EP0649711B1 - Dry-shaver with a cutter for short hairs and a retractable cutter for long hairs - Google Patents

Dry-shaver with a cutter for short hairs and a retractable cutter for long hairs Download PDF

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Publication number
EP0649711B1
EP0649711B1 EP94114514A EP94114514A EP0649711B1 EP 0649711 B1 EP0649711 B1 EP 0649711B1 EP 94114514 A EP94114514 A EP 94114514A EP 94114514 A EP94114514 A EP 94114514A EP 0649711 B1 EP0649711 B1 EP 0649711B1
Authority
EP
European Patent Office
Prior art keywords
shaving apparatus
transmission
dry shaving
switch
actuating
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
EP94114514A
Other languages
German (de)
French (fr)
Other versions
EP0649711A1 (en
Inventor
Reinhold Eichhorn
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
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Filing date
Publication date
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Publication of EP0649711A1 publication Critical patent/EP0649711A1/en
Application granted granted Critical
Publication of EP0649711B1 publication Critical patent/EP0649711B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/10Cutting 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
    • B26B19/102Cutting 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 with a secondary cutting unit being translated or slid into an operating position
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20012Multiple controlled elements
    • Y10T74/20018Transmission control
    • Y10T74/20085Restriction of shift, gear selection, or gear engagement
    • Y10T74/20104Shift element interlock
    • Y10T74/2011Shift element interlock with detent, recess, notch, or groove
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20207Multiple controlling elements for single controlled element
    • Y10T74/20213Interconnected

Definitions

  • the invention relates to a dry shaving apparatus with at least one short hair cutting system arranged on a housing and with an actuating switch for switching an electric drive on and off and for adjusting a slide switch equipped with a long hair cutting system via a gear mechanism.
  • a dry shaver of the type mentioned is known from DE 3 729 257 A1.
  • its slide switch is coupled to the actuation switch via a gear device consisting of racks and gear wheels.
  • DE 4 117 988 A1 discloses a dry shaving apparatus with a short hair trimmer system and a long hair trimmer system and two actuation switches which are functionally separated from one another on one housing side, of which an actuation switch for switching the electric drive of the shaving apparatus on and off and an actuation switch for direct adjustment of the long hair trimmer system is provided via a coupling gear.
  • the object of the present invention is to provide a switching control for a dry shaver of the type mentioned, by means of which a smooth transmission and at the same time translation of the switching path of the actuating switch to a switching slide provided with a long hair cutting system is ensured.
  • this object is achieved by a dry shaver with the features specified in claim 1.
  • the gear elements are each designed as one-armed lever elements and can be coupled by means of the further locking element which can be positively engaged in the locking elements.
  • a major advantage of the invention is that the positive locking engagement of the locking element arranged on the first gear element ensures that the switching slide equipped with a long hair cutting system is transported safely from the switched-off position to the operating position and the starting position back into the locking position causing a pivoting movement of the second gear element is.
  • At least one further latching position can be connected upstream of the latching position causing the pivoting movement of the second gear element, for example in order to be able to assign at least one switching function to the actuating switch of the dry shaving apparatus, without triggering a shift in the switch slide equipped with a long-hair cutting system , such as B. switching on and off the electric drive and / or releasing or locking a movably mounted shaving head.
  • a long-hair cutting system such as B. switching on and off the electric drive and / or releasing or locking a movably mounted shaving head.
  • gear ratios from the actuating switch to the long-hair trimmer switching slide can be carried out with the gear device. Accordingly, gear ratios adapted to the respective application can be realized with the subject matter of the invention.
  • a pivot bearing is provided at one end of the second gear element and the control cam at the opposite end, and a coupling element is provided between the pivot bearing and control curve.
  • the locking elements of the second gear element are preferably provided on a locking arm molded onto the second gear element.
  • the coupling element is preferably provided on the second gear element on a line connecting the control cam and the pivot bearing.
  • the control curve is preferably approximately triangular in shape, the side walls of which are located on both sides of the line are of arcuate design.
  • the arc shape of the side walls of the control cam is preferably determined by an approximately rectangular transfer of movement force from the second gear element to the control element of the slide switch.
  • the second gear element is mounted on a bearing pin provided on the housing by means of the pivot bearing.
  • a first pivot bearing element, the further latching element and a further coupling element which can be acted upon by the first spring element are provided on the first gear element.
  • a second pivot bearing element interacting with the first pivot bearing element and a holding bearing for the first spring element are provided on the actuation switch.
  • a mountable and space-saving embodiment of the invention is characterized in that the gear element is mounted by means of the pivot bearing element approximately on the vertical center axis on the actuating switch on a transverse arm of a link.
  • the actuation switch is formed from an actuation element and the link coupled to this actuation element.
  • the actuating element is preferably coupled to the setting by means of a clip connection.
  • the slide switch is provided between the actuating element and the link.
  • at least one guide slot is provided in the slide switch for coupling the actuating element to the link.
  • An essential advantage of the invention is that the first spring element and the second spring element ensure play-free mounting of the actuating switch, the slide switch, the first gear element and the second gear element.
  • FIG. 1 shows a dry shaving apparatus with a housing 1, a shaving head 50 equipped with a short hair cutting system K and with an actuation switch 30 for switching an electric drive arranged in the housing 1 on and off and for adjusting a slide switch 2 equipped with a long hair cutting system L via a gear mechanism - see Fig. 2 to 6.
  • FIG. 2 shows an exploded view of interacting components, by means of which the slide switch 2, which is displaceably mounted on the front F of the housing 1 and is provided with a long hair cutting system L, from the actuation switch 30 from an off position - see FIG. 1 - into at least one operating position - see FIG. 6 - can be brought.
  • a plurality of U-shaped guide elements 60 are arranged on the front side F of the housing 1, in which the slide switch 2 is held displaceably by means of webs 61 which engage in these guide elements 60.
  • a bearing pin 27 provided on the front side F serves as a pivot bearing for the gear element 7 provided with a corresponding pivot bearing 11.
  • the gear element 7 has a control cam 12 opposite to the pivot bearing 11.
  • a coupling element 20 for coupling to one end of a spring element 19 is provided between the control cam 12 and the pivot bearing 11 on a line S connecting them, see FIG. 3.
  • the opposite end of the spring element 19 is coupled to a control element 13 arranged on the slide switch 2 and engaging in the control cam 12 of the transmission element 7.
  • a locking arm R is formed on the gear element 7 with three locking elements 24, 25, 26 lying in a row.
  • the actuation switch 30 is formed by the actuation element 31 and the link 3.
  • Two clip elements 33 are provided on the actuating element 31. These two clip elements 33 of the actuating element 31 pass through guide slits 4 provided in the slide switch 2 and extending parallel to the vertical central axis V, as well as the two clip openings 34 provided in the link 3, in order to use the clip connection to actuate the element 31 and the link 3 to form a switch 30 Unite assembly.
  • the link 3 is essentially U-shaped with two arms 35, 36, 37 running parallel and one transverse to the vertical central axis V.
  • a pivot bearing 9 is provided in the transverse arm 36.
  • the gear element 6 is pivotally mounted by means of a pivot bearing 8.
  • Pivot bearing 8 is provided on the gear element 6 with a locking element 14 which can be engaged in the locking elements 24, 25, 26.
  • a coupling element 17 arranged on the gear element 6 serves as a counterbearing for a spring element 16 coupled to the link 3, for example on the transverse arm 36.
  • the arrangement of the gear element 6 in the transverse arm 36 of the link 3 by means of the pivot bearing engaging in the pivot bearing 9 8 is made such that this bearing is positioned slightly next to the vertical center axis V.
  • the position of the locking element 14 on the gear element 6 is such that the vertical center axis V runs through the locking element 14.
  • the latching element 14 assumes a position on the vertical center axis V in all switching positions of the actuation switch 30.
  • Fig. 3 shows the "off" position of the dry shaver.
  • the lower edge 21 of the slide switch 2 and the lower edge 22 of the link 3 rest against the stop 23 in the housing 1, see FIG. 2.
  • the locking element 14 and the locking elements 24, 25, 26 are located on the vertical center axis V of the housing 1.
  • the locking element 14 is under the action of the spring element 16 in the locking position 24 of the gear element 7.
  • the link 3 is actuated by the actuating element 31 of the actuating switch 30, which with the clip elements 33 is formed by the elongated holes Guide slots 4 in the slide switch 2 engages in the clip openings 34 of the link 3, with the gear element 6 shifted upwards by the dimension a, as shown in FIG. 4.
  • the locking element 14 snaps into the locking element 25.
  • an electrical microswitch not shown in the drawing, which is provided for switching the electrical drive of the dry shaving apparatus in the housing 1 on and off, is actuated by the link 3.
  • the position of the gear element 7 and thus the position of the long hair cutting system L has not changed.
  • the long hair cutting system L is now located above the shear plane of the short hair cutting system K and can advantageously be used in this position for trimming hair contours.
  • the gear element 7 acts between the actuating switch 30 and the slide switch 2 as a transmission lever.
  • the displacement path of the slide switch 2 is approximately twice as large as the displacement path of the actuation switch 30.
  • the long hair cutting system L is displaced by 24 mm.
  • the control curve 12 essentially has a triangular basic shape, the two side walls 40, 41 running adjacent to the line S being slightly curved are so that in the respective pivoting direction of the gear element 7, the pushing force from the respective side wall 40, 41 largely vertical, i. H. acts in the direction of arrow B on the control element 13. This results in a reduction in the actuating force to be exerted on the actuating switch 30 of the dry shaving apparatus in comparison with an elongated control cam which can also be used and which has parallel side walls.
  • the opening 42 provided at the end of the control cam 12 opposite the bearing pin 27 in an imaginary extension of the arcuate side walls serves to simplify and facilitate the assembly of the gear element 7 on the bearing pin 27 and the coupling with the control element 13.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

