Patent ID: 8276279
Filing Date: 2012-10-02
Classification: B26B

Abstract:
1. A hair clipper comprising: a housing, a stationary blade secured to the housing, the stationary blade having a row of cutting teeth, a moving blade having a row of complementary cutting teeth arranged so that hair that enters spaces between adjacent stationary cutting teeth is cut by reciprocating movement of the complementary teeth, and a vibrator motor secured to the housing and operably connected to the moving blade to cause the reciprocating movement, the vibrator motor comprising: a mechanical spring system secured to the housing, a stationary magnetically permeable piece secured to the housing, the stationary piece having a primary leg and a secondary leg, the primary leg having a first cross-sectional area in a mid-section and a primary pole face, the primary pole face having a second cross sectional area larger than the first cross sectional area, wherein the primary pole face is on a separate flange secured to the mid-section of the primary leg of the stationary piece, the secondary leg having a secondary pole face, a complementary moving magnetically permeable piece secured on a proximate side of the mechanical spring system and having a general direction of movement towards and away from the stationary piece, the moving piece having a primary moving pole face and a secondary moving pole face, a drive arm secured to the moving piece and operably secured to the moving blade, and a coil on the primary leg of the stationary piece, the coil having an open space having a third cross-sectional area larger than the first cross-sectional area and smaller than the second cross sectional area.