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:
Dec. 23, 2025
Filed:
May. 15, 2025
Nhk Spring Co., Ltd., Yokohama, JP;
Masashi Nakagome, Yokohama, JP;
Hiroyuki Taneda, Yokohama, JP;
NHK SPRING CO., LTD., Yokohama, JP;
Abstract
A hoist hook includes a main plate, a first slide plate, a second slide plate, a first base, a second base, a pair of hooks, a flywheel, and rack. The first slide plate and the second slide plate are fixed to each other and are configured to be suspended from a radio-controlled unmanned aircraft and to slide vertically relative to the main plate while sandwiching the main plate. The first base and the second base are fixed to each other and are configured to slide vertically relative to the main plate while sandwiching the main plate. The pair of hooks are each rotatably linked to the first base and the second base. The flywheel is rotatably fixed to the main plate. The rack engages with the flywheel and is fixed to the first slide plate.