EP0861141B1 - Rasoir electrique - Google Patents

Rasoir electrique Download PDF

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Publication number
EP0861141B1
EP0861141B1 EP96934666A EP96934666A EP0861141B1 EP 0861141 B1 EP0861141 B1 EP 0861141B1 EP 96934666 A EP96934666 A EP 96934666A EP 96934666 A EP96934666 A EP 96934666A EP 0861141 B1 EP0861141 B1 EP 0861141B1
Authority
EP
European Patent Office
Prior art keywords
shaving apparatus
dry shaving
elements
spring
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96934666A
Other languages
German (de)
English (en)
Other versions
EP0861141A1 (fr
Inventor
Martin Klein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP0861141A1 publication Critical patent/EP0861141A1/fr
Application granted granted Critical
Publication of EP0861141B1 publication Critical patent/EP0861141B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/048—Complete cutting head being movable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
    • B26B19/288—Balance by opposing oscillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/10—Cutting heads therefor; Cutters therefor; Securing equipment thereof involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly

Definitions

  • the invention relates to a dry shaver with a in a housing arranged electric motor and with at least one shaving head, consisting of two a common upper knife assigned lower knives by a Drive element against the spring force of at least one spring element on a common guide element are arranged to be driven in opposite directions.
  • a shaving head for a dry shaving apparatus is known from JP 53-63610 (A), at the two lower knives sliding on two guide elements and one eccentric arranged in opposite directions between adjacent end walls of the lower knives are drivable, the lower knife by means of two outside the contour of Lower knife provided spring elements are held in contact with the eccentric.
  • the invention has for its object a dry shaver at the beginning to improve the type mentioned, in particular to create a dry shaver at the vibrations and running noise are largely reduced and the inexpensive can be produced.
  • this object is at the beginning of a dry shaver mentioned type solved by the features specified in claim 1.
  • the drive system that vibrates the two lower knives according to the Invention has a number of advantages.
  • the drive system consists of one self-contained power system, which due to its force-free arrangement for Housing can not transmit vibrations to the housing.
  • the drive system works vibration-free due to its full mass balance.
  • the drive system with its components is insensitive to manufacturing tolerances and Wear.
  • the one or more spring elements acting on the lower knife provide under Inclusion of the drive elements driven by the electric motor for one permanent tolerance compensation and convert the kinetic energy of the bottom knife into usable potential energy.
  • the drive consumes less energy than other known bedknives that set moving drive systems.
  • Using a rotary motor can be used in conjunction with an elliptically shaped rotor Cutting frequency of the lower knife can be doubled.
  • the Drive through a significantly lower noise level, as the intended Compensate spring elements also for wear on movable components.
  • Another advantage of the invention is that it is used in a variety of dry shavers used with differently designed shaving heads or cutting systems can be.
  • the drive system according to the invention can be used in dry shavers, which are equipped with both a shaving head and with several shaving heads are used.
  • the shaving heads as such can only be used as Short hair trimmer or also be designed as a long hair trimmer and as a combination used by short hair trimmers and long hair trimmers and by the drive system are driven according to the invention.
  • the shaving heads can both fixed as well as swiveling as well as floating on the housing of a dry shaver or in a shaving head frame that can be placed on the housing of a dry shaver be arranged.
  • the guide element an axis is formed.
  • Guide element formed by a single axis.
  • the axis of the guide element with the lower knives in two supporting elements.
  • the use of support elements for the axis of the Guide element enables a variety of different within the scope of the invention Embodiments.
  • the axis of the Guide element movably mounted in the support elements. Under movable in the sense All directions of movement and types of movement are to be understood according to the invention.
  • the axis of the guide element movable in and against a vertical direction in the support elements stored.
  • This vertical mobility of the axis makes it possible, for example, the pressure of the lower knife against the To control the upper knife or, according to another embodiment, the shaving head or each of the intended shaving heads floating in and against the vertical direction to store.
  • the support elements are resilient stored, which, as already stated, either the pressure of the lower knife to the upper knife or a floating movement of the shaving head (s) in and is controllable against a vertical direction.
  • the support elements are fixed to the housing.
  • the lower knife is in each Wall element provided to support a spring element.
  • each lower knife is a spring element assigned that abuts a wall element of the lower knife on the one hand and on the other hand coupled to the guide element in a non-positive or positive manner is.
  • the frictional coupling is of the spring element with the guide element by a stop on the guide element educated.
  • each lower knife is one Associated spring element with a spring end on a wall element of the lower knife and with the other spring end on a common support element is applied.
  • the support element is according to the invention with the guide element can be self-centering.
  • the support element is designed as a bracket and provided in the two bracket ends Bearings slidably coupled to the guide element. This embodiment according to the invention ensures excellent self-centering in an excellent manner the oscillating lower knife with the inclusion of the or the spring elements acting on the lower knife and on the one hand on the wall elements the lower knife and on the other hand on that driven by the electric motor Spreading element adjacent drive elements.
