操作部をガードアームの回動軌跡外に設けているので、回動規制部材を回動軌跡から退避してガードアームを扉側に回動したときに退避操作している指がガードアームやガードアーム係止部材に当るのを防止できるから、回動規制部材を安全に退避できる。 According to the first aspect of the present invention, when the guard arm and the guard arm locking member are in the locked state, the guard arm is moved by causing the rotation restricting member to enter the rotation locus of the guard arm. Since it is restricted from rotating in a direction that disengages from the locked state with the guard arm locking member, it is possible to prevent unauthorized release by operating the guard arm from the outdoor side.
Further, since the operation unit for retracting the rotation restricting member to the outside of the rotation locus is provided outside the rotation locus of the guard arm, the rotation restricting member is retracted from the rotation locus and the guard arm is rotated to the door side. Since it is possible to prevent the finger being retracted from hitting the guard arm or the guard arm locking member, the rotation restricting member can be safely retracted.

本発明の第１実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態を示す斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 1st Embodiment of this invention from the room side, and is the perspective view which shows the locked state of a guard arm and a guard arm locking member. 本発明の第１実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止解除状態を示す斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 1st Embodiment of this invention from the room side, and is the perspective view which shows the unlocked state of a guard arm and a guard arm locking member. 図１に示す回動規制具の図であり、（ａ）は正面図、（ｂ）は平面図、（ｃ）は左側面図、（ｄ）は右側面図、（ｅ）は斜視図である。1A and 1B are views of a rotation restricting tool, where FIG. 1A is a front view, FIG. 1B is a plan view, FIG. 1C is a left side view, FIG. 1D is a right side view, and FIG. 1E is a perspective view. is there. 図１に示すガードアームとガードアーム係止部材の取り付け状態を示す図であり、（ａ）は正面図、（ｂ）は（ａ）に示すＡ−Ａ断面図、（ｃ）はガードアーム係止部材の左側面図である。It is a figure which shows the attachment state of the guard arm and the guard arm locking member shown in FIG. 1, (a) is a front view, (b) is the cross-sectional view of AA shown in (a), (c) is a guard arm engagement. It is a left side view of a stop member. 本発明の第１実施の形態にかかる建具を室内側から見た正面図である。It is a front view which looked at the fitting which concerns on 1st Embodiment of this invention from the room side. 本発明の第２実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態で且つ回動規制部材がガードアームの回動軌跡内にある状態を示す斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 2nd Embodiment of this invention from the room side, and is in the locked state of a guard arm and a guard arm locking member, and the rotation restricting member is a rotation of a guard arm. It is a perspective view which shows the state in the motion locus. 本発明の第２実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態にあり且つ回動規制部材がガードアームの回動軌跡から外れた位置にあるときの状態を示す斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 2nd Embodiment of this invention from the room side, and is in the locked state of a guard arm and a guard arm locking member, and the rotation restricting member is a guard arm. It is a perspective view which shows the state when it is in the position deviating from the rotation locus. 図６に示すガードアーム、ガードアーム係止部材、回動規制部材及び退避防止部材の取り付け状態を示す図であり、（ａ）は正面図、（ｂ）は（ａ）に示すＢ−Ｂ断面図であり、（ｃ）は（ａ）に示すＣ−Ｃ断面図である。6 is a view showing an attached state of the guard arm, the guard arm locking member, the rotation restricting member, and the evacuation prevention member shown in FIG. 6, in which (a) is a front view and (b) is a BB cross section shown in (a). It is a figure, (c) is the CC sectional view shown in (a). 本発明の第３実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態で且つ回動規制部材がガードアームの回動軌跡内にある状態を示す斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 3rd Embodiment of this invention from the indoor side, and is in the locked state of a guard arm and a guard arm locking member, and the rotation restricting member is a rotation of a guard arm. It is a perspective view which shows the state in the motion locus. 本発明の第３実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態にあり且つ回動規制部材がガードアームの回動軌跡から外れた位置にあるときの状態を示す斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 3rd Embodiment of this invention from the room side, and is in the locked state of a guard arm and a guard arm locking member, and the rotation restricting member is a guard arm. It is a perspective view which shows the state when it is in the position deviating from the rotation locus. 図９に示すガードアーム、回動規制部材及び退避防止部材の取り付け状態を示す図であり、（ａ）は正面図、（ｂ）は平面図、（ｃ）は底面図である。9A and 9B are views showing an attached state of the guard arm, the rotation restricting member, and the evacuation prevention member, where FIG. 9A is a front view, FIG. 9B is a plan view, and FIG. 9C is a bottom view. 図９に示す回動規制部材の取付台座、回動規制部材及び退避防止部材の図であり、（ａ）は取付台座の正面図、（ｂ）は取付台座の側面図、（ｃ）は取付台座の底面図、（ｄ）は回動規制部材の正面図、（ｅ）は回動規制部材の平面図、（ｆ）は回動規制部材の左側面図、（ｇ）は退避防止部材の正面図、（ｉ）退避防止部材の右側面図、（ｈ）は退避防止部材の左側面図である。9A and 9B are views of a mounting pedestal of a rotation restricting member, a rotation restricting member, and an evacuation prevention member. FIG. 9A is a front view of the mounting pedestal, FIG. Bottom view of the pedestal, (d) is a front view of the rotation restricting member, (e) is a plan view of the rotation restricting member, (f) is a left side view of the rotation restricting member, and (g) is an evacuation prevention member. The front view, (i) the right side view of the evacuation prevention member, and (h) is the left side view of the evacuation prevention member. 本発明の第４実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態を示すと共に制御部材が回動規制部材の作用許可位置にあるときの斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 4th Embodiment of this invention from the room side, and shows the locked state of a guard arm and a guard arm locking member, and the control member is a rotation restricting member. It is a perspective view when it is in the action permission position. 本発明の第４実施の形態にかかる建具の扉戸先側を室内側から見た図であって、ガードアームとガードアーム係止部材の係止状態を示すと共に制御部材が回動規制部材の作用停止位置にあるときの斜視図である。It is a figure which looked at the door door end side of the fitting which concerns on 4th Embodiment of this invention from the room side, and shows the locked state of a guard arm and a guard arm locking member, and the control member is a rotation restricting member. It is a perspective view when it is in the action stop position. 図１３に示す回動規制具の図のであり、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は左側面図、（ｄ）は平面図、（ｅ）は制御部材を外した回動規制具の平面図である。It is a figure of the rotation restricting tool shown in FIG. 13, (a) is a front view, (b) is a right side view, (c) is a left side view, (d) is a plan view, and (e) is a control member. It is a top view of the removed rotation restricting tool.

