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: An electric shaver according to the present disclosure includes: a body block having a holding portion; a head portion having a blade portion and supported on the body block to be swingable about a shaft portion; and a connecting member provided for connecting the body block and the head portion to each other. The connecting member is connected to the body block such that the connecting member is movable relative to the body block in an intersecting direction which intersects with an extending direction of the shaft portion, and the connecting member is also connected to the head portion by way of the shaft portion. The connecting member is connected to the body block by way of a resilient member. With such a configuration, it is possible to provide an electric shaver capable of suppressing the generation of abnormal sounds and vibrations while suppressing lowering of a swing performance.

Abstract: An electric shaving apparatus including a housing and a shaving head. The shaving head is coupled to the housing by at least one first elastic element and includes at least one first shaving element. The electric shaving apparatus includes in addition an electric motor for generating an oscillatory motion of the shaving head and an oscillatory motion differing therefrom of at least one second shaving element. The electric motor includes two drive components of which a first drive component is adapted to be driven to oscillate relative to a second drive component. One of the drive components is connected to the second shaving element. The second shaving element or a drive part connected thereto is equipped with an elastic connection to the shaving head.

Abstract: A gap between a main body grip portion and a head portion is reduced while securing a tiltable range of the head portion with respect to the main body grip portion. A hair cutting device includes the head portion provided at its upper end surface with a blade head, and the main body grip portion which supports the head portion such that the head portion can vertically float and tilt. A lower portion of the head portion is accommodated in an opened space formed in an upper portion of the main body grip portion, the head portion includes a neck portion whose lower side width in the tilting direction is wider than an upper side width, the neck portion is located at a portion of an opening formed in an upper end surface of the main body grip portion.

Abstract: In a hair cutting device, a head portion is connected such that the head portion can laterally tilt and vertically move. The head portion is stably supported in a front-rear direction, connected to an upper portion of a main body grip portion, and resiliently biased upward. An upper end of the main body grip portion is formed with an opened space into which a lower portion of the head portion is inserted. Front and back surfaces of the head portion have a pair of left and right shaft portions which are connected to an inner surface of the opened space such that the shaft portions can turn and vertically move and come into slide contact with the inner surface of the opened space. A contact portion which is provided lower than the pair of shaft portions comes into slide contact with the inner surface of the opened space.

Abstract: A cutting head for an electric razor is provided. The cutting head has at least one upper blade and a lower blade associated with the upper blade, which upper and lower blades are movably supported relative to one another and can be driven accordingly by a drive device. The upper blade has a contact surface for the skin to be shaved, which contact surface is formed by a plurality of webs that are each bounded by slots. The longitudinal extent of the webs runs substantially perpendicular to a threading edge bounding the contact surface. The contact surface is designed to be concave and rises towards the threading edge, where the threading edge has an outer radius and this outer radius encloses an angle of less than 90°.

Abstract: An electric shaver includes net-shaped outer blades; and inner blades sliding reciprocally over an inner side of the outer blades as detachably connected with driving units driven by a motor. Each of the inner blades includes a blade plate having an inversed-like-U shape seen from a longitudinal direction in parallel with a reciprocating sliding direction; and a blade holder having attaching portions to be attached to the blade plate in longitudinally defined end regions, wherein connection portions to be detachably connected with the driving units are provided at the blade holder in a longitudinally defined center region, and, when dissembling the blade holder from the driving units, anti-detach portions are provided to thereby prevent separation of the blade holder in the longitudinally defined center region from the blade plate in the longitudinally defined center region due to a tensile load between the connection portions and the driving units.

Abstract: The invention provides a hair removing apparatus having a body hair treatment head removing a body hair by shaving the body hair, depilating the body hair or cutting the body hair, and a main body grip held by a hand, and in which the body hair treatment head being rotatably coupled to the main body grip in such a manner that the body hair treatment head is freely oscillated with respect to the main body grip. In this structure, the hair removing apparatus is provided with a weight applying means for applying a force opposing to a force by which the body hair treatment head is oscillated by its own weight of the body hair treatment head around a center of rotation of the body hair treatment head.

Abstract: A blade unit (110) for a razor including a guard element (35) , first and second cap elements (36,37) on opposite sides of the guard element, a plurality of blades (32) with cutting edges (33) disposed between the guard element and the first cap element and facing towards the guard element. At least one blade with a cutting edge is disposed between the guard element and the second cap element and faces towards the guard element. The first cap element, guard element and second cap element are circumscribed by an arc of a circle (46) . A first plane (47) extends between positions at which the circumscribing arc meets a first surface (35a) on the guard element and a surface on the first cap element. A second plane (48) extends between positions at which the circumscribing arc meets a second surface (35b) on the guard element and a surface (37b) on the second cap element.

