Abstract: A cap for a hair cutter and a corresponding hair cutter is provided. The cap (10) comprises a body (12) comprising a main surface (120) facing towards a subject; and a protrusion (14) protruding from the main surface (120) along a first direction (L1) perpendicular to the main surface (120). The protrusion (14) comprises a plurality of ribs (140) extending along a second direction (L2) perpendicular to the first direction (L1), the plurality of ribs (140) parallel to each other and spaced apart from each other in a third direction (L3) perpendicular to the first and second directions (L1, L2).

Abstract: A head unit of a depilation appliance comprises at least one pair (11) of hair-clamping elements (12, 13), wherein the hair-clamping elements (12, 13) have tweezer surfaces (14, 15) which are arranged to face each other, and which are movable towards and away from each other in their entirety so as to be movable into and out of contact to each other. In order to achieve improved hair-clamping performance of the at least one pair (11) of hair-clamping elements (12, 13), the tweezer surfaces (14, 15) are further configured to move into alignment with each other in the process of getting into contact to each other, wherein the entirety of the tweezer surface (14) of one (12) of the hair-clamping elements (12, 13) is tillable relative to a support (17) that is included in the respective hair-clamping element (12).

Abstract: A depilating device (1) comprises a depilating body (10) which is rotatable about a rotation axis (R) extending in a longitudinal direction (L) with respect to the depilating body (10) and which is provided with at least one hair-catching space (11). The depilating device (1) further comprises an actuating mechanism (30) configured to act on the depilating body (10) so as to cause compression and extension of the depilating body (10) in the longitudinal direction (L) during rotational movement of the depilating body (10) about the rotation axis (R), for the purpose of varying the size of the hair-catching space (11) of the depilating body (10) in the longitudinal direction (L), wherein the actuating mechanism (30) includes a force-inducing member (31) which is compressible and extensible in the longitudinal direction (L) and which has a function in determining the level of a hair-clamping force in the depilating body (10).

Abstract: An epilating device for extracting hairs out of a user's skin, including hair-clamping elements that are arranged adjacent to each other and rotatable relative to a housing. A drive system rotates the hair-clamping elements which co-operate in pairs and are moveable relative to each other during rotation. On each side surface facing an adjacent hair-clamping element, there is a hair-clamping section and a hair-catching section. The hair-catching sections of adjacent hair-clamping elements define a funnel area, wherein the hair-catching sections converge towards each other for guiding hairs towards the hair-clamping sections. The hair-clamping sections of adjacent hair-clamping elements are movable relative to each other from an open position, where the hair-clamping sections are at a distance from each other, to a closed position, where the hair-clamping sections are in mutual clamping engagement in a hair-clamping area.

Abstract: There is disclosed a coupling unit (100) for transmission of a rotary driving force, comprising a first coupling member (110) having a curved first bearing surface (116) and a second coupling member (150) having a main coupling body (154) and a curved second bearing surface engaging the first bearing surface thereby enabling rotation of the second coupling member (150) relative to the first coupling member (110). The second coupling member comprises at least two carrying elements (158) which are each provided with a respective one of at least two second bearing surface segments (160) of the second bearing surface that engage the first bearing surface. At least two connecting elements (156) of the second coupling member (150) each connect a respective one of the at least two carrying elements (158) with the main coupling body (154) and comprise an elastically deformable material.

Abstract: There is disclosed an attachment (22) for a cutting head (100) of a hair cutting device (1). The attachment (22) comprises first and second side portions (24, 26) configured to cover, respectively, first and second sides (112, 114) of a stationary cutting member (115) of the cutting head (100), and an intermediate portion (28) interconnecting the first and second side portions (24, 26) and configured to cover an outer surface (120b) of a first wall portion (120) of the stationary cutting member (115). The first and second side portions (24, 26) are configured to protrude relative to the plurality of primary cutter teeth (118) of the stationary cutting member (115), which define a cutting zone of the cutting head. The first and second side portions (24, 26) and the intermediate portion (28) define a recess exposing the primary cutter teeth (118) of the stationary cutting member (115). The recess is non-interrupted over a distance of at least 50% of the length of the cutting zone.

Abstract: A self-aligning coupling linkage for a drive train, of a hair cutting appliance having a driving shaft and a non-aligning output shaft, includes a joint section having first and second connector portions that are configured to engage one another for torque transmission. The first second connector portions define a male connector having an external polygonal profile, viewed in a cross-sectional plane perpendicular to a longitudinal axis, and a female connector having an internal engagement profile. The male and female connectors are arranged in a self-aligning fashion for angular offset compensation, where wherein at least one of the male and female connectors is provided with at least one circumferentially arranged deflectable compensation element configured to urge the male and female connectors towards a centered alignment.

