JPH0423677Y2 - - Google Patents
Info
- Publication number
- JPH0423677Y2 JPH0423677Y2 JP1986043789U JP4378986U JPH0423677Y2 JP H0423677 Y2 JPH0423677 Y2 JP H0423677Y2 JP 1986043789 U JP1986043789 U JP 1986043789U JP 4378986 U JP4378986 U JP 4378986U JP H0423677 Y2 JPH0423677 Y2 JP H0423677Y2
- Authority
- JP
- Japan
- Prior art keywords
- horizontal member
- blackboard
- edge
- storeroom
- powder receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000843 powder Substances 0.000 claims description 23
- 241001122767 Theaceae Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、黒板に関する。[Detailed explanation of the idea] [Industrial application field] The present invention relates to a blackboard.
従来の黒板としては、実開昭55−136590号及び
実公昭45−8171号に記載のものがあつた。
Conventional blackboards include those described in Utility Model Publication No. 55-136590 and Utility Model Publication No. 45-8171.
しかし、上述の前者の黒板では、黒板の下端縁
に取付けられた粉受け片部の下方に取付けられる
物置部材の構造は複雑な箱型であり、製造コスト
が高くなる欠点があつた。また、上述の後者の黒
板では、水平長手状の物置部材の両端部のみが左
右の支柱に固着されたものであり、取付け強度が
弱かつた。かつ、物置部材は底深であり、収納し
たチヨークを取り出し難く、さらに、その先端
は、上方の粉受け片部の先端よりも前方へ突出し
ているため、チヨークの粉が入り易い欠点があつ
た。 However, in the former blackboard mentioned above, the structure of the storage member attached below the powder receptacle piece attached to the lower edge of the blackboard has a complicated box-like structure, which has the drawback of increasing manufacturing costs. Further, in the latter blackboard described above, only both ends of the horizontally longitudinal storage member were fixed to the left and right pillars, and the mounting strength was weak. In addition, the bottom of the storeroom member is deep, making it difficult to take out the stored dust yoke, and furthermore, the tip thereof protrudes further forward than the tip of the upper powder receiving piece, so powder from the dust yoke can easily get into it. .
そこで、本考案は、上述の欠点を解消した黒板
を提供することを目的とする。 Therefore, an object of the present invention is to provide a blackboard that eliminates the above-mentioned drawbacks.
上述の問題点を解決するために、本考案に係る
黒板は、黒板本体と、支柱と該支柱の上下中間位
置に橋絡状に横架される横設部材とを有する枠体
と、から構成される黒板であつて；上記黒板本体
の下端縁が、上記横設部材よりも上方に位置し、
かつ、該横設部材に該下端縁が平行状態となるよ
うに、該黒板本体を上記支柱に横架し、上記横設
部材を、中空筒状の横梁部と粉受け片部とから一
体型材にて形成し、かつ、該横梁部に於ける上記
粉受け片部よりも下方の前壁面部、又は、該粉受
け片部の下面に、チヨーク等を載置する横断面略
鈎状の物置部材を取付けるための嵌込用蟻溝を形
成し、かつ、該物置部材の基端縁を、横断面Ｔの
字状とし；さらに、上記物置部材の基端縁を、上
記横設部材の蟻溝に嵌入した状態に於て、該物置
部材の該基端縁よりも下方の壁部の後端面が、上
記横設部材の上記前壁面部に当接して、該物置部
材が桶受け状姿勢を保持するようにし、かつ、該
物置部材の先端縁の位置が、上記横設部材の上記
粉受け片部の先端と略同一の前後位置となるよう
に構成したものである。
In order to solve the above-mentioned problems, the blackboard according to the present invention is composed of a blackboard main body, a frame body having a support and a horizontal member installed horizontally in a bridge-like manner at an intermediate position above and below the support. a blackboard; a lower edge of the blackboard body is located above the horizontal member;
The blackboard body is horizontally suspended on the support so that the lower end edge is parallel to the horizontal member, and the horizontal member is assembled into an integral member from the hollow cylindrical cross beam and the powder receiving piece. A storeroom with a substantially hook-shaped cross section, in which a chiyoke or the like is placed on the front wall surface portion of the cross beam below the powder receiving piece, or on the lower surface of the powder receiving piece. A fitting dovetail groove for attaching the member is formed, and the proximal edge of the storage member has a T-shaped cross section; When fitted into the groove, the rear end surface of the wall below the proximal edge of the storeroom member comes into contact with the front wall surface of the horizontal member, and the storeroom member assumes a bucket-receiving posture. and is configured such that the position of the tip edge of the storage member is approximately the same front and back position as the tip of the powder receiving piece of the horizontal member.
