CA2579792A1 - Screen assembly - Google Patents
Screen assembly Download PDFInfo
- Publication number
- CA2579792A1 CA2579792A1 CA002579792A CA2579792A CA2579792A1 CA 2579792 A1 CA2579792 A1 CA 2579792A1 CA 002579792 A CA002579792 A CA 002579792A CA 2579792 A CA2579792 A CA 2579792A CA 2579792 A1 CA2579792 A1 CA 2579792A1
- Authority
- CA
- Canada
- Prior art keywords
- frame member
- arm
- screen
- center
- frame
- 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.)
- Abandoned
Links
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/04—Balancing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/06—Arms
- F16M2200/061—Scissors arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/08—Foot or support base
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/942,991 | 2004-09-17 | ||
US10/942,991 US20060080918A1 (en) | 2004-09-17 | 2004-09-17 | Screen assembly |
PCT/CA2005/001246 WO2006029500A1 (en) | 2004-09-17 | 2005-08-12 | Screen assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2579792A1 true CA2579792A1 (en) | 2006-03-23 |
Family
ID=36059659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002579792A Abandoned CA2579792A1 (en) | 2004-09-17 | 2005-08-12 | Screen assembly |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060080918A1 (zh) |
EP (1) | EP1789844A4 (zh) |
JP (1) | JP2008513814A (zh) |
KR (1) | KR100792526B1 (zh) |
CN (1) | CN101048698A (zh) |
AU (1) | AU2005284621A1 (zh) |
CA (1) | CA2579792A1 (zh) |
WO (1) | WO2006029500A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102243429A (zh) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | 一种微型投影仪便携式屏幕 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080158669A1 (en) * | 2006-12-29 | 2008-07-03 | 3M Innovative Properties Company | Projection screen apparatus for use with portable digital projectors |
CN201434962Y (zh) * | 2008-05-02 | 2010-03-31 | 泉株式会社 | 移动式投影屏装置 |
CN201464790U (zh) * | 2009-07-24 | 2010-05-12 | 广州美视晶莹银幕有限公司 | 一种携带自立式手动升降屏幕 |
US20110119976A1 (en) * | 2009-11-23 | 2011-05-26 | Jorge Garcia | Adjustable display board system |
US8887461B2 (en) * | 2013-02-19 | 2014-11-18 | Ctb Midwest, Inc. | Structural tube |
CN103838070A (zh) * | 2014-02-13 | 2014-06-04 | 江苏红叶视听器材股份有限公司 | 投影幕板 |
US9877002B2 (en) * | 2015-10-02 | 2018-01-23 | Samsung Electronics Co., Ltd. | Reconfigurable mobile device |
CN105372921A (zh) * | 2015-12-15 | 2016-03-02 | 重庆触视科技有限公司 | 便携式投影屏幕 |
CN105842975B (zh) * | 2016-06-02 | 2017-12-08 | 潘爱松 | 一种立式投影幕 |
KR102492731B1 (ko) * | 2016-06-09 | 2023-01-27 | 삼성디스플레이 주식회사 | 롤러블 표시 장치 |
US10403184B2 (en) | 2016-12-22 | 2019-09-03 | Waldemar Veazie, IV | Freestanding exhibit display |
CN107463061B (zh) * | 2017-09-13 | 2019-08-30 | 广州励丰文化科技股份有限公司 | 一种城市天幕系统 |
CN110107950A (zh) * | 2019-06-05 | 2019-08-09 | 珠海格力电器股份有限公司 | 脚架组件及具有脚架组件的装置 |
IT202000014365A1 (it) * | 2020-06-16 | 2021-12-16 | Nova Ferr S R L | Dispositivo per la separazione di un volume di spazio |
CN111812935B (zh) * | 2020-08-05 | 2021-11-12 | 深圳市微盛特电子有限公司 | 一种新型立体全息投影仪显示设备 |
USD978226S1 (en) * | 2020-11-10 | 2023-02-14 | Emart International Inc | Collapsible screen |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1688010A (en) * | 1926-10-11 | 1928-10-16 | Carlyle E Godske | Awning construction |
US1915944A (en) * | 1931-04-16 | 1933-06-27 | Robert Forgie Hunter | Projection screen |
US2395303A (en) * | 1942-12-02 | 1946-02-19 | Stableford John Leslie | Roll-up screen |
DE1754683U (de) * | 1957-05-11 | 1957-10-24 | Zeiss Ikon Ag | Bildschirm, insbesondere fuer breitwandprojektion. |
DE1447234A1 (de) * | 1964-02-21 | 1968-11-28 | Mechanische Weberei Gmbh | Transportable Lichtbildprojektionswand |
JPS5227042Y2 (zh) * | 1974-07-03 | 1977-06-20 | ||
JPH0381027U (zh) * | 1989-12-05 | 1991-08-20 | ||
SE9002448L (sv) * | 1990-07-17 | 1992-01-18 | Ata Byy Markprod Ab | Vaegmaerkes- och informationstavleanordning |
JPH05165104A (ja) * | 1991-12-13 | 1993-06-29 | Victor Co Of Japan Ltd | 電動スクリーン装置 |
US5706130A (en) * | 1995-10-30 | 1998-01-06 | Rosen; John B. | Support assembly for a retractable device |
JP3385207B2 (ja) * | 1997-09-05 | 2003-03-10 | 泉株式会社 | 可搬式スクリーン |
JP3411515B2 (ja) * | 1998-08-20 | 2003-06-03 | 泉株式会社 | 可搬式スクリーン |
US6191886B1 (en) * | 1998-08-24 | 2001-02-20 | Vutec Corp. | Video projection screen assembly |
JP4141864B2 (ja) * | 2002-05-23 | 2008-08-27 | 株式会社オーエス | 自立式手動昇降スクリーン |
JP2004246162A (ja) * | 2003-02-14 | 2004-09-02 | Os Kogyo Kk | 自立式スクリーンの調整機構 |
-
2004
- 2004-09-17 US US10/942,991 patent/US20060080918A1/en not_active Abandoned
-
2005
- 2005-07-19 KR KR1020050065093A patent/KR100792526B1/ko not_active IP Right Cessation
- 2005-08-12 WO PCT/CA2005/001246 patent/WO2006029500A1/en active Application Filing
- 2005-08-12 CA CA002579792A patent/CA2579792A1/en not_active Abandoned
- 2005-08-12 EP EP05775190A patent/EP1789844A4/en not_active Withdrawn
- 2005-08-12 CN CNA2005800311387A patent/CN101048698A/zh active Pending
- 2005-08-12 AU AU2005284621A patent/AU2005284621A1/en not_active Abandoned
- 2005-08-12 JP JP2007531549A patent/JP2008513814A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102243429A (zh) * | 2011-06-16 | 2011-11-16 | 中国科学院福建物质结构研究所 | 一种微型投影仪便携式屏幕 |
Also Published As
Publication number | Publication date |
---|---|
JP2008513814A (ja) | 2008-05-01 |
EP1789844A1 (en) | 2007-05-30 |
EP1789844A4 (en) | 2009-01-21 |
KR100792526B1 (ko) | 2008-01-09 |
US20060080918A1 (en) | 2006-04-20 |
WO2006029500A1 (en) | 2006-03-23 |
AU2005284621A1 (en) | 2006-03-23 |
CN101048698A (zh) | 2007-10-03 |
KR20060053875A (ko) | 2006-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |