| 摘要 |
A power tool (10) comprising: a handle housing (12) that defines a handle; a motor (14) received in said handle housing; a transmission (16) received in said handle housing, said transmission including a one-way clutch (18), said one-way clutch includes an anvil; an output spindle (20); said anvil having a top portion and a bottom portion that extends from said top portion, said anvil defining an aperture into which said anvil receives an end of said output spindle, said bottom portion having a polygonal shape, wherein said aperture in said a gear associated with said transmission has a complementary polygonal shape and receives said bottom portion of said anvil in said aperture defined by said gear, said anvil including a groove formed in a face of said top portion from which said bottom portion extends, said groove generally encircling said bottom portion; and a circular seal member that is received by said groove and disposed between said anvil and said gear. |