The invention is directed to a dry shaving apparatus with at least one short-hair cutter disposed on a housing and an actuating switch for turning an electric drive mechanism on and off as well as for adjusting a switch slide provided with a long-hair trimmer by means of a transmission device, wherein the transmission device is comprised of two pivotally mounted transmission elements, the first transmission element is pivotally mounted on the actuating switch and acted upon by a spring element, the second transmission element which is provided with notches and a control cam is pivotally mounted on the housing, is coupled to the switch slide through a control element engaging the control cam as well as a spring element, and is actuatable by the first transmission element through a detent element.

Description

Die Erfindung bezieht sich auf einen Trockenrasierapparat mit wenigstens einem an einem Gehäuse angeordneten Kurzhaarschneidsystem und mit einem Betätigungsschalter zum Ein- und Ausschalten eines elektrischen Antriebes sowie zur Verstellung eines mit einem Langhaarschneidsystem ausgestatteten Schaltschiebers über eine Getriebeeinrichtung.The invention relates to a dry shaving apparatus with at least one short hair cutting system arranged on a housing and with an actuating switch for switching an electric drive on and off and for adjusting a slide switch equipped with a long hair cutting system via a gear mechanism.

Ein Trockenrasierapparat der eingangs genannten Art ist aus der DE 3 729 257 A1 bekannt. Zur Verstellung des Langhaarschneidsystems Ist dessen Schaltschieber mit dem Betätigungsschalter über eine aus Zahnstangen und Zahnrädern bestehende Getriebeeinrichtung gekoppelt.A dry shaver of the type mentioned is known from DE 3 729 257 A1. To adjust the long-hair trimmer system, its slide switch is coupled to the actuation switch via a gear device consisting of racks and gear wheels.

