EP0277271A2 - Rasoir à sec - Google Patents

Rasoir à sec Download PDF

Info

Publication number
EP0277271A2
EP0277271A2 EP87111667A EP87111667A EP0277271A2 EP 0277271 A2 EP0277271 A2 EP 0277271A2 EP 87111667 A EP87111667 A EP 87111667A EP 87111667 A EP87111667 A EP 87111667A EP 0277271 A2 EP0277271 A2 EP 0277271A2
Authority
EP
European Patent Office
Prior art keywords
frame
shaving
dry
holding
head frame
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.)
Granted
Application number
EP87111667A
Other languages
German (de)
English (en)
Other versions
EP0277271A3 (en
EP0277271B1 (fr
Inventor
Gotthard Chr. Dipl.-Ing. Mahlich
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.)
Robert Krups GmbH and Co KG
Original Assignee
Robert Krups GmbH and Co KG
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 Robert Krups GmbH and Co KG filed Critical Robert Krups GmbH and Co KG
Priority to AT87111667T priority Critical patent/ATE72777T1/de
Publication of EP0277271A2 publication Critical patent/EP0277271A2/fr
Publication of EP0277271A3 publication Critical patent/EP0277271A3/de
Application granted granted Critical
Publication of EP0277271B1 publication Critical patent/EP0277271B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3806—Accessories
    • B26B19/3813—Attachments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/10—Cutting heads therefor; Cutters therefor; Securing equipment thereof involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly
    • B26B19/102—Cutting heads therefor; Cutters therefor; Securing equipment thereof involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly with a secondary cutting unit being translated or slid into an operating position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B26B19/386—Means for attaching the head thereto

