Shaving head for dry-shaving apparatus

Claim 1

In a shaving head for a dry shaving apparatus, the shaving head including a shaving section having a shaving shear plate and an adjacent and cooperating shaving cutter reciprocably movable along their common longitudinal axis, a trimmer having a trimmer shear plate and an adjacent and cooperating trimmer cutter reciprocally movable along their common longitudinal axis which is parallel to said shaver section axis, drive means coupled to both of said cutters to produce common reciprocal motion, the improvement in combination therewith, wherein said trimmer shear plate and trimmer cutter are channel-shaped in cross-section transverse of said longitudinal axes and are generally concentric, each channel defining a bottom part, side walls extending outward of the bottom part, and top edges of said walls with cutting combs defined on corresponding and adjacent top edges of the trimmer''s shear plate and cutter, and said shaver section is situated within said channel shape of said trimmer, with the shaver and trimmer cutters being spaced apart, the shaver shear plate being outward of the shaver cutter and the trimmer shear plate inward of the trimmer cutter, the shaving head further comprising spring means intermediate the two cutters urging them apart and resiliently against their respective shear plates.