Aus der DE 4 117 988 A1 ist ein Trockenrasierapparat mit einem Kurzhaarschneidsystem und einem Langhaarschneidsystem und zwei auf einer Gehäuseseite wirkungsmäßig voneinander getrennt angeordneten Betätigungsschaltern bekannt, von denen ein Betätigungsschalter zum Ein- und Ausschalten des elektrischen Antriebes des Rasierapparates und ein Betätigungsschalter zur direkten Verstellung des Langhaarschneidsystems über ein Koppelgetriebe vorgesehen ist.DE 4 117 988 A1 discloses a dry shaving apparatus with a short hair trimmer system and a long hair trimmer system and two actuation switches which are functionally separated from one another on one housing side, of which an actuation switch for switching the electric drive of the shaving apparatus on and off and an actuation switch for direct adjustment of the long hair trimmer system is provided via a coupling gear.

Aufgabe der vorliegenden Erfindung ist es, eine Schaltsteuerung für einen Trockenrasierapparat der eingangs genannten Art zu schaffen, mittels der eine leichtgängige Übertragung und zugleich Übersetzung des Schaltweges des Betätigungsschalters auf einen mit einem Langhaarschneidsystem versehenen Schaltschieber gewährleistet ist.The object of the present invention is to provide a switching control for a dry shaver of the type mentioned, by means of which a smooth transmission and at the same time translation of the switching path of the actuating switch to a switching slide provided with a long hair cutting system is ensured.

Nach der Erfindung wird diese Aufgabe durch einen Trockenrasierapparat mit den im Patentanspruch 1 angegebenen Merkmalen gelöst.According to the invention, this object is achieved by a dry shaver with the features specified in claim 1.

In weiterer Ausgestaltung der Erfindung sind die Getriebeelemente jeweils als einarmige Hebelelemente ausgebildet und mittels des in die Rastelemente formschlüssig eingreifbaren weiteren Rastelementes koppelbar.In a further embodiment of the invention, the gear elements are each designed as one-armed lever elements and can be coupled by means of the further locking element which can be positively engaged in the locking elements.

Ein wesentlicher Vorteil der Erfindung besteht darin, daß durch den formschlüssigen Rasteingriff des am ersten Getriebeelementes angeordneten Rastelementes In die eine Schwenkbewegung des zweiten Getriebeelementes verursachende Raststellung ein sicherer Transport des mit einem Langhaarschneidsystem ausgestatteten Schaltschiebers von dessen Ausschaltstellung bis in die Betriebsstellung und in die Ausgangsstellung zurück gewährleistet ist.A major advantage of the invention is that the positive locking engagement of the locking element arranged on the first gear element ensures that the switching slide equipped with a long hair cutting system is transported safely from the switched-off position to the operating position and the starting position back into the locking position causing a pivoting movement of the second gear element is.

Ein weiterer Vorteil der Erfindung besteht darin, daß der die Schwenkbewegung des zweiten Getriebeelementes bewirkenden Raststellung wenigstens eine weitere Raststellung vorgeschaltet werden kann, um beispielsweise dem Betätigungsschalter des Trockenrasierapparates zusätzlich wenigstens eine beliebige Schaltfunktion, ohne Verschiebung des mit einem Langhaarschneidsystem ausgestatteten Schaltschiebers auszulösen, zuordnen zu können, wie z. B. Ein- und Ausschalten des elektrischen Antriebes und/oder Freigabe bzw. Arretierung eines bewegbar gelagerten Scherkopfes.Another advantage of the invention is that at least one further latching position can be connected upstream of the latching position causing the pivoting movement of the second gear element, for example in order to be able to assign at least one switching function to the actuating switch of the dry shaving apparatus, without triggering a shift in the switch slide equipped with a long-hair cutting system , such as B. switching on and off the electric drive and / or releasing or locking a movably mounted shaving head.

Ein weiterer wesentlicher Vorteil der Erfindung besteht darin, daß mit der Getriebeeinrichtung beliebige Übersetzungsverhältnisse vom Betätigungsschalter zum Langhaarschneidsystem-Schaltschieber durchführbar sind. Demzufolge sind mit dem Gegenstand der Erfindung dem jeweiligen Anwendungsfall angepaßte Übersetzungsverhältnisse realisierbar.Another important advantage of the invention is that any gear ratios from the actuating switch to the long-hair trimmer switching slide can be carried out with the gear device. Accordingly, gear ratios adapted to the respective application can be realized with the subject matter of the invention.

Nach einer bevorzugten Ausführungsform der Erfindung sind an dem einen Ende des zweiten Getriebeelementes ein Schwenklager und an dem entgegengesetzten Ende die Steuerkurve sowie zwischen Schwenklager und Steuerkurve ein Koppelelement vorgesehen.According to a preferred embodiment of the invention, a pivot bearing is provided at one end of the second gear element and the control cam at the opposite end, and a coupling element is provided between the pivot bearing and control curve.

Vorzugsweise sind die Rastelemente des zweiten Getriebeelementes an einem am zweiten Getriebeelement angeformten Rastarm vorgesehen.The locking elements of the second gear element are preferably provided on a locking arm molded onto the second gear element.

Vorzugsweise ist das Koppelelement an dem zweiten Getriebeelement auf einer die Steuerkurve und das Schwenklager verbindenden Linie vorgesehen.The coupling element is preferably provided on the second gear element on a line connecting the control cam and the pivot bearing.

Vorzugsweise ist die Steuerkurve in etwa dreiecksförmig ausgebildet, deren beiderseits der Linie befindliche Seitenwände bogenförmig gestaltet sind.The control curve is preferably approximately triangular in shape, the side walls of which are located on both sides of the line are of arcuate design.