Definitions

  • the invention relates to a dry shaver with a housing for storing a long hair trimmer and for accommodating a drive for a rocker arm and a cutter head, and for releasably attaching a shaving head frame, the cheeks of which guide and holding elements for releasably attaching a guide and holding elements Interchangeable frame, the shaving foil spans the cutter head.
  • Such dry shavers are known in numerous embodiments. Different connecting means are used between the housing on the one hand and the shaving head frame on the other hand. This also applies to the connection between the removable frame and the shaving head frame.
  • the interchangeable frame is generally inserted into the shaving head frame in the direction of the longitudinal axis of the dry shaving apparatus. This means that the shaving head frame has a forward free opening, which is closed by the removable frame that can be inserted from above.
  • the connecting means between the interchangeable frame and the shaving head frame are attached on the one hand in the area of the end walls of the interchangeable frame and on the other hand on the inner walls of raised side walls of the shaving head frame. The introductory movement of the change frame from above accordingly all connecting elements are aligned in the longitudinal direction of the dry shaver.
  • two guide ribs are arranged at a distance and parallel to one another on the end walls of the interchangeable frame, between which a resilient latching arm is arranged, the latching of which interacts with a counter-latch which is assigned to an actuator pivotally mounted on the cheeks of the shaving head frame .
  • the actuating elements for the connection between the interchangeable frame and the shaving head frame on the one hand and the shaving head frame and housing on the other hand lie directly above or below one another on the outside of the cheeks of the shaving head frame. They are only separated from one another by a narrow gap. Therefore there is a possibility of incorrect operation of the operating elements.
  • this known type of connection between the removable frame and the shaving head frame is very complex and therefore expensive. So not only a breakthrough for the actuator must be created in the cheeks of the shaving head frame but also a bearing point for its pivotable arrangement. It is also complex that the actuating element has to be manufactured and subsequently stored in the side cheeks of the shaving head frame. The connection between the shaving head frame and interchangeable frame therefore does not require additional devices such as the actuating element and the bearing point.
  • the invention intends to show another way for the connection between the change frame and the shaving head frame of a dry shaving apparatus of the type described in more detail at the beginning, by means of which not only the direction of insertion when producing or releasing the connection between said parts is to be changed, but also by that the connecting elements and their arrangement can be simplified and therefore cheaper.
  • the shaving head frame and the interchangeable frame are provided with interacting guide and holding elements and can be brought into or out of engagement by a drawer-shaped movement transverse to the longitudinal direction of the dry shaving apparatus.
  • the design of a dry shaving apparatus according to the invention has considerable advantages over the known. Due to the drawer-shaped movement transverse to the longitudinal direction of the dry shaving apparatus when assembling or detaching between the shaving head frame and interchangeable frame, the use of special actuating elements, that is to say those which have to be produced separately and then stored, can be dispensed with. Rather, there is the possibility that the interacting guide and holding elements of both the shaving head frame and the interchangeable frame are components of these dry shaving apparatus parts. They can be moved into their working position or their opening position by a simple pushing movement.
  • the shaving head frame has at least one lateral insertion opening, which is followed by holding and guiding elements provided on the inner walls of the cheeks and extending transversely to the longitudinal direction of the shaving head frame, which releasably hold the inserted interchangeable frame on the shaving head frame.
  • the interacting holding and guiding elements of the interchangeable and shaving head frames come into their effective position in the end position of the movement occurring transversely to the longitudinal direction of the dry shaving apparatus.
  • the holding and guiding elements are designed as strips molded onto the inner wall of the cheeks of the shaving head frame. These strips can also be produced during the manufacture of the shaving head frame, which significantly reduces the cost of producing the shaving head frame.
  • one of these strips is expedient to design one of these strips as a guide strip extending essentially over the entire width of the cheek, the front edge of which is drawn up in the direction of the insertion movement of the removable frame.
  • this guide bar has the advantage that the holding finger is slightly bent during the insertion movement of the change frame transversely to the longitudinal direction of the dry shaving apparatus. The force awakened in it is then used at the end of the insertion movement in order to allow a catch arranged at its front free end to engage behind the one end wall of the holding and guide bar. As a result, the interchangeable frame is locked onto the shaving head frame with simple but effective means.
  • the inner wall of the cheek has a recessed area above the longer guide bar, the rear edge of which, in the insertion direction of the removable frame, serves as a stop edge for the removable frame.
  • the webs of the shaving head frame can expediently have different width dimensions, the narrower of the two webs lying at the height of the holding and guide strips.
  • the holding and guiding elements of the interchangeable frame consist of a holding finger having a catch and a groove-shaped groove arranged parallel to it.
  • the holding finger acts with the shorter holding and guiding bar of the shear head frame together, while the longer guide bar of the shaving head frame interacts with the channel-shaped groove of the removable frame. Therefore, the dimensions and the design of the groove and bar are coordinated.
  • the side walls of the interchangeable frame which have the holding and guiding elements are expediently connected to one another by a narrower front wall and a wider rear wall.
  • the wider rear wall of the removable frame has a bent area adjacent to the shaving foil.
  • the rocking lever and the cutter head carried by it are arranged inclined towards the long hair trimmer in relation to the longitudinal axis of the dry shaver.
  • a first switch-on position is provided, in which the long-hair trimmer lies approximately at the height of the shaving foil arranged on the inclined cutter head.
  • the long-hair trimmer lies far above the apex line of the shaving foil. This is particularly noticeable when using the long hair trimmer because it can be used without the shaving foil lying deeply underneath physically or optically preventing this use. If one speaks of the uppermost switch-on position of the long-hair trimmer lying far above the apex line of the shaving foil, this means at least a protrusion of 2 mm. However, preference is given to protruding further, values of 5 to 6 mm being readily achievable.
  • the actual cutting tools are arranged transversely to the direction of displacement of the long hair cutter; they therefore point away from the housing of the dry shaver.
  • the cutting tools of the long-hair trimmer are arranged parallel to the sliding plane of the pusher in the dry shaving apparatus according to the invention. The cutting tools thus protrude from the end face of the slide and are arranged in the extension of the longitudinal center line of the slide.
  • the dry shaving apparatus on which the exemplary embodiment is based is generally designated by 10.
  • the dry shaving apparatus 10 has a housing 11, which can be made, for example, of a plastic and which has projections and / or depressions (not specified in more detail) on at least part of its outer surface in order to increase the grip.
