Field of the Invention

The invention relates to a combined device for showering and shaving or for other cosmetic or medical processes applicable to the surface of the human or animal body.

Background of the Invention

Shower heads are used for showering. The shower head is usually connected to a pressurised water supply and contains a shower rose with a system of nozzles or water outlet holes. The shower head may be fitted with a switch adjusting the direction of the water stream to the various nozzle assemblies, thereby giving the outlet shape of the shower water stream, its strength and directionality.

Showering, as a process of washing the surface of the body with water and auxiliary hygiene products, has a beneficial effect on the skin, which is also manifested by the fact that water softens the skin and it thus becomes more suitable for skin care. This directs the process of showering and staying in the shower to other activities, related to the sphere health or hygiene, in which the body and skin are treated. The term “skin care/treatment” in this application for registration of the invention refers to both processes leading to the removal of elements from the surface of the human body, such as hair removal, shaving, pedicure, beard and hair shaving, nail removal, etc., and medical processes such as brushing, massage, application of health and cosmetic products, etc.

The most common activities performed in the shower or bath outside of regular washing include shaving, in particular shaving beards on the face, removing and shaving hair on the legs and arms, or removing pubic hair.

Shaving is usually done manually using manual shaving devices with a handle fitted with interchangeable or firmly integrated razors. For the purposes of this description, the term “razor” refers to a tool comprising one or more razor blades. In case there are several razors or blades, they are usually arranged in an assembly of successive parallel straight or angled blades anchored in a housing and constituting a single unit. The direction of the blade in the housing corresponds to the profile of the blade and the principle of separating hair from the skin.

To remove beards and hair, mechanical appliances are also used, called razors, when hair is cut or trimmed, and hair-removers, when hair is pulled out. These appliances are most often equipped with an electric drive with a DC motor. However, this solution is problematic because it requires safe current in contact with water, and the equipment must be very well insulated to this safe current to prevent short circuit of the power supply, motor winding, or electronic components. An example of an electrically driven razor is the invention under document US 4043036 using a battery-powered electric motor to drive a rotary blade covered by a foil. For the purposes of this description, a foil refers to a body which covers the razor from direct contact with the skin and is fitted with openings through which hair of the beard passes during shaving before being separated from the skin by the blade. According to US 4043036, a stream of water from a hose bathroom distribution system driving a primitive rotary turbine with a belt torque transmission from the driven wheel of the drive to the driving wheel of the razor can be alternatively used to drive this device.

The use of another safer drive for razors is one of the ways to eliminate the contact of electrical wires and elements with water. One of the alternative types of drive, more specifically driving medium, is described in US 2362666. It is an air-driven razor, in which a stream of air blown into a razor drum with a razor cylinder fitted with razors forming at the same time a kind of air turbine drive blades, rotates the drum with a protective foil, thereby leading to shaving. The main disadvantage of this solution is its complexity of use, as it is not usual to have a compressed air distribution system installed at home. Also, foil razors are designed for shaving hard hair, i.e. in particular beards, which fit better into the openings in the foil due to their hardness. For shaving soft beards or hairs, typical manual razors are the most widely used, often fitted with lubricating strips, rubber beard straighteners or additional devices to create a lubricating slippery surface to eliminate dry shaving, when there is a significant abrasion of the skin. One of such devices is the device according to document CZ 277414, where a razor with two blades is fitted with an internal cavity with a connection to a hose water supply. The stream of water not only wets the skin, which makes the razor glide better over the skin, but also cleans the joints and foils from beard residues that stick to these parts of the razors during normal use.

A solution for driving a cosmetic device with water is described, for example, in document US 4103381, which describes a hydraulic motor with water driven turbine rotating a surface body, in this case a rotary brush or other end device. In document US 4370807, a water turbine is used to drive a foil razor, i.e. a razor that can again be used only on hard beard hairs.