Vorzugsweise ist die Bogenform der Seitenwände der Steuerkurve bestimmt durch eine in etwa rechtwinklige Bewegungskraftüberleitung von dem zweiten Getriebeelement auf das Steuerelement des Schaltschiebers.The arc shape of the side walls of the control cam is preferably determined by an approximately rectangular transfer of movement force from the second gear element to the control element of the slide switch.

Nach einer Ausführungsform der Erfindung ist das zweite Getriebeelement mittels des Schwenklagers an einem am Gehäuse vorgesehenen Lagerbolzen gelagert.According to one embodiment of the invention, the second gear element is mounted on a bearing pin provided on the housing by means of the pivot bearing.

In weiterer Ausgestaltung der Erfindung sind an dem ersten Getriebeelement ein erstes Schwenklagerelement, das weitere Rastelement und ein von dem ersten Federelement beaufschlagbares weiteres Koppelelement vorgesehen.In a further embodiment of the invention, a first pivot bearing element, the further latching element and a further coupling element which can be acted upon by the first spring element are provided on the first gear element.

Nach einer bevorzugten Ausführungsform der Erfindung sind an dem Betätigungsschalter ein mit dem ersten Schwenklagerelement zusammenwirkendes zweites Schwenklagerelement sowie ein Haltelager für das erste Federelement vorgesehen.According to a preferred embodiment of the invention, a second pivot bearing element interacting with the first pivot bearing element and a holding bearing for the first spring element are provided on the actuation switch.

Eine montierbare und platzsparende Ausführungsform der Erfindung zeichnet sich dadurch aus, daß das Getriebeelement mittels der Schwenklagerelement in etwa auf der vertikalen Mittenachse an dem Betätigungsschalter an einem quer verlaufenden Arm einer Kulisse gelagert ist.A mountable and space-saving embodiment of the invention is characterized in that the gear element is mounted by means of the pivot bearing element approximately on the vertical center axis on the actuating switch on a transverse arm of a link.

Nach einer bevorzugten Ausführungsform der Erfindung ist der Betätigungsschalter aus einem Betätigungselement und der mit diesem Betätigungselement gekoppelten Kulisse gebildet. Vorzugsweise ist das Betätigungselement mittels einer Klippverbindung mit der Kulisse gekoppelt.According to a preferred embodiment of the invention, the actuation switch is formed from an actuation element and the link coupled to this actuation element. The actuating element is preferably coupled to the setting by means of a clip connection.

Um das Zusammenwirken des Betätigungsschalters, des Schaltschiebers und der Getriebeeinrichtung zu erleichtern sowie die Montage dieser Baugruppen zu vereinfachen, ist der Schaltschieber zwischen Betätigungselement und der Kulisse vorgesehen. Hierzu ist es von Vorteil, daß im Schaltschieber wenigstens ein Führungsschlitz für die Koppelung des Betätigungselementes mit der Kulisse vorgesehen ist.In order to facilitate the interaction of the actuating switch, the slide switch and the gear mechanism and to simplify the assembly of these assemblies, the slide switch is provided between the actuating element and the link. For this purpose, it is advantageous that at least one guide slot is provided in the slide switch for coupling the actuating element to the link.

Ein wesentlicher Vorteil der Erfindung besteht darin, daß mittels des ersten Federelementes und des zweiten Federelementes eine spielfreie Lagerung des Betätigungsschalters, des Schaltschiebers, des ersten Getriebeelementes und des zweiten Getriebeelementes gewährleistet ist.An essential advantage of the invention is that the first spring element and the second spring element ensure play-free mounting of the actuating switch, the slide switch, the first gear element and the second gear element.

In der nachfolgenden Beschreibung und den Zeichnungen ist ein bevorzugtes Ausführungsbeispiel dargestellt ist, und zwar zeigen:

Fig. 1
eine perspektivische Darstellung eines Trockenrasierapparates,
Fig. 2
eine Explosionsdarstellung von Bauelementen des Trockenrasierapparates, insbesondere Betätigungsschalter, Schaltschieber, Getriebeeinrichtung und Gehäuse,
Fig. 3 bis 6
eine Vorderansicht eines Trockenrasierapparates mit unterschiedlichen Schaltstellungen eines mit dem Betätigungsschalter gekoppelten Getriebeelementes,
Fig. 7
ein Getriebeelement mit einer Steuerkurve.
A preferred exemplary embodiment is shown in the following description and the drawings, namely:
Fig. 1
a perspective view of a dry shaver,
Fig. 2
3 shows an exploded view of components of the dry shaving apparatus, in particular actuating switches, slide switches, gear devices and housings,
3 to 6
2 shows a front view of a dry shaving apparatus with different switching positions of a gear element coupled to the actuating switch,
Fig. 7
a gear element with a control cam.

Fig. 1 zeigt einen Trockenrasierapparat mit einem Gehäuse 1, einem mit einem Kurzhaarschneidsystem K ausgestatteten Scherkopf 50 sowie mit einem Betätigungsschalter 30 zum Ein- und Ausschalten eines im Gehäuse 1 angeordneten elektrischen Antriebes sowie zur Verstellung eines mit einem Langhaarschneidsystem L ausgestatteten Schaltschiebers 2 über eine Getriebeeinrichtung - siehe Fig. 2 bis 6.1 shows a dry shaving apparatus with a housing 1, a shaving head 50 equipped with a short hair cutting system K and with an actuation switch 30 for switching an electric drive arranged in the housing 1 on and off and for adjusting a slide switch 2 equipped with a long hair cutting system L via a gear mechanism - see Fig. 2 to 6.