  • a wall element in each of the lower knives provided for the drive element.
  • a wall element is preferably one Lower knife on the one hand from the drive element and on the other hand from the spring element acted upon.
  • the simultaneous use of a wall element as a support element for the spring element as well as contact element for the drive element has a relatively low-mass embodiment of the two lower knives result.
  • this acts on the lower knife Spring element designed as a compression spring.
  • the spring element acting on the lower knife is designed as a tension spring.
  • the spring elements serve as an energy store in all embodiments of the invention and convert the kinetic energy of the lower knife after reversal of movement of the two lower knives into usable potential energy.
  • these provide Spring elements by means of their spring tension, in particular a given preload for permanent tolerance compensation.
  • the drive element as a one-armed pivoted about an axis Lever trained.
  • the drive element is as one double-armed lever pivotally mounted about an axis. Both embodiments have one thing in common, which is that the axis of a each pivotably mounted drive element essentially on a vertical Line is provided by an imaginary extension of one of a rolling curve acted flat wall surface of a wall element of a lower knife determined is.
  • the drive element is one over one Roll curve formed on a wall element of the lower knife lever.
  • the rolling curve is on the as Lever trained drive element provided.
  • the rolling curve is provided on the wall element of the lower knife.
  • the rolling curve is symmetrical.
  • the rolling curve is asymmetrical educated.
  • the respective curve shape of the rolling curve is influenced by the Lever effect of the drive elements triggering expansion element, that of the electric motor is driven.
  • Drive lever is a symmetrically designed roll curve on the to Bottom cutters preferred ends of the drive elements preferred.
  • the drive element is designed as a swing bridge.
  • the drive element is identical by at least two trained swing bridges with opposing swing elements educated. To produce the countercurrent of the lower knives Swinging bridges are due to their specifically identical design only an injection mold is required, which keeps the manufacturing costs low can be.
  • a swing bridge with at least two oppositely movable oscillating elements are provided. More beneficial Refinements of the swing bridges that can be used as drive elements, including assigned expansion elements are specified in claims 32 to 36.
  • the invention is between two neighboring Ends of the drive elements pivoted about the axes one by one Electric motor driven expansion element provided.
  • Electric motor from a DC motor.
  • the invention is the expansion element by a rotor with an elliptical guideway formed for transmission of motion to the drive elements.
  • An alternative Embodiment for this is characterized in that the expansion element by a Crank drive is formed.
  • each lower knife is connected to one by one Housing wall adjacent spring element held in contact with the upper knife.
  • the upper knife is movably mounted. The mobility of the upper knife can be done by moving the upper knife in a shaving head frame that can be placed on the housing of the dry shaver or by a movable arrangement in an upper knife frame or by a be movable arrangement of an upper knife frame with an upper knife.
  • the upper knife is pivotally mounted.
  • the upper knife is more vertical in and against Floating in the direction. The movable bearing of the upper knife ensures either a good fit of the upper knife to the lower knife, i.e.
  • the spring element is on the arranged by an axis formed guideway.
  • This arrangement is a clear allocation and storage of the spring element in relation to the drive system as well as the reciprocating bottom knives.
  • at least one guideway designed as an axis held in a frame mounted in the support elements.
  • the frame is pivotally mounted in the support elements.
  • at least one axis is in the frame is floating.
  • Fig. 1 is a dry shaver with an electric motor arranged in the housing 10 11 and with at least one shaving head SK, consisting of two common Upper knife 13 associated lower knives 1 and 2, each of one Drive element 5 and 6 in opposite directions and against the spring force of at least one spring element 4 are arranged to be driven.
  • the lower knife 1 is by means of two wall elements 21 and 210 and the lower knife 2 by means of two wall elements 20 and 200 on a common guide element 3 in and against a horizontal Direction B - arrow directions B - guided.
  • the guide element 3 is For example, designed as an axis 33 and for the purpose of proper guidance of the two lower knives 1 and 2 through in the wall elements 20, 21, 200 and 210 provided bearing holes 37 passed.
  • a compression spring trained spring element 4 is provided between the two opposite Wall elements 20 and 21 of the lower knife 1 and 2 .
  • Side of the wall elements 20 and 21 act as a double-armed lever Drive elements 5 and 6 via molded-on rolling curves 31.
  • the course of the curve the rolling curve 31 is designed in such a way that no sliding movement on the acted upon Wall occurs.
  • the two double-armed drive elements 5 and 6 are around the axles 8 and 9 provided on an axle carrier 34 are pivotally mounted. Between the ends of the drive elements 5 opposite the lower cutters and 6, an expansion element 7 is provided, which has different embodiments allows.
  • Fig. 1.1 shows a view of the rotor 53 which, starting from a central position ML, is rotated by 45 ° Takes position. This position of the rotor 53 is a rotor in all shown 53 embodiments. This position corresponds to the middle one Position of the lower knife 1.2 with the course of their oscillating movement in a horizontal Direction B.