横梁部と粉受け片部とを一体型材にて形成する
ことにより、剛性が大となる。さらに、横梁部は
中空筒状であるため、一層剛性が増大する。ま
た、横設部材の蟻溝と物置部材の横断面Ｔの字状
の基端縁とにより、物置部材を横設部材に取付け
易く、かつ、取付け強度が大きくなる。
Rigidity is increased by forming the cross beam part and the powder receiving piece part from an integral material. Furthermore, since the cross beam part has a hollow cylindrical shape, the rigidity is further increased. Moreover, the dovetail groove of the horizontal member and the T-shaped base end edge of the storage member in cross section make it easy to attach the storage member to the horizontal member, and the attachment strength is increased.
以下、図示の実施例に基づいて本考案を詳説す
る。
Hereinafter, the present invention will be explained in detail based on the illustrated embodiments.
第１図と第２図に於いて、この黒板は、黒板本
体１と、支柱２，２と該支柱２，２の上下中間位
置に橋絡状に横架される横設部材３とを有する枠
体と、から構成されている。そして、上記黒板本
体１の下端縁Ｌが上記横設部材３よりも上方に、
かつ、該横設部材３に該下端縁Ｌが平行状態とな
るように、該黒板本体１を上記枠体の支柱２，２
に横架している。上記横設部材３は、中空筒状の
横梁部４と粉受け片部５とから成り、アルミニウ
ム合金等により、一体型材にて形成される。 In FIGS. 1 and 2, this blackboard has a blackboard main body 1, pillars 2, 2, and a horizontal member 3 that is bridged horizontally at an intermediate position above and below the pillars 2, 2. It consists of a frame body. The lower edge L of the blackboard main body 1 is located above the horizontal member 3,
In addition, the blackboard main body 1 is attached to the supports 2, 2 of the frame so that the lower edge L is parallel to the horizontal member 3.
It is suspended horizontally. The horizontal member 3 is composed of a hollow cylindrical cross beam portion 4 and a powder receiving piece portion 5, and is formed of an integral member made of aluminum alloy or the like.
つまり、第１図の実施例に於ては、横梁部４は
中空部６を有する縦長偏平楕円状に形成され、該
中空部６内の上下２ヶ所には支柱２，２と連結す
るためのビスホール７，７が一体形成される。ま
た、粉受け片部５は、横梁部４の上下中央付近か
ら水平前方へ突出状に形成され、先端弯曲部１０
と横梁部４との間に上向きの粉受け凹溝９が配設
されている。なお、上記粉受け片部５は、黒板本
体１の左右方向長と同じ長さの場合を例示する
が、これよりも短くても良い。 That is, in the embodiment shown in FIG. 1, the cross beam part 4 is formed in the shape of a vertically elongated oblate ellipse with a hollow part 6, and in the hollow part 6 there are two upper and lower parts for connecting with the supports 2, 2. The screw holes 7, 7 are integrally formed. Further, the powder receiving piece portion 5 is formed to protrude horizontally forward from near the upper and lower center of the cross beam portion 4, and has a curved tip portion 10.
An upward powder-receiving groove 9 is disposed between the cross-beam portion 4 and the cross-beam portion 4. In addition, although the said powder receiving piece part 5 illustrates the case where the length is the same as the left-right direction length of the blackboard main body 1, it may be shorter than this.
