EP1488894B1 - Razor cartridge - Google Patents

Razor cartridge Download PDF

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Publication number
EP1488894B1
EP1488894B1 EP04013932A EP04013932A EP1488894B1 EP 1488894 B1 EP1488894 B1 EP 1488894B1 EP 04013932 A EP04013932 A EP 04013932A EP 04013932 A EP04013932 A EP 04013932A EP 1488894 B1 EP1488894 B1 EP 1488894B1
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EP
European Patent Office
Prior art keywords
razor blade
blade unit
handle
unit according
connecting element
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.)
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Application number
EP04013932A
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German (de)
French (fr)
Other versions
EP1488894A1 (en
Inventor
Franz Holzknecht
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.)
Feintechnik GmbH Eisfeld
Original Assignee
Feintechnik GmbH Eisfeld
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
Application filed by Feintechnik GmbH Eisfeld filed Critical Feintechnik GmbH Eisfeld
Priority to EP07109567.3A priority Critical patent/EP1847360B9/en
Priority to PL04013932T priority patent/PL1488894T4/en
Publication of EP1488894A1 publication Critical patent/EP1488894A1/en
Application granted granted Critical
Publication of EP1488894B1 publication Critical patent/EP1488894B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/52—Handles, e.g. tiltable, flexible
    • B26B21/521—Connection details, e.g. connection to razor heads