  • the guide element 3 designed as an axis 33 is in bearings 16 and 17 in two molded on the housing 10 support members 14 and 15 are provided, movable mounted, the bearings 16 and 17 of the axis 33 in the support members 14 and 15th due to elongated recesses running in the vertical direction A - arrow direction A - 35 and 36 are formed.
  • the mobility of the axis 33 in the elongated recesses 35 and 36 ensure optimal installation of the two lower knives 1 and 2 the upper knife 13 under the action of the spring elements acting on the lower knife 18 and 19.
  • the upper knife 13 in the shaving head frame 12 removably arranged on the housing 10 in vertical Attachable in direction A, or the upper knife 13 in an upper knife frame provide the movable in the vertical direction in the shaving head frame 12 is.
  • Stops 22 and 23 are provided on the guide element 3 or the axis 33, which after mounting the drive system a predetermined distance S to the two Take support elements 14 and 15.
  • the distance S is such that during the operation of the dry shaver touching the stops 22 and 23 with the respective support elements 14 and 15 is excluded.
  • the two are located around axes 8 and 9 pivotably mounted drive elements 5 and 6, each with a lever end in System on the elliptically shaped outer wall F of the rotor 53 and with the Opposed lever ends formed rolling curves 31 in contact with the wall elements 20 and 21 of the lower knife 1 and 2, this system by the bias of the spring element designed as a compression spring onto the wall elements 20 and 21 is guaranteed free of play.
  • the two axes 8 and 9 of the pivoted Drive elements 5 and 6 are each provided on a vertical line L which by an imaginary extension of a plane acted upon by the rolling curve 31 perpendicular to the direction of movement of the lower knife wall surface of the Wall elements 20 and 21 of the lower knife 1 and 2 is determined.
  • the embodiment of the dry shaving apparatus according to FIG. 2 differs from that Embodiment according to FIG. 1 essentially in that the two support elements 14th and 15 are resiliently mounted in the housing 10 of the dry shaver.
  • the purpose is on the support elements projecting into the housing 10 by means of rods 42 and 43 14 and 15 each provide a stop 24 and 25 such that the support elements 14 and 15 under the influence of one hand on the stops 24 and 25 and, on the other hand, springs 38 and 39 supporting an inner wall of the housing 10 are movable in and against a vertical direction A.
  • a parallel tour to ensure the two rods 42 and 43 and thus the support elements 14 and 15, are the rods 42 and 43 in bearing holes 44,45,46,47, which accordingly in two adjacent walls of the housing 10 are provided.
  • the limitation of the mobility of the guide elements 14 and 15 in and against the vertical direction A is a further stop 48 and 49 on the rods 42 and 43 provided, the distance to the stops 24 and 25 taking into account the Wall thickness of the housing 10 on which all the stops 24, 25, 48 and 49 for Get to the system, set the maximum travel.
  • the axis 33 of the guide element 3 is supported in bearings 16 and 17 in the two support arms 14 and 15, whose design no movement of the axis 33 in or against the vertical direction A allows.
  • the support elements 14 and 15 via the stops 24 and 25 acting springs 38 and 39 for pressing the two Lower knife 1 and 2 to the upper knife 13 are used.
  • the arrangement of the upper knife 13 in the shaving head frame 12 allows the springs 38 and 39 both for pressing the two lower knives 1 and 2 onto the upper knife 13 as well for a floating mounting of an upper knife 13 and lower knife 2 and 3 formed shaving head can be used in and against the vertical direction A.
  • the embodiment of a dry shaving apparatus according to FIG. 3 differs from of the embodiment according to FIG. 2 essentially in that the drive elements 5 and 6 intersecting on the axle carrier 34 to pivot about the axes 8 and 9 are articulated.
  • wall elements 200 and 210 are provided in such a way that under the action of the tension spring Spring element 4, which with the two wall elements 20 and 21 of the lower knife 1st and 2 is positively coupled, the contact of the rolling curve 31 of the drive elements 5 and 6 on the wall elements 200 and 210 is guaranteed.
  • the wall elements 20 and 200 and 21 and 210 of the two lower knives 1 and 2 are relatively closely adjacent are provided to each other, taking into account the respective longitudinal extent of the two lower knives 1 and 2 each have a further wall element 300 or 310 provided so that good guidance and sliding movement of the two lower knives on the axis 33 of the guide element 3 is guaranteed.
  • the spring element 4 which is designed as a spring and is coupled to the lower cutters 1 and 2 ensures as well as the spring element 4 designed as a compression spring according to the Embodiments of Figures 1 and 2, a permanent system of all movable Components of the drive system, i.e. the drive elements 5 and 6 to the Wall elements of the lower knife 1 and 2 and on the driven by the electric motor 11 Rotor 53. This means that the self-centering of the power controlled Systems through the symmetry of all attacking external forces also with this Embodiment is guaranteed.
  • the embodiment of the dry shaving apparatus according to FIG. 4 largely agrees the embodiment according to FIG. 2.
  • the two lower knives 1 and 2 by means a spring element 18 and 19 held in contact with the upper knife 13.
  • the spring characteristic the spring elements 18 and 19 is compared to the spring characteristic Springs 38 and 39 set differently.
  • the spring elements 18 and 19 are softer trained as the springs 38 and 39. This has the consequence that the is on a wall the housing 10 supporting springs 18 and 19 with a small, on the lower knife 1 and 2 acting spring force on the one hand a good installation of the lower knife 1 and 2 on the upper knife 13 and also cause the friction on the Significantly reduce axis 33 sliding lower knife 1 and 2.
  • the slightly harder trained springs 38 and 39 are used for floating storage of the both lower knives 1 and 2 and the upper knife formed shaving head SK.
