公开(公告)号：US10328541B2

公开(公告)日：2019-06-25

申请号：US15030992

申请日：2014-04-08

Applicant: TECHTRONIC POWER TOOLS TECHNOLOGY LIMITED

Inventor： Tsz Kin Wong ,  Kwok Ting Mok

IPC: B23Q11/00 ,  B25F5/00 ,  B25F5/02

Abstract: An accessory (100, 200, 600, 700) for an electric drill (112, 612) is disclosed as including a dust box (118, 218, 618, 702) for receiving abraded materials produced by an electric drill on a workpiece, the dust box including an internal cavity, a first longitudinal end (116, 216, 616) with a first opening (130a, 632a) communicating with the internal cavity, an opposite second longitudinal end with a second opening (120a, 618a) communicating with the internal cavity, and a brush (128) or a disc (628), and when a drill bit (114, 614) of the electric drill is received into the internal cavity of the dust box through the second opening, the brush or disc is releasably engageable with the drill bit for simultaneous rotational movement about a longitudinal axis of the drill bit.

公开(公告)号：US11325217B2

公开(公告)日：2022-05-10

申请号：US16269290

申请日：2019-02-06

Applicant: TECHTRONIC POWER TOOLS TECHNOLOGY LIMITED

Inventor： Tsz Kin Wong ,  Kwok Ting Mok

IPC: B23Q11/00 ,  B25F5/00 ,  B25F5/02

Abstract: An accessory for an electric drill is disclosed as including a dust box for receiving abraded materials produced by an electric drill on a workpiece, the dust box including an internal cavity, a first longitudinal end with a first opening communicating with the internal cavity, an opposite second longitudinal end with a second opening communicating with the internal cavity, and a brush or a disc. When a drill bit of the electric drill is received into the internal cavity of the dust box through the second opening, the brush or disc is releasably engageable with the drill bit for simultaneous rotational movement about a longitudinal axis of the drill bit.