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:
May. 20, 2025
Filed:
May. 25, 2022
Makita Corporation, Anjo, JP;
Hidenori Nagasaka, Anjo, JP;
MAKITA CORPORATION, Anjo, JP;
Abstract
A driver-drill () includes a motor (), a spindle (), which is rotationally driven using rotational energy output by the motor (), and a chuck (), which rotates integrally with the spindle (). The chuck () includes: a chuck body (); a chuck sleeve (), which is externally mounted on the chuck body (); and two or more chuck jaws (), which are provided in the chuck body () and which expand and contract relative to the rotational axis of the spindle () in response to manual rotation of the chuck sleeve (). The spindle () may be integrally formed (in one piece) with the chuck body (). In addition or in the alternative, the chuck body () may be rotatably supported by a bearing () disposed in a tube-shaped housing ().