  • the floating movement of the shaving head SK in and against the vertical direction A results from the action of pressure forces acting on the upper knife 13 and their transmission via the upper knife 13 to the lower knives adjoining it 1 and 2 and on the axis 33 carrying the two lower knives 1 and 2 the support elements 14 and 15, including the ones on the housing 10 on the one hand and springs 38 and 39 supporting the support elements.
  • FIG. 5 largely corresponds to the embodiment of the dry shaving apparatus the structure of the dry shaver according to Fig. 3 with the difference that instead a single spring element 4 designed as a tension spring two as compression springs trained spring elements are provided acting on the lower knife 1 and 2.
  • a single spring element 4 designed as a tension spring two as compression springs trained spring elements are provided acting on the lower knife 1 and 2.
  • four wall elements 20 and 21 are on the inside of the lower knife and 200 and 210 are provided, of which the wall elements 20 and 21 of which are different intersecting drive elements 5 and 6 are acted upon.
  • Parallel to the wall elements 20 and 21 are two at a certain distance further wall elements 200 and 210 formed, each by a compression spring trained spring element 40 and 41 are acted upon.
  • the wall elements Apply 200 and 210 opposite ends of the spring elements 40 and 41 each have a stop 22 and provided on the guide element 3 or the axis 33 23.
  • the axis 33 is in bearings 16 and 17 in the form of bearing bores Support arms 14 and 15 movably mounted. Between the neighboring walls of the Support arms 14 and 15 and the stops 22 and 23, a distance S is provided, which is such that any contact when the shaver is started up the stops 22 and 23 with the support arms 14 and 15 are excluded.
  • the stops 22 and 23 represent only one embodiment of the support of the spring elements 40 and 41 on the guide element 3 and the axis 33.
  • This support can according to another embodiment also by an end coupling of the spring elements 40 and 41 with the guide element 3 and the axis 33 be formed - not shown -.
  • the embodiment of the dry shaving apparatus according to FIG. 6 largely corresponds to that Embodiment of the dry shaver according to Fig. 5.
  • a difference between the Embodiment of the dry shaver according to Fig. 5 and the embodiment 6 is that instead of the two spring elements designed as a compression spring 40 and 41 of FIG. 5 in the embodiment of FIG. 6 as a tension spring trained spring elements 40 and 41 are provided.
  • tension spring element 40 The spring element that takes effect is on the one hand with the wall elements 210 of the lower knife 1 and on the other hand firmly connected to the stop 23.
  • the spring element 41 which acts as a tension spring, on the one hand with the wall element 200 of the lower knife 2 and on the other hand with the stop 22 of the guide element 3 firmly coupled.
  • the embodiment of a dry shaving apparatus according to FIG. 7 essentially corresponds 5, the essential difference of this Embodiment consists in that instead of the provided on the guide element 3 Stops 22 and 23 a support element 26 is provided.
  • the support member 26 is formed as a bracket embracing both lower knives 1 and 2, in the temple ends 27 and 28 bearings 29 and 30 designed as slide bearings are provided by means of which the support element 26 on the guide element formed by an axis 33 3 slidably arranged in the horizontal direction in and against the directions B. is.
  • the two spring elements 40 and 41 are in embodiment 7 on the one hand on the wall elements 200 and provided in the lower knives 1 and 2 210 on and on the other hand are supported on the two bracket ends 27 and 28 of the support element 26 from.
  • the guide element, formed by the axis 33, is by all Wall elements 20, 200, 21, 210 of the lower knives 1 and 2 and via the bearing 29 and 30 of the temple ends 27 and 28 of the support element 26 passed and into the Support elements 14 and 15 are movably held.
  • the distance S between the temple ends 27 and 28 of the substantially U-shaped support element 26 to the two Take support elements 14 and 15 ensures automatic self-centering of support element 26 and the two lower cutters 1 and 2 on the guide element 3 taking into account all manufacturing tolerances of the components of the Drive system.
  • the distance S is dimensioned such that even during operation the shaver any contact of the temple ends 27 and 28 of the support member 26 with the support elements 14 and 15 is excluded.
  • Fig. 8 shows an embodiment of a dry shaver, which largely the 2 corresponds to the embodiment.
  • a difference from the embodiment 2 in the embodiment of FIG. 8 is that the two double-armed drive elements 14 and 15 via a crank mechanism 54 from the motor shaft of an electric motor 11 are driven.
  • the motor shaft 55 of the electric motor 11 is coupled to a double eccentric 58, at the eccentrics 57 and 59 each Crank lever 70 and 71 is articulated, the coupling of the drive elements 5 and 6 by means of drive pins 72 and 73 engaging in the crank levers 70 and 71.
  • the dry shaver according to the embodiment shown in FIG. 9 is correct with respect to the drive means coupled to the electric motor 11 for the two the axis 33 of the guide element 3 against the pressure of a spring element 4th slidably mounted lower knife 1 and 2 with the embodiment of FIG. 1.
  • the guide element 3 is in one Frame 60 movably supported in bearings 16 and 17.
  • the bottom knives 1 and 2 are by means of spring elements 18 and 19, which are on the one hand on a wall of the frame 60 support and on the other hand rest on the lower knives 1 and 2, in contact with the Upper knife 13 held.
  • the support members 14 and 15 are in the embodiment 9 part of the housing 10. However, you can alternatively also on the housing 10 can be removably attached - not shown -.
  • axle bearings 61 and 62 are provided.
  • the frame 60 via bearing elements 63 and 64 about a pivot axis Z pivoted.
  • several SK shaving heads each consisting of two in opposite directions movable lower knives, to which at least one upper knife is assigned, with the Spring elements 18 and 19 may be arranged.
  • the frame 60 largely encloses that formed from the drive elements 5 and 6 and the rotor drive system Lower knife 1 and 2 that at least one opening at least with the motor shaft 55 of the electric motor 11 is coupled.