Definitions

  • the invention relates to a razor blade unit for a razor with the features specified in the preamble of claim 1.
  • a blade unit which has a support structure with a neck shape which can be produced separately from the handle and which can be connected as an attachment part to the handle.
  • This neck-shaped portion is formed as a flexible resilient plastic joint and made of a material which is more flexible than that of the housing of the blade unit and that of the housing of the coupling part connected to the shaft.
  • the blade unit thus formed is made of plastic, either by two-component injection molding or from the same plastic.
  • For easier pivoting of the head of the neck-shaped portion may also have constrictions. The total bending forces act on a relatively narrow transfer zone, so that a break can not be excluded during prolonged use due to bending stress.
  • a hand shaver is known in which the handle or the grip and the blade unit are made in one piece from plastic. Again, a neck-shaped transition part is provided following the handle, which merges into the width of the blade unit.
  • the parts are made of plastic, wherein the transition region is preferably made of resilient plastic and is dimensioned so that a resilient deflection at least in one axial plane, namely up and down or forward and backward, is possible, so that during shaving an automatic adjustment of the inclination angle adjustment of the razor blade unit the body surface to be shaved takes place.
  • the bending loads concentrate here on a very weak area in the transition area.
  • One in the structure same razor is from the US 3,823,471 known.
  • the specified there, having a substantially rectangular cross-section handle has in the front region on a neck-shaped, flexible, resilient intermediate portion, so that the attached receiving head for the razor blade can be pivoted in a direction plane relative to the handle.
  • the provision is made by the spring force of the transition part.
  • a razor with a neck-shaped transition part which is divided and whose two parts are inserted and embedded in a flexible plastic part.
  • This plastic part is dimensioned so that a movement of the other neck portion with the attached blade unit in three axial directions is possible, namely in the X, Y and Z-axis direction.
  • the disadvantage of the separation of the neck on the one hand and on the other through the connection by means of interposed plastic foam body is obvious, since the end portions must be set with a sufficient depth in the plastic foam body, which inevitably leads to a greater length of the neck, if a slight deflection is desired. With a short plastic intermediate body practically no desired spring effect can be achieved.
  • Handles or shanks with a flexible transition part are still known in toothbrushes.
  • the EP 0 429 174 B1 a razor handle, which has a flexible, resilient, molded by wave shaping neck portion between razor blade unit and handle, which also allows a deflection in the X, Y direction.
  • a wet razor with a handle and a fixed or releasably connected to the handle razor head is known in which the handle has a widening in the direction of the razor head front, a narrow handle designed as a transition part and a formed in the form of a long drip handle part, the at least Having a curved in the longitudinal and transverse direction, having applied to the palm while holding the handle bar by means of thumb and forefinger surface formation.
  • the handle with front part is made of plastic one-piece and non-elastic.
  • recesses are provided in a variant at the top of the transition part, which extend into the front part of the handle.
  • the recesses which have certain contours, are filled with a soft, non-slip material. A spring function does not apply to this insert.
  • a disposable razor comprising a handle, a blade unit with at least one blade, and an elastic connection between the handle and the blade unit.
  • the elastic connection is formed as an arcuate line between the handle and the blade unit, whereby the blade unit can be secured to the resilient connection such that at least one blade is positioned in a plane perpendicular to a plane parallel to the arcuate line of the resilient connection runs.
  • the elastic connection is realized in the form of a double arcuate line, wherein the connection contains the same material as the handle and in a variant a second material with a second spring characteristic. The compound is very complex and allows a resilient effect over the bow forward and backward.
  • the DE 299 21 556 U1 is a wet shaver with extended grip, wherein between the shaving plane and the handle longitudinal axis an angle is given, which is dimensioned so that a shave even at a small distance from the leading hand and shaving surface in a certain angular range is made possible.
  • a resilient transition part is not provided here.
  • a wet shaver with laterally attachable injector with interchangeable blade known, the blade between a rigid upper and a resiliently pressed to the former lower blade clamping plate is held and the rigid upper blade clamping plate terminates in a handle part.
  • the pressing of the lower blade clamping plate against the upper takes place by a second handle part, which is formed with the blade clamping plate directly cooperating part as an elastically deformable element, wherein a grip sleeve surrounds the two handle parts together and holds together.
  • the resilient blade clamping plate is used only for fixing the blade, not for flexible storage of the blade holder on the handle.
  • the handle and the upper blade chuck plate are rigid and not flexibly coupled together.
  • JP 11 300 065 A From the JP 11 300 065 A is a wet razor with a connector part with frontal bayonet lock known on a spring bearing journal of a handle part snapped and held secured by rotation of the handle.
  • the connector part to which the blade carrier is attached is not elastic.
  • a razor blade unit with a blade carrier is known, which is held by means of a form spring to a handle by insertion into a storage chamber. During the shaving operation, the razor blade unit is displaceable backwards against the force of a zero-position spring which is furthermore provided on the handle.
  • the invention is based on the object, a razor of the generic type so that the blade unit can be produced with the connector part as a unit whose flexible resilient connection part is optionally interpretable and the bending and spring forces are transmitted over a large area ,
  • Another object is to provide a simply structured razor blade unit which is inexpensive to produce and meets the highest standards of shaving quality.
  • plug connector part, blade carrier and the connecting part form a unit.
  • This unit is manufactured in a known manner from plastic by injection molding in a mold, the connecting member itself but is so flexible that it does not have the necessary for shaving strength for power transmission from the handle to the blade carrier, but has virtually only a connection function. It only serves for static connection, without significantly determining the spring characteristic.
  • the spring characteristic is achieved by a reinforcement of the connecting part by a further resilient plastic component, which preferably consists of a foamed plastic or of such with an elastic structure.
  • the connecting part can be embedded on one or more sides or else completely enclosed. In principle, the plastic component may be provided at the top or at the bottom of the connecting part.
  • the connecting part In any case, it must enclose the connecting part, adhere to it and connect the blade carrier with the connector part. This is done by introducing the plastic into a mold enclosing this transition region by means of a two-component injection process.
  • the plastic component since a plastic with network structure can be used here, relatively large area and / or voluminous be applied.
  • the transition region as such can be adapted in shape, in the approach to the blade carrier and in the connector part go over and stick to it, while the desired bending and spring characteristic is guaranteed.
  • the main contact plane of the razor blade unit on the shaving surface for example the cheek of a face, thereby extends through an embodiment of the transition part at an acute angle to the handle.
  • the handle is ergonomically shaped and can also be relatively short, so that the transition part and / or the connector part can be used as a handle with.
  • the plug connection part expediently has an outer contour in the end section, which corresponds to the adjoining handle part, so that a smooth transition is provided.
  • a blind-hole-shaped receptacle for a coupling part can be introduced or, alternatively, an extension projecting a coupling projection, which is insertable into a corresponding blind hole-shaped receptacle in the handle.
  • the blind hole-shaped receptacle should be incorporated in the connector part and the peg-shaped coupling part are located on the handle.
  • the reinforced connecting part has a defined bending and spring characteristic in at least one axial direction.
  • the flexible plastic component may stretch in a mathematically positive direction of action relative to the main contact plane of the razor blade unit on the shaving surface as a result of a torque exerted on the handle and compressed by moments in a mathematically negative direction of action. If the plastic component is below or substantially below the connecting part and practically fills the acute angle between the handle and the blade carrier, the structure of a spring action is effected by stretching and compression, whereby the razor blade unit the contour of the surface to be shaved essentially follows and a desired constant cutting angle between razor blade and shaving surface is ensured.
  • the blade carrier is formed relatively wide relative to the connector part.
  • the width is about 25 mm to about 40 mm, while the width of the connector part is only about 8 mm to about 10 mm.
  • the connecting part itself may have a width of a few mm or else be designed as a bending bar.
  • the handiness and the springy characteristic is determined by the relatively large-volume resilient plastic component.
  • the connecting part can also be completely surrounded by the plastic component, depending on the design of the blade carrier. Furthermore, should allow only a short pivoting in the lateral direction by the shape of the plastic component of the spring travel and the spring characteristic in forward and backward movement a larger pivoting.
  • the given flexibility and the angular arrangement of blade carrier and handle ensures that the dependence between the contour of the surface to be shaved and the trajectory of the user is optimized.
  • the plastic used for the production of the flexible plastic component can also be used as a foam edge on the blade unit.
  • at least one channel is introduced into the blade carrier, namely continuously, which opens at the front of the blade carrier in the region of the lower edge in a transverse groove or in a plurality of parallel transverse grooves.
  • the introduced second plastic can thereby penetrate the channel (s) and form in the transverse groove (s) to form a desired profiled foam edge.
  • the tool corresponding Must have recordings and recesses.
  • a desired foam edge and the desired plastic spring can be produced on the connecting part.
  • the bearing openings or the bearing shoulder or the coupling part should have adapted cross sections, which may be square, rectangular, polygonal, elliptical or another asymmetrical shape. If you want to dispense with the interchangeability, for example, with disposable razors, a separation from the handle is not required. For this case, it is provided that the handle of the shaver and the blade unit are made in one piece, so there is a permanent connection.
  • the blade unit may comprise a plurality of blades in a known manner, further lateral guide and limiting frame.
  • the blade carrier may consist of two housing parts which are positively or positively connected with each other, for. B. by latching or welding connections, bonding and the like.
  • the blades can be preassembled on spacers and inserted into correspondingly provided lateral or head-side openings. But it is also possible to attach the razor blades directly to the razor blade carrier by injecting.
  • a sliding layer or a sliding strip can also be introduced in a known manner at the upper transverse edge of the housing or the blade carrier.
  • the single FIGURE shows a blade holder 1 with a rear transverse projection 9, which tapers towards the center and merges into the relatively narrow connecting part 6, which is followed by a connector part 3.
  • This combination is made in one piece and made of a first plastic.
  • the blade carrier 1 also has bearings for e.g. three blades 2 and side frame members 17.
  • the carrier 1 can be designed for one and / or several blades 2.
  • the blades 2 protrude from the main contact plane 8. This runs at a relatively acute angle ⁇ , almost parallel to the longitudinal axis of the handle 5, of which only the upper part is shown.
  • the connecting part 6 has a taper, so that virtually a film hinge is provided which allows a relative bending movement of the blade carrier relative to the connector part - depending on the width - at least in two axial planes (X, Y) ,
  • a plastic component 7, z As a TPE component, introduced in the two-component injection molding. The width and the shape and the material properties of the material used this plastic component. 7 determine the spring characteristic of the combined connecting part 6, 7.
  • the combined connecting part 6, 7 is attached to the blade carrier 1 in the lower region, so that when shaving a force is given in the desired manner and, depending on the position of the handle 5, a desired investment the main guide level 8 is given with the blades 2 on the shaving surface.
  • channels 11 are introduced in the lower region near the lower edge, through which the material of the plastic component 7 can flow into a provided transverse groove 12 in the two-component injection molding process. Due to the shape used during insertion, it is thus possible to build in the transverse groove 12 at the same time also a profiled foam edge of the same material.
  • the coupling part 4 is suitably made of plastic and z. B. made in one piece from the handle above and consists in the embodiment of two resilient walls which are substantially parallel and are connected to each other above a transverse wall. One wall has an outwardly projecting locking lug 14, which engages in a recess 15 in the upper wall of the connector 3.
  • the connector 3 is removable from the coupling part 4 or herunterschiebbar. For ease of pushing down a sliding release is provided with a slide button 16 projecting on top, which is eg pushed with the thumb upwards.
  • the sliding pressure surface engages under the front edge of the connector 3 and pushes it up while displacement of the locking lug 14 from the recess 15.
  • the locking lug 14 bevels on which, with the edges of the Rast bebruches 15th and cooperate with the inner edge of the upper wall of the connector 3 when plugging.
  • the upper wall of the coupling part 4 is designed by elastic deformation.
  • the feed stroke of the slide button 16 is limited by a stop guide 18 on the walls of the coupling part 3.
  • an embodiment of the plug-in extension can be provided with an ejection function.
  • the invention is not limited only to illustrated embodiment.
  • the skilled person opens the mediated doctrine manifold constructive embodiments, in particular as regards the formation of the additional plastic component 6 and the connection with the handle 5.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Dry Shavers And Clippers (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The unit has a blade carrier (1) with blade (2) and plug connector (3) for a coupling part (4) on a hand grip (5). Blade carrier and plug connector are connected by a flexible part (6) and are an integral plastic part. An additional flexible plastic component (7) is formed around the connection, so that the reinforced connection part has defined bending and spring characteristics in at least two axial directions. The flexible component is stretched by a momentum in mathematically positive direction, applied via the grip, relative to the main contact surface (8) of the razor unit on the shaved surface, and is upset by a momentum in mathematically negative direction.

Description

Die Erfindung betrifft eine Rasierklingeneinheit für einen Rasierapparat mit den im Oberbegriff des Anspruchs 1 angegebenen Merkmalen.The invention relates to a razor blade unit for a razor with the features specified in the preamble of claim 1.

