EP0208380A2 - Rasoir électrique - Google Patents

Rasoir électrique Download PDF

Info

Publication number
EP0208380A2
EP0208380A2 EP86201189A EP86201189A EP0208380A2 EP 0208380 A2 EP0208380 A2 EP 0208380A2 EP 86201189 A EP86201189 A EP 86201189A EP 86201189 A EP86201189 A EP 86201189A EP 0208380 A2 EP0208380 A2 EP 0208380A2
Authority
EP
European Patent Office
Prior art keywords
shaving head
electric motor
carrier
base part
swing bridge
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
EP86201189A
Other languages
German (de)
English (en)
Other versions
EP0208380A3 (en
EP0208380B1 (fr
Inventor
Herbert Piber
Günther Schmid
Johann Schuhfleck
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of EP0208380A2 publication Critical patent/EP0208380A2/fr
Publication of EP0208380A3 publication Critical patent/EP0208380A3/de
Application granted granted Critical
Publication of EP0208380B1 publication Critical patent/EP0208380B1/fr
Expired 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
    • B26B19/02—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

Definitions

  • the invention relates to a dry shaving apparatus with a shaving head which can be placed on a basic device and has a longitudinal and transverse extension, which is held in place with two opposing detents, each of which cooperates with the transverse walls of the shaving head and can be released against a spring action, and which carries at least one upper knife with which a reciprocating in the longitudinal extent of the shaving head drivable undercutter cooperates, which is driven by the output-side part of a swing bridge arranged in the basic device, which in turn is driven by an eccentric from the drive shaft of an essentially cylindrical motor housing having an electric motor, which with the motor housing from of the swing bridge is technologically connected to a stationary base part thereof, its drive shaft being passed through an opening provided in the base part to the driven part of the swing bridge.
  • a link extending transversely to the drive shaft and supporting with its free ends on the base part of the swing bridge is attached to connect the electric motor to the swing bridge on the end of the electric motor facing the drive shaft
  • Both sides of the drive shaft of the electric motor each have a U-shaped bulge through which screws are passed, which also penetrate the base part of the swing bridge, whereby the electric motor is held in the manner of a clamp connection to the base part of the swing bridge.
  • the shaving head is held on the basic device with two locking bolts which can be adjusted against the action of one spring each.
  • Such a dry shaver is relatively complex because it has a relatively large number of individual parts, which means that its assembly is also not easy and is therefore relatively time-consuming.
  • the invention has set itself the goal of designing a dry shaver of the type mentioned at the outset in such a way that it has as few individual parts as possible and its assembly is as simple as possible so that it can also be carried out fully mechanized if necessary.
  • a U-shaped frame-like support is connected to the base part of the swing bridge, the longitudinal webs of which run parallel to the drive shaft of the electric motor and project from the base bridge so that the electric motor is inserted into this support
  • the motor housing is supported on the base part with the end facing the drive shaft and on the crossbar of the carrier with the end facing away from the drive shaft and is partially circumferentially encompassed by the two longitudinal webs of the carrier to form engine mounts that the two catches for holding the shaving head in the region of the Free ends of two resiliently pivotable tongues are provided, that the tongues are connected to the base part of the swing bridge, that at least one support for the shaving head is provided on the base part of the swing bridge, against which it is held by the two notches, and that the
  • the shaving head is held on the plate forming a support for it with two mutually opposite detents that can be released against a spring action, which are designed as hooks in the region of the free ends of two resiliently pivotable tongues, which in turn are connected to the plate and to one form an integral part.
  • the swing armature motor which interacts directly with the lower blade of the shaving head, is fastened to the plate with screws.
  • This dry shaving apparatus therefore has no oscillating bridge, so that the plate only serves to hold the shaving head and fasten the oscillating armature motor, with no provision being made for the oscillating armature motor to be without. additional fasteners can be connected to the plate.
  • a one-piece component which fulfills a total of three functions, namely the mounting and positioning of the electric motor, the formation of the swing bridge and the mounting of the shaving head.
  • the U-shaped frame-like support is supported on the housing of the basic device with its side facing away from the electric motor. In this way, the holder of the electric motor is particularly stable since the carrier itself is supported.
  • the electric motor is loaded on its side facing away from the U-shaped frame-like carrier by at least one spring element which presses it towards the carrier. This very well stabilizes the mounting of the electric motor, especially in the case of shock loads.
  • spring elements there are rubber buffers, rubber strips, foam strips and the like, which can be attached, for example, to the housing of the basic device.