以下に、添付図面を参照して本発明の実施の形態について説明するが、まず、図１〜図５を参照して本発明の第１実施の形態について説明する。
図５に示すように、本実施の形態にかかる建具１は、ドアであり、枠３と、扉５と、ガードアーム装置７とを備えている。図１に示すように、ガードアーム装置７は、扉５に回動軸Ｋを中心にして回動自在に設けたガードアーム９と、枠３に設けたガードアーム係止部材１１と、回動規制部材１３と、操作部１５とを有している。回動規制部材１３と操作部１５とは、ガードアーム９と別体の回動規制具１４に一体に設けてある。
ガードアーム９は、扉５の戸先部に固定する取付台座１７を有し、図４に示すように、取付台座１７は扉５の室内側面５ａに当てて扉５の内部に設けた裏板１８にねじ２１ａ、２１ｂ、２１ｃで固定してある。ねじ２１ａ、２１ｂ、２１ｃは本実施の形態体では上下に３つ並べて設けてあり、裏板１８には、予めねじ２１ａ、２１ｂ、２１ｃに対応する３つの雌ねじ２４が形成してあると共に扉５の室内側面にも３つのねじ２１ａ、２１ｂ、２１ｃを各々挿通するねじ挿通孔が形成されている。取付台座１７にも３つのねじ２１ａ、２１ｂ、２１ｃに対応して、３つのねじ挿通孔２２が形成してある。取付台座１７と各ねじ２１ａ、２１ａ、２１ｂの関係については後述する。
また、ガードアーム９の取付台座１７には、ガードアーム９を、回動軸Ｋ（図１参照）を中心にして回動自在に支持する一対の支持部１９が上下に設けてある。
図１に示すように、ガードアーム９は、互いに間隔を開けて上下に設けた上アーム部９ａと下アーム部９ｂと上アーム部９ａと下アーム部９ｂを連結した連結部９ｃとを有している。上アーム部９ａと下アーム部９ｂとの間の間隔は、取付台座１７の支持部１９側を広くしてガードアーム係止部材１１を挿入自在な巾広部２３ａと、ガードアーム係止部材１１を摺動自在に係止する巾狭部２３ｂとが形成してある。
ガードアーム９は、図１に示す室内側に起立した位置と、図２に示す扉の室内側表面に沿って横にした位置（扉側に回動した状態）との間の回動軌跡Ｆ（図１参照）間を回動自在としてある。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. First, the first embodiment of the present invention will be described with reference to FIGS. 1 to 5.
As shown in FIG. 5, the fitting 1 according to the present embodiment is a door, and includes a frame 3, a door 5, and a guard arm device 7. As shown in FIG. 1, the guard arm device 7 rotates with a guard arm 9 provided on the door 5 so as to be rotatable around a rotation shaft K, a guard arm locking member 11 provided on the frame 3, and so on. It has a regulating member 13 and an operating unit 15. The rotation restricting member 13 and the operating portion 15 are integrally provided on the rotation restricting tool 14 which is separate from the guard arm 9.
The guard arm 9 has a mounting pedestal 17 fixed to the door tip of the door 5, and as shown in FIG. 4, the mounting pedestal 17 is in contact with the indoor side surface 5a of the door 5 and is provided inside the door 5. It is fixed to 18 with screws 21a, 21b, 21c. In the present embodiment, three screws 21a, 21b, and 21c are provided side by side, and three female screws 24 corresponding to the screws 21a, 21b, and 21c are formed in advance on the back plate 18, and the door 5 is formed. Screw insertion holes for inserting the three screws 21a, 21b, and 21c are also formed on the indoor side surface of the above. The mounting pedestal 17 is also formed with three screw insertion holes 22 corresponding to the three screws 21a, 21b, and 21c. The relationship between the mounting pedestal 17 and the screws 21a, 21a, 21b will be described later.
Further, the mounting pedestal 17 of the guard arm 9 is provided with a pair of support portions 19 that rotatably support the guard arm 9 about a rotation shaft K (see FIG. 1) at the top and bottom.
As shown in FIG. 1, the guard arm 9 has an upper arm portion 9a and a lower arm portion 9b, and a connecting portion 9c connecting the upper arm portion 9a and the lower arm portion 9b, which are provided vertically at intervals from each other. ing. The distance between the upper arm portion 9a and the lower arm portion 9b is widened on the support portion 19 side of the mounting pedestal 17 so that the guard arm locking member 11 can be inserted into the wide portion 23a and the guard arm locking member 11. Is formed with a narrow portion 23b that slidably locks the above.
The guard arm 9 has a rotation locus F between the position where the guard arm 9 stands upright on the indoor side shown in FIG. 1 and the position where the guard arm 9 lies sideways along the indoor side surface of the door shown in FIG. 2 (in a state of being rotated toward the door side). (See FIG. 1) The door is rotatable.

ガードアーム係止部材１１は、枠３にねじ２６で固定した取付台座２５に対して図２に矢印Ｅで示すように、先端を上にした上位置と横に倒した横位置との間を回動自在に設けてあり、上位置ではガードアーム９に非係止状態であり、横位置でガードアーム９に係止可能状態となる。ガードアーム係止部材１１の先端部には係止突起２７が突設してあり、各係止突起２７は、ガードアーム９の上アーム部９ａと下アーム部９ｂとに摺動自在に係止する。 The guard arm locking member 11 is provided between the upper position with the tip facing up and the lateral position with the tip facing up, as shown by an arrow E in FIG. 2, with respect to the mounting pedestal 25 fixed to the frame 3 with screws 26. It is rotatably provided, and is in a non-locked state to the guard arm 9 in the upper position and can be locked to the guard arm 9 in the lateral position. A locking projection 27 is projected from the tip of the guard arm locking member 11, and each locking projection 27 is slidably locked to the upper arm portion 9a and the lower arm portion 9b of the guard arm 9. To do.

