Abstract: Devices and methods for applying oral care with an adaptable mouthpiece assembly. The adaptable mouthpiece assembly includes a support plate configured to be inserted in a mouth of a user, and a chain member configured to accommodate a section of teeth and gum of the user. The chain member includes a plurality of shackles that are arranged successively on the support plate and that are hingeably coupled to each other. A posterior shackle is coupled to the support plate via a first fixed pivot. An anterior shackle is coupled to the support plate via a movable pivot. A configuration of the plurality of shackles is adjustable by allowing the plurality of shackles to move freely in a horizontal plane along the support plate between the first fixed pivot and the movable pivot.

Abstract: A shaver head for an electric shaver has at least two hair-cutting units, each of which includes an external cutting member and an internal cutting member that is rotatable relative to the external cutting member. Each of the hair-cutting units is supported by a supporting portion that is linearly movable under the bias of a spring member relative to a base portion of the shaver head between a first, retracted position and a second, extended position. The shaver head has a locking mechanism for selectively locking the supporting portion in a locked position relative to the base portion allowing a user to select different shaving modes.

Abstract: Power toothbrushes and mouthpiece assemblies for cleaning teeth are provided. The mouthpiece assembly includes a bite block, an upper mouthpiece, and a lower mouthpiece. The bite block is configured to engage at least one tooth of the first set of teeth and at least one tooth of the second set of teeth. A driving mechanism is provided for driving movement. The bite block, the at least one tooth of the first set of teeth, and the at least one tooth of the second set of teeth create a static arrangement relative to movement of the upper mouthpiece and the lower mouthpiece when the user bites on the bite block. Movement of the upper mouthpiece and the lower mouthpiece, driven by the driving mechanism, is uninhibited when the user bites on the bite block.

Abstract: According to an aspect, there is provided a mounting assembly (10) for a hair cutting appliance. The mounting assembly comprises: a head (12) for receiving a cutting unit; a base (14) and a mount. The head is mounted to the base via the mount such that the head is pivotably moveable relative to the base about a primary axis (15) and a secondary axis (30), wherein the primary axis and the secondary axis are not parallel. A first biasing element (34a) and a second biasing element (34b) act independently of one another, wherein the first biasing element and the second biasing element are mounted at a fixed point and configured to act on the head or the mount at a respective first biasing point (40a) and second biasing point (40b) to bias the pivoting movement of the head with respect to the base to a stable position.

Abstract: According to an aspect, there is provided a comb attachment for a blade system, the comb attachment comprising a rack component and a pinion assembly. The rack component is defined by one of a comb and a housing and comprises a rack. The housing is configured to attach to the blade system, and the pinion assembly comprises a pinion component defined by the other of the comb and the housing. The pinion assembly further comprises an axle retained by the pinion component, and a pinion disposed on the axle such that the pinion is rotatable with respect to the pinion component. The rack and the pinion are arranged to cooperate such that rotation of the pinion on the axle induces relative linear movement between the comb and the housing.

Abstract: A spacing comb for a hair cutting appliance. The comb includes a support frame, a series of comb teeth each having a frontal portion and a rear portion, wherein the comb teeth extend from the support frame. The support frame includes a frontal connector bar and a rear connector plate, wherein the frontal portions of the comb teeth extend from the frontal connector bar. The frontal connector bar is inwardly curved towards the rear connector plate, such that a central portion of the frontal connector bar is rearwardly offset from lateral portions thereof. Also described herein is a hair cutting appliance that is equipped with such a spacing comb.

Abstract: A coupling assembly is provided which includes a coupling element and a retaining member. One of the coupling element and the retaining member includes at least one cam element and another of the coupling element and the retaining member includes at least one notch. Both the cam element and the notch have two oppositely sloped surfaces. In a coupled position of the coupling assembly, the cam element and the notch only contact each other at two sides through the sloped surfaces at the position of a contact portion at a base of the cam element and an associated contact portion of the notch at an open side of the notch.

