Patent ID: 7080458

Claim:
A blade set for a hair clipper, the hair clipper including a drive mechanism having a drive finger, the blade set comprising: a fixed lower blade including a forward edge with a series of teeth extending there along, an upper surface, and a lower surface; and a movable upper blade including a forward edge with a series of teeth extending there along, a rearward edge, an upper surface including a pair of upper reinforcing protrusions extending upwardly from the upper surface, a generally planar lower surface extending rearward of the forward edge, the lower surface being supported by the upper surface of the fixed blade, the lower surface defining a pair of lower reinforcing rims co-planar with the lower surface and including a pair of recessed portions, each recessed portion extending outwardly from a respective one of the lower reinforcing rims and being recessed from the lower surface, a drive notch sized to receive the drive finger for movement of the movable blade in relation to the fixed blade during operation of the hair clipper, the drive notch including two substantially parallel walls extending between the upper and lower surfaces of the movable blade, each upper reinforcing protrusion being disposed adjacent a respective one of the substantially parallel walls and each lower reinforcing rim forming a portion of a respective one of the substantially parallel walls, and a pair of lead-in walls extending between the upper and lower surface of the movable blade, each lead-in wall extending outwardly and rearwardly from a respective one of the substantially parallel walls to the rearward edge, each upper reinforcing protrusion extending upwardly and outwardly from a respective one of the lead-in walls and the respective one of the substantially parallel walls from which the respective one of the lead-in walls extends outwardly and rearwardly.