JPH0380425U - - Google Patents

Info

Publication number
JPH0380425U
JPH0380425U JP1989140624U JP14062489U JPH0380425U JP H0380425 U JPH0380425 U JP H0380425U JP 1989140624 U JP1989140624 U JP 1989140624U JP 14062489 U JP14062489 U JP 14062489U JP H0380425 U JPH0380425 U JP H0380425U
Authority
JP
Japan
Prior art keywords
screen
roll
winding shaft
screen device
projection screen
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.)
Granted
Application number
JP1989140624U
Other languages
Japanese (ja)
Other versions
JP2554974Y2 (en
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 filed Critical
Priority to JP1989140624U priority Critical patent/JP2554974Y2/en
Publication of JPH0380425U publication Critical patent/JPH0380425U/ja
Application granted granted Critical
Publication of JP2554974Y2 publication Critical patent/JP2554974Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の主要部の構成の一実施例を示
す説明図、第２図は第１図のスクリーンを張設し
た時の説明図、第３図は第１図の断面図、第４図
、第５図は本考案の巻取りスクリーン装置を三脚
スタンドに適用した際の側面図、第６図、第７図
は別の実施例の構成を示す側面図、第８図は第６
図及び第７図の要部の正面図、第９図は第８図の
側面図、第１０図は従来の三脚スタンド式映写用
スクリーン装置の全体構成を示す説明図である。 Fig. 1 is an explanatory diagram showing one embodiment of the configuration of the main part of the present invention, Fig. 2 is an explanatory diagram when the screen shown in Fig. 1 is stretched, and Fig. 3 is a cross-sectional view of Fig. 1. 4 and 5 are side views when the winding screen device of the present invention is applied to a tripod stand, FIGS. 6 and 7 are side views showing the configuration of another embodiment, and FIG. 8 is a side view showing the configuration of another embodiment.
FIG. 9 is a side view of FIG. 8, and FIG. 10 is an explanatory diagram showing the overall configuration of a conventional tripod stand type projection screen device.

Claims (1)

【実用新案登録請求の範囲】 (1) スクリーンの一端辺を捲回軸に固着し、該
捲回軸に捲回した映写用スクリーン装置において
、 前記スクリーンが、渦巻バネ様に捲回軸に捲回
され、張設時に捲回された元の形状に復元する復
元力を発揮する材質で構成されたことを特徴とす
る巻き取り式映写用スクリーン装置。 (2) 前記請求項１に記載の巻き取り式映写用ス
クリーン装置において、 前記スクリーンの巻取り内側面に、スクリーン
面上での乱反射を防いで反射に指向性を持たせた
指向性スクリーンを備えたことを特徴とする巻き
取り式映写用スクリーン装置。[Claims for Utility Model Registration] (1) In a projection screen device in which one end of the screen is fixed to a winding shaft and the screen is wound around the winding shaft, the screen is wound around the winding shaft like a spiral spring. A roll-up projection screen device characterized in that it is made of a material that exhibits a restoring force that restores the original shape when rolled and stretched. (2) The roll-up projection screen device according to claim 1, further comprising a directional screen on the inner surface of the roll-up of the screen that prevents diffuse reflection on the screen surface and gives directionality to the reflection. A retractable projection screen device characterized by:
JP1989140624U 1989-12-06 1989-12-06 Rewind type projection screen device Expired - Lifetime JP2554974Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989140624U JP2554974Y2 (en) 1989-12-06 1989-12-06 Rewind type projection screen device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989140624U JP2554974Y2 (en) 1989-12-06 1989-12-06 Rewind type projection screen device

Publications (2)

Publication Number Publication Date
JPH0380425U true JPH0380425U (en) 1991-08-19
JP2554974Y2 JP2554974Y2 (en) 1997-11-19

Family

ID=31687579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989140624U Expired - Lifetime JP2554974Y2 (en) 1989-12-06 1989-12-06 Rewind type projection screen device

Country Status (1)

Country Link
JP (1) JP2554974Y2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006213389A (en) * 2005-02-07 2006-08-17 Ricoh Co Ltd Packaging device
JP2007069925A (en) * 2005-09-05 2007-03-22 Ricoh Co Ltd Packaging device
JP2008308233A (en) * 2008-06-27 2008-12-25 Matsuda Gijutsu Kenkyusho:Kk Pallet
JP2015045715A (en) * 2013-08-28 2015-03-12 株式会社近畿エデュケーションセンター Magnet screen
CN114114822A (en) * 2021-12-21 2022-03-01 得力集团有限公司 Curtain working method and electric projection curtain

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552136U (en) * 1978-09-30 1980-04-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552136U (en) * 1978-09-30 1980-04-07

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006213389A (en) * 2005-02-07 2006-08-17 Ricoh Co Ltd Packaging device
JP4533767B2 (en) * 2005-02-07 2010-09-01 株式会社リコー Packing equipment
JP2007069925A (en) * 2005-09-05 2007-03-22 Ricoh Co Ltd Packaging device
JP4734064B2 (en) * 2005-09-05 2011-07-27 株式会社リコー Packing equipment
JP2008308233A (en) * 2008-06-27 2008-12-25 Matsuda Gijutsu Kenkyusho:Kk Pallet
JP2015045715A (en) * 2013-08-28 2015-03-12 株式会社近畿エデュケーションセンター Magnet screen
CN114114822A (en) * 2021-12-21 2022-03-01 得力集团有限公司 Curtain working method and electric projection curtain

Also Published As

Publication number Publication date
JP2554974Y2 (en) 1997-11-19

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