Abstract: A shaving unit (3) for use in a shaving device comprises a supporting member (5) and at least two hair-cutting units (6) connected to the supporting member (5), wherein each hair-cutting unit (6) comprises an external cutting member (10), a skin-supporting member (40) having a skin-supporting surface (41) at least partially surrounding the external cutting member (10), and an internal cutting member (20). Further, in each hair-cutting unit (6), the skin-supporting member (40) is pivotable relative to the supporting member (5) about both a first pivot axis (42) and a second pivot axis (43), independently from the skin-supporting members (40) of the other hair-cutting units (6), wherein the respective pivot axes (42, 43) are perpendicular relative to each other, and wherein a total range of a pivot angle over which the skin-supporting member (40) is pivotable about the second pivot axis (43) is equal to or larger than 15°.

Abstract: A shaver head (12) for an electric shaver (10) has at least two hair-cutting units (13), each comprising an external cutting member and an internal cutting member which is rotatable relative to the external cutting member, and each supported by a supporting portion (26). The supporting portion is linearly movable under the bias of a spring member (30) relative to a base portion (20) of the shaver head between a first, retracted, position and a second, extended, position. The shaver head has a locking mechanism (30, 32) for selectively locking the supporting portion in a locked position relative to the base portion. This allows a user to select different shaving modes.

Abstract: A spacing comb for a hair cutting appliance. The comb includes a support frame, a series of comb teeth each having a frontal portion and a rear portion, wherein the comb teeth extend from the support frame. The support frame includes a frontal connector bar and a rear connector plate, wherein the frontal portions of the comb teeth extend from the frontal connector bar. The frontal connector bar is inwardly curved towards the rear connector plate, such that a central portion of the frontal connector bar is rearwardly offset from lateral portions thereof. Also described herein is a hair cutting appliance that is equipped with such a spacing comb.

Abstract: A motion transmission unit for a drive train of a hair cutting appliance includes an input shaft, an eccentric portion, a motion converter, and a tilting lever that engages a driving portion of a blade set. The motion converter is arranged between the input shaft and the tilting lever. The eccentric portion engages a motion converter input interface. A motion converter output interface engages the tilting lever input interface and includes a cylindrical portion defining a cylinder axis parallel to a swivel axis of the tilting lever. A tilting lever output interface includes a head portion defining a cylinder axis parallel to a swivel axis of the tilting lever. The cylinder axis of the head portion and the cylinder axis of the cylindrical portion are parallel to the swivel axis.

Abstract: For releasably coupling a body and a head of a personal care appliance, a coupling assembly is provided which comprises a coupling element and a retaining member. One of the coupling element and the retaining member comprises at least one cam element (55) and another of the coupling element and the retaining member comprises at least one notch (46). Both the cam element (55) and the notch (46) have two oppositely sloped surfaces (48; 57). In a coupled position of the coupling assembly, the cam element (55) and the notch (46) only contact each other at two sides through their sloped surfaces (48; 57) at the position of a contact portion (55a) at a base of the cam element (55) and an associated contact portion (46a) of the notch (46) at an open side of the notch (46).

Abstract: The present disclosure relates to spacing comb (70) for a hair cutting appliance (10), the comb (70) comprising a support frame (72), a series of comb teeth (76) each having a frontal portion (78) and a rear portion (80), wherein the comb teeth (76) extend from the support frame (72), wherein the support frame (72) comprises a frontal connector bar (100) and a rear connector plate (102), wherein the frontal portions (78) of the comb teeth (76) extend from the frontal connector bar (100), and wherein the frontal connector bar (100) is inwardly curved towards the rear connector plate (102), such that a central portion (110) of the frontal connector bar (100) is rearwardly offset from lateral portions (112, 114) thereof. The present disclosure further relates to a hair cutting appliance (10) that is equipped with a spacing comb (70).

Abstract: A shaver for a shaving apparatus includes at least first and second cutters which respectively have first and second external cutting members with a plurality of hair entry openings which define, respectively, first and second shaving tracks. The cutters each have an internal cutting member which is respectively rotatable relative to the corresponding external cutting member about first and second axis of rotation. The internal cutting members are respectively connected to first and second driven transmission element via first and second drive spindles. The driven transmission elements are included in a transmission unit, where the drive spindles extend from the transmission unit via an open space, which is present between the transmission unit and the cutting units, and respectively pass through an opening in a bottom wall of a first housing of the first cutting unit and a second housing of the second cutting unit.