  • the axle bracket 34 On the frame 60 is the axle bracket 34 with the Axes 8 and 9 for the drive elements 5 and 6 attached.
  • Fig. 10 shows an embodiment of a dry shaver, which largely the Embodiment according to FIG. 9 corresponds, with the difference that the one pivotable frame 60 on a guide element 3 under the action of a spring element 4 slidably arranged lower knife 1 and 2 of one-armed Drive elements 5 and 6 are set in a reciprocating motion.
  • the Drive elements 5 and 6 designed as one-armed levers are on the axes 8 and 9 of an axle bracket 34 fastened to the housing 10 is pivotably mounted.
  • the the Axes 8 and 9 opposite ends of the drive elements 5 and 6 are at the ends provided with a rolling curve 31 acting on a wall element 20, 21.
  • the Drive pins 72 and 73 are approximately in the middle of the distance of the axis 33 to the Axes 8 and 9 are provided on the drive elements 5 and 6 and with the crank levers 70 and 71 of a crank mechanism 54 coupled, as already for the embodiment according to Fig. 8 executed.
  • FIG. 11 shows a side view of a dry shaving apparatus according to FIG. 1 and others previously described embodiments in section.
  • a Shaving head frame 12 removable or fixed.
  • the upper knife 13 can also be fastened by means of the fastening elements 80 and 81 be firmly attached to the shaving head frame 12. That on a guide element 3 or an axis 33 slidably arranged lower knife 2 held in contact with the upper knife 13 by means of a spring element 18 - see FIG. 1.
  • the axis 33 is provided in the wall element 20 of the lower knife 2 Bearing bore 37 passed through.
  • the double-armed drive element 6 is on an axis 9 pivoted, such that the end facing away from the lower knife 2 is set in motion by a motor shaft of an electric motor 11 as Rotor 53 trained expansion element, is present.
  • the axis 9 is on an axle support 34 provided, the axle support 34 by means of support arms 340 and 341 on a wall of the housing 10 is attached.
  • Fig. 12 shows a side view of a dry shaver with one Swivel axis Z pivotally mounted shaving head system, in which, for example, two Shaving heads SK1 and SK2 designed as short hair cutting systems parallel to each other in a frame 60 are arranged.
  • the frame 60 is provided with a shaving head frame 12, in which, for example, an upper knife 13 wraps around the two lower knives 2 or is movably clamped.
  • the embodiment of the shaving head system 12 essentially doubles the shaving head system according to FIG. 11, a side view of the embodiment according to FIG. 9 being shown in FIG. 12 and is described.
  • the upper knife 13 also in the middle, i.e. divided below the pivot axis Z and thus in two parts be executed.
  • the frame 60 is by means of bearing elements 63, 64 in the support elements 14, 15 of which are shown in Fig. 12, the bearing member 64 and the support member 15 to the Swivel axis Z pivotally mounted.
  • the fork-shaped, about an axis 9 pivotally mounted drive element 6 lies on the wall elements 20 of the lower knife 2 to set them in motion. That of the two End facing away from the lower arm of the double-armed drive element 6 lies with a running surface L extending transversely to the vertical center axis M on the surface of one Electric motor 11 via a motor shaft 55 driven rotor 53.
  • the side Extension of the tread LF is such that the drive of the lower knife via the drive elements 5 and 6 in the course of the entire pivoting movement of the pivotally mounted shaving head system about the pivot axis Z is guaranteed.
  • the embodiment according to FIG. 12 makes it clear that simply by adding further Fork ends on the drive elements 5 and 6 further shaving heads SK in a frame 60 provided and can be driven by the drive system described.
  • FIG. 13 shows the upper part of a dry shaving apparatus with one from the housing 10 removed shaving head frame 12, in which an upper knife 13 is attached, in perspective view.
  • the embodiment of the dry shaver according to Fig. 13 differs from the embodiments according to FIGS. 2 and 8 essentially in that the drive elements acting on the lower knives 1 and 2 by at least one swing bridge 500 with at least two movable in opposite directions Vibration elements 550 are formed.
  • the common upper knife 13 assigned lower cutters 1 and 2 are with the spring element 4 acting on them arranged movably on a common guide element 3.
  • the guide element 3 is mounted in support elements 14, 15, which in the housing 10 either in and spring mounted against the direction of arrow A - see Fig. 8 - or immovable are - see Fig. 1 -.
  • the Swinging bridge 500, holding elements 520 are provided for the spring elements 18 and 19, to the lower knife 1 and 2 with the required system pressure in the system to hold the common upper knife 13.
  • swing bridge 500 Further details of the swing bridge 500 will be explained in more detail with reference to FIGS. 14 and 15 explained.
  • Fig. 14 shows a swing bridge 500, consisting essentially of two in horizontal swing direction of the lower knife 1 and 2 extending swing planes 551 and 552, which are formed by a step-shaped shoulder 501 and rigid Web 573, 574, 575 with swing arms 570, 571 and 572 formed thereon Bars 573 and 574 with the swing arms 570 and 571 are on the upper swing plane 551 and the web 575 with the swing arm 572 on the swing plane 552 formed.
  • FIG. 15 shows two swing bridges 500, as previously described under FIG. 14, in Assembled state, each of these swing bridges 500 of an electric motor 11 and spreading elements 7 is driven.
  • the expansion element 7 consists for example of a double eccentric 700 with opposite to each other arranged eccentrics 701 and 702, each via a crank element 703 with the the lower vibration level 552 of the respective swing bridge facing the electric motor 11 500 are coupled to the due to the step-shaped paragraphs 501 in one horizontal plane oscillating vibration planes 551 and 552 opposite to drive each other, oscillating.
  • the driving forces of the drive elements 5 and 6 are shown in all and described embodiments symmetrical to the axis of symmetry of the intended Transfer the lower knife to the lower knife via the intended rolling curve.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)