Abstract: An electric razor including an actuator, an outer cutter and an inner cutter. The actuator has a first vibrator and a second vibrator. The outer cutter and the inner cutter are respectively supported at the first vibrator and the second vibrator so that the cutters can slide against each other. The actuator vibrates the first vibrator and the second vibrator so that the vibrators slide in reciprocation toward opposite directions to each other. Even though vibration of the first vibrator is interrupted by external force through the outer cutter, the second vibrator relatively vibrates so as to slide in reciprocation with respect to the first vibrator and therefore it is easy to meet specified shaving performance.

Abstract: An electric shaving apparatus including a housing and a shaving head. The shaving head is coupled to the housing by at least one first elastic element and includes at least one first shaving element. The electric shaving apparatus includes in addition an electric motor for generating an oscillatory motion of the shaving head and an oscillatory motion differing therefrom of at least one second shaving element. The electric motor includes two drive components of which a first drive component is adapted to be driven to oscillate relative to a second drive component. One of the drive components is connected to the second shaving element. The second shaving element or a drive part connected thereto is equipped with an elastic connection to the shaving head.

Abstract: A shaving unit for a dry shaver includes at least one outer cutter and one under cutter. Driven by a motor, the outer cutter and the under cutter are movable relative to each other in an oscillatory motion. The under cutter and the outer cutter, which are biased into relative engagement by at least one spring, slide along a common contact surface. The spring is arranged in such a way that its biasing force always acts at an angle to the direction of oscillation.

Abstract: A shaving head for an electric shaving apparatus, having an under cutter comprising at least one blade which is drivable in at least one direction of movement relative to an outer cutter. To achieve a good shaving result while at the same time protecting the skin to be best possible effect, it is proposed providing the blade with an outer boundary section which is raised in relation to the cutting edge, faces in the direction of the outer cutter and inclines upwardly from the cutting edge toward the outer cutter.

Abstract: As shaving system comprises a shaving head structure; a blade frame defining a longitudinal axis; and at least two blades mounted in the blade frame, each having a cutting edge extending parallel to the longitudinal axis. The frame is mounted on said structure for oscillatory motion perpendicular to, or about an axis parallel to, said longitudinal axis; and a drive system coupled to said frame produces said oscillatory motion. The amplitude of said oscillatory motion is chosen to exceed 0.4 mm and the frequency exceeds 80 Hz go give an average cutting speed greater than 400 mm per second. In one embodiment at least one blade faces in each of two opposed shaving directions, and the amplitude of said oscillatory motion exceeds the spacing between the cutting edges of said oppositely facing blades. The spacing is preferably in the range 0.6 to 1.4 mm and said amplitude is preferably in the range 0.4 to 2.0 mm.

Abstract: An electric shaver is provided which can enhance the vibration sound by increasing the length of arch-like edges formed between adjacent slots of the inner blade. In the electric shaver, an inner blade having the arch-like edges is moved reciprocally while its outer face contacts with and slides over an inner face of an outer blade to cut beard. The inner blade has an arch-like plate member, as a main body of the inner blade, and it has slots extending from a side wall through a top curved portion to the other side wall, to form arch-like edges between adjacent slots, and the inner blade is connected through a joint to a driver of the main body to be moved reciprocally. Mounting members for the joint are provided at two ends of the inner blade in the longitudinal direction, and the lower ends of the edges at the central portion of the inner blade are set lower than the lower ends of the beads formed above the mounting members of the inner blade.

Abstract: A small electric appliance drive mechanism includes a first drive component, a second drive component, and a coil configured to produce a magnetic field extending from the first drive component and acting on the second drive component. The first drive component and the second drive component are movably arranged in the small electric appliance and adapted to oscillate in phase opposition to one another.

Abstract: The invention is directed to a drive mechanism for driving a working unit, movable in a rotary oscillating manner, of domestic appliances, particularly dry shavers.

Abstract: Dry shaving apparatus comprises a drive source provided in a housing; a first shaving unit (111) having a first outer cutter and a first undercutter coupled to the drive source and mounted for movement beneath said first outer cutter, and a second shaving unit (112, 113), having a second outer cutter and a second undercutter coupled to the drive source and mounted for oscillatory movement beneath said second outer cutter. The first outer cutter is coupled to the drive source and is mounted for oscillatory movement to serve as a skin agitation member; and the first outer cutter and the second undercutter are arranged to be driven at the same frequency by the drive source.