Patent ID: 8191264

Claim:
A shaving apparatus comprising: a housing; a drive member; and at least one cutting unit including: an external cutting member provided with hair trap openings bounded by cutting edges; an internal cutting member including a backing plate, a coupling member positioned at a center of the external and internal cutting members for coupling to the drive member, and a mass component having cutting elements provided with cutting edges for cooperating with the cutting edges of the external cutting member for cutting hairs, the drive member driving the internal cutting member with respect to the external cutting member; resilient means for exerting a force on the internal cutting member in the direction of the external cutting member; and an energy-dissipating system including a plurality of elements positioned outside the coupling member between the backing plate and the mass component of the internal cutting member or the external cutting member, the energy-dissipating system is arranged to dampen movement between any portion of the internal cutting member and the external cutting member after severing of a hair to restore a gap between the internal cutting member and the external cutting member.