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. 24, 2024
Filed:
Apr. 19, 2023
Makita Corporation, Anjo, JP;
Yasuhito Kawai, Anjo, JP;
Tomoyuki Kondo, Anjo, JP;
MAKITA CORPORATION, Anjo, JP;
Abstract
A tool-holding apparatus () includes an engaging member () for engaging a tool accessory (B) and being movably supported in axial and radial directions in a rotational-output shaft () having an insertion hole () for holding the tool accessory (B). A first biasing member () biases the engaging member towards engagement with the engaging member. A bit sleeve () is movable in the axial direction along an outer-circumferential surface of the rotational-output shaft between a blocking position at which radial outward movement of the engaging member is blocked and a permitting position at which radial outward movement of the engaging member is permitted. A second biasing member () biases the bit sleeve toward the blocking position. A positioning part () is fixed on the outer-circumferential surface of the rotational-output shaft and stops the bit sleeve at the blocking position. The bit sleeve has a projection (), which is disposed on the forward side of the first biasing member, extends inward in the radial direction, and slidably contacts the rotational-output shaft.