しかして、１１は、粉受け片部５の下面１２に
形成した嵌込用蟻溝であり、チヨーク等を載置す
る横断面略鈎状の物置部材１３を取付けるための
ものである。第１図の実施例に於ては、上記蟻溝
１１は、粉受け片部５と横梁部４とが交差する隅
角部Ｃ付近の該粉受け片部５の下面１２に形成さ
れる。また、物置部材１３の基端縁１４は、横断
面Ｔの字状とされ、この基端縁１４を上記蟻溝１
１に嵌込むことにより、物置部材１３全体は吊持
状に支持される。つまり、物置部材１３の基端縁
１４を、横設部材３の蟻溝１１に嵌入した状態に
於て、物置部材１３の基端縁１４よりも下方の壁
部の後端面が、横設部材３の粉受け片部５よりも
下方の前壁面部８に当接して、物置部材１３が桶
受け状姿勢を保持するようにしている。また、物
置部材１３の先端縁の位置は、横設部材３の粉受
け片部５の先端と略同一の前後位置とされてい
る。なお、蟻溝１１の左右方向所定部位を切欠
き、その部分より上記物置部材１３を嵌込むよう
に構成するも好ましい。 Reference numeral 11 denotes a fitting dovetail groove formed on the lower surface 12 of the powder receiving piece 5, and is used to attach a storage member 13 having a substantially hook-shaped cross section on which a tea yoke or the like is placed. In the embodiment shown in FIG. 1, the dovetail groove 11 is formed on the lower surface 12 of the powder receiving piece 5 near the corner C where the powder receiving piece 5 intersects with the cross beam 4. The base edge 14 of the storage member 13 has a T-shaped cross section, and the base edge 14 is connected to the dovetail groove 1.
1, the entire storeroom member 13 is supported in a hanging manner. That is, when the proximal edge 14 of the storage member 13 is fitted into the dovetail groove 11 of the horizontal member 3, the rear end surface of the wall portion below the proximal edge 14 of the storage member 13 is The storage member 13 is in contact with the front wall surface portion 8 below the powder receiving piece portion 5 of No. 3 so as to maintain a bucket-receiving posture. Further, the position of the tip edge of the storage member 13 is approximately the same front and back position as the tip of the powder receiving piece 5 of the horizontal member 3. It is also preferable to cut out a predetermined portion of the dovetail groove 11 in the left and right direction, and to fit the storage member 13 into that portion.
上記横設部材３の左右方向端部は、第３図に示
すように、セルフタツピングネジ１５……によつ
て左右支柱２，２と夫々連結され、具体的には、
横梁部４の断面内部に形成された上記ビスホール
７，７を左右支柱２，２に夫々付設されたビス孔
１６，１６の位置に合わせ、上記タツピングネジ
１５……をこのビス孔１６に挿通し、さらに、上
記ビスホール７内に捩込めば良い。これにより、
ビスホール７……内周部にメネジ部が形成され、
もつて横設部材３は左右支柱２，２と強固に結合
される。 As shown in FIG. 3, the left and right ends of the horizontal member 3 are connected to the left and right columns 2, 2 by self-tapping screws 15, respectively, and specifically,
Align the screw holes 7, 7 formed inside the cross section of the cross beam portion 4 with the screw holes 16, 16 attached to the left and right columns 2, 2, respectively, and insert the tapping screws 15 into the screw holes 16, Furthermore, it suffices to screw it into the screw hole 7. This results in
Screw hole 7...A female thread is formed on the inner periphery,
The horizontal member 3 is firmly connected to the left and right support columns 2, 2.
１７は、上側へ巻込自在のスクリーンであり、
黒板本体１の前面側に展張されている。 17 is a screen that can be rolled up freely;
It is extended on the front side of the blackboard main body 1.
横設部材３の左右端部には、第１図仮想線で示
す平面形状の嵌込片１８，１８を嵌脱可能に設け
るも好ましい。 It is also preferred that planar fitting pieces 18, 18 shown by imaginary lines in FIG.
横設部材３の断面形状については、第４図に示
すように、横梁部４の中空部６内に粉受け片部５
から延設する如く、補強部１９を形成してもよ
い。 Regarding the cross-sectional shape of the horizontal member 3, as shown in FIG.
The reinforcing portion 19 may be formed so as to extend from.
第５図は、横梁部４に於ける粉受け片部５より
も下方の隅角部Ｃ付近の該横梁部４の前壁面部８
に、蟻溝１１を形成した場合を示している。 FIG. 5 shows the front wall surface portion 8 of the cross beam portion 4 near the corner C below the powder receiving piece portion 5 of the cross beam portion 4.
2 shows a case where dovetail grooves 11 are formed.