Abstract: A shaving unit for a shaving apparatus has at least two cutting units each including an external cutting member having hair entry openings and an internal cutting member which is rotatable relative to the external cutting member about an axis of rotation. Each cutting unit has a housing accommodating a hair collection chamber. A cover portion of the housing is releasably coupled to a base portion. The external and internal cutting members are held in an operating position in the cover portion by a holding component which is releasably coupled to the cover portion. The base portion of the housing of each cutting unit has a supporting structure where, in the closed position of the housing, the external cutting member is directly supported by the supporting structure at least in an axial direction parallel to the axis of rotation.

Abstract: The invention relates to a shaving unit for a shaving apparatus The apparatus including at least a first cutting unit and a second cutting unit, where each of the first and second cutting units respectively include external cutting members having a plurality of hair entry openings and further respectively include internal cutting members which are rotatable relative the respective external cutting members about respective axes of rotation. The first and second internal cutting members being connected to a transmission unit via, respective first and second drive spindles. Each of the first and second cutting units including a housing having a bottom wall including an opening in fluid communication with a hair collection chamber in the housing.

Abstract: A shaving unit for a shaving apparatus includes at least first and second cutting units which respectively include first and second external cutting members having a plurality of hair entry openings respectively defining first and second shaving tracks. The cutting units further include first and second internal cutting members which are rotatable relative to, respectively, the first and the second external cutting members about first and second axis of rotations, respectively. The first cutting unit is pivotal about a first primary pivot axis which, seen in a direction parallel to the first axis of rotation, is arranged between the first shaving track and the second axis of rotation. Similarly, the second cutting unit is pivotal about a second primary pivot axis which, seen in a direction parallel to the second axis of rotation, is arranged between the second shaving track and the first axis of rotation.

Abstract: The invention relates to a shaving unit for a shaving apparatus, comprising at least two cutting units (10a, 10b), wherein the cutting units each comprise an external cutting member (12) having a plurality of hair entry openings (13) and an internal cutting member (480) which is rotatable relative to the external cutting member about an axis of rotation. The cutting units each comprise a housing (20) accommodating a hair collection chamber, the housing comprising a base portion (551) and a cover portion (530) which is releasably coupled to the base portion, wherein the external cutting member and the internal cutting member are held in an operating position in the cover portion by means of a holding component (517) which is releasably coupled to the cover portion.

Abstract: The present disclosure relates to a motion transmission unit (40) for a drive train (30) of a hair cutting appliance (10) and to a hair cutting appliance (10), the unit (40) comprising an input shaft (42) defining a longitudinal axis (44) and comprising an eccentric portion (68) that is arranged to revolve about the longitudinal axis (44) when the input shaft (42) is rotated, a motion converter (44) comprising a motion converter input interface (74) and a motion converter output interface (76), and a tilting lever (46) that is pivotably mounted and comprises a tilting lever input interface (80) and a tilting lever output interface (82) that engages a driving portion (86) of a blade set (16) of the appliance (10), wherein the motion converter (44) is arranged between the input shaft (42) and the tilting lever, wherein the eccentric portion (68) of the input shaft (42) engages the motion converter input interface (74), wherein the motion converter output interface (76) engages the tilting lever input interface

Abstract: The invention relates to a shaving unit for a shaving apparatus, comprising at least a first cutting unit (10a) and a second cutting unit (10b), wherein said first and second cutting units respectively comprise a first and a second external cutting member (12) having a plurality of hair entry openings (13) which define, respectively, a first and a second shaving track (11a, 11b), and a first and a second internal cutting member which is rotatable relative to the first and the second external cutting member about a first and a second axis of rotation (6a, 6b), respectively, wherein the first and the second internal cutting members are connected to, respectively, a first and a second driven transmission element via a first and a second drive spindle (40a, 40b), wherein the first and the second driven transmission elements are comprised in a transmission unit (60), wherein the first and the second drive spindles extend from the transmission unit via an open space, which is present between the transmission unit a