CA2579792A1 - Screen assembly - Google Patents

Screen assembly Download PDF

Info

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
Application number
CA002579792A
Other languages
English (en)
French (fr)
Inventor
Paul Clubbe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Publication of CA2579792A1 publication Critical patent/CA2579792A1/en
Abandoned legal-status Critical Current

Links

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)
CA002579792A 2004-09-17 2005-08-12 Screen assembly Abandoned CA2579792A1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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