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公开(公告)号：US20210016762A1
公开(公告)日：2021-01-21
申请号：US17043296
申请日：2018-12-06
发明人： Koji USUI
摘要： In an electric parking brake device configured in such a way that a parking brake state resulting from pulling of a brake cable is released by loosening the brake cable, the brake cable is formed by twisting together a plurality of wires in such a way as to generate a twisting force in a fixed direction when pulled, and the direction in which the twisting force generated by the brake cable in a pulled state acts on a screw shaft is set to be the same direction as the direction in which a nut is rotated to loosen the brake cable. This makes it possible to reduce an operating sound and to reduce wear of members constituting a rotation restricting device.
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公开(公告)号：US20210016756A1
公开(公告)日：2021-01-21
申请号：US17043239
申请日：2018-12-06
发明人： Koji USUI
摘要： In an electric parking brake device in which a parking brake state is released by loosening a brake cable: a nut is screwed onto a screw shaft in such a way as to be capable of moving in an axial direction; a movement restricting portion which is caused to abut the screw shaft or a linked member that moves in the axial direction together with the screw shaft, thereby restricting an axial direction movement end of the screw shaft to the side loosening the brake cable, is disposed in a fixed position inside an actuator case; and a resilient member which is compressed in response to axial direction movement of the nut after movement restriction has been effected by the movement restricting portion when the screw shaft moves in the axial direction toward the side loosening the brake cable is interposed between the nut and an insertion member.
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公开(公告)号：US20150260245A1
公开(公告)日：2015-09-17
申请号：US14642828
申请日：2015-03-10
发明人： Koji USUI , Toshiaki MITANI , Hiroo KAWAKAMI , Akira HIRATSUKA
CPC分类号： F16D65/22 , F16D51/24 , F16D65/28 , F16D65/563 , F16D2051/003 , F16D2121/24 , F16D2125/40 , F16D2125/62
摘要： One embodiment provides a vehicle brake apparatus, including: an electric actuator; and a drum brake. The drum brake is attached to a wheel so as to be driven by power exhibited by the electric actuator. In a state of being mounted on a vehicle, the electric actuator is disposed and fixed further rearwards than an axle of the wheel.
摘要翻译： 一个实施例提供了一种车辆制动装置，包括：电动致动器; 和鼓式制动器。 鼓式制动器安装在车轮上，以便由电动执行机构所展示的动力驱动。 在安装在车辆上的状态下，电致动器比车轮的轴更靠后方地设置和固定。
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公开(公告)号：US20200309215A1
公开(公告)日：2020-10-01
申请号：US16754344
申请日：2018-10-18
发明人： Koji USUI
摘要： Provided is an electric parking brake device in which an actuator case of an electric actuator is mounted to a backplate of a drum brake which includes a parking brake lever, with which electric actuator it is possible to obtain a parking brake state by pulling a brake cable linked with the parking brake lever. The backplate is formed with a through-hole for passing the brake cable and has a connecting tube portion integrally protruding therefrom and enclosing the through-hole. A mounting tube includes, on one end in an axial direction, a joint portion which is formed separately from the backplate and joined to the connecting tube portion. The actuator case is mounted to the mounting tube at certain axial and circumferential positions with respect to the mounting tube. This allows increased freedom of the mounting attitude of the electric actuator with respect to the backplate without increased cost.
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