Fig. 2 zeigt eine Explosionsdarstellung von zusammenwirkenden Bauelementen, mittels denen der auf der Frontseite F des Gehäuses 1 verschiebbar gelagerte mit einem Langhaarschneidsystem L versehene Schaltschieber 2 von dem Betätigungsschalter 30 von einer Ausschaltstellung - siehe Fig. 1 - in wenigstens eine Betriebsstellung - siehe Fig. 6 - bringbar ist.2 shows an exploded view of interacting components, by means of which the slide switch 2, which is displaceably mounted on the front F of the housing 1 and is provided with a long hair cutting system L, from the actuation switch 30 from an off position - see FIG. 1 - into at least one operating position - see FIG. 6 - can be brought.

An der Frontseite F des Gehäuses 1 sind mehrere U-förmige Führungselemente 60 angeordnet, in denen der Schaltschieber 2 mittels in diese Führungselemente 60 eingreifenden Stege 61 verschiebbar gehalten ist. Ein an der Frontseite F vorgesehener Lagerbolzen 27 dient als Schwenklager für das mit einen entsprechenden Schwenklager 11 versehene Getriebeelement 7. Das Getriebeelement 7 weist entgegengesetzt zum Schwenklager 11 eine Steuerkurve 12 auf. Zwischen der Steuerkurve 12 und dem Schwenklager 11 ist auf einer diese verbindenden Linie S, siehe Fig. 3, ein Koppelelement 20 zur Koppelung mit einem Ende eines Federelementes 19 vorgesehen. Das entgegengesetzte Ende des Federelementes 19 ist mit einem am Schaltschieber 2 angeordneten und in die Steuerkurve 12 des Getriebeelementes 7 eingreifenden Steuerelement 13 gekoppelt. An dem Getriebeelement 7 ist darüber hinaus ein Rastarm R mit drei in einer Reihe liegenden Rastelemente 24, 25, 26 angeformt.A plurality of U-shaped guide elements 60 are arranged on the front side F of the housing 1, in which the slide switch 2 is held displaceably by means of webs 61 which engage in these guide elements 60. A bearing pin 27 provided on the front side F serves as a pivot bearing for the gear element 7 provided with a corresponding pivot bearing 11. The gear element 7 has a control cam 12 opposite to the pivot bearing 11. A coupling element 20 for coupling to one end of a spring element 19 is provided between the control cam 12 and the pivot bearing 11 on a line S connecting them, see FIG. 3. The opposite end of the spring element 19 is coupled to a control element 13 arranged on the slide switch 2 and engaging in the control cam 12 of the transmission element 7. In addition, a locking arm R is formed on the gear element 7 with three locking elements 24, 25, 26 lying in a row.

Der Betätigungsschalter 30 wird bei der Ausführungsform nach den Figuren 1 bis 6 durch das Betätigungselement 31 und die Kulisse 3 gebildet. An dem Betätigungselement 31 sind zwei Klippelemente 33, von denen in Fig. 2 nur ein Klippelement dargestellt ist, vorgesehen. Diese beiden Klippelemente 33 des Betätigungselementes 31 durchsetzen in dem Schaltschieber 2 vorgesehene, parallel zur vertikalen Mittenachse V verlaufende Führungsschlitze 4 sowie die beiden in der Kulisse 3 vorgesehenen Klippöffnungen 34, um mittels der Klippverbindung das Betätigungselement 31 und die Kulisse 3 zu einer als Betätigungsschalter 30 bezeichneten Baugruppe zu vereinigen. Die Kulisse 3 ist im wesentlichen U-förmig ausgebildet mit zwei parallel und einem quer zur vertikalen Mittenachse V verlaufenden Armen 35, 36, 37. In dem quer verlaufenden Arm 36 ist ein Schwenklager 9 vorgesehen. In dem Schwenklager 9 ist das Getriebeelement 6 mittels eines Schwenklagers 8 schwenkbar gelagert. Entgegengesetzt zu dem Schwenklager 8 ist an dem Getriebeelement 6 ein in die Rastelemente 24, 25, 26 eingreifbares Rastelement 14 vorgesehen. Ein an dem Getriebeelement 6 angeordnetes Koppelelement 17 dient als Gegenlager für ein mit der Kulisse 3, beispielsweise am quer verlaufenden Arm 36, gekoppeltes Federelement 16. Die Anordung des Getriebeelementes 6 im quer verlaufenden Arm 36 der Kulisse 3 mittels des in das Schwenklager 9 eingreifenden Schwenklagers 8 ist derart getroffen, daß diese Lagerung geringfügig neben der vertikalen Mittenachse V positioniert ist. Demgegenüber ist die Position des Rastelementes 14 am Getriebeelement 6 derart getroffen, daß die vertikale Mittenachse V durch das Rastelement 14 verläuft. Demzufolge nimmt das Rastelement 14 in sämtlichen Schaltstellungen des Betätigungsschalters 30 eine auf der vertikalen Mittenachse V liegende Position ein.In the embodiment according to FIGS. 1 to 6, the actuation switch 30 is formed by the actuation element 31 and the link 3. Two clip elements 33, of which only one clip element is shown in FIG. 2, are provided on the actuating element 31. These two clip elements 33 of the actuating element 31 pass through guide slits 4 provided in the slide switch 2 and extending parallel to the vertical central axis V, as well as the two clip openings 34 provided in the link 3, in order to use the clip connection to actuate the element 31 and the link 3 to form a switch 30 Unite assembly. The link 3 is essentially U-shaped with two arms 35, 36, 37 running parallel and one transverse to the vertical central axis V. A pivot bearing 9 is provided in the transverse arm 36. In the pivot bearing 9, the gear element 6 is pivotally mounted by means of a pivot bearing 8. Contrary to that Pivot bearing 8 is provided on the gear element 6 with a locking element 14 which can be engaged in the locking elements 24, 25, 26. A coupling element 17 arranged on the gear element 6 serves as a counterbearing for a spring element 16 coupled to the link 3, for example on the transverse arm 36. The arrangement of the gear element 6 in the transverse arm 36 of the link 3 by means of the pivot bearing engaging in the pivot bearing 9 8 is made such that this bearing is positioned slightly next to the vertical center axis V. In contrast, the position of the locking element 14 on the gear element 6 is such that the vertical center axis V runs through the locking element 14. As a result, the latching element 14 assumes a position on the vertical center axis V in all switching positions of the actuation switch 30.

