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.

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 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.

A dreadlock grooming device including handle, a cylindrical housing attached to the handle, a power source, and a power control. The cylindrical housing includes a first-semi-arcuate-section and a second-semi-arcuate-section together forming a clamp of the cylindrical housing. The cylindrical housing includes a plurality of serrated blades positioned along an interior surface of the cylindrical housing provided to remove stray hairs from a section of hair within the clamp formed by the first-semi-arcuate-section and the second-semi-arcuate-section during use.

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.

To solve discomfort and safety issues caused by sharp glide sides, a shaving assembly and a hair cutting appliance including the shaving assembly with a protection element is provided. The shaving assembly comprising a supporting member; a cutting element extending in the first direction; a guard foil stretched and extending in the first direction and surrounding the cutting element, the guard foil including a bent part and a flat contact surface, wherein the bent part extends in the first direction for fixing the guard foil on the supporting member, and the flat contact surface is adapted to be in contact with skin; and a protection element arranged at at least one end of the guard foil and including a curved surface exposed to the skin.

There is disclosed a cutting unit (14, 60, 80, 100) for a hair cutting device (10), comprising: a blade carrier (16) carrying a cutting blade; a guard (18) comprising: a blade-facing surface engaging the cutting blade at a cut location; a planar guard contact surface (30) for contacting skin of a user, wherein the guard contact surface (30) is angled with respect to the blade-facing surface; and a guard extender (40, 70, 90) separate from the guard (18), wherein the guard extender (40, 70, 90) comprises a planar extension contact surface (46, 76, 96) configured to cooperate with the guard contact surface (30) to provide an extended contact zone (50) across the guard (18) and the guard extender (40, 70, 90) for contacting skin of a user. The blade-facing surface and the guard contact surface (30) converge towards a tip of the guard, wherein a cutting direction extends along the guard contact surface (30) towards the tip. The guard extender (40, 70, 90) is configured so that the extension contact surface (46, 76, 96) is rearward of the guard contact surface (30) with respect to the cutting direction X. The extension contact surface (96) has a transverse extent along an axis perpendicular to the cutting direction, and wherein there is a gap along the cutting direction X between the guard contact surface and at least a transverse portion of the extension contact surface. The extended contact zone may provide for improved stability and reliable orientation of the cutting unit for cutting while limiting material use.

A blade assembly for a hair cutting apparatus is provided having a first blade having teeth extending along a first blade edge, a second blade positioned proximate the first blade and having teeth extending along a second blade edge parallel to the first blade edge and offset from the first blade edge by a blade gap, a yoke adapted to convert motion of a drive mechanism into reciprocation of the second blade with respect to the first blade, a spring having a spring base and at least one spring arm coupled to one of the yoke and second blade, the spring arm reciprocating with the second blade with respect to the first blade, wherein the spring arm applies a biasing force on the second blade toward the first blade to maintain the first and second blades in an operational condition when separated from the hair cutting apparatus.

The present disclosure relates to a hair cutting appliance (10), a blade set (20), and to a stationary blade (22) for said blade set (20). Said stationary blade (22) may comprise a first wall portion (100) arranged to serve as a skin facing wall when in operation, a second wall portion (102) at least partially offset from the first wall portion (100), such that the first wall portion (100) and the second wall portion (102) define therebetween a guide slot (96) arranged to receive a movable cutter blade (24), an intermediate wall portion (44) arranged between the first wall portion (100) and the second wall portion (102), at least one toothed leading edge (30) jointly formed by the first wall portion (100) and the second wall portion (102), wherein the at least one toothed leading edge (30) comprises a plurality of teeth (36), wherein the first wall portion (100) and the second wall portion (102) are connected at a frontal end of the at least one leading edge (30), thereby forming tips (86) of the teeth (36), wherein the stationary blade (22) is an integrally formed metal-plastic composite stationary blade (22), wherein the first wall portion (100) is at least partially made from metal material, wherein the second wall portion (102) is at least partially made from plastic material, wherein the intermediate wall portion (44) defines a central offset (lco) between the first wall portion (100) and the second wall portion (102), and wherein the intermediate wall portion (44) is adapted to a respective opening (46) of a to-be-mounted movable cutter blade (24). The disclosure further relates to a method for manufacturing a respective blade (22).