In document CZ/EP 2744429 (T3), a device called a pedicure grinder is described. It is a combined device for showering and skin care, which serves as a shower and at the same time as a tool for removing hardened skin on the feet. This device is again driven by a stream of pressurised water from the shower distribution system in the bathroom. The water stream is used here not only as a wetting agent, but also as a drive for a rotary pedicure head, where the device can function as a driven wet grinder or as a shower without a grinder drive. The rotary pedicure head is located on the same side of the shower head as the shower rose. The mode of use is ensured here by a switch directing the supplied water stream from the hose shower supply either only to the first water distribution or only to the second water distribution. The first water distribution directs the stream of water to the water turbine, which is thus rotated and rotates the rotary grinding head. The inhibited water, which has transferred part of its kinetic energy to the drive of the rotary head, is drained out through the bypass channels and wets the skin of the treated foot and at the same time washes away the separated old skin. The second water distribution directs the undamped water stream to the shower head fitted with shower nozzles surrounding a rotary head with different arrangement of shower nozzles in a shower rose, with the second switch opening a passage through just one particular nozzle assembly, thus giving the shape and the resulting purpose of the stream of shower water.

The main disadvantage of water-driven devices belonging to the prior art is that these devices are either strictly single-purpose or combine a shower and a cosmetic element in a unilateral, i.e. not very hygienic design, which can cause, for example, fungus or bacteria from the cosmetic foot treatment process to get on the rest of the body during showering. Also, the use of foil-covered razors for hair other than beard is inappropriate, since most of the body’s hair, in particular on the limbs, is long and, above all, so soft that it would be impossible for it to simply pass through an opening in the foil.

The purpose of the invention is to provide a combined device for showering, shaving and other skin care with water drive, which can be simply connected to a shower hose water distribution system, which makes it possible to drive a rotary head with a razor by means of a water stream, efficiently shave all types of human hair without distinguishing length or hardness and, at the same time, use the device for shower and other medical purposes with a clear and non-overlapping separation of cosmetic or medical part from the shower part.

Summary of the Invention

The shortcomings of the currently known devices are largely overcome by the described combined device for showering and skin care. The device consists of an adapted shower head with a shower rose. The shower head can be connected to the pressurised water supply as standard and is fitted with an inlet of this pressurised water and a downstream pressure relief valve, which directs the supplied water stream either to the shower water distribution or to the turbine water distribution. A shower water distribution is formed inside the shower head and conducts a stream of water to the shower rose. A turbine water distribution is also formed inside the shower head, but the water stream is first directed to a water turbine, which is arranged inside the shower head, where it transfers part of its kinetic energy to rotate this turbine. Subsequently, the water stream is directed to the rotary head protruding from the shower head, which is fitted with at least one skin care device and at least one outlet opening through which the water stream leaves the device. Unlike similar known devices, the combined shower and skin care device is designed so that the shower rose is arranged on one side of the shower head and the rotary head is arranged on the other side of the shower head, i.e. on the side opposite the side with the shower rose. The outlet of the shower distribution thus points in the shower head to the side fitted with the shower rose, while the outlet of the turbine distribution points in the shower head to the side fitted with the rotary head. The pressure relief valve is slidably mounted in the device in the pressure relief chamber, which is formed inside the shower head. The pressure relief chamber is connected to the inlet of pressurised water and is fitted with a pair of outlets. One of the outlets is the outlet of pressurised water to the shower distribution system and the other is the outlet of pressurised water to the turbine distribution system. In the extreme positions of its sliding movement, the pressure relief valve always closes one of the outlets from the pressure relief chamber, thus preventing the shower rose and the rotary head from working simultaneously.

In a preferred embodiment, the pressure relief valve is formed by a slide fitted with a pre sprung return spring and a support member. The return spring is mounted at one end in the support member. In this preferred embodiment, the slide is accessible from the outside of the shower head.

In another preferred embodiment, the slide is accessible from the side of the shower head which is fitted with the rotary head. In this preferred embodiment, the rotary head is fitted with a cover, with the cover being fitted with a protrusion which fits directly on the slide. The cover controls the slide by means of a direct pressure through a protrusion by changing its position by compressing the return spring. In this way, the cover externally controls the pressure relief valve and the direction of the water stream through this valve.

