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.
Patent No.:
Date of Patent:
Jan. 24, 2023
Filed:
Jan. 24, 2019
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Akihiro Kawakami, Tokyo, JP;
Shinji Tezuka, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 17/00 (2006.01); B64C 27/20 (2006.01); B64C 39/02 (2006.01); B64D 47/08 (2006.01);
U.S. Cl.
CPC ...
B64C 17/00 (2013.01); B64C 27/20 (2013.01); B64C 39/024 (2013.01); B64D 47/08 (2013.01); B64C 2201/027 (2013.01); B64C 2201/108 (2013.01); B64C 2201/127 (2013.01); B64C 2201/141 (2013.01);
Abstract
An aircraft () includes a body () and an outer frame () rotatably coupled to the body (). The body () includes a plurality of rotary blades (-) and a driver (-) configured to rotate the plurality of rotary blades (-). The outer frame () includes a rotary frame (-) rotatable about a rotation axis intersecting the direction of gravity, and a center of gravity of the plurality of rotary blades (-) and the driver (-) is located lower than the rotation axis in the direction of gravity.