Claims (49)

  1. Appareil de rasage à sec comportant un moteur électrique (11) disposé dans un boítier (10), et au moins une tête de coupe (SK), constituée par deux couteaux inférieurs (1,2), qui sont associés à un couteau supérieur commun (13) et qui sont disposés de manière à pouvoir être entraínés en des sens opposés par un élément d'entraínement (5,6), en tenant compte de la force d'au moins un élément de ressort (4,40,41) sur un élément de guidage commun (3), caractérisé en ce que l'élément de ressort (4,40,41) est également guidé sur l'élément de guidage commun (3), que l'élément de guidage (3) est monté dans des éléments de support (14,15) et que les couteaux inférieurs (1,2) peuvent être chargés au moyen d'éléments d'entraínement (5,6) déplaçables en des sens opposés.
  2. Appareil de rasage à sec selon la revendication 1, caractérisé en ce que l'élément de guidage (3) est formé par un axe (33).
  3. Appareil de rasage à sec selon l'une des revendications 1 ou 2, caractérisé en ce que l'élément de guidage (3) est monté avec les couteaux inférieurs (1,2) dans deux éléments de support (14,15).
  4. Appareil de rasage à sec selon la revendication 3, caractérisé en ce que l'élément de guidage (3) est monté de manière à être déplaçable dans les éléments de support (14,15).
  5. Appareil de rasage à sec selon la revendication 3 ou 4, caractérisé en ce que l'élément de guidage (3) est monté dans les éléments de support (14,15) de manière à être déplaçable dans une direction verticale (A).
  6. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que les éléments de support (14,15) sont montés élastiquement.
  7. Appareil de rasage à sec selon l'une des revendications 1 à 5, caractérisé en ce que les éléments de support (14,15) sont montés fixes sur le boítier (10).
  8. Appareil de rasage à sec selon l'une des revendications 1 à 3, caractérisé en ce que dans chacun des couteaux inférieurs (1,2) est prévu un élément de paroi (20,21,200,210) servant à supporter l'élément de ressort (4,40,41).
  9. Appareil de rasage à sec selon la revendication 8, caractérisé en ce qu'entre les deux couteaux inférieurs (1,2) est prévu un élément de ressort (4) qui agit en sens opposé du déplacement d'entraínement des éléments d'entraínement (5,6).
  10. Appareil de rasage à sec selon l'une des revendications 1 à 8, caractérisé en ce qu'à chaque couteau inférieur (1,2) est associé un élément de ressort (40,41), qui d'une part s'applique contre un élément de paroi (20,21,200,210) du couteau inférieur (1,2) et d'autre part est couplé à l'élément de guidage (3) selon une liaison de force ou selon une liaison par formes complémentaires.
  11. Appareil de rasage à sec selon la revendication 10, caractérisé en ce que le couplage selon une liaison de force de l'élément de ressort (40,41) à l'élément de guidage (3) est formé par une butée (22,23) située sur l'élément de guidage (3).
  12. Appareil de rasage à sec selon la revendication 10 ou 11, caractérisé en ce qu'il est prévu entre chaque élément de support (14,15) et la butée (22,23), voisine de cet élément, sur l'élément de guidage (3) une distance (S) qui exclut un contact de la butée (22,23) avec l'élément de support (14,15).
  13. Appareil de rasage à sec selon l'une des revendications 1 à 8, caractérisé en ce qu'à chaque couteau inférieur (1,2) est associé un élément de ressort (40,41), qui s'applique par une extrémité contre l'élément de paroi (20,21,200,210) du couteau inférieur (1,2) et par l'autre extrémité respective, contre un élément d'appui commun (26).
  14. Appareil de rasage à sec selon la revendication 13, caractérisé en ce que l'élément d'appui (26) peut être couplé avec autocentrage à l'élément de guidage (3).
  15. Appareil de rasage à sec selon la revendication 13 ou 14, caractérisé en ce que l'élément d'appui (26) est agencé sous la forme d'un étrier et est couplé à l'élément de guidage (3) à l'aide de paliers (29,30) prévus dans les deux extrémités (27,28) de l'étrier.
  16. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce qu'un élément de paroi (20,21,200,210) pour l'élément d'entraínement (5,6) est prévu dans chacun des couteaux inférieurs (1,2).
  17. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce qu'un élément de paroi (20,21) d'un couteau inférieur (1,2) peut être chargé d'une part par l'élément d'entraínement (5,6) et d'autre part par l'élément de ressort (4,40,41).
  18. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que l'élément de ressort (4,40,41) est agencé sous la forme d'un ressort de pression.
  19. Appareil de rasage à sec selon l'une des revendications 1 à 17, caractérisé en ce que l'élément de ressort (4,40,41) est agencé sous la forme d'un ressort de traction.
  20. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que l'élément d'entraínement (5,6) est agencé sous la forme d'un levier à un seul bras monté de manière à pouvoir pivoter autour d'un axe (8,9).
  21. Appareil de rasage à sec selon l'une des revendications 1 à 19, caractérisé en ce que l'élément d'entraínement (5,6) est agencé sous la forme d'un levier à deux bras monté de manière à pouvoir pivoter autour d'un axe (8,9).
  22. Appareil de rasage à sec selon l'une des revendications 20 ou 21, caractérisé en ce que l'axe (8,9) de l'élément d'entraínement monté pivotant (5,6) est prévu essentiellement sur une droite verticale (L), qui est déterminée par un prolongement imaginaire d'une surface de paroi plane d'un élément de paroi (20,21) d'un côté inférieur (1,2), qui est chargée par la came de roulement (31) et est orientée perpendiculairement à la direction de déplacement des couteaux inférieurs (1,2).
