Patent ID: 6098289
Filing Date: 2000-08-08
Classification: B26B

Abstract:
Dry shaving apparatus comprising:shaver housing having a head frame which carries three elongated cutter heads each having a longitudinal axis, said three elongated cutter heads composed of a center cutter head and two outer cutter heads arranged on opposite sides of said center cutter head with the individual longitudinal axes substantially parallel to each other, each of said two outer cutter heads comprising an outer foil and an outer movable cutter driven to reciprocate along said longitudinal axis of each of said two outer cuter heads in hair shearing engagement with said outer foil of each of said two outer cutter heads, said center head comprising a stationary cutter and a center movable cutter driven to reciprocate along said longitudinal axis of said center cutter head in hair shearing engagement with said stationary cutter of said center cutter head;reciprocating means for imparting a reciprocating motion to said three elongated cutter heads;wherein said stationary cutter of said center cutter head is of a generally U-shaped configuration with a top wall and a pair of side walls depending from opposed lateral sides of said top wall;said top wall being formed with a plurality of slits which are spaced along the longitudinal axis of said center cutter head and are opened into said opposed side walls, said center movable cutter being disposed in shearing engagement with a lower surface of said top wall between said side walls of said stationary cutter and being provided at a longitudinal center of said center movable cutter with a coupler which projects between said side walls for coupling with said reciprocating means;said stationary cutter being secured at its longitudinal ends respectively to holders each comprising at least a partially L-shaped region disposed between said opposed side walls, said holders formed respectively with connections for connection with said head frame;at least one spring being held between said holders and center movable cutter for biasing said center movable cutter against said stationary cutter; andsaid opposed side walls being formed at least partially with an aperture through which said at least one spring is at least partially exposed.