次に、黒板本体１を左右方向に何台も連結する
には、第６図乃至第８図のように、左右に配設さ
れた黒板の何れか一方の支柱２を取外して除いた
上、他方の支柱２を夫々両側から挟持するように
横設部材３，３同士を結合する。具体的には、横
設部材３，３の夫々端部に連結部材２０，２０を
取付け、該連結部材２０，２０の間に支柱２を挟
んだ状態で連結ボルト２１，２１で固定すればよ
い。２２は、黒板本体１を支柱２上端部に回動可
能に枢支する支持ピンであり、２３，２３はスぺ
ーサである。なお、上記連結ボルト２１，２１と
螺合するメネジ部を連結部材２０，２０の何れか
一方に付設し、ボルト長を短くするも好ましい。 Next, in order to connect a number of blackboard bodies 1 in the left and right direction, as shown in FIGS. The horizontal members 3, 3 are connected to each other so as to sandwich the other support 2 from both sides. Specifically, the connecting members 20, 20 may be attached to the respective ends of the horizontal members 3, 3, and the supporting column 2 may be sandwiched between the connecting members 20, 20, and fixed with connecting bolts 21, 21. . 22 is a support pin that rotatably supports the blackboard main body 1 on the upper end of the support column 2, and 23, 23 are spacers. It is also preferable to attach a female screw portion to one of the connecting members 20, 20 to be screwed into the connecting bolts 21, 21 to shorten the length of the bolt.
上述の構成により、横設部材３を、例えばアル
ミニウム合金の押出形成にて容易に製作すること
が出来る。さらに、蟻溝１４を横設部材３の上記
隅角部Ｃ付近に付設すれば、全体の剛性を一層向
上させることが出来ると共に、物置部材１３を安
定状態で支持することが出来る。 With the above-described configuration, the horizontal member 3 can be easily manufactured by extrusion forming, for example, an aluminum alloy. Further, by providing the dovetail groove 14 near the corner C of the horizontal member 3, the overall rigidity can be further improved and the storage member 13 can be supported in a stable state.
上述の構成により、本考案は、以下に示す顕著
な効果を奏する。
With the above configuration, the present invention has the following remarkable effects.
枠体の強度及び剛性を大とすることが出来
る。 The strength and rigidity of the frame can be increased.
横設部材３及び物置部材１３を押出形成にて
容易に製造することが出来、製造コストを低く
し得る。 The horizontal member 3 and the storage member 13 can be easily manufactured by extrusion molding, and the manufacturing cost can be reduced.
横設部材３に物置部材１３を容易に取付け出
来、かつ、一旦取付けた後の取付け強度が大と
なる。 The storage member 13 can be easily attached to the horizontal member 3, and the attachment strength once attached is increased.
横設部材３に物置部材１３を係止するための
構造及び物置部材１３の先端が前方へ突出する
姿勢を保持するための構造を簡単なものとする
ことが出来る。 The structure for locking the storeroom member 13 to the horizontal member 3 and the structure for maintaining the posture in which the tip of the storeroom member 13 protrudes forward can be simplified.
チヨークの粉が物置部材１３内に入るのを防
止出来、かつ、物置部材１３にチヨーク等を収
納し、又は取出すことを素早く出来る。 It is possible to prevent the powder of the chiyoke from entering the storage member 13, and to quickly store and take out the chiyoke and the like in the storage member 13.
第１図は本考案の一実施例に於ける要部を示す
横断面図、第２図は全体の正面図、第３図は第１
図の−断面図、第４図及び第５図は夫々他の
実施例を示す要部横断面図、第６図は左右方向に
連結する場合を示す斜視図、第７図はその連結部
を示す正面図、第８図は横設部材の左右端部の一
方に連結金具を取付けた状態を示す拡大斜視図で
ある。
１……黒板本体、２……支柱、３……横設部
材、４……横梁部、５……粉受け片部、８……前
壁面部、１１……蟻溝、１２……下面、１３……
物置部材、１４……基端縁、Ｌ……下端縁。
Fig. 1 is a cross-sectional view showing the main parts of an embodiment of the present invention, Fig. 2 is a front view of the whole, and Fig. 3 is a cross-sectional view showing the main parts of an embodiment of the present invention.
