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1. 发明授权

US10410811B2 Power tool 有权
公开(公告)号：US10410811B2
公开(公告)日：2019-09-10
申请号：US15264870
申请日：2016-09-14
申请人： MAKITA CORPORATION
发明人： Takamasa Hanai , Hikaru Sunabe , Satoshi Ninagawa , Shin Nakamura , Masatoshi Nakahama , Kazusa Fukuda , Kenichi Miyata
IPC分类号： H01H25/00 , B24B23/02 , B25F5/02 , H01H9/06 , H01H9/20 , H01H21/00 , B25F5/00 , H01H1/50
摘要： A power tool (1) includes an electric motor (2) as a drive source and a start switch (20; 61) that starts the electric motor (2) and is lockable in an ON position in a lock-ON state. An electromagnetic actuator (30; 40; 50; 60) pushes out or pulls in an actuation pin (30a; 40a; 50a; 60a) with respect to a body of the electromagnetic actuator (30; 40; 50; 60) in response to cutting off of a supply of electrical current to the power tool (1). The pushed-out or pulled-in actuation pin, directly or indirectly, disengages the start switch (20; 61) from the lock-ON state and/or prevents the start switch (20; 61) from being shifted into the lock-ON state.

2. 发明授权

US11472013B2 Driving tool 有权
公开(公告)号：US11472013B2
公开(公告)日：2022-10-18
申请号：US16757319
申请日：2018-10-03
申请人： MAKITA CORPORATION
发明人： Yoshitaka Akiba , Kazusa Fukuda
IPC分类号： B25C1/06 , B25C1/00
摘要： A driving tool includes a tool body, a flywheel, a driver and a pressing mechanism. The pressing mechanism is disposed on a side opposite to the flywheel across the driver in a facing direction in which the flywheel and the driver face each other. The pressing mechanism includes a spring mechanism and a pressing roller. The spring mechanism includes a first spring part and a second spring part and is configured to be displaced along with forward movement of the driver. The pressing roller is configured to press the driver toward the flywheel in the facing direction by a biasing force of the spring mechanism in a process of the forward movement of the driver, to thereby enable transmission of the rotational energy to the driver. A spring constant of the whole spring mechanism varies according to an amount of displacement of the whole spring mechanism.

3. 发明授权

US11325233B2 Driving tool 有权
公开(公告)号：US11325233B2
公开(公告)日：2022-05-10
申请号：US16759535
申请日：2018-10-23
申请人： MAKITA CORPORATION
发明人： Yoshitaka Akiba , Kazusa Fukuda
IPC分类号： B25C1/06 , B25C1/00
摘要： A nailing machine includes a tool body, a flywheel (40), a driver (3), a pressing mechanism and a return mechanism. The pressing mechanism includes a spring mechanism and a pressing roller (87). The pressing roller (87) is supported to be rotatable around a rotation axis (A2) and movable in a left-right direction, and configured to press the driver (3) toward the flywheel (40) by a biasing force of the spring mechanism in a nail-driving process in which the driver (3) moves from an initial position to a nail-driving position, to thereby enable transmission of the rotational energy to the driver (3). The pressing mechanism is configured such that the position of the pressing roller (87) relative to the driver (3) changes in the left-right direction between the nail-driving process and a return process, thereby making it impossible for the pressing roller (87) to press the driver (3) in the return process.

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