The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 02, 2013

Filed:

Sep. 23, 2011
Applicants:

Yusuke Yamamoto, Osaka, JP;

Toshihiro Saruwatari, Kishiwada, JP;

Chao Wang, Shenzhen, CN;

Inventors:

Yusuke Yamamoto, Osaka, JP;

Toshihiro Saruwatari, Kishiwada, JP;

Chao Wang, Shenzhen, CN;

Assignees:

SANYO Electric Co., Ltd., Moriguchi-shi, Osaka, JP;

SANYO Technology Center (Shenzhen) Co., Ltd., Shenzhen, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); F16M 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projector to which a ceiling suspension attachment is fixed. The projector accommodates an internal device. The projector is provided with an outer case including a bottom wall that defines an outer bottom surface and an inner bottom surface of the outer case. Insert nuts are arranged on the bottom wall. Each insert nut includes a threaded hole to which a first coupling screw is fastened and a second coupling screw can be fastened. The first coupling screw couples the attachment to the outer bottom surface of the bottom wall, and the second coupling screw is fastened to the threaded hole from a side opposite to the first coupling screw. The second coupling screw is fastened at least one of the insert nuts to couple the inner device to the inner bottom surface of the bottom wall.


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