回動規制具１４は、取付台座２９と、回動規制部材１３を突出自在に収納する収納部３１とを一体に有し、操作部１５は収納部３１に上下動自在に設けてある。
図３（ａ）（ｃ）（ｄ）に示すように、収納部３１には、ばね３３が設けてあり、回動規制部材１３は、ばね３３によりガードアーム９の回動軌跡Ｆ側（上方）に向けて常時付勢されている。
操作部１５は回動規制部材１３に取り付けてあり、収納部３１から突出している回動規制部材１３をばね３３に抗して押下げることで収納部３１側に引き込ませて、回動軌跡Ｆ外へ退避させるようになっている。
図１、図３及び図４に示すように、回動規制部材の取付台座２９は、ガードアームの取付台座１７に被着する被着部３５と、扉５の室内側面５ａに当接する補強部３７とを有し、被着部３５と補強部３７とは段状に形成してあり、補強部３７は被着部３５よりも扉５の内周側に配置されている（図１参照）。
図３に示すように、被着部３５には上下２箇所にねじ挿通孔３９ａ、３９ｂが形成してあり、２つのねじ挿通孔３９ａ、３９ｂは、ガードアームの取付台座１７の３つのねじ挿通孔２２（図４（ｂ）参照）のうち上２つのねじ挿通孔２２に連通しており、２つのねじ２１ａ、２１ｂでガードアームの取付台座１７と回動規制具１４とを共締めにより固定している。 The rotation restricting tool 14 integrally has a mounting pedestal 29 and a storage portion 31 for accommodating the rotation restricting member 13 so as to be projectable, and the operation unit 15 is provided in the storage unit 31 so as to be vertically movable.
As shown in FIGS. 3A, 3C, and 3D, a spring 33 is provided in the accommodating portion 31, and the rotation restricting member 13 is moved by the spring 33 to the rotation locus F side (upper side) of the guard arm 9. ) Is constantly being urged.
The operation unit 15 is attached to the rotation restricting member 13, and the rotation restricting member 13 protruding from the accommodating portion 31 is pushed down against the spring 33 to be pulled into the accommodating portion 31 side, and the rotation locus F It is designed to be evacuated to the outside.
As shown in FIGS. 1, 3 and 4, the mounting pedestal 29 of the rotation restricting member has a mounting portion 35 that is attached to the mounting pedestal 17 of the guard arm and a reinforcing portion that abuts on the indoor side surface 5a of the door 5. 37 is provided, and the adhered portion 35 and the reinforcing portion 37 are formed in a stepped shape, and the reinforcing portion 37 is arranged on the inner peripheral side of the door 5 with respect to the adhered portion 35 (see FIG. 1). ..
As shown in FIG. 3, screw insertion holes 39a and 39b are formed in the adherend portion 35 at two upper and lower positions, and the two screw insertion holes 39a and 39b are for inserting three screws of the guard arm mounting pedestal 17. The upper two screw insertion holes 22 of the holes 22 (see FIG. 4B) are communicated with each other, and the two screws 21a and 21b fix the guard arm mounting pedestal 17 and the rotation restrictor 14 together. doing.

ここで、ガードアーム装置７の装着について説明する。
図１に示すように、枠３にガードアーム係止部材１１の取付台座２５をねじ２６で固定する。
扉５には、ガードアーム９の取付台座１７をねじ固定するが、図４に示すように、ガードアームの取付台座１７は３つのねじ挿通孔２２のうち一番下のねじ挿通孔２２にねじ２１ｃのみを挿通してねじ固定する。
次に、ガードアームの取付台座１７に回動規制部材の取付台座２９の被着部３５を被着し、補強部３７を扉５の室内面に当てて、２つのねじ挿通孔３９ａ、３９ｂ（図３参照）を各々ガードアームの取付台座１７の上２つのねじ挿通孔２２と連通する位置に配置し、２つのねじ２１ａ、２１ｂを締め付けて、回動規制部材の取付台座２９をガードアームの取付台座１７に共締めする。 Here, the mounting of the guard arm device 7 will be described.
As shown in FIG. 1, the mounting pedestal 25 of the guard arm locking member 11 is fixed to the frame 3 with screws 26.
The mounting pedestal 17 of the guard arm 9 is screwed to the door 5, and as shown in FIG. 4, the mounting pedestal 17 of the guard arm is screwed into the bottom screw insertion hole 22 of the three screw insertion holes 22. Only 21c is inserted and fixed with screws.
Next, the attachment portion 35 of the attachment pedestal 29 of the rotation restricting member is attached to the attachment pedestal 17 of the guard arm, the reinforcing portion 37 is applied to the indoor surface of the door 5, and the two screw insertion holes 39a and 39b ( (See FIG. 3) are arranged at positions communicating with the two upper screw insertion holes 22 of the guard arm mounting pedestal 17, and the two screws 21a and 21b are tightened to attach the rotation restricting member mounting pedestal 29 to the guard arm. Tighten together with the mounting pedestal 17.