In another preferred embodiment, the cover has at least one locking latch fitting into a locking groove arranged in the shower head. In the engaged position of the cover with the protrusion and the locking latch in the locking groove, the slide of the pressure relief valve is moved in the pressure relief chamber to the position of closing the outlet of pressurised water from the pressure relief chamber to the turbine distribution. In the disengaged position of the cover with the protrusion and the locking latch out of the locking groove, i.e. in the process of removing the cover, the slide of the pressure relief valve is moved in the pressure relief chamber to the position of closing the outlet of pressurised water to the shower distribution. The cover attached to the shower head above the rotary head is pushed by pressure from above with the protrusion with the locking latch into the locking groove, thereby causing the protrusion to push by pressure from above against the slide. The pressure of the cover is transmitted by the slide to the return spring, which is located below it, which compresses the spring and moves the slide to its extreme lower position. By turning the cover in this compression, the compression of the position of the cover in the locking groove is locked by means of the locking latch. The pressed slide in its lower position closes the outlet of the pressure relief chamber to the turbine distribution, thus preventing the passage of water stream from the pressure relief chamber to the water turbine and the possibility of rotation of the water turbine and rotary head at the moment when the rotary head is fitted with a cover. The water stream thus flows through the outlet of the pressure relief chamber to the shower distribution. In the reverse procedure, by turning the cover, the locking of the locking latch is released. The pressure applied by the return spring on the slide causes the slide to be pushed to its upper extreme position, which also pushes the protrusion of the cover out of the locking groove. Moving the slide from the lower extreme position to the upper extreme position will cause the outlet of the pressure relief chamber to close to the shower distribution and the outlet of the pressure relief chamber to open to the turbine distribution. The stream of pressurised water is thus directed from the pressure relief chamber to the turbine blades, thus rotating the turbine and rotating the rotary head through the turbine. This can never cause the rotary head to rotate in the covered state or the stream of pressurised water to flow simultaneously from both sides of the shower head.

In the following preferred embodiment, the turbine distribution is fitted with a turbine chamber arranged downstream of the pressure relief valve and a water turbine is fitted in this turbine chamber. The pressure relief valve in this preferred embodiment directs the stream of water to the blades of the water turbine, thereby rotating the water turbine. The water from the turbine chamber is then directed to the outlet openings, through which it flows out of the combined device. In another preferred embodiment, the water turbine is connected to the rotary head by means of a shaft, with this connection being detachable and allowing the rotary head to be replaced.

In another preferred embodiment, the skin care device is a beard or hair shaving device.

In a related preferred embodiment, the outer part of the rotary head is flat and is fitted with at least one attachment, which is fitted with at least one replaceable razor with at least one razor blade.

In another preferred embodiment, the outer part of the rotary head is flat, fitted with at least one recessed housing with at least one replaceable razor with at least one razor blade.

In one preferred embodiment, the razor blade is at least on a portion of one longitudinal edge of the razor, while in another preferred embodiment, the razor blade is along one entire longitudinal edge of the razor. Conversely, in another preferred embodiment, the razor blade is along both entire longitudinal edges of the razor.

In another preferred embodiment, the razor blades are on half of one longitudinal edge of the razor and at the same time on half of the other longitudinal edge of the razor opposite the first longitudinal edge. In addition, the razor blades are arranged opposite one another with respect to the axis of rotation of the rotary head. This arrangement is preferred when the centre of the razor blade is placed in the centre of rotation of the rotary head, where the razor cuts off the beard and hair as the rotary head rotates along its entire length. The cutting operation is performed by the part of the longitudinal edge which is in the direction of rotation of the rotary head.

In another preferred embodiment, the rotary head is fitted with one recessed housing with one replaceable razor with at least one razor blade. The razor blade is placed on one longitudinal edge of the razor. The recessed housing is placed off-axis of rotation of the rotary head. The razor blade points in the direction of rotation of the rotary head. In another preferred embodiment, the rotary head is fitted with one recessed housing with one replaceable razor formed as a double-sided razor. The recessed housing is mounted on the centre of the rotary head so that the axis of rotation of the rotary head divides the recessed housing into right and left halves. The double-sided razor has opposite razor blades. Both razor blades point in the direction of rotation of the rotary head, so that no part of the blade is unused during rotation. This arrangement is highly effective.

In the following preferred embodiment, the rotary head is fitted with two recessed housings, each recessed housing being fitted with one replaceable razor with at least one razor blade. In this preferred embodiment, the razor blade is placed on one entire longitudinal edge of the razor. The recessed housings are placed in one plane, one to the left and the other to the right of the centre of the axis of rotation of the rotary head. The razor is housed in a recessed housing so that the razor blade is on the side of the razor facing in the direction of rotation of the rotary head. Both razors are engaged simultaneously as the rotary head rotates, and they cut off hair and beard along the entire length of one of their longitudinal edges. This embodiment is preferred for the use of over-the-counter, conventional, disposable plastic razors.

