公开(公告)号：US20150258673A1

公开(公告)日：2015-09-17

申请号：US14722262

申请日：2015-05-27

申请人： BLACK & DECKER INC.

发明人： Brent A. KUEHNE ,  Earl KELICAN ,  Xin Lei WANG ,  Feng CHEN ,  Pei Zhong ZHEN

IPC分类号： B25F5/00 ,  B24B23/00

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.