次に、本実施の形態にかかる建具１の作用について説明する。
図２に示すように、ガードアーム装置７が非作用状態にあるとき、即ち、扉５の開きを制限していないときには、ガードアーム９は扉５の室内側面５ａに沿って横に倒した状態（扉側に回動した状態）としてある。回動規制部材１３は、収納部３１内のばね３３（図３（ａ）（ｃ）（ｄ）参照）の付勢力により押されてガードアーム９の下アーム部９ｂの下面１０ａに当接した状態になっている。尚、ガードアーム係止部材１１は、図２では先端部を横にして倒しているが、ガードアーム装置７を全く使用しない場合、先端部を上にして起立した状態とする。
ガードアーム装置７を作用させるとき、即ち、扉５の開きを制限するときには、図２に示すように、ガードアーム係止部材１１を横に倒す位置に回動し、ガードアーム９は横に倒した位置から回動軸Ｋを中心にして回動し、図１に示すように室内側に立ち上げた状態にする。これにより、ガードアーム係止部材１１の先端部がガードアーム９の巾広部２３ａに位置する。同時に、回動規制部材１３は、ガードアーム９の下面１０ａに当接した状態（図２参照）から収納部３１内のばね３３の付勢力によりガードアーム９の回動軌跡Ｆ内に侵入してその位置で保持される。
ガードアーム９を立ち上げた状態で、扉５を少し開くと、ガードアーム係止部材１１は、巾広部２３ａから巾狭部２３ｂに移動して、ガードアーム係止部材１１の係止突起２７により、ガードアーム９とガードアーム係止部材１１が係止し、扉５の開きが規制される。 Next, the operation of the fitting 1 according to the present embodiment will be described.
As shown in FIG. 2, when the guard arm device 7 is in an inactive state, that is, when the opening of the door 5 is not restricted, the guard arm 9 is tilted sideways along the indoor side surface 5a of the door 5. (Rotated to the door side). The rotation restricting member 13 was pushed by the urging force of the spring 33 (see FIGS. 3 (a), (c), (d)) in the accommodating portion 31 and came into contact with the lower surface 10a of the lower arm portion 9b of the guard arm 9. It is in a state. In addition, although the guard arm locking member 11 is tilted sideways in FIG. 2, when the guard arm device 7 is not used at all, the guard arm locking member 11 is in an upright state with the tip end facing up.
When the guard arm device 7 is operated, that is, when the opening of the door 5 is restricted, as shown in FIG. 2, the guard arm locking member 11 is rotated to a position where the guard arm locking member 11 is tilted sideways, and the guard arm 9 is tilted sideways. The door is rotated about the rotation shaft K from the position where the door is formed, and is brought up to the indoor side as shown in FIG. As a result, the tip of the guard arm locking member 11 is located at the wide portion 23a of the guard arm 9. At the same time, the rotation restricting member 13 enters the rotation locus F of the guard arm 9 by the urging force of the spring 33 in the storage portion 31 from the state of being in contact with the lower surface 10a of the guard arm 9 (see FIG. 2). It is held in that position.
When the door 5 is opened slightly with the guard arm 9 raised, the guard arm locking member 11 moves from the wide portion 23a to the narrow portion 23b, and the locking projection 27 of the guard arm locking member 11 moves. As a result, the guard arm 9 and the guard arm locking member 11 are locked, and the opening of the door 5 is restricted.

一方、ガードアーム９とガードアーム係止部材１１の係止を解除するときには、図２に示すように、扉５を閉じた後、操作部１５を押し下げて回動規制部材１３を回動軌跡Ｆ外へ退避させ、その状態のままガードアーム９を扉５側に回動して扉側に倒す。これにより、ガードアーム係止部材１１はその先端部が、ガードアーム９の巾広部２３ａに位置するので、ガードアーム９とガードアーム係止部材１１の係止が解除される。そして、操作部１５を放すと、回動規制部材１３はばね３３（図３（ａ）参照）の付勢力により押し上げられてガードアーム９の下面１０ａに当接する。その後、ガードアーム係止部材１１を先端が上に向くように回動する。 On the other hand, when releasing the lock between the guard arm 9 and the guard arm locking member 11, as shown in FIG. 2, after closing the door 5, the operation unit 15 is pushed down to rotate the rotation restricting member 13 to the rotation locus F. It is retracted to the outside, and in that state, the guard arm 9 is rotated toward the door 5 and tilted toward the door. As a result, the tip of the guard arm locking member 11 is located at the wide portion 23a of the guard arm 9, so that the guard arm 9 and the guard arm locking member 11 are unlocked. Then, when the operation unit 15 is released, the rotation restricting member 13 is pushed up by the urging force of the spring 33 (see FIG. 3A) and comes into contact with the lower surface 10a of the guard arm 9. After that, the guard arm locking member 11 is rotated so that the tip faces upward.

第１実施の形態にかかる建具１によれば、図１に示すように、ガードアーム９とガードアーム係止部材１１とが係止状態にあるときに、回動規制部材１３はガードアーム９の回動軌跡Ｆ内に侵入することにより、ガードアーム９がガードアーム係止部材１１との係止状態を外れる方向に回動するのを規制するから、室外側からガードアーム９の操作による不正解除を防止できる。
回動規制部材１３を回動軌跡Ｆ外へ退避する操作部１５をガードアーム９の回動軌跡Ｆの外に設けているので、回動規制部材１３を回動軌跡Ｆから退避してガードアーム９を扉５側に回動したときに退避操作している指がガードアーム９やガードアーム係止部材１１に当るのを防止できるから、回動規制部材１３を安全に退避できる。 According to the fitting 1 according to the first embodiment, as shown in FIG. 1, when the guard arm 9 and the guard arm locking member 11 are in the locked state, the rotation restricting member 13 is the guard arm 9. By entering the rotation locus F, the guard arm 9 is restricted from rotating in a direction in which the guard arm 9 is out of the locked state with the guard arm locking member 11. Therefore, unauthorized release by operating the guard arm 9 from the outdoor side. Can be prevented.
Since the operation unit 15 for retracting the rotation restricting member 13 to the outside of the rotation locus F is provided outside the rotation locus F of the guard arm 9, the rotation restricting member 13 is retracted from the rotation locus F and the guard arm. Since it is possible to prevent the finger that is retracting when the 9 is rotated toward the door 5 from hitting the guard arm 9 or the guard arm locking member 11, the rotation restricting member 13 can be safely retracted.