4 and 5 are cross-sectional views of main parts showing other embodiments, FIG. 6 is a perspective view showing a case where the connection is made in the left and right direction, and FIG. 7 is a perspective view showing the connection part. The front view shown in FIG. 8 is an enlarged perspective view showing a state in which a connecting fitting is attached to one of the left and right ends of the horizontal member. 1... Blackboard body, 2... Support, 3... Horizontal member, 4... Horizontal beam part, 5... Powder receiving piece part, 8... Front wall part, 11... Dovetail groove, 12... Bottom surface, 13...
Storage member, 14... Proximal edge, L... Lower edge.
Claims (1)
下中間位置に橋絡状に横架される横設部材３とを
有する枠体と、から構成される黒板であつて、 上記黒板本体１の下端縁Ｌが、上記横設部材３
よりも下方に位置し、かつ、該横設部材３に該下
端縁Ｌが平行状態となるように、該黒板本体１を
上記支柱２，２に横架し、 上記横設部材３を、中空筒状の横梁部４と粉受
け片部５とから一体型材にて形成し、かつ、該横
梁部４に於ける上記粉受け片部５よりも下方の前
壁面部８、又は、該粉受け片部５の下面１２に、
チヨーク等を載置する横断面略鈎状の物置部材１
３を取付けるための嵌込用蟻溝１１を形成し、か
つ、該物置部材１３の基端縁１４を、横断面Ｔの
字状とし、 さらに、上記物置部材１３の基端縁１４を、上
記横設部材３の蟻溝１１に嵌入した状態に於て、
該物置部材１３の該基端縁１４よりも下方の壁部
の後端面が、上記横設部材３の上記前壁面部８に
当接して、該物置部材１３が桶受け状姿勢を保持
するようにし、かつ、該物置部材１３の先端縁の
位置が、上記横設部材３の上記粉受け片部５の先
端と略同一の前後位置となるように構成したこと
を特徴とする黒板。[Claims for Utility Model Registration] Consisting of a blackboard main body 1, a frame body having pillars 2, 2, and a horizontal member 3 horizontally suspended in a bridge-like manner at an intermediate position above and below the pillars 2, 2. a blackboard, wherein the lower edge L of the blackboard main body 1 is connected to the horizontal member 3;
The blackboard main body 1 is horizontally suspended between the pillars 2, 2 so that the lower edge L is parallel to the horizontal member 3, and the horizontal member 3 is mounted in a hollow A front wall surface portion 8 of the cross beam portion 4 which is formed of an integral member from a cylindrical cross beam portion 4 and a powder receiving piece portion 5, and which is lower than the powder receiving piece portion 5, or the powder receiving portion. On the lower surface 12 of the piece 5,
Storage member 1 with a substantially hook-shaped cross section on which to place a tea yoke, etc.
3 is formed, and the proximal edge 14 of the storeroom member 13 has a T-shaped cross section, and the proximal end edge 14 of the storeroom member 13 is In the state fitted into the dovetail groove 11 of the horizontal member 3,
The rear end surface of the wall below the base edge 14 of the storeroom member 13 comes into contact with the front wall surface 8 of the horizontal member 3, so that the storeroom member 13 maintains a bucket-receiving posture. A blackboard characterized in that the position of the tip edge of the storage member 13 is approximately the same front and back position as the tip of the powder receiving piece 5 of the horizontal member 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986043789U JPH0423677Y2 (en) | 1986-03-25 | 1986-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986043789U JPH0423677Y2 (en) | 1986-03-25 | 1986-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62154985U JPS62154985U (en) | 1987-10-01 |
| JPH0423677Y2 true JPH0423677Y2 (en) | 1992-06-02 |
Family
ID=30860981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986043789U Expired JPH0423677Y2 (en) | 1986-03-25 | 1986-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423677Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS458171Y1 (en) * | 1966-11-21 | 1970-04-18 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5655024Y2 (en) * | 1979-03-20 | 1981-12-22 | ||
| JPS61115696U (en) * | 1984-12-30 | 1986-07-22 |
-
1986
- 1986-03-25 JP JP1986043789U patent/JPH0423677Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS458171Y1 (en) * | 1966-11-21 | 1970-04-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62154985U (en) | 1987-10-01 |
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