In the following preferred embodiment, the rotary head is fitted with three recessed housings with three three-blade razors, which are interchangeably placed in the housings.

In another preferred embodiment, each of the three razors on the rotary head is mounted at an angle to the direction of rotation of the rotary head. In this preferred embodiment, the upper side of the razor faces the circumference of the rotary head and the lower side of the razor faces the centre of the rotary head. In this preferred embodiment, the razors do not touch or overlap, and the edge of the upper side of the razor makes an angle a=60° with the imaginary tangent to the circular circumference of the rotary head at the point of contact.

In a preferred embodiment, the outlet openings are arranged around the rotary head on the non-moving part of the shower head. In another preferred embodiment, the outlet openings are arranged directly on the rotary head and rotate with the rotary head.

In another preferred embodiment, the outlet openings have the shape of a groove extending outwards from the shower head. In addition, the outlet openings are arch-shaped with the direction of curvature towards the centre of rotation of the rotary head. This curvature directs the stream of water to the centre of the rotary head, resulting in a higher rate of water discharge and better direct rinsing of the razors.

In the following preferred embodiment, the skin care device is any device from the group of pedicure grinder, massage head, brush head, razor, friction head or sponge for the application of cosmetics or hygiene products.

The main advantages of the present invention are that the combined device combines the function of a shower and a rotary head fitted with a skin care device, wherein pressurised water from conventional bathroom water distribution is used to drive the rotary head. In addition, the two shower and skin care parts are separated from each other so that they are arranged on opposite sides of the shower head, thus ensuring greater hygiene of the showering process versus the skin care process. The direction of water stream is controlled by a pressure relief valve with external manual control. The device in accordance with this invention makes it possible to shave all kinds of human hair efficiently without distinguishing length or hardness. At the same time, the device can also be used for shower and other medical purposes with a clear and non-overlapping separation of cosmetic or medical part from the shower part. In addition, the skin care devices are replaceable, so that a worn device can be easily replaced or one device can be replaced by another with a different treatment effect.

Explanation of drawings

The invention will be explained in detail by drawings which illustrate:

Fig. 1 a perspective view of a combined device from a rotary head with cover; Fig. 2 a perspective view of a combined device from a rotary head with the cover extended, without showing a specific functional element for skin care;

Fig. 3 a cross-sectional side view of a combined device with the cover mounted, without showing a specific functional element for skin care;

Fig. 4 a cut-out of a side section of a combined device with an indication of the direction of water flow through the shower distribution in the shower mode;

Fig. 5 a cut-out of a side section of a combined device with an indication of the direction of water flow through the turbine distribution in the rotary head drive mode;

Fig. 6 a bottom perspective view of the cover;

Fig. 7 a perspective view of the device with one razor located on the attachment in the embodiment of the outlet of the outlet openings from the rotary head;

Fig. 8 a perspective view of the device with two razors in separate housings located on the rotary head with the outlet of the shaped outlet openings from the rotary head;

Fig. 9 a perspective view of the device with three razors in separate housings located on the rotary head with the outlet of the shaped outlet openings from the rotary head;

Fig. 10 a perspective view of a double-sided razor mounted in a recessed housing;

Fig. 11 a front view of the razor

Examples of the invention embodiments

As shown in Fig. 1, the basis of the combined shower and skin care device is a shower head 1 designed for the required combined function. The shape of the combined shower and skin care device thus resembles a shower head 1 with a conventional shower rose 8, which can be able to function even in several shower modes. The shower head 1 can be connected as standard to the hose supply of pressurised water from a tap and is fitted with an inlet 2 of this pressurised water. Downstream of the pressurised water inlet 2 there is a pressure relief valve 9, the purpose of which is to direct the supplied water stream either to the shower distribution 3 or to the turbine distribution 4. Both water distributions 3, 4 are formed inside the shower head 1. The shower water distribution 3 directs the water stream towards the shower rose 8, while the turbine water distribution 4 directs the water stream to the rotary head 6. In the turbine distribution 4, the stream of water from the pressure relief valve 9 is first directed to the water turbine 5, which is arranged inside the shower head 1, where the water transfers part of its kinetic energy to rotate the water turbine 5. Subsequently, the water stream from the water turbine 5 is directed to the rotary head 6 protruding from the shower head 1, which is fitted with at least one skin care device and at least one outlet opening 7 through which the water stream leaves the combined device.