回動規制部材１３がガードアーム９の回動軌跡Ｆ内へ侵入する侵入方向は、ガードアーム９の回動軸Ｋと平行であり且つ回動規制部材１３はガードアーム９の下面１０ａに当接自在としているから、既存のガードアーム９に回動規制部材１３を後付けで設けることができる。
回動規制部材１３の取付台座２９は、被着部３５をガードアーム９の取付台座１７に被着するだけであるから、取り付けが容易であり且つ意匠性も良い。
図４に示すように、回動規制部材１３の取付台座２９のねじ挿通孔３９ａ、３９ｂ（図３参照）が、対応するガードアーム９の取付台座１７のねじ挿通孔２２に連通しているから、扉５の室内側面５ａや裏板１８に回動規制部材１３を取り付ける為の取付孔を新たに設けなくて済む。
回動規制部材１３の取付台座２９は、ガードアームの取付台座１７の扉内周側で扉５の室内側面５ａに当接する補強部３７を有しているので、ガードアーム９を通じて取付台座２９に作用する扉内周側に向かう回転モーメントに対向でき、回動規制部材１３の取付強度を補強できる。
ガードアームの取付台座１７のねじ挿通孔２２は３つあるが、そのうちの２つのねじ挿通孔２２を使って回動規制部材１３の取付台座２９を共締めしており、全部（３つ）のねじ挿通孔２２を共締めしていないので、回動規制部材１３の取り付け時にガードアーム９を押えながら作業しなくて済む。 The intrusion direction in which the rotation restricting member 13 enters the rotation locus F of the guard arm 9 is parallel to the rotation axis K of the guard arm 9, and the rotation restricting member 13 abuts on the lower surface 10a of the guard arm 9. Since it is free, the rotation restricting member 13 can be retrofitted to the existing guard arm 9.
Since the attachment pedestal 29 of the rotation restricting member 13 only attaches the attachment portion 35 to the attachment pedestal 17 of the guard arm 9, it is easy to attach and has good design.
As shown in FIG. 4, the screw insertion holes 39a and 39b (see FIG. 3) of the mounting pedestal 29 of the rotation restricting member 13 communicate with the screw insertion holes 22 of the mounting pedestal 17 of the corresponding guard arm 9. It is not necessary to newly provide a mounting hole for mounting the rotation restricting member 13 on the indoor side surface 5a or the back plate 18 of the door 5.
Since the mounting pedestal 29 of the rotation restricting member 13 has a reinforcing portion 37 that abuts on the indoor side surface 5a of the door 5 on the inner peripheral side of the door of the mounting pedestal 17 of the guard arm, the mounting pedestal 29 is attached to the mounting pedestal 29 through the guard arm 9. It can oppose the rotational moment toward the inner peripheral side of the acting door, and can reinforce the mounting strength of the rotation restricting member 13.
There are three screw insertion holes 22 in the mounting pedestal 17 of the guard arm, and two of the screw insertion holes 22 are used to fasten the mounting pedestal 29 of the rotation restricting member 13 together, and all (three). Since the screw insertion holes 22 are not tightened together, it is not necessary to hold down the guard arm 9 when attaching the rotation restricting member 13.

以下に本発明の他の実施の形態を説明するが、以下に説明する実施の形態において、上述した第１実施の形態と同一の作用効果を奏する部分には同一の符号を付することによりその部分の詳細な説明を省略し、以下の説明では第１実施の形態と主に異なる点を説明する。
図６〜図８に、本発明の第２実施の形態にかかる建具１を示す。図６及び図８に示すように、この第２実施の形態にかかる建具１では、回動規制部材１３は上支持部４７ａと下支持部４７ｂに回動自在に設けてあり、上支持部４７ａと下支持部４７ｂは、ガードアーム９の回動軸Ｋと略平行な回動軸Ｍを有している。図８（ｃ）に示すように、回動規制部材１３の後端（回動規制状態における扉内周側端）４３と回動軸Ｍとの間の寸法Ｓ１は、回動軸Ｍと扉５の室内側面５ａとの間の寸法Ｈ１よりも短くしてあり、回動規制部材１３の後端４３が回動軸Ｍの下を通って、回動軸Ｍを中心にして回動可能に設けてある。
図１に示すように、回動規制部材１３の規制端（回動規制状態における枠側端）４５には、上下方向中間部にガードアーム係止部材１１との干渉を防止する凹部４９が形成されており、上部の規制端４５は上アーム部９ａに、下部の規制端４５は下アーム部９ｂに当接自在としてある。 Other embodiments of the present invention will be described below, but in the embodiments described below, parts that exhibit the same effects as those of the above-described first embodiment are designated by the same reference numerals. The detailed description of the part will be omitted, and the following description will mainly explain the differences from the first embodiment.
6 to 8 show the fitting 1 according to the second embodiment of the present invention. As shown in FIGS. 6 and 8, in the fitting 1 according to the second embodiment, the rotation restricting member 13 is rotatably provided on the upper support portion 47a and the lower support portion 47b, and the upper support portion 47a is provided. And the lower support portion 47b have a rotation shaft M substantially parallel to the rotation shaft K of the guard arm 9. As shown in FIG. 8C, the dimension S1 between the rear end (door inner peripheral side end in the rotation restricted state) 43 and the rotation shaft M of the rotation restricting member 13 is the rotation shaft M and the door. It is shorter than the dimension H1 between the interior side surface 5a of 5 and the rear end 43 of the rotation restricting member 13 passes under the rotation shaft M and can rotate around the rotation shaft M. It is provided.
As shown in FIG. 1, at the restricted end (frame side end in the rotation restricted state) 45 of the rotation restricting member 13, a recess 49 for preventing interference with the guard arm locking member 11 is formed at an intermediate portion in the vertical direction. The upper regulation end 45 is in contact with the upper arm portion 9a, and the lower regulation end 45 is in contact with the lower arm portion 9b.

下支持部４７ｂには、回動規制部材１３が回動軌跡Ｆから退避するのを防止する退避防止部材５１が設けてある。この退避防止部材５１は、下支持部材４７ｂの下に回動軸部５３を有し、回動軸部５３の回動軸Ｎを中心にして横（扉５の内周側）位置と上方位置との間を回動自在に設けてあり、ばね５５（図８（ａ）（ｃ）参照）により回動規制部材１３の回動軌跡Ｆ内に向けて常時付勢されている。
図６に示すように、退避防止部材５１は、回動規制部材１３がガードアーム９の回動軌跡Ｆ内に侵入した状態にあるときに、後端４３に当接する規制部５１ｂと、規制部５１ｂを規制位置から解除操作する操作部５１ａを有している。操作部５１ａは、ガードアームの回動軌跡Ｆの外で且つ下側に設けてある。
図８に示すように、第２実施の形態では、ガードアーム９の取付台座１７の上下３つのねじ挿通孔２２のうち、中央のねじ挿通孔２２のみをねじ２１ｂで扉５に直接固定し、中央のねじ挿通孔２２を挟む上下のねじ挿通孔２２について、各々回動規制部材１３の取付台座２９の上下２つのねじ挿通孔３９ａ、３９ｃを連通させて、回動規制部材１３の被着部３５をガードアーム９の取付台座１７に２１ａ及び２１ｃで共締めしている。 The lower support portion 47b is provided with an evacuation prevention member 51 that prevents the rotation restricting member 13 from retracting from the rotation locus F. The evacuation prevention member 51 has a rotation shaft portion 53 under the lower support member 47b, and is positioned laterally (inner peripheral side of the door 5) and above the rotation shaft N of the rotation shaft portion 53. It is rotatably provided between the two, and is constantly urged toward the inside of the rotation locus F of the rotation restricting member 13 by a spring 55 (see FIGS. 8A and 8C).
As shown in FIG. 6, the evacuation prevention member 51 includes a regulation portion 51b that abuts on the rear end 43 and a regulation portion 51 when the rotation regulation member 13 is in a state of entering the rotation locus F of the guard arm 9. It has an operation unit 51a for releasing the 51b from the regulated position. The operation unit 51a is provided outside and below the rotation locus F of the guard arm.
As shown in FIG. 8, in the second embodiment, of the three upper and lower screw insertion holes 22 of the mounting pedestal 17 of the guard arm 9, only the central screw insertion hole 22 is directly fixed to the door 5 with the screw 21b. For the upper and lower screw insertion holes 22 that sandwich the central screw insertion hole 22, the two upper and lower screw insertion holes 39a and 39c of the mounting pedestal 29 of the rotation restriction member 13 are communicated with each other, and the attachment portion of the rotation restriction member 13 is connected. 35 is fastened together with the mounting pedestal 17 of the guard arm 9 with 21a and 21c.