  • the housing 11 of the dry shaving apparatus 10 has - as best seen in FIGS. 2 and 3 of the drawing - a stepped upper part 13 which is covered by a shaving head frame 12.
  • the shaving head frame 12 is detachably connected to the housing 11.
  • a holding element 15 is arranged on each narrow side wall 14 of the upper part 13 of the housing 11, which can each be transferred to an ineffective position via an actuator 16.
  • Each holding element 15 interacts with a counter-catch 34 of the shaving head frame 12, which are attached to diametrically opposite inner walls of the shaving head frame 12 - as can be seen from FIG. 8.
  • a counter-catch 34 of the shaving head frame 12 which are attached to diametrically opposite inner walls of the shaving head frame 12 - as can be seen from FIG. 8.
  • an unspecified detent of the holding element 15 engages behind the counter detent 34.
  • the holding element By acting on the actuator 16, the holding element can be moved into its inactive position and the shaving head frame 12 can thus be removed from the upper part 13 of the housing.
  • Knife head 21 is detachably mounted on this protruding end of rocking lever 20 in a known manner.
  • a detachable coupling between the rocker arm 20 and the cutter head 21 is therefore used in order to be able to remove and clean the cutter head 21 if necessary.
  • Both the cutter head 21 and the rocker arm 20 and the parts of the drive interacting therewith have a structure which is known per se, so that no further details are given.
  • the dry shaving apparatus 10 also includes an interchangeable frame, generally designated 18, which carries a shaving foil 19 which, after the interchangeable frame 18 has been attached to the shaving head frame 12, spans over the cutter head 21.
  • the interchangeable frame 18 and the shaving head frame 12 are detachably connected to one another in a manner still to be described.
  • a slide 23 which carries a long-hair cutter 22 at its front end facing the cutter head 21 and which can be transferred to different positions.
  • the different setting options of the slider 23 are marked, which is not visible in FIGS. 1 and 2 of the drawing.
  • Fig. 2 shows best that the rocker arm 20 and thus also the cutter head 21 carried by it are inclined towards the long hair cutter 22. This ensures that the cutter head 21 and the long-hair trimmer 22 are advantageously arranged close together when used as intended.
  • the slide 23 is provided in its central region 24 with projections and / or depressions arranged transversely to its direction of displacement.
  • the shaving head frame 12 is a one-piece body which has raised cheeks 17 on two diametrically opposite narrow sides, the upper boundary edge of which is kept curved in accordance with the cutter head 21 or the shaving foil 19 arched above it.
  • the two cheeks 17 are first connected to one another by a narrow web 32 and on the opposite other side by a wide web 33.
  • the two webs 32 and 33 - as best shown in FIG. 8 - are offset in height in this way that the narrow web 32 is higher in the direction of the upper free end of the cheek 17.
  • the lower boundary edge of the narrow web 32 lies approximately at the height of the upper boundary edge of the wide web 33.
  • one broad side of the shaving head frame 12 is provided with a lateral insertion opening 42, the lower boundary edge of which is designated by 26.
  • This lower boundary edge 26 coincides with the top of the wider web 33.
  • the lateral insertion opening 42 is followed by guiding and holding elements which are attached to the inner walls of the cheeks 17 and which are intended to cooperate with the guiding and holding elements of the removable frame 18.
  • the guide bar 35 extends essentially over the entire width of the cheek 17.
  • a recessed area 37 is arranged on the inner wall of the cheek 17.
  • the edge of the recessed area 37 adjacent to the narrow web 32 is at the same time a stop edge 45.
  • a further guide and holding bar 38 which, however, is kept considerably smaller in length than the guide bar 35. It extends only over the middle region of the inner wall of the cheek 17 and is also inclined towards the lower edge of the cheek 17 or the shaving head frame 12.
  • the interchangeable frame 18 is releasably connectable, which is shown in FIGS. 8 and 9 in each case in the left half.
  • the change frame 18 is a frame-like body made of plastic or the like. is, the narrow side walls are designated by 27.
  • the two side walls 27 of the interchangeable frame 18 are connected to one another by a narrow front wall 41 on the right side in FIGS. 8 and 9.
  • a wide front wall 39 is provided, which is bent in its upper region 40.
  • Known and therefore unspecified connection points are provided on the inner walls of the walls 39 and 41 of the interchangeable frame 18, with which the ends of the curved shaving foil 19 are held.
  • the holding and guiding elements are provided, which are used for releasably attaching the interchangeable frame to the shaving head frame 12. They include a narrow holding finger 30, which is separated from the other parts of the side wall 27 by a slot-like recess 43.
  • the holding finger 30 has a catch 31 in the region of its front free end, which projects in the direction of the slot-like recess 43.
  • a channel-shaped depression 28 is made in the side wall 27 of the interchangeable frame 18, which runs essentially parallel to the holding finger 30 and at the end of which the front wall 39 faces an opening 29.
  • the locking finger 30 and the trough-shaped recess 28 of the change frame 18 act when the change frame 18 and the shaving head frame 12 are joined together, which takes place in the direction of the arrows A according to FIGS. 8 and 9 of the drawing, with the guide strips 35 and 38, respectively.
  • the latch 31 of the holding finger 30 overflows the lower boundary edge of the guide and holding bar 38 with the result that the holding finger 30 is bent open.
  • the force awakened in the holding finger is used to in the End position to convert the catch 31 into its locked position, in which it interacts with the lateral boundary wall of the guide and holding bar 38.
  • the removable frame 18 can be detached from the shaving head frame 12 in a simple manner by exerting a pressure against the direction of arrow A on the outer surface of the narrower front wall 41 of the removable frame 18.
  • the detent 31 of the holding finger comes free from the guide and holding bar 38, as does the raised front edge 36 of the guide bar 35 from the opening 29 in the wake-up frame 18.
  • the inventive design of the holding and guiding elements of both the removable frame and the shaving head frame means that one can additional actuator can be dispensed with, which was previously required to solve the connection between the removable frame 18 and the shaving head frame 12. This also eliminates a special bearing point for the actuator.
  • the embodiment shown is only one example of realizing the invention and it is not restricted to this. Rather, many other designs and applications are possible.
  • the guiding and holding elements of both the shaving head frame 12 and the interchangeable frame 18 can be configured differently from the one shown. Only when changing these parts, care must be taken to ensure that, according to the invention, the interchangeable frame 18 is inserted laterally into the shaving head frame 12, that is to say an insertion transversely to the longitudinal direction of the shaving head frame 12 and thus of the dry shaving apparatus 10. It remains to be added that when the dry shaving apparatus 10 is not in use whose shaving foil is covered in a known manner by an expediently transparent protective cap 25. This is designed so that it also includes the long hair cutter 22. For this purpose, it has a receptacle 44 on one side.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP87111667A 1987-02-02 1987-08-12 Rasoir à sec Expired - Lifetime EP0277271B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111667T ATE72777T1 (de) 1987-02-02 1987-08-12 Trockenrasierapparat.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873702998 DE3702998A1 (de) 1987-02-02 1987-02-02 Trockenrasierapparat
DE3702998 1987-02-02