In the present embodiment of the invention shown in Figs. 2 and 3, the combined shower and skin care device is constructed such that the shower rose 8 is arranged on one side of the shower head 1 and the rotary head 6 is arranged on the other side of the shower head 1, i.e. on the side opposite the side with the shower rose 8. According to the present embodiment of the invention shown in Figs. 4 and 5, the outlet of the shower distribution 3points in the shower head 1 to the side fitted with the shower rose 8, while the outlet of the turbine distribution 4 points in the shower head 1 to the side fitted with the rotary head 6. In the combined device, the pressure relief valve 9 is arranged in the pressure relief chamber 16 and in this pressure relief chamber 16, it is slidably mounted with a movement between its two extreme positions. The pressure relief chamber 16 is formed inside the shower head 1 and is connected to the inlet 2 of pressurised water. The pressure relief chamber 16 is provided with a pair of outlets 10, 12, an outlet 10 for pressurised water to the shower distribution 3 and an outlet 12 for pressurised water to the turbine distribution 4. In the extreme positions of its sliding movement, the pressure relief valve 9 always covers one of the outlets U), 12 from the pressure relief chamber 16, thus preventing the shower rose 8 and the rotary head 6 from undesirable simultaneous working.

According to the present embodiment of the invention shown in Figs. 3, 4 and 5, the pressure relief valve 9 is formed by a slide 17 fitted with a pre- sprung return spring 18 and a support member 19. The return spring 18 is mounted at one end in the support member 19. In the present embodiment of the invention, the slide 17 is accessible from the outside of the shower head 1, thus enabling its external control. In another embodiment of the invention, shown in Figs. 3, 4 and 5, the slide 17 is accessible from the side of the shower head 1, which is fitted with a rotary head 6. In the present embodiment of the invention, the rotary head 6 is fitted with a cover 20 as shown in Fig. 6, which is fitted with a protrusion 21. The protrusion 21 fits directly on the slide 17, thus becoming an actuating element for switching over the positions of the pressure relief valve 9. To fix the cover 20 on the combination device, the cover 20, as shown in Fig. 6, is fitted with at least one locking latch 22, which fits into a locking groove 23 arranged in the shower head 1. In the engaged position of the cover 20 with the protrusion 21 and the locking latch 22 in the locking groove 23, the slide 17 of the pressure relief valve 9 is moved in the pressure relief chamber 16 to the position of closing the outlet 1_2 of pressurised water from the pressure relief chamber 16 to the turbine distribution 4. In the disengaged position of the cover 20 with the protrusion 21 and the locking latch 22 out of the locking groove 23, i.e. in the process of removing the cover 20, the slide 17 of the pressure relief valve 9 is moved in the pressure relief chamber 16 to the position of closing the outlet U) of pressurised water to the shower distribution 3. In this way the water flow through the pressure relief chamber 16 is controlled and the simultaneous undesirable flow of water stream into both distributions 3, 4 is prevented. The locking latch 22 is fixed in the locking groove 23 of the combined device by turning the cover 20, thus preventing its unintentional release. Targeted release of the cover 20 is achieved again by rotating the cover 20 in the locking groove 23, this time in the opposite direction, releasing the locking latch 22 and the pressure of the pre-sprung return spring 18 acting through the slide 17 on the protrusion 21 of the cover 20 pushes the cover 20 out of the housing.

According to the present embodiment of the invention shown in Fig. 3, turbine distribution 4 is fitted with a turbine chamber 15 arranged downstream of the pressure relief valve 9. A water turbine 5 is fitted in this turbine chamber 15. The pressure relief valve 9 in this preferred embodiment directs the stream of water to the blades 24 of the water turbine 5, thereby rotating the water turbine 5. The pressurised water from the turbine chamber 15 is then directed as shown in Fig. 5 to the outlet openings 7 located on the sides of the rotary head 6 or directly in the rotary head 6, through which the pressurised water drains out of the combined device and rinses the surface of the rotary head 6. According to the present embodiment of the invention shown in Fig. 3, the water turbine 5 is connected by means of a shaft 25 to the rotary head 6. The connection of the shaft 25 and the rotary head 6 is detachable and allows replacement of the rotary head 6 in safe mode when the rotary head 6 is out of operation. Thus, it is either possible to replace the skin care devices on the surface of the rotary head 6, or it is possible to replace the whole rotary heads 6 fitted with different skin care devices.