この第２実施の形態にかかる建具１の作用効果について説明する。
ガードアーム装置７を非作用状態から作用させるときには、図７に示すように、ガードアーム９とガードアーム係止部材１１とを係止した後、退避防止部材５１の操作部５１ａをばね５５（図８（ａ）（ｃ）参照）の付勢力に抗して指で押し込こんで、退避防止部材５１の規制部５１ｂを扉５の室内側面５ａと、回動規制部材１３との間から退避させる。その状態で、回動規制部材１３の規制端４５をガードアーム９側に配置するように、回動規制部材１３を回動軸Ｍを中心に回動し、規制端４５をガードアーム９に当接させる（図６参照）。
その後、退避防止部材５１の操作部５１ａを押している指を放すことで、図６に示すように、退避防止部材５１は回動規制部材１３の後端４３と扉５の室内側面５ａとの間に介在する。これにより、退避防止部材５１は、後端４３の移動を規制して回動規制部材１３が反転するのを防止し、回動規制部材１３が固定される。
一方、ガードアーム装置７を非作用状態にするには、図６に示す状態から、退避防止部材５１の操作部５１ａをばねの付勢力に抗して押圧しつつ、回動規制部材１３を回動軸Ｍを中心に回動させて反転して、回動規制部材１３を回動軌跡Ｆ外に退避させることで、図７に示すように、規制端４５をガードアーム９から離す。 The action and effect of the fitting 1 according to the second embodiment will be described.
When the guard arm device 7 is operated from the non-acting state, as shown in FIG. 7, after locking the guard arm 9 and the guard arm locking member 11, the operation portion 51a of the evacuation prevention member 51 is spring 55 (FIG. 7). 8 (a) (c)) Pushed in against the urging force with a finger to retract the restricting portion 51b of the evacuation prevention member 51 from between the indoor side surface 5a of the door 5 and the rotation restricting member 13. Let me. In that state, the rotation restricting member 13 is rotated around the rotation shaft M so that the regulation end 45 of the rotation restricting member 13 is arranged on the guard arm 9 side, and the regulation end 45 hits the guard arm 9. Contact (see FIG. 6).
After that, by releasing the finger pressing the operation portion 51a of the evacuation prevention member 51, the evacuation prevention member 51 is between the rear end 43 of the rotation restricting member 13 and the indoor side surface 5a of the door 5, as shown in FIG. Intervene in. As a result, the evacuation prevention member 51 regulates the movement of the rear end 43 to prevent the rotation regulation member 13 from reversing, and the rotation regulation member 13 is fixed.
On the other hand, in order to put the guard arm device 7 into the non-acting state, the rotation restricting member 13 is rotated while pressing the operation portion 51a of the evacuation prevention member 51 against the urging force of the spring from the state shown in FIG. The regulation end 45 is separated from the guard arm 9 as shown in FIG. 7 by rotating and reversing the rotation axis M about the center and retracting the rotation regulation member 13 out of the rotation locus F.

この第２実施の形態によれば、上述した第１実施の形態と同様の作用効果を奏すると共に、図６に示すように、退避防止部材５１を設けて、回動規制部材１３がガードアーム９の回動軌跡Ｆ外へ退避するのを防止しているので、ガードアーム９とガードアーム係止部材１１との係止状態を確実に保持できるから、更に防犯性を高めることができる。
回動規制部材１３には、その規制端４５に凹部４９を設けているので、ガードアーム係止部材１１との干渉を防止できる。
図７及び図８に示すように、退避防止部材５１は、非作用時には回動規制部材１３と扉５の室内側面５ａとの間に配置しており、回動規制部材１３と退避防止部材５１を集約して配置しているので、意匠性が良い。また、非作用時には回動規制部材１３もガードアーム９と扉５の室内側面５ａとの間に配置しており、全体としてスマートで意匠性が良い。 According to the second embodiment, the same operation and effect as those of the first embodiment described above are obtained, and as shown in FIG. 6, the evacuation prevention member 51 is provided, and the rotation restricting member 13 is the guard arm 9. Since it is prevented from retracting to the outside of the rotation locus F, the locked state of the guard arm 9 and the guard arm locking member 11 can be reliably maintained, so that the crime prevention property can be further improved.
Since the rotation restricting member 13 is provided with a recess 49 at the restricting end 45, it is possible to prevent interference with the guard arm locking member 11.
As shown in FIGS. 7 and 8, the evacuation prevention member 51 is arranged between the rotation restricting member 13 and the indoor side surface 5a of the door 5 when inactive, and the rotation restricting member 13 and the evacuation prevention member 51 are arranged. The design is good because they are arranged together. Further, when not in action, the rotation restricting member 13 is also arranged between the guard arm 9 and the indoor side surface 5a of the door 5, and is smart and has a good design as a whole.

