Patent ID: 7237339

Claim:
A shaving apparatus comprising: a first shaving unit including a first outer cutter and a first undercutter cooperating together wherein said outer cutter is mounted in a frame; a skin agitation member disposed adjacent the first shaving unit such that skin-engaging surfaces of the first shaving unit and the skin agitation member are arranged to simultaneously contact skin during shaving; a housing; a drive source mounted in said housing and coupled with said first undercutter to oscillate said first undercutter with respect to said frame at a first frequency, and being coupled to said skin agitation member to oscillate the skin-engaging surface of said skin agitation member at a second frequency lower than said first frequency, to agitate the skin under the first shaving unit; and an additional shaving unit located adjacent the skin agitation member on the opposite side from the first shaving unit and having a second outer cutter and a second undercutter, wherein said second outer cutter is mounted in said frame and said second undercutter is coupled to the drive source for oscillating said second undercutter with respect to said frame; wherein each of the first and second outer cutters is inactive.