Abstract: There is disclosed a coupling unit (100) for transmission of a rotary driving force, comprising a first coupling member (110) having a curved first bearing surface (116) and a second coupling member (150) having a main coupling body (154) and a curved second bearing surface engaging the first bearing surface thereby enabling rotation of the second coupling member (150) relative to the first coupling member (110). The second coupling member comprises at least two carrying elements (158) which are each provided with a respective one of at least two second bearing surface segments (160) of the second bearing surface that engage the first bearing surface. At least two connecting elements (156) of the second coupling member (150) each connect a respective one of the at least two carrying elements (158) with the main coupling body (154) and comprise an elastically deformable material.

Abstract: There is disclosed an attachment (22) for a cutting head (100) of a hair cutting device (1). The attachment (22) comprises first and second side portions (24, 26) configured to cover, respectively, first and second sides (112, 114) of a stationary cutting member (115) of the cutting head (100), and an intermediate portion (28) interconnecting the first and second side portions (24, 26) and configured to cover an outer surface (120b) of a first wall portion (120) of the stationary cutting member (115). The first and second side portions (24, 26) are configured to protrude relative to the plurality of primary cutter teeth (118) of the stationary cutting member (115), which define a cutting zone of the cutting head. The first and second side portions (24, 26) and the intermediate portion (28) define a recess exposing the primary cutter teeth (118) of the stationary cutting member (115). The recess is non-interrupted over a distance of at least 50% of the length of the cutting zone.

Abstract: A self-aligning coupling linkage for a drive train, of a hair cutting appliance having a driving shaft and a non-aligning output shaft, includes a joint section having first and second connector portions that are configured to engage one another for torque transmission. The first second connector portions define a male connector having an external polygonal profile, viewed in a cross-sectional plane perpendicular to a longitudinal axis, and a female connector having an internal engagement profile. The male and female connectors are arranged in a self-aligning fashion for angular offset compensation, where wherein at least one of the male and female connectors is provided with at least one circumferentially arranged deflectable compensation element configured to urge the male and female connectors towards a centered alignment.

Abstract: A self-aligning coupling linkage for a drive train, of a hair cutting appliance having a driving shaft and a non-aligning output shaft, includes a joint section having first and second connector portions that are configured to engage one another for torque transmission. The first second connector portions define a male connector having an external polygonal profile, viewed in a cross-sectional plane perpendicular to a longitudinal axis, and a female connector having an internal engagement profile. The male and female connectors are arranged in a self-aligning fashion for angular offset compensation, where wherein at least one of the male and female connectors is provided with at least one circumferentially arranged deflectable compensation element configured to urge the male and female connectors towards a centered alignment.

Abstract: The present invention relates to a drive train (50) of a hair cutting appliance (10) and to a self-aligning coupling linkage (66) for a drive train (50).

Abstract: The present disclosure relates to a self-aligning coupling linkage (32) for a drive train (28) of a hair cutting appliance (10) comprising a driving shaft (34) and a non-aligning output shaft (38), said coupling linkage (32) comprising a joint section (52) comprising a first connector portion (58, 158) and a second connector portion (60, 160) that are arranged to engage one another for torque transmission, wherein the first connector portion and the second connector portion define a male connector (58, 158) comprising an external polygonal profile (62, 162), viewed in a cross-sectional plane perpendicular to a longitudinal axis, and a female connector (60, 160) comprising an internal engagement profile (64, 164), wherein the male connector (58, 158) and the female connector (60, 160) are arranged in a self-aligning fashion for angular offset compensation, and wherein at least one of the male connector (58, 158) and the female connector (60, 160) is provided with at least one circumferentially arranged deflect

Abstract: A hair cutting appliance includes a linkage unit configured to couple a cutting unit and to a housing of the hair cutting appliance. The linkage unit includes a four-bar linkage mechanism having first and second arms which respectively include first and second bases pivots coupled to a base. The first and second base pivots are arranged at the base at a fixed distance. The first arm and second arms also respectively include first and second top pivots coupled to a connecting bar. The connecting bar is configured to be coupled to the cutting unit such that, during operation, the cutting unit is pivotably supported by the four-bar linkage mechanism.

Abstract: The present invention relates to a drive train (50) of a hair cutting appliance (10) and to a self-aligning coupling linkage (66) for a drive train (50).

Abstract: The present invention relates to a hair cutting appliance (10) comprising a linkage unit (30) for a cutting unit (18), and to a cutting unit (18) and a linkage unit (30) for coupling the cutting unit (18) and a housing (12) of a hair cutting appliance (10). The linkage unit (30) comprises a four-bar linkage mechanism (32) comprising a first arm (42) and a second arm (44), the first arm (42) comprising a first base pivot (48) coupled to a base (38), the second arm (44) comprising a second base pivot (50) coupled to a base (38), the first base pivot (48) and the second base pivot (50) being arranged at the base (38) at a fixed distance, the first arm (42) further comprising a first top pivot (52) coupled to a connecting bar (46), the second arm (44) further comprising a second top pivot (54) coupled to the connecting bar (46), wherein the connecting bar (46) is arranged to be coupled to a cutting unit (18), such that, during operation, the cutting unit (18) is pivotably supported by the linkage mechanism (32).