Nachfolgend werden die einzelnen Schaltstufen des Ausführungsbeispiels anhand der Figuren 3 bis 6 näher erläutert. Wegen der mehrfach überlagerten Bauelemente des Trockenrasierapparates sind diese in den Figuren 3 bis 6 an entsprechenden Stellen teilweise geschnitten.The individual switching stages of the exemplary embodiment are explained in more detail below with reference to FIGS. 3 to 6. Because of the multiple superimposed components of the dry shaving apparatus, these are partially cut at corresponding locations in FIGS. 3 to 6.

Fig. 3 zeigt die "Aus"-Stellung des Trockenrasierapparates. Die Unterkante 21 des Schaltschiebers 2 und die Unterkante 22 der Kulisse 3 liegen am Anschlag 23 im Gehäuse 1 an, siehe Fig 2. Das Rastelement 14 und die Rastelemente 24, 25, 26 befinden sich auf der vertikalen Mittenachse V des Gehäuses 1. Das Rastelement 14 liegt unter Wirkung des Federelementes 16 in der Raststellung 24 des Getriebeelementes 7.Fig. 3 shows the "off" position of the dry shaver. The lower edge 21 of the slide switch 2 and the lower edge 22 of the link 3 rest against the stop 23 in the housing 1, see FIG. 2. The locking element 14 and the locking elements 24, 25, 26 are located on the vertical center axis V of the housing 1. The locking element 14 is under the action of the spring element 16 in the locking position 24 of the gear element 7.

Zum Einschalten des Kurzhaarschneidsystems K wird die Kulisse 3 über das Betätigungselement 31 des Betätigungsschalters 30, der mit den Klippelementen 33 durch die als Langlöcher ausgebildeten Führungsschlitze 4 im Schaltschieber 2 hindurch in die Klippöffnungen 34 der Kulisse 3 eingreift, mit dem Getriebeelement 6 um das Maß a nach oben verschoben, wie es in Fig. 4 dargestellt ist. Das Rastelement 14 rastet in das Rastelement 25 ein. Auf diesem Betätigungsweg wird ein in der Zeichnung nicht dargestellter elektrischer Mikroschalter, der zum Ein- und Ausschalten des elektrischen Antriebes des Trockenrasierapparates im Gehäuse 1 vorgesehen ist, durch die Kulisse 3 betätigt. Die Lage des Getriebeelementes 7 und damit die Lage des Langhaarschneidsystems L hat sich nicht verändert.To switch on the short hair cutting system K, the link 3 is actuated by the actuating element 31 of the actuating switch 30, which with the clip elements 33 is formed by the elongated holes Guide slots 4 in the slide switch 2 engages in the clip openings 34 of the link 3, with the gear element 6 shifted upwards by the dimension a, as shown in FIG. 4. The locking element 14 snaps into the locking element 25. In this actuation path, an electrical microswitch, not shown in the drawing, which is provided for switching the electrical drive of the dry shaving apparatus in the housing 1 on and off, is actuated by the link 3. The position of the gear element 7 and thus the position of the long hair cutting system L has not changed.

In Fig. 5 ist nach weiterem Verschieben der Kulisse 3 über das Betätigungselement 31 und damit des Rastelementes 14 in die Raststellung 26, beispielsweise über einen nicht dargestellten Mechanismus, das Kurzhaarschneidsystem K in seiner Lage um einen Winkel von ca. 20° geschwenkt worden. Damit wird die Handhabung des elektrischen Rasierapparates für bestimmte Hautpartien erleichtert. Bei dieser Verschiebung des Betätigungsschalters 30 um das Maß b hat sich die Lage des Getriebeelementes 7 und damit die Lage des Langhaarschneidsystems L ebenfalls nicht verändert.5, after further shifting of the link 3 via the actuating element 31 and thus of the latching element 14 into the latching position 26, for example via a mechanism (not shown), the short hair cutting system K has been pivoted in its position by an angle of approximately 20 °. This makes it easier to handle the electric shaver for certain areas of the skin. With this displacement of the actuation switch 30 by the dimension b, the position of the gear element 7 and thus the position of the long hair cutting system L has also not changed.

Erst beim weiteren Verschieben, ausgehend vom Betätigungsschalter 30, auf das Maß c, wie es in Fig. 6 dargestellt ist, wird das Getriebeelement 7 durch das Rastelement 14, im Rastelement 26 einen Anschlag findet, um den Lagerbolzen 27 gedreht und verschiebt über das in die Steuerkurve 12 eingreifende Steuerelement 13 den Schaltschieber 2 mit dem Langhaarschneidsystem L entsprechend der konstruktiv vorgesehenen Übersetzung.Only when moving further, starting from the actuation switch 30, to dimension c, as shown in FIG. 6, is the gear element 7 by the latching element 14, in the latching element 26, a stop, rotated around the bearing pin 27 and displaced via the in the control cam 12 engaging control element 13 the slide switch 2 with the long hair cutting system L according to the design translation.