Publications (3)

Publication Number Publication Date
EP0277271A2 true EP0277271A2 (fr) 1988-08-10
EP0277271A3 EP0277271A3 (en) 1989-09-06
EP0277271B1 EP0277271B1 (fr) 1992-02-26

Family

ID=6320020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111667A Expired - Lifetime EP0277271B1 (fr) 1987-02-02 1987-08-12 Rasoir à sec

Country Status (6)

Country Link
US (1) US4835861A (fr)
EP (1) EP0277271B1 (fr)
JP (1) JPS63194690A (fr)
AT (1) ATE72777T1 (fr)
DE (2) DE3702998A1 (fr)
ES (1) ES2029461T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070056166A1 (en) * 2003-11-11 2007-03-15 Matsushita Electric Works, Ltd. Electric shaver
DE102004020954B3 (de) * 2004-04-28 2006-02-09 Braun Gmbh System bestehend aus einem elektrischen Rasierapparat und wenigstens einem Zubehörteil
GB0516188D0 (en) * 2005-08-05 2005-09-14 Gillette Co Electric razors
US7540087B2 (en) * 2006-07-14 2009-06-02 The Gillette Company Shaving razor
US20090165303A1 (en) * 2007-12-27 2009-07-02 Patrick Burgess Dual-action hair trimmer
JP6849809B2 (ja) 2017-01-26 2021-03-31 ブラウン ゲーエムベーハー 光源を有するかみそり
US11602865B2 (en) 2020-12-10 2023-03-14 Andis Company Hair clipper with tapered radial handle
USD974659S1 (en) 2020-12-10 2023-01-03 Andis Company Hair clipper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2111446A5 (fr) * 1970-10-22 1972-06-02 Sperry Rand Corp
GB2036631A (en) * 1978-12-11 1980-07-02 Gillette Co Dry shavers
DE3426775A1 (de) * 1984-07-20 1986-01-23 Heinrich 3507 Baunatal Krahn Mechanischer rasierkopf mit getrenntem antrieb

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT323601B (de) * 1972-01-28 1975-07-25 Krups Fa Robert Scherkopf für trockenrasiergeräte
US3874079A (en) * 1974-06-06 1975-04-01 Schick Inc Auxiliary trimmer assembly for an electric shaver
DE2637302A1 (de) * 1976-08-19 1978-02-23 Braun Ag Scherkopf fuer trockenrasierapparate
JPS5363165A (en) * 1976-11-15 1978-06-06 Matsushita Electric Works Ltd Mechanism for laterally driving movable blade of electric shaver
NL8003670A (nl) * 1980-06-25 1982-01-18 Philips Nv Scheerapparaat.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2111446A5 (fr) * 1970-10-22 1972-06-02 Sperry Rand Corp
GB2036631A (en) * 1978-12-11 1980-07-02 Gillette Co Dry shavers
DE3426775A1 (de) * 1984-07-20 1986-01-23 Heinrich 3507 Baunatal Krahn Mechanischer rasierkopf mit getrenntem antrieb

Also Published As

Publication number Publication date
ATE72777T1 (de) 1992-03-15
EP0277271A3 (en) 1989-09-06
DE3702998A1 (de) 1988-08-11
EP0277271B1 (fr) 1992-02-26
JPS63194690A (ja) 1988-08-11
DE3776884D1 (de) 1992-04-02
ES2029461T3 (es) 1992-08-16
US4835861A (en) 1989-06-06

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