Aus dem deutschen Gebrauchsmuster DE 297 23 430 U1 und aus DE 297 23 518 U1 , Figuren 21 und 22, ist eine Klingeneinheit bekannt, die eine von dem Griff getrennt herstellbare Tragestruktur mit Halsform aufweist, die als Ansteckteil mit dem Griff verbindbar ist. Dieser halsförmige Abschnitt ist als flexibles federndes Kunststoffgelenk ausgebildet und aus einem Material hergestellt, das flexibler ist als das des Gehäuses der Klingeneinheit und das des Gehäuses des mit dem Schaft verbundenen Kopplungsteils. Die so gebildete Klingeneinheit wird aus Kunststoff, entweder im Zweikomponentenspritzverfahren oder aus ein- und demselben Kunststoff, hergestellt. Zur leichteren Schwenkbarkeit des Kopfes kann der halsförmige Abschnitt auch Einschnürungen aufweisen. Die gesamten Biegekräfte wirken auf eine relativ schmale Übertragungszone, so dass bei längerer Benutzung infolge von Biegewechselbelastungen ein Bruch nicht auszuschließen ist.From the German utility model DE 297 23 430 U1 and from DE 297 23 518 U1 FIGS. 21 and 22, a blade unit is known which has a support structure with a neck shape which can be produced separately from the handle and which can be connected as an attachment part to the handle. This neck-shaped portion is formed as a flexible resilient plastic joint and made of a material which is more flexible than that of the housing of the blade unit and that of the housing of the coupling part connected to the shaft. The blade unit thus formed is made of plastic, either by two-component injection molding or from the same plastic. For easier pivoting of the head of the neck-shaped portion may also have constrictions. The total bending forces act on a relatively narrow transfer zone, so that a break can not be excluded during prolonged use due to bending stress.

Aus der US-5,771,591 ist ein Handrasierapparat bekannt, bei dem der Griff bzw. der Griffschaft und die Klingeneinheit einteilig aus Kunststoff hergestellt sind. Auch hier ist im Anschluss an den Handgriff ein halsförmiges Übergangsteil vorgesehen, das in die Breite der Klingeneinheit übergeht. Die Teile sind aus Kunststoff gefertigt, wobei der Übergangsbereich vorzugsweise aus federndem Kunststoff besteht und so dimensioniert ist, dass eine federnde Auslenkung mindestens in einer Achsenebene, nämlich nach oben und nach unten bzw. nach vorn und nach hinten, möglich ist, damit beim Rasieren eine automatische Anpassung der Neigungswinkelverstellung der Rasierklingeneinheit an die zu rasierende Körperfläche erfolgt. Die Biegebelastungen konzentrieren sich auch hier auf einen sehr schwachen Bereich im Übergangsbereich.From the US 5,771,591 a hand shaver is known in which the handle or the grip and the blade unit are made in one piece from plastic. Again, a neck-shaped transition part is provided following the handle, which merges into the width of the blade unit. The parts are made of plastic, wherein the transition region is preferably made of resilient plastic and is dimensioned so that a resilient deflection at least in one axial plane, namely up and down or forward and backward, is possible, so that during shaving an automatic adjustment of the inclination angle adjustment of the razor blade unit the body surface to be shaved takes place. The bending loads concentrate here on a very weak area in the transition area.

Ein in der Struktur gleicher Rasierapparat ist aus der US-3,823,471 bekannt. Der dort angegebene, im Wesentlichen einen rechteckförmigen Querschnitt aufweisende Griff weist im vorderen Bereich einen halsförmigen, flexiblen, federnden Zwischenabschnitt auf, so dass der daran befestigte Aufnahmekopf für die Rasierklinge sich in einer Richtungsebene gegenüber dem Handgriff verschwenken lässt. Die Rückstellung erfolgt durch die Federkraft des Übergangsteils.One in the structure same razor is from the US 3,823,471 known. The specified there, having a substantially rectangular cross-section handle has in the front region on a neck-shaped, flexible, resilient intermediate portion, so that the attached receiving head for the razor blade can be pivoted in a direction plane relative to the handle. The provision is made by the spring force of the transition part.

Aus der US-5,560,106 ist ferner ein Rasierapparat mit einem halsförmigen Übergangsteil bekannt, der geteilt ist und dessen beide Teile in ein flexibles Kunststoffteil eingesetzt und eingebettet sind. Dieses Kunststoffteil ist so dimensioniert, dass eine Bewegung des weiteren Halsabschnittes mit der angesetzten Klingeneinheit in drei Achsenrichtungen möglich ist, nämlich in X-, Y- und Z-Achsenrichtung. Der Nachteil, der durch die Trennung des Halses zum einen und zum anderen durch die Verbindung mittels zwischengefügten Kunststoffschaumkörpers gegeben ist, ist offensichtlich, da die Endabschnitte mit einer ausreichenden Tiefe im Kunststoffschaumkörper festgelegt werden müssen, was zwangsläufig zu einer größeren Länge des Halses führt, wenn eine leichte Ausbiegung gewünscht ist. Bei kurzem Kunststoffzwischenkörper ist praktisch keine gewünschte Federwirkung erzielbar.From the US 5,560,106 Further, a razor with a neck-shaped transition part is known, which is divided and whose two parts are inserted and embedded in a flexible plastic part. This plastic part is dimensioned so that a movement of the other neck portion with the attached blade unit in three axial directions is possible, namely in the X, Y and Z-axis direction. The disadvantage of the separation of the neck on the one hand and on the other through the connection by means of interposed plastic foam body, is obvious, since the end portions must be set with a sufficient depth in the plastic foam body, which inevitably leads to a greater length of the neck, if a slight deflection is desired. With a short plastic intermediate body practically no desired spring effect can be achieved.

Handgriffe bzw. Schäfte mit einem flexiblen Übergangsteil sind weiterhin bei Zahnbürsten bekannt. Ferner weist die EP 0 429 174 B1 einen Rasierapparathandgriff auf, der zwischen Rasierklingeneinheit und Griff einen flexiblen, federnden, durch Wellenformgebung geprägten Halsabschnitt aufweist, der ebenfalls eine Auslenkung in X-, Y-Richtung ermöglicht.Handles or shanks with a flexible transition part are still known in toothbrushes. Furthermore, the EP 0 429 174 B1 a razor handle, which has a flexible, resilient, molded by wave shaping neck portion between razor blade unit and handle, which also allows a deflection in the X, Y direction.

Aus der DE 295 11 444 U ist ein Nassrasierer mit einem Handgriff und einem mit dem Handgriff fest oder lösbar verbundenen Rasierapparatekopf bekannt, bei dem der Handgriff ein sich in Richtung des Rasierapparatekopfes verbreiterndes Vorderteil, ein schmales als Griffleiste ausgebildetes Übergangsteil und ein in Form eines langgezogenen Tropfens gebildetes Griffteil aufweist, das mindestens eine in Längs- und Querrichtung gewölbte, sich an die Handinnenseite beim Festhalten der Griffleiste mittels Daumen und Zeigefinger angelegte Oberflächenausbildung aufweist. Der Handgriff mit Vorderteil ist aus Kunststoff einteilig gefertigt und nichtelastisch ausgebildet. Zur Unterstützung der Greif- und Haltefunktion mittels Daumen und Zeigefinger sind in einer Variante an der Oberseite des Übergangsteils Aussparungen vorgesehen, die sich bis in das Vorderteil des Handgriffes erstrecken. Die Aussparungen, die bestimmte Konturen aufweisen, sind mit einem weichen, griffigen Werkstoff gefüllt. Eine Federfunktion kommt dieser Einlage nicht zu.From the DE 295 11 444 U a wet razor with a handle and a fixed or releasably connected to the handle razor head is known in which the handle has a widening in the direction of the razor head front, a narrow handle designed as a transition part and a formed in the form of a long drip handle part, the at least Having a curved in the longitudinal and transverse direction, having applied to the palm while holding the handle bar by means of thumb and forefinger surface formation. The handle with front part is made of plastic one-piece and non-elastic. To support the gripping and holding function by means of thumb and index finger recesses are provided in a variant at the top of the transition part, which extend into the front part of the handle. The recesses, which have certain contours, are filled with a soft, non-slip material. A spring function does not apply to this insert.

