CN108381607A - The moving knife and its manufacturing method of rotary electric sharer - Google Patents
The moving knife and its manufacturing method of rotary electric sharer Download PDFInfo
- Publication number
- CN108381607A CN108381607A CN201810408444.7A CN201810408444A CN108381607A CN 108381607 A CN108381607 A CN 108381607A CN 201810408444 A CN201810408444 A CN 201810408444A CN 108381607 A CN108381607 A CN 108381607A
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- cutter hub
- moving knife
- interior
- cutterhead
- centre bore
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
-
- 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
- B26B19/3893—Manufacturing of shavers or clippers or components thereof
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Knives (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
The invention discloses a kind of moving knife of rotary electric sharer, are the structure of single layer cutterhead, double-pole body twolip.The cutter head structure of single layer is simple, and cost of manufacture is suitable with simplest twolip moving knife；Double-pole body Double-blade structure makes blade be corresponded with cutter hub so that structure of the cutter body is stablized, and is not in the case where stress is shaken when shaving；Particularly, some or all of interior cutter hub, feeding need the embryonic plate clout cut off from machining center hole originally, not only enable interior cutter hub do it is big do more, also reduce the weakening to cutterhead intensity.On the whole, not only high-quality but also at low cost the present invention overcomes the various defects of existing electric shaver moving knife.In addition, the invention also discloses a kind of methods manufacturing the moving knife.
Description
Technical field
The present invention relates to shaver technical fields, and in particular to the moving knife to a kind of rotary electric sharer and its manufacturer
Method.
Background technology
The stationary knife of rotary electric sharer（Knife net）Generally twin nuclei is corresponding to it, the moving knife of shaver（Cutter head）
It is also equipped with inside and outside two circles blade.Existing twolip moving knife has following three kinds of common structures, but there are some disadvantages.
（One）Hilted broadsword twolip, the attached drawing 1 of patent document CN102848408A is the typical structure of hilted broadsword twolip, U-shaped
Inner ring sword and outer ring sword are set respectively on the inside and outside branch of cutter hub, and the structure is relatively simple, but disadvantage is apparent.U-shaped cutter hub is in inner ring
Sword and outer ring sword collective effect are easily deformed, and when a certain sword deviates, corresponding another sword also can be impacted, it may appear that are drawn
Palpus, shave sordid problem；In addition, there is also inner ring swords and the outer ring sword degree of wear, inconsistent, U-shaped cutter hub thickness causes greatly
The shortcomings of keen edge degree is insufficient.
（Two）Double-pole twolip, the attached drawing 2 of patent document CN101896322B and the attached drawing 2 of patent document CN102848408A
A kind of moving knife of double-pole twolip is respectively disclosed, interior cutter hub and outer cutter hub, inner ring sword and outer ring sword difference are provided on cutterhead
It is arranged in interior cutter hub and outer cutter hub end.Since inner ring sword and outer ring sword are arranged independently of each other, outer cutter hub is unlikely to deform, but interior knife
Body is formed by hollow out feeding bending on cutterhead, and size, fold-type and quantity are all restricted, thus interior cutter hub there are intensity not
Sufficient, yielding, the problems such as speed that shaves is slow；Since cutterhead integral strength is weakened, after long-time use, or even will appear dynamic
The case where knife overall deformation.
（Three）The double-deck cutterhead, patent document CN201361884Y disclose a kind of double-deck cutterhead, including inside and outside two layers of cutterhead,
Interior cutter hub is set on interior cutterhead, and outer cutter hub is set on outer cutterhead.The structure overcomes the defect of hilted broadsword twolip, double-pole twolip, has strong
The advantage that degree is big, rigidity is good, but two layers of cutterhead concentricity requirement is high, therefore product manufacturing is time-consuming, cost is higher.
Invention content
In order to overcome the drawbacks described above of existing electric shaver twolip moving knife, the present invention provides a kind of rotary electrics to shave
The moving knife and its manufacturing method of knife.
The technical solution adopted by the present invention is as follows：
A kind of moving knife of rotary electric sharer：Including cricoid cutterhead, the cutterhead is set centre bore, interior by center successively outward
Cutter hub and outer cutter hub, for the centre bore for fixing actuator, the interior cutter hub and outer cutter hub are circumferentially disposed, described interior
It is respectively equipped with inner ring sword and outer ring sword on cutter hub and outer cutter hub, the interior cutter hub interlinks with the centre bore, the interior cutter hub
It is formed by the outside fold-type in the center of the centre bore.
Above-mentioned technical proposal can be also expressed as：Including cricoid cutterhead, the cutterhead set successively outward by center centre bore,
Interior cutter hub and outer cutter hub, for the centre bore for fixing actuator, the interior cutter hub and outer cutter hub are circumferentially disposed, described
Some or all of inner ring sword and outer ring sword, the interior cutter hub are respectively equipped on interior cutter hub and outer cutter hub, feeding is from described in processing
Centre bore needs the embryonic plate clout cut off and then is formed through fold-type originally.
The periphery of the centre bore includes several blind slots radially, open end and the centre bore of the blind slot
Connection, the interior cutter hub are arranged at the blind slot blind end.
The beneficial effects of the invention are as follows：The present invention is the structure of single layer cutterhead, double-pole body twolip.The cutter head structure letter of single layer
Single, cost of manufacture is suitable with simplest twolip moving knife；Double-pole body Double-blade structure makes blade be corresponded with cutter hub so that knife
Body stable structure is not in the case where shake when shaving stress；Particularly, some or all of interior cutter hub, feeding are processed certainly
Centre bore needs the embryonic plate clout cut off originally, not only enable interior cutter hub do it is big do more, also reduce the weakening to cutterhead intensity.
On the whole, not only high-quality but also at low cost the present invention overcomes the various defects of existing electric shaver moving knife.