  23. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que l'élément d'entraínement (5,6) est agencé sous la forme d'un levier, qui agit par l'intermédiaire d'une came de roulement (31) sur un élément de paroi (20,21) du couteau inférieur (1,2).
  24. Appareil de rasage à sec selon la revendication 23, caractérisé en ce que la came de roulement (31) est prévue sur le levier.
  25. Appareil de rasage à sec selon la revendication 23, caractérisé en ce que la came de roulement (31) est prévue sur l'élément de paroi (20,21) du couteau inférieur (1,2).
  26. Appareil de rasage à sec selon l'une des revendications 1 à 25, caractérisé en ce que la came de roulement (31) est agencée avec une forme symétrique.
  27. Appareil de rasage à sec selon l'une des revendications 1 à 25, caractérisé en ce que la came de roulement (31) est agencée avec une forme dissymétrique.
  28. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que l'élément d'entraínement (5,6) est agencé sous la forme d'un étrier oscillant (50).
  29. Appareil de rasage à sec selon la revendication 28, caractérisé en ce que l'élément d'entraínement (5,6) est formé par au moins deux étriers oscillants identiques (500) comportant des éléments oscillants (550) prévus de manière à osciller en des sens mutuellement opposés.
  30. Appareil de rasage à sec selon la revendication 29, caractérisé en ce qu'il est prévu un étrier oscillant (500) comportant au moins deux éléments oscillants (550) déplacés en des sens opposés.
  31. Appareil de rasage à sec selon la revendication 29 ou 30, caractérisé en ce que l'élément oscillant (550) d'un étrier oscillant (500) est divisé au moyen d'un épaulement en forme de partie étagée (501) en deux plans d'oscillation (551,552).
  32. Appareil de rasage à sec selon l'une des revendications 28 à 31, caractérisé en ce que sur chaque élément oscillant (550) d'un étrier oscillant (500) est prévu au moins un élément (505) de transmission de déplacement, qui peut agir sur un couteau inférieur (1,2).
  33. Appareil de rasage à sec selon la revendication 32, caractérisé en ce que les éléments oscillants (550) déplaçables en des sens opposés, d'un étrier oscillant (500) peuvent être entraínés au moyen d'un élément d'écartement (7), par un moteur électrique (11).
  34. Appareil de rasage à sec selon la revendication 33, caractérisé en ce que l'élément d'écartement (7) est formé par un excentrique double (700) comportant des excentriques (701,702) prévus de manière à être mutuellement opposées.
  35. Appareil de rasage à sec selon la revendication 34, caractérisé en ce que les excentriques (701,702) peuvent être couplés directement ou indirectement à un élément oscillant respectif (550).
  36. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce qu'un élément d'écartement (7) entraíné par un moteur électrique (11) est prévu entre les deux extrémités voisines (51,52) des éléments d'entraínement (5,6) montés de manière à pouvoir pivoter autour des axes (8,9).
  37. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que le moteur électrique (11) est formé par un moteur à courant continu.
  38. Appareil de rasage à sec selon la revendication 36 ou 37, caractérisé en ce que l'élément d'écartement (7) est formé par un rotor (53) comportant une piste de guidage elliptique (F) pour les éléments d'entraínement (5,6).
  39. Appareil de rasage à sec selon la revendication 36, caractérisé en ce que l'élément d'écartement (7) est formé par un dispositif d'entraínement à manivelle (54).
  40. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que les couteaux inférieurs (8) sont appliqués sur le couteau supérieur (13) à l'aide d'au moins un élément de ressort (18,19).
  41. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que les couteaux inférieurs (1,2) sont appliqués contre le couteau supérieur (13) à l'aide d'un montage élastique des éléments de support (14,15).
  42. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que chaque couteau inférieur (1,2) est appliqué contre le couteau supérieur (13) à l'aide d'au moins un élément de ressort (18,19) qui s'applique contre une paroi du boítier.
  43. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que le couteau supérieur (12) est monté de manière à être déplaçable.
  44. Appareil de rasage à sec selon la revendication 43, caractérisé en ce que le couteau supérieur (13) est monté de manière à pouvoir pivoter.
  45. Appareil de rasage à sec selon la revendication 43, caractérisé en ce que le couteau supérieur (13) est monté de manière à flotter dans la direction verticale (A).
  46. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que l'élément de ressort (4,40,41) est disposé sur la piste de guidage (3) formé par un axe (33).
  47. Appareil de rasage à sec selon l'une des revendications précédentes, caractérisé en ce que l'élément de guidage (3) est retenu dans un cadre (60) monté dans les éléments de support (14,15).
  48. Appareil de rasage à sec selon la revendication 47, caractérisé en ce que le cadre (60) est monté de manière à pouvoir pivoter dans les éléments de support (14,15).
  49. Appareil de rasage à sec selon la revendication 47, caractérisé en ce que l'élément de guidage (3) est monté flottant dans le cadre (60).
EP96934666A 1995-11-18 1996-10-12 Rasoir electrique Expired - Lifetime EP0861141B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19543095A DE19543095C1 (de) 1995-11-18 1995-11-18 Trockenrasierapparat
DE19543095 1995-11-18
PCT/EP1996/004453 WO1997018929A1 (fr) 1995-11-18 1996-10-12 Rasoir electrique