Aus der DE 696 11 838 T2 ist ein Wegwerfrasierer, enthaltend einen Griff, eine Klingeneinheit mit mindestens einer Klinge und eine elastische Verbindung zwischen Griff und der Klingeneinheit, bekannt. Die elastische Verbindung ist als bogenförmige Linie zwischen dem Griff und der Klingeneinheit ausgeformt, wobei die Klingeneinheit so an der elastischen Verbindung befestigt werden kann, dass mindestes eine Klinge in einer Ebene positioniert wird, die senkrecht zu einer parallel zur bogenförmigen Linie der elastischen Verbindung verlaufenden Ebene verläuft. Die elastische Verbindung ist in Form einer doppelt bogenförmigen Linie realisiert, wobei die Verbindung das gleiche Material wie der Griff enthält und in einer Variante ein zweites Material mit einer zweiten Federcharakteristik. Die Verbindung ist sehr komplex ausgebildet und gestattet eine federelastische Wirkung über den Bogen vorwärts und rückwärts.From the DE 696 11 838 T2 is a disposable razor comprising a handle, a blade unit with at least one blade, and an elastic connection between the handle and the blade unit. The elastic connection is formed as an arcuate line between the handle and the blade unit, whereby the blade unit can be secured to the resilient connection such that at least one blade is positioned in a plane perpendicular to a plane parallel to the arcuate line of the resilient connection runs. The elastic connection is realized in the form of a double arcuate line, wherein the connection contains the same material as the handle and in a variant a second material with a second spring characteristic. The compound is very complex and allows a resilient effect over the bow forward and backward.

Die DE 299 21 556 U1 gibt einen Nassrasierer mit verlängertem Griff an, bei dem zwischen der Rasierebene und der Grifflängsachse ein Winkel vorgegeben ist, der so dimensioniert ist, dass eine Rasur auch bei einem kleinen Abstand von führender Hand und Rasierfläche in einem bestimmten Winkelbereich ermöglich wird. Ein federelastischer Übergangsteil ist hier nicht vorgesehen.The DE 299 21 556 U1 is a wet shaver with extended grip, wherein between the shaving plane and the handle longitudinal axis an angle is given, which is dimensioned so that a shave even at a small distance from the leading hand and shaving surface in a certain angular range is made possible. A resilient transition part is not provided here.

Aus der DE-AS 12 70 446 ist ein Nassrasierer mit seitlich ansetzbarem Injektor mit auswechselbarer Klinge bekannt, wobei die Klinge zwischen einem starren oberen und einer federnd an die erstere angepressten unteren Klingenspannplatt gehalten ist und die starre obere Klingenspannplatte in einen Griffteil ausläuft. Die Anpressung der unteren Klingenspannplatte gegen die obere erfolgt durch einen zweiten Griffteil, dessen mit der Klingenspannplatte unmittelbar zusammenwirkenden Teil als elastisch deformierbares Element ausgebildet ist, wobei eine Griffhülse die beiden Griffteile gemeinsam umschließt und zusammenhält. An den zusammenwirkenden Flächen der Griffteile und der Griffhülse sind Verriegelungselemente vorgesehen. Die federnde Klingenspannplatte dient ausschließlich zur Fixierung der Klinge, nicht zur flexiblen Lagerung des Klingenhalters an dem Griff. Der Griff und die obere Klingenspannplatte sind starr ausgebildet und nicht flexibel miteinander gekoppelt.From the DE-AS 12 70 446 is a wet shaver with laterally attachable injector with interchangeable blade known, the blade between a rigid upper and a resiliently pressed to the former lower blade clamping plate is held and the rigid upper blade clamping plate terminates in a handle part. The pressing of the lower blade clamping plate against the upper takes place by a second handle part, which is formed with the blade clamping plate directly cooperating part as an elastically deformable element, wherein a grip sleeve surrounds the two handle parts together and holds together. At the cooperating surfaces of the handle parts and the grip sleeve locking elements are provided. The resilient blade clamping plate is used only for fixing the blade, not for flexible storage of the blade holder on the handle. The handle and the upper blade chuck plate are rigid and not flexibly coupled together.

Aus der JP 11 300 065 A ist ein Nassrasierer mit einem Steckverbindungsteil mit stirnseitigem Bajonettverschluss bekannt, der auf einem Federlagerzapfen eines Griffteils aufgerastet und durch Drehung an dem Griff gesichert gehalten wird. Der Steckverbindungsteil, an dem der Klingenträger befestigt ist, ist nichtelastisch ausgebildet.From the JP 11 300 065 A is a wet razor with a connector part with frontal bayonet lock known on a spring bearing journal of a handle part snapped and held secured by rotation of the handle. The connector part to which the blade carrier is attached is not elastic.

Aus der US 4,413,411 ist eine Rasierklingeneinheit mit einem Klingenträger bekannt, an dem ein Aufrastverbinder aufgebracht ist, der auf einen Rastzapfen an einem Griff aufrastbar ist. Durch ein auf den Griffteil aufgesetzten Schieber lässt sich der Aufrastteil von der Rastverbindung wieder abschieben.From the US 4,413,411 a razor blade unit with a blade carrier is known, to which a latching connector is applied, which can be latched onto a latching pin on a handle. By a patch on the handle slide, the Aufrastteil of the latching connection can be pushed off again.

Aus der EP 0 357 820 A1 ist eine Rasierklingeneinheit mit einem Klingenträger bekannt, der mittels einer Formfeder an einem Griff durch Einstecken in eine Lagerkammer gehalten ist. Während des Rasiervorganges ist die Rasierklingeneinheit nach hinten entgegen der Kraft einer weiterhin am Griff vorgesehenen Nulllagenfeder verschiebbar.From the EP 0 357 820 A1 a razor blade unit with a blade carrier is known, which is held by means of a form spring to a handle by insertion into a storage chamber. During the shaving operation, the razor blade unit is displaceable backwards against the force of a zero-position spring which is furthermore provided on the handle.

Aus der GB 2 139 541 A ist ein starrer Griff mit Übergangsteil zu einer Rasierklingeneinheit eines Nassrasierers bekannt, der Aufnahmen für einen Griffbelag an der Oberseite aufweist. Dieser Belag hat keine Federfunktion.From the GB 2 139 541 A a rigid handle with transition part to a razor blade unit of a wet shaver is known, which has recordings for a handle covering on the top. This rubber has no spring function.

Aus der DE 28 51 457 A1 ist ein Einsatz für einen Rasierapparat mit einer Klingenauflage, einer Rasierklinge und einer Kappe bekannt, bei der unterhalb der Rasierklinge ein integrales festes oder wasserlösliches Rasierhilfsmittel vorgesehen ist.From the DE 28 51 457 A1 there is known an insert for a razor with a blade support, a razor blade and a cap in which an integral solid or water-soluble shaving aid is provided beneath the razor blade.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zu Grunde, einen Rasierapparat der gattungsgemäßen Art so weiterzubilden, dass die Klingeneinheit mit dem Steckverbindungsteil als eine Einheit herstellbar ist, deren flexibler federnder Verbindungsteil wahlweise auslegbar ist und die Biege- sowie Federkräfte großflächig übertragen werden. Ein weiteres Ziel ist es, eine einfach strukturierte Rasierklingeneinheit anzugeben, die preiswert herstellbar ist und höchsten Ansprüchen an die Rasurqualität gerecht wird.Based on this prior art, the invention is based on the object, a razor of the generic type so that the blade unit can be produced with the connector part as a unit whose flexible resilient connection part is optionally interpretable and the bending and spring forces are transmitted over a large area , Another object is to provide a simply structured razor blade unit which is inexpensive to produce and meets the highest standards of shaving quality.

