A hair cutter with an improved blade assembly is described. The blade assembly includes a first blade, a second blade, a yoke coupled to the second blade, a blade guide between the first and second blade, a retainer, and a biasing mechanism. The biasing mechanism includes a base and at least one arm configured to interface with and move with the second blade. The retainer is positioned behind the second blade and engages the biasing mechanism. The retainer is further configure to receive a housing connector, allowing for coupling to a handle of the hair cutter.

A hair cutter with an improved blade assembly is described. The blade assembly includes a first blade, a second blade, a yoke coupled to the second blade, a blade guide between the first and second blade, a retainer, and a biasing mechanism. The biasing mechanism includes a base and at least one arm configured to interface with and move with the second blade. The retainer is positioned behind the second blade and engages the biasing mechanism. The retainer is further configure to receive a housing connector, allowing for coupling to a handle of the hair cutter.

A cutting apparatus for trimming an article, the apparatus has a manually grasped power element with a reciprocating arm having a removably engagable rotatable couple including a selectable rotational index position lock. Also included is a cutting head assembly that is removable and rotationally indexable relative to the power element, the cutting head having a pair of cutting blades for trimming the article. Wherein operationally, the reciprocating arm drives the cutting blades that have scissor movement with the cutting head selectably rotatable to the power element, user wrist fatigue is reduced, also with the cutting head being removable from the power element, the cutting head assembly is easier to clean.

A cutting apparatus for trimming an article, the apparatus has a manually grasped power element with a reciprocating arm having a removably engagable rotatable couple including a selectable rotational index position lock. Also included is a cutting head assembly that is removable and rotationally indexable relative to the power element, the cutting head having a pair of cutting blades for trimming the article. Wherein operationally, the reciprocating arm drives the cutting blades that have scissor movement with the cutting head selectably rotatable to the power element, user wrist fatigue is reduced, also with the cutting head being removable from the power element, the cutting head assembly is easier to clean.

The present invention relates to a hair cutting appliance (10), a blade set (20) for a hair cutting appliance (10), and to a stationary blade (22) for said blade set (20), said blade comprising a first wall portion (44) and a second wall portion (46), each which defining a first surface (80, 82, 84), and a second surface (86, 88, 90) facing away from the first surface (80, 82, 84), and an intermediate wall portion (48) arranged between the first and the second wall portion (46), wherein the first wall portion (44) the second wall portion (46) and the intermediate wall portion (48) jointly define at least one toothed leading edge (32, 34), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) face each other, at least at their leading edges (32, 34), the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48) are interconnected at their tips (38) to define a plurality of teeth (40), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) define therebetween a guide slot (76) for a movable blade (24) of said blade set (20), wherein the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48) comprise an overall height extension (to), and wherein the overall height extension (to) of the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48), at least at the at least one leading edge (32, 34), is in the range of about 0.3 mm to about 0.75 mm, preferably in the range of about 0.4 mm to 0.5 mm.

The present invention relates to a hair cutting appliance (10), a blade set (20) for a hair cutting appliance (10), and to a stationary blade (22) for said blade set (20), said blade comprising a first wall portion (44) and a second wall portion (46), each which defining a first surface (80, 82, 84), and a second surface (86, 88, 90) facing away from the first surface (80, 82, 84), and an intermediate wall portion (48) arranged between the first and the second wall portion (46), wherein the first wall portion (44) the second wall portion (46) and the intermediate wall portion (48) jointly define at least one toothed leading edge (32, 34), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) face each other, at least at their leading edges (32, 34), the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48) are interconnected at their tips (38) to define a plurality of teeth (40), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) define therebetween a guide slot (76) for a movable blade (24) of said blade set (20), wherein the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48) comprise an overall height extension (to), and wherein the overall height extension (to) of the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48), at least at the at least one leading edge (32, 34), is in the range of about 0.3 mm to about 0.75 mm, preferably in the range of about 0.4 mm to 0.5 mm.