  • the resiliently pivotable tongues can be made elastically resilient as a whole. It has proven to be very advantageous, however, if the tongues are rigid in themselves and are connected to the base part of the swing bridge via two coaxial rods, each projecting laterally from the end facing away from the latching free end, forming torsion springs. Such a division into resilient areas and rigid areas of the tongues means that on the one hand they can be pivoted well resiliently and on the other hand securely hold the shaving head on the base part of the swing bridge.
  • the entire one-piece component can be made of a relatively high rigidity plastic material, so that it is stable as a whole and ensures proper mounting of the shaving head and the electric motor, the spring action for the catches being obtained by dimensioning the rods.
  • Fig. 1 shows partially in section and in plan view a dry shaver, in which the swing bridge, the support for the electric motor, the tabs with tongues for holding the shaving head and two shaving head supports are made as a one-piece part, the tongues as a whole being elastically resiliently pivotable are trained.
  • Fig. 2 shows a section along the line II-II in Fig. 1.
  • Fig. 3 shows in the representation of Fig.
  • FIG. 1 a section of a dry shaver, in which the notches provided with the tabs for holding the shaving head are rigid in themselves and are connected to the base part of the oscillating bridge via two torsion springs.
  • FIG. 4 shows a section along the line IV-IV in FIG. 3.
  • 1 and 2 denotes a basic device of a dry shaving apparatus, the housing of which is composed of two housing shells 2 and 3.
  • a shaving head 4 can be placed on this basic device 1, which carries a shear head 6 on a shaving head frame 5, with which a lower knife 7 which can be driven back and forth in the longitudinal extension of the shaving head 4 interacts.
  • the upper knife 6 is designed as a curved screen shear film and the lower knife 7 as a lamellar knife.
  • the upper knife and the lower knife could also be designed in a known manner as interacting channel knives.
  • the basic device 1 includes an electric motor 10, which can be fed by accumulators 8 and 9, a swing bridge 11 and further individual parts, such as an on / off switch 12, which together with the two accumulators 8 and 9 and a charging circuit for the same, not shown here designated, electrical switching elements on a Printed circuit board 13 is arranged.
  • the swing bridge 11 constructed in the usual way has a stationary base part 14, which is held between the housing shells 2 and 3, for which purpose its border, adapted to the interior of the housing and bearing a sealing ring 15, engages with the sealing ring 15 in corresponding grooves 16 on the housing switches 2 and 3 .
  • the base part 14 is connected via film hinges 17 and 18 to the output side part 19 of the swing bridge 11, which in turn can be driven back and forth.
  • This part 19 is driven by the drive shaft 20 of the electric motor 10 via an eccentric 21 placed on the drive shaft 20, the eccentric pin 22 of which engages in a slot 23 provided on the part 19.
  • the electric motor 10 which has an essentially cylindrical housing, is connected to the base part 14 of the swing bridge 11 in such a way that its motor housing points away from the swing bridge 11, its drive shaft 20 through an opening 24 provided in the base part 14 to the output-side part 19 of the swing bridge 11 is passed through.
  • the power transmission from the swing bridge 11 to the lower knife 7 takes place via a drive arm 25 provided on the output-side part 19 thereof, which engages in a fork-shaped extension 26 provided on the lower knife 7.
  • the shaving head 4 resting on the base part 14 of the swing bridge 11 provided with supports 27 and 28 is provided with two mutually opposite, each with the transverse walls 29 and 30 of the shaving head frame 5 of the shaving head 4, releasable against a spring action, at the free end of two tongues 31 and 32 provided detents 33 and 34 held.
  • the catches 33 and 34 are formed by hook-shaped projections which engage in corresponding openings in the transverse walls 29 and 30 of the shaving head frame 5.
  • the catches provided on the free ends of the tongues 29 and 30 it would also be possible for the catches provided on the free ends of the tongues 29 and 30 to be formed by openings into which hooks provided on the transverse walls 29 and 30 of the shaving head frame 5 engage.
  • the supports 27 and 28 for the shaving head 4 it should be noted that instead of the two strip-shaped supports 27 and 28 provided here, four individual supports could also be provided, or the base part 14 itself could also serve as a support for the shaving head 4, if the shaving head frame 5 of the same up to this Base part 14 is formed reaching.
  • a U-shaped frame-like carrier 35 is connected to the base part 14 of the swing bridge 11, the two longitudinal webs 36 and 37 of which extend parallel to the drive shaft 20 of the electric motor 10 and project from the swing bridge 11 pointing away from the base part 14 thereof.
  • the electric motor 10 is inserted into this carrier 35, its motor housing being supported on the base part 14 with the end face 38 facing the drive shaft 20 and on the transverse web 40 of the carrier 35 with the end face 39 facing away from the drive shaft 20 and by the two longitudinal webs 36 and 37 of the carrier 35 for forming motor mounts is partially partially circumferentially encompassed.
  • These two motor supports can be clearly seen in particular in FIG. 2.
  • the essentially cylindrical motor housing has two circular-arc-shaped circumferential sections 41 and 42 and two opposing, segmented, level side walls 43 and 44 which run in the direction of the drive shaft 20, as is common in such electric motors.