図９〜図１２を参照して、本発明の第３実施の形態について説明する。
図９に示すように、この第３実施の形態では、回動規制部材１３は支持部５７を有し、支持部５７がガードアーム９の回動軸Ｋと直交する方向の回動軸（水平方向の回動軸）Ｐを中心に回動し、扉５に対して起立した規制位置と扉５の上方に寝かせた規制解除位置（図１０参照）との間を移動自在にしてある。
退避防止部材５１は、回動規制部材１３が規制位置にあるとき、即ち支持部５７をガードアームの回動軌跡Ｆ内に立ち上げたときに、退避防止部材５１の規制部５１ｂが支持部５７の上面に係止して規制解除位置に回動するのを防止している。
尚、図１１（ａ）に示すように、退避防止部材５１の操作部５１ａはガードアーム９の回動軌跡Ｆから外れた位置に設けてある。 A third embodiment of the present invention will be described with reference to FIGS. 9 to 12.
As shown in FIG. 9, in the third embodiment, the rotation restricting member 13 has a support portion 57, and the support portion 57 is a rotation axis (horizontal) in a direction orthogonal to the rotation axis K of the guard arm 9. (Rotation axis in the direction) P is rotated around the door 5 so as to be movable between the regulation position standing upright with respect to the door 5 and the regulation release position (see FIG. 10) laid above the door 5.
In the evacuation prevention member 51, when the rotation restricting member 13 is in the restricted position, that is, when the support portion 57 is raised in the rotation locus F of the guard arm, the restricting portion 51b of the evacuation prevention member 51 causes the support portion 57. It is locked to the upper surface of the device to prevent it from rotating to the deregulation position.
As shown in FIG. 11A, the operation portion 51a of the evacuation prevention member 51 is provided at a position deviated from the rotation locus F of the guard arm 9.

この第３実施形態では、ガードアーム装置７を非作用状態から作用させるときには、図１０に示すように、ガードアーム９とガードアーム係止部材１１とを係止した後、回動規制部材１３の支持部５７を指で立ち上げる。これにより、図９に示すように、退避防止部材５１はばね５５の付勢力に順じて規制部５１ｂが回動規制部材１３の支持部５７に係止して、回動規制部材１３がガードアーム９の回動軌跡Ｆから退避するのを防止する。
この第３実施の形態によれば、上述した第２実施の形態と同様の作用効果を奏することができる。 In the third embodiment, when the guard arm device 7 is operated from the non-acting state, as shown in FIG. 10, after locking the guard arm 9 and the guard arm locking member 11, the rotation restricting member 13 Raise the support portion 57 with your fingers. As a result, as shown in FIG. 9, in the evacuation prevention member 51, the regulation portion 51b is locked to the support portion 57 of the rotation regulation member 13 in accordance with the urging force of the spring 55, and the rotation regulation member 13 guards. Prevents the arm 9 from retracting from the rotation locus F.
According to this third embodiment, it is possible to obtain the same effects as those of the second embodiment described above.

図１３〜図１５を参照して、本発明の第４実施の形態について説明する。
この第４実施の形態では、上述した第１実施の形態において、回動規制具１４に回動規制部材１３が突出するのを制御する制御部材６１を設けていることが第１実施の形態と異なっている。即ち、この第４実施の形態では、必要に応じて回動規制部材１３を作用させないことを選択できるようにしている。
図１３及び図１４に示すように、制御部材６１は、収納部３１の上面３１ａと、下面３１ｂとに軸支する腕部６１ａと、操作部１５を覆う（図１４参照）覆い部６１ｂを有しており、腕部６１ａには回動軸６３が設けてある。
図１５（ｅ）に示すように、制御部材６１は収納部３１の上面３１ａと下面３１ｂとに形成してある軸受け穴６４に腕部６１ａの回動軸６３が脱着自在に枢支されている。
覆い部６１ｂは収納部３１の扉内周側位置（図１３参照）と操作部１５を覆う正面位置（図１４参照）との間を回動自在に設けてある。
その他の構成は、操作部１５や収納部３１の形状が異なる以外は、第１実施の形態と同様である。 A fourth embodiment of the present invention will be described with reference to FIGS. 13 to 15.
In the fourth embodiment, in the first embodiment described above, the rotation restricting tool 14 is provided with a control member 61 for controlling the protrusion of the rotation restricting member 13. It's different. That is, in the fourth embodiment, it is possible to select not to act the rotation restricting member 13 as needed.
As shown in FIGS. 13 and 14, the control member 61 has an arm portion 61a that pivotally supports the upper surface 31a and the lower surface 31b of the storage portion 31, and a covering portion 61b that covers the operation portion 15 (see FIG. 14). The arm portion 61a is provided with a rotation shaft 63.
As shown in FIG. 15E, in the control member 61, the rotation shaft 63 of the arm portion 61a is detachably pivotally supported in the bearing holes 64 formed in the upper surface 31a and the lower surface 31b of the storage portion 31. ..
The covering portion 61b is rotatably provided between the position on the inner peripheral side of the door of the storage portion 31 (see FIG. 13) and the front position covering the operating portion 15 (see FIG. 14).
Other configurations are the same as those of the first embodiment except that the shapes of the operation unit 15 and the storage unit 31 are different.

この第４実施の形態では、図１３に示すように、制御部材６１の覆い部６１ｂを収納部３１の扉内周側位置に配置し又は制御部材６１を収納部３１から外すことで、第１実施の形態と同様にガードアーム９を室内側に向けて立ち上げると収納部３１内に設けてある付勢部材の付勢力により回動規制部材１３はガードアームの回動軌跡Ｆ内に突出する。
一方、図１４に示すように、制御部材６１を収納部３１に取り付けた状態で覆い部６１ｂが正面側に位置するように回動すると、腕部６１ａは回動規制部材１３が収納部３１からガードアームの回動軌跡Ｆ内への突出を阻止する。更に、制御部材６１の覆い部６１ｂは操作部１５を覆って隠す。尚、制御部材６１を外した状態にあるときに、規制部材１３を押し下げた状態にして、覆い部材６１ｂが正面側に位置するようにして制御部材６１を取り付けることで、回動規制部材１３が回動軌跡Ｆ内へ突出するのを阻止しても良い。
この第４実施の形態では、制御部材６１を回動して、覆い部６１ｂを扉内周側の位置と正面位置とに位置を変えることで又は制御部材６１を脱着することで、回動規制部材１３を作用させたり作用させなかったりすることが選択できる。また、作用させない場合には、操作部１５を覆い部６１ｂで隠すことができる。
そして、図１３に示すように、制御部材６１の覆い部６１ｂを扉内周側位置に配置することで又は制御部材６１を外すことで、第１実施の形態と同様に回動規制部材１３を作用させることができると共に第１実施の形態と同様な作用効果を奏することができる。 In the fourth embodiment, as shown in FIG. 13, the cover portion 61b of the control member 61 is arranged at the position on the inner peripheral side of the door of the storage portion 31, or the control member 61 is removed from the storage portion 31. When the guard arm 9 is raised toward the indoor side as in the embodiment, the rotation restricting member 13 projects into the rotation locus F of the guard arm due to the urging force of the urging member provided in the storage portion 31. ..
On the other hand, as shown in FIG. 14, when the cover portion 61b is rotated so as to be located on the front side with the control member 61 attached to the storage portion 31, the rotation restricting member 13 of the arm portion 61a is moved from the storage portion 31. The guard arm is prevented from protruding into the rotation locus F. Further, the covering portion 61b of the control member 61 covers and hides the operating portion 15. When the control member 61 is removed, the regulation member 13 is pushed down and the control member 61 is attached so that the cover member 61b is located on the front side. It may be prevented from protruding into the rotation locus F.
In this fourth embodiment, rotation is restricted by rotating the control member 61 to change the position of the covering portion 61b between the position on the inner peripheral side of the door and the front position, or by attaching and detaching the control member 61. It is possible to select whether or not the member 13 is allowed to act. Further, when it is not allowed to act, the operation portion 15 can be hidden by the covering portion 61b.
Then, as shown in FIG. 13, by arranging the covering portion 61b of the control member 61 at the position on the inner peripheral side of the door or by removing the control member 61, the rotation restricting member 13 can be moved as in the first embodiment. It can act and can exert the same effect as that of the first embodiment.