Gelöst wird die Aufgabe durch Ausgestaltung des Rasierapparates gemäß der im Anspruch 1 angegebenen technischen Lehre.The object is achieved by the design of the shaver according to the technical teaching given in claim 1.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen im Einzelnen angegeben.Advantageous developments of the invention are specified in the dependent claims in detail.

Gemäß der Lehre nach Anspruch 1 bilden Steckverbindungsteil, Klingenträger und der Verbindungsteil eine Einheit. Diese Einheit wird in bekannter Weise aus Kunststoff im Spritzverfahren in einer Form hergestellt, wobei das Verbindungsteil selbst aber derartig flexibel ist, dass es die für die Rasur notwendige Festigkeit zur Kraftübertragung von dem Handgriff auf den Klingenträger nicht aufweist, sondern praktisch nur eine Verbindungsfunktion hat. Es dient lediglich zur statischen Verbindung, ohne die Federcharakteristik wesentlich zu bestimmen. Die Federcharakteristik wird durch eine Verstärkung des Verbindungsteils durch eine weitere federnde Kunststoffkomponente erreicht, die vorzugsweise aus einem geschäumten Kunststoff bzw. aus einem solchen mit elastischer Struktur besteht. Das Verbindungsteil kann dabei ein- oder mehrseitig eingebettet oder aber auch vollständig umschlossen sein. Grundsätzlich kann die Kunststoffkomponente an der Oberseite oder an der Unterseite des Verbindungsteils vorgesehen sein. In jedem Fall muss sie das Verbindungsteil einfassen, hieran haften und den Klingenträger mit dem Steckverbindungsteil verbinden. Dies erfolgt durch Einbringung des Kunststoffes in eine Form, die diesen Übergangsbereich umschließt, mittels Zweikomponentenspritzverfahrens. Die Kunststoffkomponente kann, da hier ein Kunststoff mit Netzstruktur verwendet werden kann, relativ großflächig und/oder volumig aufgetragen werden. Der Übergangsbereich als solcher kann formangepasst, in den Ansatz am Klingenträger und in dem Steckverbindungsteil übergehen und haftet daran, wobei gleichzeitig die gewünschte Biege- und Federcharakteristik garantiert ist. Die Hauptberührungsebene der Rasierklingeneinheit an der Rasierfläche, z.B. der Wange eines Gesichts, verläuft dabei durch Ausgestaltung des Übergangsteils in einem spitzen Winkel zum Handgriff. Der Handgriff ist ergonomisch ausgeformt und kann auch relativ kurz ausgebildet sein, so dass auch der Übergangsteil und/oder der Steckverbindungsteil als Haltegriff mit genutzt werden können. Der Steckverbindungsteil weist im Endabschnitt zweckmäßigerweise eine äußere Kontur auf, die dem sich anschließenden Griffteil entspricht, so dass ein fließender Übergang gegeben ist. In dem Steckverbindungsteil kann eine sacklochförmige Aufnahme für ein Kupplungsteil eingebracht sein oder in Verlängerung alternativ ein Kupplungsansatz vorstehen, der in eine entsprechende sacklochförmige Aufnahme im Handgriff einführbar ist. Aus fertigungstechnischen Gründen, insbesondere um die Rasierklingeneinheit in Blisterverpackungen oder anderen Verpackungen in Reihe als auswechselbare Rasierklingeneinheiten bei geringem Raumbedarf verpacken zu können, sollte die sacklochförmige Aufnahme im Steckverbindungsteil eingearbeitet sein und das zapfenförmige Kupplungsteil sich am Handgriff befinden.According to the teaching of claim 1 plug connector part, blade carrier and the connecting part form a unit. This unit is manufactured in a known manner from plastic by injection molding in a mold, the connecting member itself but is so flexible that it does not have the necessary for shaving strength for power transmission from the handle to the blade carrier, but has virtually only a connection function. It only serves for static connection, without significantly determining the spring characteristic. The spring characteristic is achieved by a reinforcement of the connecting part by a further resilient plastic component, which preferably consists of a foamed plastic or of such with an elastic structure. The connecting part can be embedded on one or more sides or else completely enclosed. In principle, the plastic component may be provided at the top or at the bottom of the connecting part. In any case, it must enclose the connecting part, adhere to it and connect the blade carrier with the connector part. This is done by introducing the plastic into a mold enclosing this transition region by means of a two-component injection process. The plastic component, since a plastic with network structure can be used here, relatively large area and / or voluminous be applied. The transition region as such can be adapted in shape, in the approach to the blade carrier and in the connector part go over and stick to it, while the desired bending and spring characteristic is guaranteed. The main contact plane of the razor blade unit on the shaving surface, for example the cheek of a face, thereby extends through an embodiment of the transition part at an acute angle to the handle. The handle is ergonomically shaped and can also be relatively short, so that the transition part and / or the connector part can be used as a handle with. The plug connection part expediently has an outer contour in the end section, which corresponds to the adjoining handle part, so that a smooth transition is provided. In the connector part, a blind-hole-shaped receptacle for a coupling part can be introduced or, alternatively, an extension projecting a coupling projection, which is insertable into a corresponding blind hole-shaped receptacle in the handle. For manufacturing reasons, especially to be able to pack the razor blade unit in blister packs or other packages in series as interchangeable razor blade units in a small footprint, the blind hole-shaped receptacle should be incorporated in the connector part and the peg-shaped coupling part are located on the handle.

Durch die Kunststoffkomponente weist das verstärkte Verbindungsteil eine definierte Biege- und Federcharakteristik in mindestens eine Achsenrichtung auf. Die flexible Kunststoffkomponente kann sich infolge eines über den Griff ausgeübten Momentes in mathematisch positiver Wirkungsrichtung in Bezug auf die Hauptberührungsebene der Rasierklingeneinheit an der Rasurfläche dehnen und durch Momente in mathematisch negativer Wirkungsrichtung stauchen. Wenn sich die Kunststoffkomponente unterhalb oder im Wesentlichen unterhalb des Verbindungsteils befindet und praktisch den spitzen Winkel zwischen Handgriff und Klingenträger ausfüllt, erfolgt durch Dehnung und Stauchung der Aufbau einer Federwirkung, wodurch die Rasierklingeneinheit der Kontur der zu rasierenden Fläche im Wesentlichen folgt und ein gewünschter gleichbleibender Schneidwinkel zwischen Rasierklinge und Rasierfläche sichergestellt ist.Due to the plastic component, the reinforced connecting part has a defined bending and spring characteristic in at least one axial direction. The flexible plastic component may stretch in a mathematically positive direction of action relative to the main contact plane of the razor blade unit on the shaving surface as a result of a torque exerted on the handle and compressed by moments in a mathematically negative direction of action. If the plastic component is below or substantially below the connecting part and practically fills the acute angle between the handle and the blade carrier, the structure of a spring action is effected by stretching and compression, whereby the razor blade unit the contour of the surface to be shaved essentially follows and a desired constant cutting angle between razor blade and shaving surface is ensured.