The present invention relates to a hair cutting appliance (10) and a blade set (20) for a hair cutting appliance (10), said blade set (20) being arranged to be moved through hair in a moving direction (28) to cut hair, said blade set (20) comprising a stationary blade (22), comprising a first wall portion (44), and a second wall portion (46), each wall portion defining a first surface (80, 82, 84), a second surface (86, 88, 90), and at least one toothed leading edge (32, 34) comprising a plurality of mutually spaced apart projections (36), wherein the toothed leading edge (32, 34) at least partially extends in a transverse direction (Y, t) relative to the moving direction (28), wherein the mutually spaced apart projections (36) at least partially extend forwardly in a longitudinal direction (X, r) approximately perpendicular to the transverse direction (Y, t), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) face each other, at least at their leading edges (32, 34), wherein, in a filled region (58), facing projections (36) along the leading edges (32, 34) of the first and second wall portions (46) are mutually connected at their tips (38) to define a plurality of teeth (40), a movable blade (24) comprising at least one toothed leading edge (106, 106), said movable blade (24) being movably arranged within a guide slot (76) defined by the stationary blade (22), wherein the guide slot (76), at least partially extends into the forwardly extending projections (36) to an inwardly facing end face (114) of the filled region (58), and wherein the toothed leading edge (106, 108) of the movable blade (24) is spaced apart from the end face (114) of the filled region (58), thereby defining a clearance portion (118), and wherein the movable blade (24) leading edge (106, 108) and the end face (114) are longitudinally spaced apart by a clearance longitudinal dimension (l.sub.cl) of less than 0.5 mm, preferably less than 0.2 mm, more preferably less than 0.1 mm.

The present invention relates to a hair cutting appliance (10) and a blade set (20) for a hair cutting appliance (10), said blade set (20) being arranged to be moved through hair in a moving direction (28) to cut hair, said blade set (20) comprising a stationary blade (22), comprising a first wall portion (44), and a second wall portion (46), each wall portion defining a first surface (80, 82, 84), a second surface (86, 88, 90), and at least one toothed leading edge (32, 34) comprising a plurality of mutually spaced apart projections (36), wherein the toothed leading edge (32, 34) at least partially extends in a transverse direction (Y, t) relative to the moving direction (28), wherein the mutually spaced apart projections (36) at least partially extend forwardly in a longitudinal direction (X, r) approximately perpendicular to the transverse direction (Y, t), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) face each other, at least at their leading edges (32, 34), wherein, in a filled region (58), facing projections (36) along the leading edges (32, 34) of the first and second wall portions (46) are mutually connected at their tips (38) to define a plurality of teeth (40), a movable blade (24) comprising at least one toothed leading edge (106, 106), said movable blade (24) being movably arranged within a guide slot (76) defined by the stationary blade (22), wherein the guide slot (76), at least partially extends into the forwardly extending projections (36) to an inwardly facing end face (114) of the filled region (58), and wherein the toothed leading edge (106, 108) of the movable blade (24) is spaced apart from the end face (114) of the filled region (58), thereby defining a clearance portion (118), and wherein the movable blade (24) leading edge (106, 108) and the end face (114) are longitudinally spaced apart by a clearance longitudinal dimension (l.sub.cl) of less than 0.5 mm, preferably less than 0.2 mm, more preferably less than 0.1 mm.

The present invention provides for a hair trimming apparatus having a pivotally attached blade cartridge with a blade that is insert-molded to a jacket and has a rear surface that is etched.

The present disclosure relates to a cutting appliance (10), a blade set (20), and to a cutter (24) and a stationary blade (22) for said blade set (20). Said cutter (24) comprising a main portion (78), particularly a substantially flat main portion obtained from sheet metal material, at least one toothed leading edge (80) protruding from the main portion (78), the at least one toothed leading edge (80) comprising a plurality of teeth (82), and at least one scraping portion (300) comprising a tapered scraper profile (302, 304, 306) at least partially extending in a longitudinal direction (X) that is perpendicular to a cutting motion direction (126) of the cutter (24), wherein the at least one scraping portion (300) is, in a mounted state, arranged to contact a stationary blade (22) of the blade set (20) at a first wall (100) thereof to scrape off accumulated dirt and debris when the cutter (24) and the stationary blade (22) are moved with respect to each other when in operation. The disclosure further relates to corresponding manufacturing methods.