Title:
折畳み式投影スクリーンシステム
Document Type and Number:
Japanese Patent JP2007537466
Kind Code:
A
Abstract:
A collapsible projection screen system mountable on or at a moveable carriage (10), the system comprising a flexible projection screen (16) moveable between a collapsed position and an erect position in which the screen (16) is supported by a support arrangement (14, 15), and a screen tensioning mechanism (64, 40, 56) operable on the screen (16) in the erect position to provide a generally flat screen surface. In another embodiment there is disclosed a mounting assembly for a flexible projection screen in a collapsible projection screen system having a roller, a mechanism for applying tension across and between a leading edge and a trailing edge of the screen in the erect position, the mechanism comprising a braking device and a drive apparatus.
Inventors:
Silas Creel
Application Number:
JP2007511762A
Publication Date:
December 20, 2007
Filing Date:
May 12, 2004
Export Citation:
Assignee:
Silas Creel
International Classes:
G03B21/58
Domestic Patent References:
| JP2002229126A | 2002-08-14 | |||
| JPH09160129A | 1997-06-20 | |||
| JPH0674507U | 1994-10-21 | |||
| JPH1011005A | 1998-01-16 | |||
| JP2004053804A | 2004-02-19 | |||
| JPS61101737U | 1986-06-28 | |||
| JPS58154833A | 1983-09-14 | |||
| JPH07264526A | 1995-10-13 | |||
| JPH0391558A | 1991-04-17 | |||
| JPH06289490A | 1994-10-18 | |||
| JPS6059247U | 1985-04-24 |
Foreign References:
| AU8730701A | 2002-05-09 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro