A shaving system includes a shaving device and a cleaning device. The cleaning device includes a receiving space for receiving the shaving device and a reservoir that contains a cleaning liquid. When the shaving device is placed in a cleaning position, the shaving device and the cleaning device are arranged in a manner that the receiving space of the cleaning device receives a shaving unit of the shaving device. In this cleaning position, the devices are arranged and cooperate such that the fluid is transported from the reservoir to the receiving space, where the shaving unit is located. In this way, the shaving unit can be cleaned.

There is provided a rotary electric shaver which includes an external outer blade having a plurality of hair inlet holes on an annular shaving surface, an internal outer blade, a rotationally driven external inner blade having a plurality of small blades coming into sliding contact with a rear surface of the external outer blade, a rotationally driven internal inner blade, an external inner blade rest base, and an internal inner blade rest base. The external outer blade has a cylindrical guide ring formed on an inner peripheral side of an inner wall portion, and the external inner blade has a plurality of guides which come into sliding contact with an inner peripheral surface of the guide ring to perform radial alignment with respect to the external outer blade.

A shaving system comprising a shaving device and a cleaning device (14) is disclosed, wherein the shaving device comprises a main housing and a shaving unit coupled to the main housing, wherein the main housing accommodates an electric actuator and a first drive unit drivable by the electric actuator, the shaving unit comprising at least one hair-cutting unit and a second drive unit coupled to the first drive unit and to the hair-cutting unit such that the hair-cutting unit is drivable by the electric actuator via the first and second drive units; wherein the cleaning device (14) comprises a supporting structure (15) for supporting the shaving device, and a receiving space (28) for receiving the shaving unit when the shaving device is arranged in a cleaning position supported by the supporting structure (15); and wherein the cleaning device (14) comprises a reservoir (32) for containing a cleaning liquid and a fluid pumping unit (48) for transporting the cleaning liquid from the reservoir (32) to the receiving space (28); wherein the shaving device comprises a driving coupling member which is accessible from an outside of the shaving device and drivable by the shaving device; wherein the cleaning device (14) comprises a driven coupling member (30) which is accessible from an outside of the cleaning device (14), and a third drive unit (50) coupled to the driven coupling member (30) and to the fluid pumping unit (48) such that the fluid pumping unit (48) is drivable by the driven coupling member (30); and wherein the driving coupling member and the driven coupling member (30) are arranged such that, in the cleaning position of the shaving device, the driven coupling member (30) is coupled to the driving coupling member such that the fluid pumping unit is drivable by the driving coupling member.

A rotary electric shaver includes a head connected to a blade setting base of a main body. The blade setting base has a setting part in which a plurality of blade units are disposed, and a blade frame that holds the setting part. An inner blade part of the blade unit has an inner blade member, and a base part joined to the inner blade member. An outer blade part of the blade unit has an annular outer blade member having a sliding contact surface and a plurality of slits formed in the circumferential direction, a disk-shaped cover, a ball, and a support. A part of the ball surrounded by the cover and the support protrudes from the cover.

A rotary hair-cutting unit including an internal cutting member having cutting elements with cutting edges, and an external cutting member having hair-guiding elements with counter-cutting edges). The co-operating edges define a shearing angle, such that during rotation a cutting edge first meets a counter-cutting edge at a radial initial-passing position. In a cross-section at said radial initial-passing position one of the internal cutting member and the external cutting member is provided with a particular abutment geometry. The inclusion of an abutment geometry will be effective to push the depressed hair-guiding element and the rotating cutting element axially away from one another, such that the cutting element will pass the hair-guiding element without being blocked and without causing substantial collision damage.

A shaving system comprising a shaving device and a cleaning device (14) is disclosed, wherein the shaving device comprises a main housing and a shaving unit coupled to the main housing, wherein the main housing accommodates an electric actuator and a first drive unit drivable by the electric actuator, the shaving unit comprising at least one hair-cutting unit and a second drive unit coupled to the first drive unit and to the hair-cutting unit such that the hair-cutting unit is drivable by the electric actuator via the first and second drive units; wherein the cleaning device (14) comprises a supporting structure (15) for supporting the shaving device, and a receiving space (28) for receiving the shaving unit when the shaving device is arranged in a cleaning position supported by the supporting structure (15); and wherein the cleaning device (14) comprises a reservoir (32) for containing a cleaning liquid and a fluid pumping unit (48) for transporting the cleaning liquid from the reservoir (32) to the receiving space (28); wherein the shaving device comprises a driving coupling member which is accessible from an outside of the shaving device and drivable by the shaving device; wherein the cleaning device (14) comprises a driven coupling member (30) which is accessible from an outside of the cleaning device (14), and a third drive unit (50) coupled to the driven coupling member (30) and to the fluid pumping unit (48) such that the fluid pumping unit (48) is drivable by the driven coupling member (30); and wherein the driving coupling member and the driven coupling member (30) are arranged such that, in the cleaning position of the shaving device, the driven coupling member (30) is coupled to the driving coupling member such that the fluid pumping unit is drivable by the driving coupling member.

A shaving appliance and a shaving unit are described. The shaving unit has a rotary cutter having a plurality of cutter blades that are provided with a cutting edge. The shaving track includes hair-entry slots that, seen in the direction of movement, have a frontal edge and a rear edge. A slot angle (α) defined as an angle of inclination between the frontal edges (48, 148) of the hair-entry slots. A shearing angle (δ), defined as a difference between the slot angle (α) and an angle of inclination (β) of cutting edges of cutter blades with respect to the radial direction. The shearing angle (δ) is defined at an actual point where the frontal edges and the cutting edges cooperate.

A rotary hair-cutting unit comprises an internal cutting member (7) having cutting elements (10) with cutting edges (11), and an external cutting member (6) having hair-guiding elements (16) with counter-cutting edges (17). The co-operating edges are enclosing a shearing angle, so that during rotation a cutting edge first meets a counter-cutting edge at a radial initial-passing position. In a cross-section at said radial initial-passing position and taken perpendicularly to the radial direction, only one of the internal cutting member and the external cutting member is provided with a particular abutment geometry. Even in cases where a hair-guiding element is deeply depressed towards a rotating cutting element, the abutment geometry will be effective to push the depressed hair-guiding element and the rotating cutting element axially away from one another, so that the cutting element will pass the hair-guiding element without being blocked and without causing substantial collision damage.

There is provided a rotary electric shaver which can easily prevent an outer blade which is undesirable to be brought into contact with a skin from coming into contact with the skin, by reducing the number of contact times of the outer blades in a head with the skin, even when the shaver is used in a state where the head is substantially parallel to the skin. A rotary electric shaver includes a main body having a drive shaft, and a head connected to the main body. At least one of a plurality of blade units has a fulcrum plate, a turning plate, a spring, and a fixing plate, and has a lock mechanism capable of changing a height position of at least one of outer blades corresponding one-to-one to the blade units.

The present disclosure relates to a shaving appliance (10) and to a shaving unit (24), the shaving unit (24) comprising a rotary cutter (30, 130) comprising a plurality of cutter blades (62, 162) that are provided with a cutting edge (64, 164), the rotary cutter (30, 130) being arranged to rotate about a rotation axis (26, 126) in a direction of movement (36, 136); a guard cap (28, 128) having an annular shaving track (44, 144) surrounding the rotation axis (26, 126) for cooperation with the cutter blades (62, 162), the shaving track (44, 144) being provided with hair-entry slots (46, 146) that, seen in the direction of movement (36, 136), have a frontal edge (48, 148) and a rear edge (50, 150); wherein the frontal edges (48, 148) of the hair-entry slots (46, 146) are, in a cutting portion (70, 170) along the long side extension of the hair-entry slots (46, 146), inclined with respect to a radial direction (96, 196) extending from the rotation axis (26, 126), wherein a slot angle (a) defined as an angle of inclination between the frontal edges (48, 148) of the hair-entry slots (46, 146) and the radial direction (96, 196) is in a range from 35° to 60°; wherein a shearing angle (δ), defined as a difference between the slot angle (a) and an angle of inclination (β) of the cutting edges (64, 164) of the cutter blades (62, 162) with respect to the radial direction (96, 196), is in a range from +20° to −20°; and wherein the shearing angle (δ) is defined at an actual point where the frontal edges (48, 148) and the cutting edges (64, 164) cooperate.