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    • 2. 发明申请
    • SANDER HAVING TWO-PIECE FAN
    • 有两扇风扇的SANDER
    • WO2015077988A1
    • 2015-06-04
    • PCT/CN2013/088171
    • 2013-11-29
    • BLACK & DECKER INC.KUEHNE, BrentKELICAN, Earl, Jr.WANG, XinleiCHEN, FengZHENG, Peizhong
    • KUEHNE, BrentKELICAN, Earl, Jr.WANG, XinleiCHEN, FengZHENG, Peizhong
    • B24B23/00F04D29/30
    • B25F5/008B24B23/00B24B23/04B24B41/007B24B55/10B24B55/105
    • A sander (10) may include a housing (12), a motor (30), a sanding platen (18), and a two-piece fan (34). The motor (30) may be disposed within the housing (12) and may include an output shaft (32). The sanding platen (18) may be driven by the motor (30) for movement relative to the housing (12). The fan (34) may be driven by the motor (30) and may include a first piece (50) formed from a first material and a second piece (52) formed from a second material. The first piece (50) may include a disk-shaped body (54) having first and second opposite sides (56,58). The first side (56) may include a plurality of first blades (60) extending therefrom. The second side (58) may include a plurality of second blades (66) extending therefrom and a recess (68) formed therein. The second piece (52) may be received in the recess (68) and may include a counterweight boss (96,98) formed thereon.
    • 砂光机(10)可以包括壳体(12),马达(30),砂磨台(18)和两件式风扇(34)。 电动机(30)可以设置在壳体(12)内并且可以包括输出轴(32)。 打磨台板(18)可以由马达(30)驱动以相对于壳体(12)移动。 风扇(34)可以由电机(30)驱动,并且可以包括由第一材料形成的第一件(50)和由第二材料形成的第二件(52)。 第一件(50)可以包括具有第一和第二相对侧(56,58)的盘形主体(54)。 第一侧(56)可以包括从其延伸的多个第一叶片(60)。 第二侧(58)可以包括从其延伸的多个第二叶片(66)和形成在其中的凹部(68)。 第二件(52)可以容纳在凹部(68)中,并且可以包括形成在其上的配重凸台(96,98)。