US Patent 10434670 Shaving apparatus

A shaving apparatus is provided for shaving hair on a skin surface. The shaving apparatus includes a shaver head having at least one first blade configured to shave hair on a skin surface during displacement of the shaving head in a first direction along the skin surface, and at least one second blade configured to shave hair on the skin surface during displacement of the shaver head in a second direction along the skin surface; and a drive configured to reciprocally slide the first and second blades in an alternating motion between the first direction and the second direction thereby allowing a bi-directionally shaving hair on the skin surface.