According to other embodiments of the invention shown in Figs. 7, 8 and 9, the skin care device is a beard or hair shaving device. According to the present embodiment of the invention shown in Fig. 7, the rotary head 6 is flat and is fitted with at least one attachment 13, which is fitted with at least one replaceable razor 11 with at least one razor blade 14. The flatness of the rotary head 6 is particularly suitable for its easier fitting with an attachment 13 for clamping the razor 11.

According to the present embodiment of the invention shown in Figs. 8 and 9, the rotary head 6 is flat, fitted with at least one recessed housing 28 with at least one replaceable razor 11 with at least one razor blade 14. The use of a recessed housing 28 ensures that the razor blade 14 of the razor 11 protrudes above the outer profile of the rotary head 6 so that the surface of the rotary head 6 prevents the razor blades 14 from being pushed to hard into the skin, which could result in cuts.

In the basic embodiment, the rotary head 6 is fitted with one razor 1_F which is placed on the protrusion 21 or in the recessed housing 28. The razor 11 is always fitted with a razor blade 14 at least on the side in the direction of rotation of the rotary head 6. According to one embodiment of the invention shown in Figs. 7 to 9 and 11, the razor blade 14 is along the entire length of one longitudinal edge 30 of the razor _P. According to a non-illustrated exemplary embodiment of the invention, the razor 11 can be fitted with a razor blade 14 on both entire longitudinal edges 30 of the razor P.

According to another non-illustrated exemplary embodiment of the invention, the razor 11 is fitted with a razor blade 14 on half of one longitudinal edge 30 and at the same time, on half of the other longitudinal edge 30. According the present embodiment of the invention, the razor blade 14 is thus placed on half of each of the opposite longitudinal edges 30 of each razor blade 11. At the same time, however, the razor blades 14 are placed on the razor _P with one razor blade 14 on the right half and the other on the left half of the razor _P. This arrangement is preferred when the centre of the razor 11 is placed in the centre of the axis of rotation of the rotary head 6. In this embodiment, the razor 11 will cut off the beard and hair as the rotary head 6 rotates on both sides of the rotary head 6. The cutting operation is performed by that part of the longitudinal edge 30 or its blade 14, arranged in the direction of rotation.

According to another non-illustrated exemplary embodiment of the invention, the rotary head 6 is fitted with one recessed housing 28 with one replaceable razor _P with at least one razor blade 14. The razor blade 14 is placed on one longitudinal edge 30 of the razor 11. The recessed housing 28 is placed either to the left or to the right of the centre of the axis of rotation of the rotary head 6. The razor 11 is interchangeably housed in a recessed housing 28 so that the razor blade 14 is on the side of the razor 11 facing in the direction of rotation of the rotary head 6. As a result, the razor blade 14 cuts off the beard and hair along its entire length at each moment of rotation of the rotary head 6.

According to the present embodiment of the invention shown in Fig. 10, the rotary head 6 is fitted with one recessed housing 28 with one replaceable razor _P formed as a double-sided razor 29. The recessed housing 28 is mounted on the centre of the rotary head 6 so that the axis of rotation of the rotary head 6 divides the recessed housing 28 into right and left halves. The double- sided razor 29 is formed of two smaller but equally large razors 11 connected into one double-sided razor 29 of standard size. The connection of the two razors _P creates two halves of the double-sided razor 29, which have mutually opposite arrangement of razor blades 14. The centre of the double- sided razor 29 is placed on the axis of rotation of the rotary head 6.

According to the following non-illustrated exemplary embodiment of the invention, the rotary head 6 is fitted with two recessed housings 28, each recessed housing 28 being fitted with one replaceable razors _P with at least one razor blade 14. In the present embodiment of the invention, the razor blade 14 is placed on one longitudinal edge 30 of the razor IT. The recessed housings 28 are placed in one plane, one to the left and the other to the right of the axis of rotation of the rotary head 6. The razor IT is inserted into the recessed housing 28 so that the razor blade 14 is on the longitudinal edge 30 of the razor IT facing in the direction of rotation of the rotary head 6. Both razors IT are thus in shaving mode simultaneously as the rotary head 6 rotates, with the entire length of one of the longitudinal edges 30 of the razor 11, which cuts off the beard and hair.