Der Klingenträger ist gegenüber dem Steckverbindungsteil relativ breit ausgebildet. Die Breite beträgt ca. 25 mm bis ca. 40 mm, während die Breite des Steckverbindungsteils nur ca. 8 mm bis ca. 10 mm beträgt. Der Verbindungsteil selbst kann eine Breite von wenigen mm aufweisen oder aber auch als Biegestab ausgebildet sein. Die Handlichkeit und die federnde Charakteristik wird von der relativ großvolumigen federnden Kunststoffkomponente bestimmt. Der Verbindungsteil kann auch, je nach Ausbildung des Klingenträgers, vollständig von der Kunststoffkomponente umgeben sein. Ferner sollte durch die Formgebung der Kunststoffkomponente der Federweg und die Federcharakteristik in seitlicher Richtung nur einen kurzen Schwenkweg ermöglichen, in Vor- und Rückwärtsbewegung einen größeren Schwenkweg. Durch die gegebene Flexibilität und durch die winklige Anordnung von Klingenträger und Handgriff ist sichergestellt, dass die Abhängigkeit zwischen der Kontur der zu rasierenden Fläche und der Bewegungsbahn des Benutzers optimiert ist.The blade carrier is formed relatively wide relative to the connector part. The width is about 25 mm to about 40 mm, while the width of the connector part is only about 8 mm to about 10 mm. The connecting part itself may have a width of a few mm or else be designed as a bending bar. The handiness and the springy characteristic is determined by the relatively large-volume resilient plastic component. The connecting part can also be completely surrounded by the plastic component, depending on the design of the blade carrier. Furthermore, should allow only a short pivoting in the lateral direction by the shape of the plastic component of the spring travel and the spring characteristic in forward and backward movement a larger pivoting. The given flexibility and the angular arrangement of blade carrier and handle ensures that the dependence between the contour of the surface to be shaved and the trajectory of the user is optimized.

Es hat sich gezeigt, dass der verwendete Kunststoff für die Herstellung der flexiblen Kunststoffkomponente auch als Schaumkante an der Klingeneinheit verwendet werden kann. In weiterer Ausgestaltung der Erfindung ist deshalb vorgesehen, dass in den Klingenträger mindestens ein Kanal eingebracht ist, und zwar durchgehend, der an der Vorderseite des Klingenträgers im Bereich der unteren Kante in einer Quernut oder in mehreren parallelen Quernuten mündet. Beim Zweikomponentenspritzgießverfahren kann dadurch der eingebrachte zweite Kunststoff den oder die Kanäle durchdringen und sich in der oder den Quernuten zu einer gewünschten profilierten Schaumkante ausbilden. Es versteht sich, dass das Werkzeug entsprechende Aufnahmen und Ausnehmungen aufweisen muss. In ein und demselben Fertigungsgang können eine gewünschte Schaumkante und die gewünschte Kunststofffeder am Verbindungsteil hergestellt werden.It has been found that the plastic used for the production of the flexible plastic component can also be used as a foam edge on the blade unit. In a further embodiment of the invention, it is therefore provided that at least one channel is introduced into the blade carrier, namely continuously, which opens at the front of the blade carrier in the region of the lower edge in a transverse groove or in a plurality of parallel transverse grooves. In the two-component injection molding process, the introduced second plastic can thereby penetrate the channel (s) and form in the transverse groove (s) to form a desired profiled foam edge. It is understood that the tool corresponding Must have recordings and recesses. In one and the same manufacturing process, a desired foam edge and the desired plastic spring can be produced on the connecting part.

Um eine verdrehsichere Steckverbindung zwischen Steckverbindungsteil und Kupplungsteil herzustellen, sollten die Lageröffnungen bzw. der Lageransatz oder das Kupplungsteil angepasste Querschnitte aufweisen, die quadratisch, rechteckförmig, polygon, elliptisch oder eine andere asymmetrische Form aufweisend ausgebildet sein können. Soll auf die Auswechselbarkeit verzichtet werden, beispielsweise bei Einmalrasierern, ist eine Trennung vom Handgriff nicht erforderlich. Für diesen Fall ist vorgesehen, dass der Handgriff des Rasierapparates und die Klingeneinheit einteilig hergestellt werden, also eine unlösbare Verbindung besteht.In order to produce a rotationally secure plug connection between the plug connection part and the coupling part, the bearing openings or the bearing shoulder or the coupling part should have adapted cross sections, which may be square, rectangular, polygonal, elliptical or another asymmetrical shape. If you want to dispense with the interchangeability, for example, with disposable razors, a separation from the handle is not required. For this case, it is provided that the handle of the shaver and the blade unit are made in one piece, so there is a permanent connection.

Für die lösbare Befestigung bieten sich diverse konstruktive Ausgestaltungen des Steckverbindungsteils und Kupplungsteils an, die im Einzelnen in den Ansprüchen 8 bis 13 angegeben sind. Die Klingeneinheit kann in bekannter Weise mehrere Klingen aufweisen, ferner seitliche Führungs- und Begrenzungsrahmen. Der Klingenträger kann aus zwei Gehäuseteilen bestehen, die miteinander kraft- oder formschlüssig verbunden sind, z. B. durch Rast- oder Schweißverbindungen, Verkleben und dergleichen. Die Klingen können auf Distanzteilen vormontiert und in entsprechend vorgesehene seitliche oder kopfseitige Öffnungen eingeschoben werden. Es ist aber auch möglich, die Rasierklingen direkt am Rasierklingenträger durch Einspritzen zu befestigen. Ferner kann auch in bekannter Weise an der oberen Querkante des Gehäuses bzw. des Klingenträgers eine Gleitschicht oder ein Gleitstreifen eingebracht sein.For the releasable attachment to various constructive embodiments of the connector part and coupling part offer, which are specified in detail in the claims 8 to 13. The blade unit may comprise a plurality of blades in a known manner, further lateral guide and limiting frame. The blade carrier may consist of two housing parts which are positively or positively connected with each other, for. B. by latching or welding connections, bonding and the like. The blades can be preassembled on spacers and inserted into correspondingly provided lateral or head-side openings. But it is also possible to attach the razor blades directly to the razor blade carrier by injecting. Furthermore, a sliding layer or a sliding strip can also be introduced in a known manner at the upper transverse edge of the housing or the blade carrier.

Die Erfindung wird nachfolgend anhand der in der Zeichnung dargestellten Teilschnittzeichnung ergänzend erläutert.The invention will be explained in the following with reference to the partial sectional drawing shown in the drawing.

Die einzige Figur zeigt einen Klingenhalter 1 mit einem rückseitig querverlaufenden Ansatz 9, der sich zur Mitte hin verjüngt und in den relativ schmalen Verbindungsteil 6 übergeht, dem sich ein Steckverbindungsteil 3 anschließt. Diese Kombination ist einteilig ausgeführt und aus einem ersten Kunststoff gefertigt. Der Klingenträger 1 weist darüber hinaus Lagerstellen für z.B. drei Klingen 2 sowie seitliche Rahmenteile 17 auf. Bei anderer Ausgestaltung kann der Träger 1 für eine und/oder mehrere Klingen 2 ausgelegt sein. Die Klingen 2 stehen aus der Hauptberührungsebene 8 hervor. Diese verläuft in einem relativ spitzen Winkel α, nahezu parallel zur Längsachse des Handgriffs 5, von dem nur der obere Teil dargestellt ist. Durch diese Anordnung ist eine optimale Abhängigkeit zwischen der Kontur der zu rasierenden Fläche und der Bewegungsbahn des Benutzers gegeben. Jede andere Winkeleinstellung und auch Anbindungsverschiebungen von unten nach oben sind in Abhängigkeit vom vorgesehenen Einsatz möglich.The single FIGURE shows a blade holder 1 with a rear transverse projection 9, which tapers towards the center and merges into the relatively narrow connecting part 6, which is followed by a connector part 3. This combination is made in one piece and made of a first plastic. The blade carrier 1 also has bearings for e.g. three blades 2 and side frame members 17. In another embodiment, the carrier 1 can be designed for one and / or several blades 2. The blades 2 protrude from the main contact plane 8. This runs at a relatively acute angle α, almost parallel to the longitudinal axis of the handle 5, of which only the upper part is shown. By this arrangement, an optimal relationship between the contour of the surface to be shaved and the trajectory of the user is given. Any other angle adjustment and also connection shifts from bottom to top are possible depending on the intended use.