Das Langhaarschneidsystem L befindet sich nun oberhalb der Scherebene des Kurzhaarschneidsystems K und kann in dieser Lage vorteilhaft zum Trimmen von Haarkonturen eingesetzt werden.The long hair cutting system L is now located above the shear plane of the short hair cutting system K and can advantageously be used in this position for trimming hair contours.

Die entgegengesetzte Schaltung des Langhaarschneidsystems L in die Ausgangslage erfolgt in äquivalenter Weise in entgegengesetzter Reihenfolge.The opposite switching of the long hair cutting system L into the starting position is carried out in an equivalent manner in the opposite order.

Das Getriebeelement 7 wirkt zwischen dem Betätigungsschalter 30 und dem Schaltschieber 2 als Übersetzungshebel. Bei der im dargestellten Beispiel etwa mittigen Lage des Angriffspunktes des Rastelementes 14 in der Raststellung 26 ist der Verschiebeweg des Schaltschiebers 2 gegenüber dem Schiebeweg des Betätigungsschalters 30 etwa doppelt so groß. Bei beispielsweise einem Verschiebeweg des Betätigungsschalters 30 von 14 mm wird das Langhaarschneidsystem L um 24 mm verschoben.The gear element 7 acts between the actuating switch 30 and the slide switch 2 as a transmission lever. In the example of the position of the engagement point of the locking element 14 in the locking position 26, which is approximately central, the displacement path of the slide switch 2 is approximately twice as large as the displacement path of the actuation switch 30. With, for example, a displacement path of the actuation switch 30 of 14 mm, the long hair cutting system L is displaced by 24 mm.

Fig. 7 zeigt verschiedene Positionen des Bewegungsablaufs des am Schaltschiebers 2 fest angeordneten Steuerelementes 13 in der Steuerkurve 12 des Getriebeelementes 7. Die Steuerkurve 12 weist im wesentlichen eine dreieckförmige Grundform auf, wobei die beiden benachbart zur Linie S verlaufenden Seitenwände 40, 41 leicht bogenförmig gestaltet sind, so daß in der jeweiligen Schwenkbewegungsrichtung des Getriebeelementes 7 die Schiebekraft von der jeweiligen Seitenwand 40, 41 weitgehend vertikal, d. h. in Pfeilrichtung B auf das Steuerelement 13 einwirkt. Dies hat im Vergleich zu einer ebenfalls einsetzbaren länglich gestalteten Steuerkurve mit parallel zueinander verlaufenden Seitenwänden eine Verringerung der am Betätigungsschalter 30 des Trockenrasierapparates aufzubringenden Betätigungskraft zur Folge. Die am vom Lagerbolzen 27 entgegengesetzten Ende der Steuerkurve 12 in einer gedachten Verlängerung der bogenförmigen Seitenwände vorgesehene Öffnung 42 dient zur Vereinfachung und Erleichterung der Montage des Getriebeelementes 7 auf dem Lagerbolzen 27 sowie der Koppelung mit dem Steuerelement 13.7 shows various positions of the sequence of movements of the control element 13 which is fixedly arranged on the slide switch 2 in the control curve 12 of the transmission element 7. The control curve 12 essentially has a triangular basic shape, the two side walls 40, 41 running adjacent to the line S being slightly curved are so that in the respective pivoting direction of the gear element 7, the pushing force from the respective side wall 40, 41 largely vertical, i. H. acts in the direction of arrow B on the control element 13. This results in a reduction in the actuating force to be exerted on the actuating switch 30 of the dry shaving apparatus in comparison with an elongated control cam which can also be used and which has parallel side walls. The opening 42 provided at the end of the control cam 12 opposite the bearing pin 27 in an imaginary extension of the arcuate side walls serves to simplify and facilitate the assembly of the gear element 7 on the bearing pin 27 and the coupling with the control element 13.

Claims (16)