In terms of the optimum combination of rotation of the rotary head 6 and the shaving effect of the razors IT, it is preferred to fit the rotary head 6 with three recessed housings 28 with three three-blade razors IT, according to the embodiment shown in Fig. 9. A larger number of razor blades 14 reduces the wear of the individual razor blades 14 during shaving. It is preferred that the razors IT be placed in the housings 28 in a removable manner.

According to the same embodiment of the invention shown in Fig. 9, each of the three razors IT on the rotary head 6 is mounted at an angle to the direction of rotation of the rotary head 6. In this preferred embodiment, the upper side 26 of the razor IT faces the circumference of the rotary head 6 and the lower side 27 of the razor IT faces the centre of the rotary head 6. In this preferred embodiment, the razors IT do not touch or overlap, and the edge of the upper side 26 of the razor IT makes an angle a = 60° with the imaginary tangent to the circular circumference of the rotary head 6 at the point of contact. As a result, the shaving process is optimally distributed between the 360° rotational movement of the rotary head 6 and the engagement between the razors IT, where the contact of the razor blade 14 at one imaginary point of the skin follows the rotation of the rotary head 6 by 120° when the combined device is stationary on the skin.

In one exemplary embodiment, the device 1 can be fitted with commercially available disposable razors IT. These razors IT are commonly of plastic construction with metal razor blades 14 and accessories such as beard straighteners or wetting strips. This solution gives the device 1 better affordability and a significant hygienic dimension. However, in another exemplary embodiment, the device 1 can also be fitted with special razors H manufactured according to particular specifications and requirements for shaving quality, size of shaving surfaces, number of razor blades 14, and other parameters known to the person skilled in the art influencing the shaving comfort.

The specified examples of fitting the razors 11 on the rotary head 6 and the parameters of the razor blades 14 fitted in the razors _P are not a definitive restrictive list of options and the person skilled in the art is able to deduce further examples of embodiments of the invention derived from the examples. The razors _P can thus be mounted on the razor head 6 in different numbers, at different angle to the directional vector of rotation of the rotary head 6, in different arrangements with respect to the position of the axis of rotation of the rotary head 6 _j with different number of razor blades 14 in the razor _P or with different point of location of the razor blades 14 in the razor 11.

According to a non-illustrated exemplary embodiment of the invention, the outlet openings 7 are arranged around the rotary head 6 and do not move when the rotary head 6 rotates. On the other hand, in another embodiment of the invention, the outlet openings 7 are placed directly on the rotary head 6 and rotate with the rotary head.

In the exemplary embodiment of the invention as shown in Figs. 8 and 9, the outlet openings 7 are placed on the rotary head 6 and have the shape of a groove extending outwards from the shower head 1. In addition, the outlet openings 7 are arch-shaped with the direction of curvature towards the centre of rotation of the rotary head 6. This curvature during the clockwise rotation of the rotary head 6 directs the stream of water to the centre of the rotary head 6, resulting in a higher rate of water discharge and better direct rinsing of the razors 11.

According to other non-illustrated embodiments of the invention, the skin care device is any device from the group of pedicure grinder, massage head, brush head, razor, friction head or sponge for the application of cosmetics or hygiene products. The device may be placed on the rotary head 6 in an interchangeable manner or the rotary head 6 itself may be interchangeable. It may also be a combination of both methods of interchangeability in order to be able to combine different types of skin care devices.

Industrial applicability

The device can be used for both human and animal skin care, for private use in households or for business use in the cosmetic and medical industries.

List of reference numerals used in the drawings

1 shower head

2 inlet of pressurised water to the shower head

3 shower distribution

4 turbine distribution

5 water turbine

6 rotary head

7 outlet opening

8 shower rose

9 pressure relief valve

10 outlet of the pressure relief chamber to the shower distribution

11 razor

12 outlet of the pressure relief chamber to the turbine distribution

13 attachment

14 razor blade

15 turbine chamber

16 pressure relief chamber

17 slide

18 return spring

19 support member

20 cover

21 cover protrusion

22 locking latch

23 locking groove

24 turbine blade

25 shaft

26 upper side of the razor

27 lower side of the razor

28 recessed housing

29 double-sided razor 30 longitudinal edge a angle