JPS6370546U - - Google Patents
Info
- Publication number
- JPS6370546U JPS6370546U JP1986164377U JP16437786U JPS6370546U JP S6370546 U JPS6370546 U JP S6370546U JP 1986164377 U JP1986164377 U JP 1986164377U JP 16437786 U JP16437786 U JP 16437786U JP S6370546 U JPS6370546 U JP S6370546U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- holding
- rod
- screw shaft
- rotary
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図は本考案の映写用スクリーンの実施例を
示す正面図、第２図は要部を示す分解正面図、第
３図は保持具と回転保持具を用いて支持杆と折曲
杆を結合した状態を示す断面図、第４図は要部の
組み立て状態を示す分解断面図、第５図は映写用
スクリーンに固定具を取付けて、壁面に取付けた
係止具に係止した状態の要部を示す縦断側面図、
第６図は同じく縦断正面図、第７図は同じく横断
平面図である。
１：スクリーンシート、２：角部、３：縫着、
４：袋部、５：切欠部、６：保持杆、７：折曲杆
、８：保持具、９：基部、１０：螺軸、１１：開
孔、１２：環状段部、１３：回転保持具、１４：
基端段部、１５：環状溝、１６：先端段部、１７
：鍔状突部、１８：回転支持用杆体挿入用開孔、
１９：螺孔、２０：開孔、２１：ピン、２２：バ
ネ、２３：連結具、２４：鍔状突部、２５：環状
段部、２６：開孔、２７：ピン、２８：保持枠、
２９：螺軸、３０：円弧状切欠き、３１：固定具
、３２：壁面、３３：係止孔、３４：開孔、３５
：係止具、３６：螺軸、３７：間隔保持手段。
Fig. 1 is a front view showing an embodiment of the projection screen of the present invention, Fig. 2 is an exploded front view showing the main parts, and Fig. 3 is a support rod and a bending rod using a holder and a rotating holder. Figure 4 is an exploded cross-sectional view showing the assembled state of the main parts, and Figure 5 shows the projection screen with the fixture attached and locked to the locking fixture attached to the wall. Vertical side view showing main parts,
FIG. 6 is a longitudinal front view, and FIG. 7 is a cross-sectional plan view. 1: Screen sheet, 2: Corner, 3: Sewing,
4: Bag portion, 5: Notch portion, 6: Holding rod, 7: Bent rod, 8: Holder, 9: Base portion, 10: Spiral shaft, 11: Opening hole, 12: Annular step portion, 13: Rotation holding Ingredients, 14:
Proximal step, 15: Annular groove, 16: Distal step, 17
: Flange-shaped protrusion, 18: Rotation support rod insertion hole,
19: screw hole, 20: opening, 21: pin, 22: spring, 23: connector, 24: collar-shaped projection, 25: annular step, 26: opening, 27: pin, 28: holding frame,
29: Spiral shaft, 30: Arc-shaped notch, 31: Fixture, 32: Wall surface, 33: Locking hole, 34: Opening hole, 35
: Locking tool, 36: Screw shaft, 37: Space maintaining means.
Claims (1)
囲に角部を残して袋部を設けるとともに、 袋部内には保持杆を挿通し、角部には略９０°
に折曲した折曲杆を位置づけし、 相対面する保持杆と折曲杆の一方の端部には、
先端に螺軸を突設した保持具を固着し、他方の端
部には、該保持具の螺軸に螺合可能な螺孔を内部
を貫通して形成した回転保持具を回転自在に取付
け、該保持具の螺軸と回転保持具の螺孔とを螺合
して前記保持杆と折曲杆を結合して形成した保持
枠の緊張状態によつてスクリーンシートを張設し
てなることを特徴とする映写用スクリーン。[Claims for Utility Model Registration] A bag portion is provided around a substantially rectangular or square screen sheet leaving a corner portion, and a holding rod is inserted into the bag portion, and the corner portion has an approximately 90° angle.
Position the bending rod that has been bent to
A holder having a screw shaft protruding from its tip is fixed, and a rotary holder is rotatably attached to the other end, the holder having a threaded hole through the inside that can be screwed into the screw shaft of the holder. , the screen sheet is stretched by the tension of a holding frame formed by screwing together the screw shaft of the holding tool and the screw hole of the rotary holding tool and joining the holding rod and the bending rod; A projection screen featuring
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986164377U JPS6370546U (en) | 1986-10-27 | 1986-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986164377U JPS6370546U (en) | 1986-10-27 | 1986-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6370546U true JPS6370546U (en) | 1988-05-12 |
Family
ID=31093443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986164377U Pending JPS6370546U (en) | 1986-10-27 | 1986-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370546U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4835115B1 (en) * | 1969-08-26 | 1973-10-25 |
-
1986
- 1986-10-27 JP JP1986164377U patent/JPS6370546U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4835115B1 (en) * | 1969-08-26 | 1973-10-25 |
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