Wie aus der Zeichnung ferner ersichtlich ist, weist der Verbindungsteil 6 eine Verjüngung auf, so dass quasi ein Filmscharnier gegeben ist, das eine relative Biegebewegung des Klingenträgers gegenüber dem Steckverbindungsteil - in Abhängigkeit von der Breite - mindestens in zwei Achsebenen (X, Y) ermöglicht. Um nun die gewünschte Federcharakteristik und Biegefähigkeit sicherzustellen, ist in eine Lagerungsausnehmung im Ansatz 9 beginnend, über den Verbindungsteil verlaufend und sich mit der Innenseite des Steckverbindungsteils 3 verbindend, eine Kunststoffkomponente 7, z. B. eine TPE-Komponente, im Zweikomponentenspritzgießverfahren eingebracht. Die Breite und die Form sowie die Materialeigenschaften des verwendeten Materials dieser Kunststoffkomponente 7 bestimmen die Federcharakteristik des kombinierten Verbindungsteils 6, 7. Das kombinierte Verbindungsteil 6, 7 ist im unteren Bereich an dem Klingenträger 1 angesetzt, so dass bei der Rasur eine Kraftwirkung in gewünschter Weise gegeben ist und, je nach Stellung des Handgriffs 5, eine gewünschte Anlage der Hauptführungsebene 8 mit den Klingen 2 auf der Rasieroberfläche gegeben ist.As can also be seen from the drawing, the connecting part 6 has a taper, so that virtually a film hinge is provided which allows a relative bending movement of the blade carrier relative to the connector part - depending on the width - at least in two axial planes (X, Y) , In order to ensure the desired spring characteristic and bending ability, is starting in a bearing recess in the approach 9, extending over the connecting part and connecting to the inside of the connector part 3, a plastic component 7, z. As a TPE component, introduced in the two-component injection molding. The width and the shape and the material properties of the material used this plastic component. 7 determine the spring characteristic of the combined connecting part 6, 7. The combined connecting part 6, 7 is attached to the blade carrier 1 in the lower region, so that when shaving a force is given in the desired manner and, depending on the position of the handle 5, a desired investment the main guide level 8 is given with the blades 2 on the shaving surface.

In den Klingenträger sind im unteren Bereich nahe der unteren Kante 10 Durchgangskanäle 11 eingebracht, durch die beim Zweikomponentenspritzverfahren das Material der Kunststoffkomponente 7 in eine vorgesehene Quernut 12 einfließen kann. Durch die verwendete Form beim Einbringen ist es somit möglich, in der Quernut 12 zugleich auch eine profilierte Schaumkante aus dem gleichen Material aufzubauen.In the blade carrier 10 through channels 11 are introduced in the lower region near the lower edge, through which the material of the plastic component 7 can flow into a provided transverse groove 12 in the two-component injection molding process. Due to the shape used during insertion, it is thus possible to build in the transverse groove 12 at the same time also a profiled foam edge of the same material.

Die Befestigung des Steckverbinders 3 an dem Griff 5 erfolgt durch Einführen eines formangepassten, elastisch federnden Kupplungsteils 4 am Griff 5 in die sacklochförmige Ausnehmung 13 im Steckverbinder 3. Das Kupplungsteil 4 ist zweckmäßigerweise aus Kunststoff und z. B. einteilig aus dem Handgriff vorstehend gefertigt und besteht im Ausführungsbeispiel aus zwei federnden Wänden, die im Wesentlichen parallel verlaufen und obenseitig über eine Querwand miteinander verbunden sind. Die eine Wand weist einen nach außen vorstehenden Rastansatz 14 auf, der in eine Ausnehmung 15 in der oberen Wand des Steckverbinders 3 eingreift. Der Steckverbinder 3 ist von dem Kupplungsteil 4 abziehbar oder herunterschiebbar. Zum leichteren Herunterschieben ist eine Schiebeentriegelung mit einem obenseitig vorstehenden Schiebeknopf 16 vorgesehen, der z.B. mit dem Daumen nach oben schiebbar ist. Die Schiebedruckfläche untergreift dabei die Stirnkante des Steckverbinders 3 und schiebt diesen nach oben bei gleichzeitiger Verdrängung des Rastansatzes 14 aus der Rastausnehmung 15. Zu diesem Zweck weist der Rastansatz 14 Auflaufschrägen auf, die mit den Kanten des Rastdurchbruches 15 sowie beim Aufstecken mit der Innenkante der oberen Wand des Steckverbinders 3 zusammenwirken. Ferner ist die obere Wand des Kupplungsteils 4 durch Formgebung federelastisch ausgeführt. Der Vorschubhub des Schiebeknopfes 16 wird durch eine Anschlagsführung 18 an den Wänden des Kupplungsteils 3 begrenzt. Alternativ kann eine Ausführung des Steckansatzes mit einer Auswurffunktion vorgesehen sein.The attachment of the connector 3 to the handle 5 by inserting a shape-matched, elastically resilient coupling part 4 on the handle 5 in the blind hole-shaped recess 13 in the connector 3. The coupling part 4 is suitably made of plastic and z. B. made in one piece from the handle above and consists in the embodiment of two resilient walls which are substantially parallel and are connected to each other above a transverse wall. One wall has an outwardly projecting locking lug 14, which engages in a recess 15 in the upper wall of the connector 3. The connector 3 is removable from the coupling part 4 or herunterschiebbar. For ease of pushing down a sliding release is provided with a slide button 16 projecting on top, which is eg pushed with the thumb upwards. The sliding pressure surface engages under the front edge of the connector 3 and pushes it up while displacement of the locking lug 14 from the recess 15. For this purpose, the locking lug 14 bevels on which, with the edges of the Rastdurchbruches 15th and cooperate with the inner edge of the upper wall of the connector 3 when plugging. Furthermore, the upper wall of the coupling part 4 is designed by elastic deformation. The feed stroke of the slide button 16 is limited by a stop guide 18 on the walls of the coupling part 3. Alternatively, an embodiment of the plug-in extension can be provided with an ejection function.

Die Erfindung ist nicht nur auf dargestellte Ausführungsbeispiel beschränkt. Dem Fachmann eröffnet die vermittelte Lehre mannigfaltige konstruktive Ausgestaltungsformen, insbesondere was die Ausbildung der zusätzlichen Kunststoffkomponente 6 und die Verbindung mit dem Handgriff 5 anbetrifft.The invention is not limited only to illustrated embodiment. The skilled person opens the mediated doctrine manifold constructive embodiments, in particular as regards the formation of the additional plastic component 6 and the connection with the handle 5.