  1. A dry shaving apparatus with at least one short-hair cutter (K) disposed on a housing (1) and an actuating switch (30) for turning an electric drive mechanism on and off as well as for adjusting a switch slide (2) provided with a long-hair trimmer (L) by means of a transmission device (G), characterized in that the transmission device (G) is comprised of two pivotally mounted transmission elements (6, 7), that the first transmission element (6) is pivotally mounted on the actuating switch (30) and acted upon by a first spring element (16), that the second transmission element (7) which is provided with detent elements (24, 25, 26) and a control cam (12) is pivotally mounted on the housing (1), is coupled to the switch slide (2) through a control element (13) engaging the control cam (12) as well as a second spring element (19), and is actuatable by the first transmission element (6) through a further detent element (14) in such manner that by displacement of the actuating switch (30) the two transmission elements (6, 7) are relatively movable into successive detent positions, whereof a first detent position corresponds to an OFF position of the dry shaving apparatus and a last detent position involves relative coupling of the two transmission elements (6, 7), such that a further displacement of the actuating switch (30) causes a turning motion of the second transmission element and an adjustment of the switch slide through the control cam (12) and the control element (13).
  2. The dry shaving apparatus as claimed in claim 1, characterized in that the transmission elements (6, 7) are configured as one-armed lever elements each and are adapted to be coupled to each other by means of the further detent element (14) capable of positive engagement with the detent elements (24, 25, 26).
  3. The dry shaving apparatus as claimed in claim 1 or claim 2, characterized in that a pivot bearing (11) is provided at the one end of the second transmission element (7) and the control cam (12) at the opposite end thereof, and that a coupling element (20) is arranged between the pivot bearing (11) and the control cam (12).
  4. The dry shaving apparatus as claimed in any one of the preceding claims, characterized in that the detent elements (24, 25, 26) of the second transmission element (7) are provided on a detent arm (R) formed integrally with the second transmission element (7).
  5. The dry shaving apparatus as claimed in claim 4, characterized in that the coupling element (20) on the second transmission element (7) is provided on a line (S) connecting the control cam (12) and the pivot bearing (11) .
  6. The dry shaving apparatus as claimed in claim 5, characterized in that the control cam (12) is of an approximately triangular shape, its side walls (40, 41) on either side of the line (S) being of an arcuate configuration.
  7. The dry shaving apparatus as claimed in claim 6, characterized in that the arcuate shape of the side walls (40, 41) of the control cam (12) is determined by an approximately rectangular transmission of motive force (direction of arrow B) from the second transmission element (7) to the control element (13) of the switch slide (2) .
  8. The dry shaving apparatus as claimed in any one of the claims 3 to 7, characterized in that the second transmission element (7) is carried on a bearing pin (27) provided on the housing (1) by means of the pivot bearing (11).
  9. The dry shaving apparatus as claimed in any one of the preceding claims, characterized in that the first transmission element (6) provides a first pivot bearing element (8), the further detent element (14), and a further coupling element (17) adapted to be acted upon by the first spring element (16).
  10. The dry shaving apparatus as claimed in claim 9, characterized in that the actuating switch (30) provides a second pivot bearing element (9) cooperating with the first the pivot bearing element (8), as well as a bearing support (18) for the first spring element (16).
  11. The dry shaving apparatus as claimed in any one of the claims 9 and 10, characterized in that the transmission element (6) is carried, by means of the pivot bearing elements (8, 9), on the actuating switch (30) on a transversely extending arm (36) of a coulisse structure (3) approximately on the vertical center axis (V).
  12. The dry shaving apparatus as claimed in any one of the preceding claims, characterized in that the actuating switch (30) is comprised of an actuating element (31) and/or the coulisse structure (3) coupled to the actuating element (31).
  13. The dry shaving apparatus as claimed in claim 12, characterized in that the actuating element (31) is coupled to the coulisse structure (3) by means of a clip connection (33, 34).
  14. The dry shaving apparatus as claimed in any one of the claims 12 and 13, characterized in that the switch slide (2) is provided between the actuating element (31) and the coulisse structure (3).
  15. The dry shaving apparatus as claimed in claim 14, characterized in that the switch slide (2) incorporates at least one guide slot (4) for coupling the actuating element (31) to the coulisse structure (3).
  16. The dry shaving apparatus as claimed in any one of the preceding claims, characterized in that the first spring element (16) and the second spring element (19) ensure a clearance-free support of the actuating switch (30), the switch slide (2), the first transmission element (6) and the second transmission element (7).
EP94114514A 1993-10-23 1994-09-15 Dry-shaver with a cutter for short hairs and a retractable cutter for long hairs Expired - Lifetime EP0649711B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4336231 1993-10-23
DE4336231A DE4336231C1 (en) 1993-10-23 1993-10-23 Dry razor apparatus with short hair cut system - has operating switch adjusting sliding switch equipped with long hair cut system over gear device of two pivoted elements

Publications (2)

Publication Number Publication Date
EP0649711A1 EP0649711A1 (en) 1995-04-26
EP0649711B1 true EP0649711B1 (en) 1997-04-23

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ID=6500870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114514A Expired - Lifetime EP0649711B1 (en) 1993-10-23 1994-09-15 Dry-shaver with a cutter for short hairs and a retractable cutter for long hairs

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US (1) US5524345A (en)
EP (1) EP0649711B1 (en)
JP (1) JP3507560B2 (en)
AT (1) ATE152027T1 (en)
DE (2) DE4336231C1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6601302B2 (en) 2000-09-08 2003-08-05 Remington Corporation, L.L.C. Shaving systems and adjustable trimmers therefor
JP4396094B2 (en) * 2002-05-30 2010-01-13 パナソニック電工株式会社 Electric razor
DE102004029234A1 (en) * 2004-06-17 2006-01-12 Braun Gmbh Electric shaver
US20080040927A1 (en) * 2006-08-17 2008-02-21 Tung Yan Lau Electric shaver and trimmer
DE102007050057A1 (en) * 2007-10-19 2009-04-23 Braun Gmbh Electric razor
JP5127730B2 (en) * 2009-01-15 2013-01-23 パナソニック株式会社 Electric shaver
DE102009030202A1 (en) 2009-06-24 2010-12-30 Braun Gmbh Electric razor
DE102010041118A1 (en) * 2010-09-21 2012-03-22 Bayerische Motoren Werke Aktiengesellschaft Switching device with override lock
EP2591889B1 (en) * 2011-11-08 2015-09-16 Braun GmbH Electric shaver comprising a pivotable shaving head

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7007687A (en) * 1970-05-28 1971-11-30
DE2843947C2 (en) * 1978-10-09 1981-07-30 Braun Ag, 6000 Frankfurt Dry razor with a short hair part and a sliding long hair part
DE3729257A1 (en) * 1987-09-02 1989-03-23 Braun Ag DRY SHAVER WITH A SHORT HAIR CUTTING SYSTEM AND A SLIDING LONG HAIR CUTTING SYSTEM
JP3017508B2 (en) * 1989-12-25 2000-03-13 松下電工株式会社 Hair cutter
JPH0489083A (en) * 1990-07-31 1992-03-23 Matsushita Electric Works Ltd Electric razor with trimmer
DE4117988A1 (en) * 1991-06-03 1992-12-10 Braun Ag ELECTRIC SHAVER
DE4128217A1 (en) * 1991-08-26 1993-03-04 Braun Ag ELECTRIC SHAVER

Also Published As

Publication number Publication date
DE4336231C1 (en) 1994-05-26
DE59402509D1 (en) 1997-05-28
EP0649711A1 (en) 1995-04-26
JP3507560B2 (en) 2004-03-15
US5524345A (en) 1996-06-11
ATE152027T1 (en) 1997-05-15
JPH07178263A (en) 1995-07-18

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