Title:
PROJECTOR BALLOON AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2020/225921
Kind Code:
A1
Abstract:
[Problem] To improve yield during manufacturing and performance during use of a projector balloon used in a projector. [Solution] In this projector balloon (3) of the present invention, the projector balloon (3) is used in a projector (2) that has an air blower unit and a lighting unit (25), in which the interior is illuminated by the lighting unit (25) and is expanded by the air blower unit, and comprises a main part (31), and fixed parts (32, 33) provided at least at one of above or below the main part (31). The main part (31) is a flexible cloth material formed in a cylindrical shape, with the fixed parts (32, 33) for fixing to the lighting unit (25) provided at the top or the bottom of the main part (31). The maximum diameter of the cylindrical shape of the main part (31) is formed to be greater than the diameter at which the fixed parts (32, 33) are formed, and the fixed parts (32, 33) are fixed in a state with the cloth material of the main part (31) overlapping.
Inventors:
YOSHIMORI NORIHITO (JP)
HIROSAWA YUUKI (JP)
HIROSAWA YUUKI (JP)
Application Number:
PCT/JP2019/018628
Publication Date:
November 12, 2020
Filing Date:
May 09, 2019
Export Citation:
Assignee:
LIGHTBOY CO LTD (JP)
International Classes:
F21S2/00; F21L13/00; F21L14/04; F21V3/02
Foreign References:
| JP2018092876A | 2018-06-14 | |||
| JP2004296196A | 2004-10-21 | |||
| US20070123140A1 | 2007-05-31 | |||
| JP2015079597A | 2015-04-23 | |||
| JP2005150123A | 2005-06-09 | |||
| JP2015089974A | 2015-05-11 |
Attorney, Agent or Firm:
MINAMI Yoshiaki (JP)
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