Claims (20)

  1. Razor blade unit with a blade holder (1) with at least one razor blade (2) and with a plug connecting element (3) for detachably securing to a coupling element (4) on a handle (5) of a razor device, wherein the plug connecting element (3) and the blade holder (1) are connected by means of a flexible connecting element (6) and are made in one piece from plastic, characterised in that on, under, on one or more sides or around the connecting element (6) an additional resilient plastic component (7) is formed made from a different flexible plastic connecting the plug connecting element (3) and the blade holder (1), so that the reinforced connecting element (6) has a defined bending and spring characteristic in at least two axial directions (X, Y) and the flexible plastic component (7) can be extended as a result of moment forces exerted via the handle (5) in a mathematically positive direction of action relative to the main contact plane (8) of the razor blade unit on the shaving surface and can be compressed by moments in mathematically negative direction and/or is attached to act in kinematic reverse.
  2. Razor blade unit according to claim 1, characterised in that the connecting element (6) is formed on the blade holder (1) in the lower half, centrally relative to the width of the blade holder, and is much narrower than the width of the blade holder (1) and is designed so that the averted main contact plane (8) with a razor blade (2) projecting from the plane runs at a defined angle (α) relative to the central axis of the handle (5).
  3. Razor blade unit according to claim 1, characterised in that the plug connecting element (3) with the blade holder (1) is connected via a bending rod as a connecting element (6), that is pivotable in all directions, and in that the bending rod is surrounded by the flexible plastic component (7) at least on one side and the latter extends up to the projection (9) on the blade holder (1) and the plug connecting element (3), and has a corresponding cross section and mass so that a resilient bending of the razor blade unit is possible relative to the handle (5) at least in axial plane (X).
  4. Razor blade unit according to claim 3, characterised in that the spring excursion in lateral direction (Z) is shorter than in the direction of forwards/backwards movement (X, Y).
  5. Razor blade unit according to one of the preceding claims, characterised in that the blade holder (1) comprises at least one channel (11) which opens into at least one transverse groove (12) on the front side of the blade holder (1) in the region of the lower edge (10), and in that the plastic of the flexible plastic component (7) is injected through the channel (11) on attaching to the connecting element (6) and in the groove (12) by shaping forms a flexible, profiled foam edge.
  6. Razor blade unit according to one of the preceding claims, characterised in that the plug connecting element (3) of the razor blade unit comprises a quadratic, rectangular, polygonal or elliptical or generally asymmetrical bearing opening (13) or a bearing projection, which can be connected detachably to the form-fitted coupling element (4) on the handle (5).
  7. Razor blade unit according to one of claims 1 to 5, characterised in that the plug connecting element (3) passes into a one-piece handle (5).
  8. Razor blade unit according to claim 6, characterised in that on the coupling element (4) or in the asymmetrical bearing opening (13) of the plug connecting element (3) elastic shaping springs or other resilient means (14) ensure the formation of a plug interconnection in interaction with a recess on the corresponding counterpart, and in that the locking connection can be released either by increased removal forces or by unlocking by means of an unlocking means that can be pushed onto the resilient means (14).
  9. Razor blade unit according to claim 8, characterised in that in a wall of the plug connecting element (3) a locking opening (15) is provided in which a spring-loaded locking projection engages as resilient means (14) on the coupling element (4), which can be pushed in or forced back by a defined amount in the coupling element (4), and permits the removal of the connecting projection in the pushed down or forced back state.
  10. Razor blade unit according to claim 9, characterised in that several spring-loaded locking projections are provided.
  11. Razor blade unit according to claim 9 or 10, characterised in that the coupling element (4) is a U-shaped or frame-shaped projection formed on the handle (5), one wall of which can be pressed down relative to the other opposite wall by a defined amount against its own spring force, and in that on the upper side of the depressible wall the locking projection is formed.
  12. Razor blade unit according to claim 11, characterised in that spaced apart from the locking projection (14) on the handle in an opening an unlocking button is mounted or a push button (16) of a sliding unlocking device is pushed behind the plug connecting element (3) as a push-on element onto the coupling element (4), by the activation of which the wall or the spring legs can be depressed or the plug connecting element (3) can be pushed forwards, whereby the locking projection (14) slides out of the recess (15) and the plug connecting element (3) can be taken off.
  13. Razor blade unit according to claim 9 or 10, characterised in that the locking connection is formed by at least one elastic knob, which engages in a recess or an opening of the counterpiece and is designed so that by means of increased removal forces the connection between the coupling element (4) of the handle (5) and the plug connecting element (3) can be detached.
  14. Razor blade unit according to claim 12, characterised in that the displacement path of the push button (16) is delimited by guiding recesses (18) in the walls of the coupling element (4) in which stops (19) are guided.
  15. Razor blade unit according to claim 1, characterised in that the blade holder (1) comprises bearings for one or more blades (2) and has lateral guiding and delimiting frames (17).
  16. Razor blade unit according to claim 1 or 15, characterised in that blade holder (1) consists of two housing parts which can be connected together by locking plug, welding or adhesive connections, and in that the blades (2) are fixed with the insertion of spacer elements, which can be inserted afterwards or are provided on the housing elements.
  17. Razor blade unit according to claim 1, characterised in that it is designed in one piece and the housing is made of plastic, and in that the blades are mounted in spacer elements, which can be pushed in and locked into the housing through lateral or head openings or are locked in the housing by a different form-closed or force-closed connection.
  18. Razor blade unit according to claim 1 or 17 , characterised in that the razor blades are cast spaced apart from one another in the one piece housing in an injection moulding procedure.
  19. Razor blade unit according to claim 1, characterised in that in the region of the upper edge the razor blade unit is provided with a transverse sliding layer or an adhered, injected or inserted strip (20) made of sliding material with or without medicinal active ingredients, in particular antibacterial agents.
  20. Razor blade unit according to claim 1, characterised in that the plastic component (7) surrounds the latter at least in sections as a handle reinforcing component of the handle (5) and comprises at least lateral bearing recesses for securing the handle.
EP04013932A 2003-06-18 2004-06-15 Razor cartridge Active EP1488894B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07109567.3A EP1847360B9 (en) 2003-06-18 2004-06-15 Razor cartridge
PL04013932T PL1488894T4 (en) 2003-06-18 2004-06-15 Razor cartridge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10327739 2003-06-18
DE10327739A DE10327739B4 (en) 2003-06-18 2003-06-18 Razor blade unit for a razor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP07109567.3A Division EP1847360B9 (en) 2003-06-18 2004-06-15 Razor cartridge

Publications (2)

Publication Number Publication Date
EP1488894A1 EP1488894A1 (en) 2004-12-22
EP1488894B1 true EP1488894B1 (en) 2007-07-25

Family

ID=33394904

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07109567.3A Active EP1847360B9 (en) 2003-06-18 2004-06-15 Razor cartridge
EP04013932A Active EP1488894B1 (en) 2003-06-18 2004-06-15 Razor cartridge

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07109567.3A Active EP1847360B9 (en) 2003-06-18 2004-06-15 Razor cartridge

Country Status (5)

Country Link
EP (2) EP1847360B9 (en)
AT (2) ATE367900T1 (en)
DE (3) DE10327739B4 (en)
ES (2) ES2342497T3 (en)
PL (1) PL1488894T4 (en)

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US9475202B2 (en) 2012-09-27 2016-10-25 Shavelogic, Inc. Shaving systems

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BRPI0916247A2 (en) * 2008-07-16 2015-11-03 Gillette Company Companhia Americana combing device for shaving and shaving
US8273205B2 (en) * 2009-07-24 2012-09-25 The Gillette Company Manufacture of pivoting resilient skin contacting members
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US9475202B2 (en) 2012-09-27 2016-10-25 Shavelogic, Inc. Shaving systems

Also Published As

Publication number Publication date
ES2342497T3 (en) 2010-07-07
EP1488894A1 (en) 2004-12-22
EP1847360B9 (en) 2017-12-20
PL1488894T4 (en) 2008-03-31
ATE460260T1 (en) 2010-03-15
DE10327739B4 (en) 2006-06-08
DE502004010888D1 (en) 2010-04-22
DE502004004415D1 (en) 2007-09-06
EP1847360B1 (en) 2010-03-10
EP1847360A1 (en) 2007-10-24
ES2290591T3 (en) 2008-02-16
PL1488894T3 (en) 2007-12-31
ATE367900T1 (en) 2007-08-15
DE10327739A1 (en) 2005-01-13

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