  • the longitudinal web 36 for the partial circumferential encirclement of the motor housing has two adjoining sections 45 and 46, of which the section 45 is circular and the section 46 is flat, the motor housing with its circular peripheral section 42 being supported on the circular section 45 and with its side wall 43 abuts the flat section 46 of this longitudinal web 36.
  • the other longitudinal web 37 of the carrier 35 is designed in such a way that it only has an arcuate section 47, on which the motor housing is also supported with its circular arc-shaped circumferential section 42. If desired, this longitudinal web 37 could of course also have an additional flat section against which the side wall 44 of the motor housing could then rest.
  • the provision of such flat sections on the longitudinal webs 36 and 37 is not absolutely necessary, but in the case of a motor housing which has side walls 43 and 44, it offers the advantage of a torsion-proof mounting of the electric motor 10. In this way, it forms the base part 14 of the oscillating bridge 11 connected U-shaped frame-like carrier 35 a secure holder for the electric motor 10, which positions it perfectly in its position in relation to the swing bridge 11.
  • the base part 14 of the swing bridge 11 With the base part 14 of the swing bridge 11 are also the the tabs 33 and 34 carrying tongues 31 and 32 and the shaving head supports 27 and 28 connected.
  • the swing bridge 11 forms together with the carrier 35, the tongues 31 and 32 and the shaving head on bearings 27 and 28 an integral part that can be made very easily from plastic.
  • This one-piece part thus fulfills several functions, namely the mounting of the electric motor 10, the releasable mounting of the shaving head 4 and the formation of a swing bridge 11 for converting the rotating drive movement of the electric motor 10 into a reciprocating drive movement for the lower knife 7 of the shaving head 4.
  • the carrier 35 formed by the two longitudinal webs 36 and 37 and the transverse web 40 is designed such that its side facing away from the electric motor 10 is supported on the housing, here the housing shell 2, of the basic device 1.
  • the holder of the electric motor 10 is particularly stable since the carrier 35 itself is supported.
  • a mutually corresponding profiling, as can be seen in FIG. 2, on the one hand the housing shell 2 and on the other hand the two longitudinal webs 36 and 37 and the transverse web 40 also secure the position of the carrier 35.
  • the electric motor 10 is loaded on its side facing away from the carrier 35 by two spring elements 48 and 49 which press it towards the carrier 35.
  • these two spring elements 48 and 49 are formed by gunmist strips, which are supported on the housing, here the housing shell 3, of the basic device 1.
  • the two rubber strips are combined by two webs, of which a web 50 is visible in FIG. 2, to form a frame which can be easily placed on the electric motor 10 when the dry shaving apparatus is being installed.
  • the two gun bars it would also be possible to attach the two gun bars to the housing shell 3.
  • the mounting of the electric motor is very well stabilized with the two spring elements 48 and 49, particularly in the case of shock loads.
  • the two rubber bars also form a spacing of the two accumulators 8 and 9 from the electric motor 10.
  • other designs for such spring elements would also be possible, such as, for example, rubber buffers or foam strips and the like.
  • the motor housing of the electric motor 10 has on each of its two end faces 38 and 39 a shoulder 51 and 52 which is coaxial with the drive shaft 20 of the electric motor 10.
  • these approaches 51 and 52 can also be used to hold and position the electric motor 10.
  • the opening 24 provided in the base part 14, through which the drive shaft 20 of the electric motor 10 is guided to the output-side part 19 of the swing bridge 11, is designed as a trough-shaped recess in which the shoulder 51 engages appropriately and is diametrically embraced in the present case.
  • the other projection 52 fits in a groove-shaped recess 53 provided on the crosspiece 40 of the carrier 35, as can be seen in particular in FIG. 2. In this way, a particularly good and secure mounting and positioning of the electric motor 10 is achieved.
  • the tongues 31 and 32 having the detents 33 and 34 are designed to be resilient due to the choice of their cross-sectional dimensions in order to releasably hold the shaving head 4 on the base part 14 of the swing bridge 11.
  • the tongues, of which FIG. 3 shows a tongue 31 are inherently rigid and have two coaxial, laterally facing away from the free end having the catch End projecting, torsion springs forming rods, here the rods 54 and 55, are connected to the base part 14 of the swing bridge 11.
  • Such a division into resilient areas formed by the rods 54 and 55 and rigid areas formed by the tongues ensures that the tongues together with the catches can be pivoted well resiliently on the one hand and on the other hand hold the shaving head 4 securely on the base part 14 of the swing bridge 11 .
  • the entire one-piece component, which forms the oscillating bridge, the carrier, the tongues with the catches and the shaving head supports, can be made of a plastic which gives a relatively high rigidity Material are made so that it is stable as a whole and ensures proper mounting of the shaving head 4 and the electric motor 10, the spring action for the catches provided on the tongues being obtained by the dimensioning of the rods 54 and 55.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Non-Insulated Conductors (AREA)
EP86201189A 1985-07-09 1986-07-07 Rasoir électrique Expired EP0208380B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2030/85 1985-07-09
AT0203085A AT385935B (de) 1985-07-09 1985-07-09 Trockenrasierapparat