Publications (2)

Publication Number Publication Date
EP0861141A1 EP0861141A1 (fr) 1998-09-02
EP0861141B1 true EP0861141B1 (fr) 2002-04-17

Family

ID=7777834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96934666A Expired - Lifetime EP0861141B1 (fr) 1995-11-18 1996-10-12 Rasoir electrique

Country Status (7)

Country Link
US (1) US6151780A (fr)
EP (1) EP0861141B1 (fr)
JP (1) JP2000500370A (fr)
CN (1) CN1103661C (fr)
AT (1) ATE216306T1 (fr)
DE (2) DE19543095C1 (fr)
WO (1) WO1997018929A1 (fr)

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JP3972903B2 (ja) * 2003-12-26 2007-09-05 松下電工株式会社 電気かみそり
CN100575007C (zh) * 2005-01-03 2009-12-30 皇家飞利浦电子股份有限公司 毛发修剪装置和用于该装置的刀具组件
JP4953221B2 (ja) * 2005-03-18 2012-06-13 九州日立マクセル株式会社 電気かみそり
DE102006004675A1 (de) * 2006-02-02 2007-08-09 Braun Gmbh Elektrisch betriebener Rasierer
DE102006010323A1 (de) * 2006-03-07 2007-09-13 Braun Gmbh Trockenrasierer mit schwenkbarem Scherkopf
DE102006030946A1 (de) 2006-07-05 2008-01-10 Braun Gmbh Schereinheit für einen Trockenrasierer
JP4595967B2 (ja) * 2007-07-12 2010-12-08 パナソニック電工株式会社 往復式電気かみそりの刃
DE102008024785A1 (de) * 2008-05-23 2009-11-26 Wella Aktiengesellschaft Elektrische Haarschneidemaschine
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JP5929241B2 (ja) 2012-01-30 2016-06-01 ミツミ電機株式会社 アクチュエーター及び電動理美容器具
JP5958910B2 (ja) * 2012-11-30 2016-08-02 パナソニックＩｐマネジメント株式会社 頭皮ケア装置
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JP6659951B2 (ja) 2016-03-31 2020-03-04 ミツミ電機株式会社 アクチュエータ及び電動理美容器具
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JP6876506B2 (ja) * 2017-04-27 2021-05-26 マクセルホールディングス株式会社 電気かみそり
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WO2023040944A1 (fr) * 2021-09-16 2023-03-23 江苏美的清洁电器股份有限公司 Appareil de coupe, dispositif de nettoyage, station de base de nettoyage, et système et procédé de nettoyage

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Also Published As

Publication number Publication date
CN1103661C (zh) 2003-03-26
WO1997018929A1 (fr) 1997-05-29
DE19543095C1 (de) 1997-06-05
ATE216306T1 (de) 2002-05-15
US6151780A (en) 2000-11-28
EP0861141A1 (fr) 1998-09-02
CN1202126A (zh) 1998-12-16
JP2000500370A (ja) 2000-01-18
DE59609106D1 (de) 2002-05-23

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