公开(公告)号：EP3074177A4

公开(公告)日：2017-09-06

申请号：EP13898320

申请日：2013-11-29

申请人： BLACK & DECKER INC

发明人： KUEHNE BRENT ,  KELICAN EARL JR ,  WANG XINLEI ,  CHEN FENG ,  ZHENG PEIZHONG

IPC分类号： B24B23/00 ,  B24B41/00 ,  F04D29/30

CPC分类号： B25F5/008 ,  B24B23/00 ,  B24B23/04 ,  B24B41/007 ,  B24B55/10 ,  B24B55/105

摘要： A sander may include a housing, a motor, a sanding platen, and a two-piece fan. The motor may be disposed within the housing and may include an output shaft. The sanding platen may be driven by the motor for movement relative to the housing. The fan may be driven by the motor and may include a first piece formed from a first material and a second piece formed from a second material. The first piece may include a disk-shaped body having first and second opposite sides. The first side may include a plurality of first blades extending therefrom. The second side may include a plurality of second blades extending therefrom and a recess formed therein. The second piece may be received in the recess and may include a counterweight boss formed thereon.

摘要翻译： 砂光机可能包括一个外壳，一个电机，一个磨砂台和一个两件式风扇。 马达可以设置在壳体内并且可以包括输出轴。 磨砂台可以由马达驱动以相对于壳体移动。 风扇可以由马达驱动并且可以包括由第一材料形成的第一部件和由第二材料形成的第二部件。 第一件可以包括具有第一和第二相对侧的盘形主体。 第一侧可以包括从其延伸的多个第一叶片。 第二侧可以包括从其延伸的多个第二叶片和形成在其中的凹部。 第二部件可以容纳在凹部中并且可以包括形成在其上的配重凸台。