Publications (3)

Publication Number Publication Date
EP0208380A2 true EP0208380A2 (fr) 1987-01-14
EP0208380A3 EP0208380A3 (en) 1987-05-20
EP0208380B1 EP0208380B1 (fr) 1989-10-18

Family

ID=3526301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86201189A Expired EP0208380B1 (fr) 1985-07-09 1986-07-07 Rasoir électrique

Country Status (7)

Country Link
US (1) US4813136A (fr)
EP (1) EP0208380B1 (fr)
JP (1) JPS6214883A (fr)
AT (2) AT385935B (fr)
CA (1) CA1262816A (fr)
DE (1) DE3666378D1 (fr)
ES (1) ES2000474A6 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT395125B (de) * 1991-01-18 1992-09-25 Philips Nv Elektrisches trockenrasiergeraet
US5259116A (en) * 1991-06-17 1993-11-09 Kim Laube Animal grooming clipper
US20050172492A1 (en) * 2004-02-06 2005-08-11 Ridgewood Industries Llc Electric shaver
CN115256473A (zh) * 2022-07-01 2022-11-01 深圳市景创科技电子股份有限公司 减震剃须刀

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772779A (en) * 1970-03-23 1973-11-20 Gillette Co Safety razor
AT334245B (de) * 1975-01-10 1976-01-10 Philips Nv Elektromotorisch angetriebenes gerat
GB1534712A (en) * 1975-05-02 1978-12-06 Gillette Co Electric shavers
JPS5363165A (en) * 1976-11-15 1978-06-06 Matsushita Electric Works Ltd Mechanism for laterally driving movable blade of electric shaver
AT347018B (de) * 1976-11-26 1978-12-11 Philips Nv Elektromotorisch angetriebenes geraet
AT353141B (de) * 1978-02-10 1979-10-25 Philips Nv Trockenrasierapparat
AT366947B (de) * 1979-09-19 1982-05-25 Philips Nv Trockenrasierapparat
AT379257B (de) * 1979-11-22 1985-12-10 Philips Nv Geraet mit einem elektromotor
JPS60175361A (ja) * 1984-02-20 1985-09-09 Sanyo Electric Co Ltd 防水式電池機器

Also Published As

Publication number Publication date
AT385935B (de) 1988-06-10
ATA203085A (de) 1987-11-15
EP0208380A3 (en) 1987-05-20
DE3666378D1 (en) 1989-11-23
ATE47345T1 (de) 1989-11-15
EP0208380B1 (fr) 1989-10-18
CA1262816A (fr) 1989-11-14
ES2000474A6 (es) 1988-03-01
JPS6214883A (ja) 1987-01-23
US4813136A (en) 1989-03-21

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