本発明は、上述した実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変形可能である。
例えば、各実施の形態において、ガードアーム係止部材１１は、枠３に設けることに限らず、親子ドアの子扉に設けるものであっても良い。
第１実施の形態において、回動規制部材１３の取付台座２９とガードアーム９の取付台座１７との共締めは、少なくとも一箇所あればよく、またどのねじ挿通孔を共締めするのかも制限されない。例えば、ガードアームの取付台座１７において３つあるねじ挿通孔２２のうち、下２つのねじ挿通孔２２を共締めしても良いし、上と下の２つのねじ挿通孔２２を共締めしても良い。
第１及び第４実施の形態において、回動規制部材１３は、ガードアーム９の回動軌跡Ｆに対して上に設けて、上から下に突出して回動軌跡Ｆに侵入するものであっても良い。この場合には、回動規制部材１３を付勢するばね３３を設けないで、ガードアーム９を立ち上げると、回動規制部材１３は自重によりガードアーム９の回動軌跡Ｆ内に侵入する。また、ガードアーム９が扉側に回動した状態（ガードアームの非作動時）で、回動規制部材１３はガードアームの上面１０ｂ（図１参照）に当接自在となる。
第２及び第３実施の形態において、退避防止部材５１は回動規制部材１３の上側に設けて退避防止部材５１の操作部５１ａをガードアームの回動軌跡Ｆに対して上側に外れた位置に設けても良い。 The present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist thereof.
For example, in each embodiment, the guard arm locking member 11 is not limited to being provided in the frame 3, and may be provided in the child door of the parent / child door.
In the first embodiment, the mounting pedestal 29 of the rotation restricting member 13 and the mounting pedestal 17 of the guard arm 9 may be fastened together at at least one place, and which screw insertion hole is fastened together is not limited. .. For example, of the three screw insertion holes 22 in the mounting pedestal 17 of the guard arm, the lower two screw insertion holes 22 may be tightened together, or the upper and lower two screw insertion holes 22 may be tightened together. ..
In the first and fourth embodiments, the rotation restricting member 13 is provided above the rotation locus F of the guard arm 9 and protrudes from the top to the bottom to enter the rotation locus F. Is also good. In this case, if the guard arm 9 is started without providing the spring 33 for urging the rotation restricting member 13, the rotation restricting member 13 enters the rotation locus F of the guard arm 9 by its own weight. Further, in a state where the guard arm 9 is rotated toward the door side (when the guard arm is not operated), the rotation restricting member 13 can be brought into contact with the upper surface 10b (see FIG. 1) of the guard arm.
In the second and third embodiments, the evacuation prevention member 51 is provided above the rotation restricting member 13 so that the operation portion 51a of the evacuation prevention member 51 is located above the rotation locus F of the guard arm. It may be provided.

１ 建具
３ 枠
５ 扉
９ ガードアーム
１０ａ 上面
１０ｂ 下面
１１ ガードアーム係止部材
１３ 回動規制部材
１５ 操作部
１７ ガードアームの取付台座
２９ 回動規制部材の取付台座
３５ 被着部
３７ 補強部
５１ 退避防止部材
Ｆ ガードガームの回動軌跡 1 Joinery 3 Frame 5 Door 9 Guard arm 10a Upper surface 10b Lower surface 11 Guard arm locking member 13 Rotation restricting member 15 Operation unit 17 Guard arm mounting pedestal 29 Rotation restricting member mounting pedestal 35 Attached part 37 Reinforcing part 51 Evacuation Prevention member F Guard garm rotation locus

Claims (1)

扉に回動自在に設けたガードアームと、枠又は子扉に設けたガードアーム係止部材と、回動規制部材と、操作部とを備え、
回動規制部材は、ガードアームとガードアーム係止部材が係止状態にあるときにガードアームの回動軸よりも戸尻側でガードアームの回動軌跡内に侵入自在に設けてあり、ガードアームの回動軌跡内に侵入することでガードアームとガードアーム係止部材の係止が外れる方向へガードアームが回動するのを規制するものであり、
操作部は回動規制部材をガードアームの回動軌跡内から回動軌跡外へ退避させるものであり、ガードアームとガードアーム係止部材が係止状態にあるときにガードアームの回動軌跡から外れた位置で且つガードアームよりも戸尻側の位置で扉に設けてあることを特徴とする建具。 A guard arm rotatably provided on the door, a guard arm locking member provided on the frame or the child door, a rotation restricting member, and an operation unit are provided.
The rotation restricting member is provided so as to be able to enter into the rotation locus of the guard arm on the door tail side of the rotation axis of the guard arm when the guard arm and the guard arm locking member are in the locked state. It regulates the rotation of the guard arm in the direction in which the guard arm and the guard arm locking member are unlocked by entering the rotation locus of the arm.
The operation unit retracts the rotation restricting member from the inside of the rotation locus of the guard arm to the outside of the rotation locus, and when the guard arm and the guard arm locking member are in the locked state, the rotation locus of the guard arm is used. A fitting characterized in that it is provided on the door at a position that is off and on the door butt side of the guard arm.
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