Preferably, at least one circle inner ring sword is provided on the interior cutter hub, it is outer to be provided at least one circle on the outer cutter hub
Enclose sword.
Preferably, blind slot both sides of the centre bore after the interior cutter hub fold-type form spur.
Preferably, the outer cutter hub, feeding from outside the cutterhead embryonic plate then form through fold-type.
Preferably, the interior cutter hub includes interior armstand and inner blade, and the interior armstand upper end is arranged in the inner blade, described
Inner ring sword is arranged on the inner blade；The maximum side wall of area of the interior armstand is radial vertical with the cutterhead.
Preferably, the outer cutter hub includes outer armstand and outer blade, and the outer armstand upper end is arranged in the outer blade, described
Outer ring sword is arranged on the outer blade；The maximum side wall of area of the outer armstand is radial vertical with the cutterhead.
Preferably, the circumferential wall of the centre bore is equipped with T shape lug bosses, for fixing the actuator.
Preferably, the quantity of the interior cutter hub is less than the quantity of the outer cutter hub.
In order to produce above-mentioned moving knife, present invention employs following manufacturing methods：
A. it stocks up：Leveling is compressed to band-like embryonic plate；
B. it is molded：Punch process is made to embryonic plate, forms cutterhead, the centre bore of cutter head center, the interior cutter hub on cutterhead and outer cutter hub,
Obtain moving knife stamping parts；
C. it is heat-treated：Moving knife stamping parts is quenched；
D. it is molded：Actuator is molded on centre bore；
E. it is ground：It processes inner ring sword and outer ring sword respectively on inner blade and outer blade, ensures the shape of inner ring sword and outer ring sword
Shape matches with stationary knife shape.
Preferably, in the step b, the outer cutter hub turns down 90 ° by export-oriented center by the embryonic plate on the outside of cutterhead and forms, institute
Some or all of interior cutter hub is stated, 90 ° is turned down outward by center by the embryonic plate in centre bore and forms, interior cutter hub and outer cutter hub upper end
It is respectively formed inner blade and outer blade through lateral 90 ° of bendings.
Preferably, in the step c, inserts is made with moving knife stamping parts and carries out injection molding.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the embodiment of the present invention.
Fig. 2 is the stereoscopic schematic diagram of the embodiment of the present invention（Save actuator）.
Fig. 3 is the vertical view of the embodiment of the present invention.
Fig. 4 is the vertical view of the embodiment of the present invention（Save actuator）.
Fig. 5 is the manufacturing process schematic diagram of the embodiment of the present invention.
It is cutterhead 1, actuator 2, centre bore 3, interior cutter hub 4, outer cutter hub 5, spur 31, T shapes lug boss 32, inner ring sword 41, interior
Armstand 42, inner blade 43, outer ring sword 51, outer armstand 52, outer blade 53.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
In embodiment, as shown in Fig. 1 ~ 4, a kind of moving knife of rotary electric sharer：Including cricoid cutterhead 1, the knife
Disk 1 is set centre bore 3, interior cutter hub 4 and outer cutter hub 5 by center successively outward, and the centre bore 3 is described interior for fixing actuator 2
Cutter hub 4 and outer cutter hub 5 are circumferentially disposed, and inner ring sword 41 and outer ring sword are respectively equipped on the interior cutter hub 4 and outer cutter hub 5
51；The interior cutter hub 4 interlinks with the centre bore 3, and the interior cutter hub 4 is formed by the outside fold-type in center of the centre bore 3.
Above-mentioned technical proposal can be also expressed as：Some or all of described interior cutter hub 4, feeding need originally from the centre bore 3 is processed
It the embryonic plate clout of excision and then is formed through fold-type.
The present embodiment is the structure of single layer cutterhead, double-pole body twolip.The cutter head structure of single layer is simple, cost of manufacture with most
Simple twolip moving knife is suitable；Double-pole body Double-blade structure makes blade be corresponded with cutter hub so that structure of the cutter body is stablized, and will not go out
The case where being shaken when the stress that now shaves；Particularly, some or all of interior cutter hub 3, feeding need to cut originally from machining center hole 3
The embryonic plate clout removed, not only enable interior cutter hub 3 do it is big do more, also reduce the weakening to 1 intensity of cutterhead.On the whole, this reality
The various defects that example overcomes existing electric shaver moving knife are applied, it is not only high-quality but also at low cost.
" interior cutter hub 4 and the centre bore 3 interlink " described herein refers to being not present between interior cutter hub 4 and centre bore 3
Entity is spaced, and particularly relates to the position of itself of cutterhead 1 and do not appear between cutter hub 4 and centre bore 3 be spaced.
" some or all of interior cutter hub 3 " described herein includes two kinds of meanings, the first meaning refers to some interior cutter hub 3
Some or all of structure, second of meaning refer to several or whole in multiple interior cutter hubs 3.The interior cutter hub 3 of the present embodiment,
42 main feeding of interior armstand belongs to from embryonic plate clout at centre bore 3 described in the first meaning from cutterhead 1,43 feeding of inner blade
Situation.
In embodiment, as shown in Fig. 1 ~ 4, the periphery of the centre bore 3 includes several blind slots 33 radially, described
The open end of blind slot 33 is connected to the centre bore 3, and the interior cutter hub 4 is arranged at 33 blind end of the blind slot.The present embodiment
Blind slot 33 be interior cutter hub 4 bending space is provided, also provide guarantee to meet the requirement for height of inner ring sword 41.
In embodiment, it is provided at least one circle inner ring sword 41 on the interior cutter hub 4, is provided at least on the outer cutter hub 5
One circle outer ring sword 51.Currently, rotary electric sharer in the market is mostly twin nuclei, but there are also more advanced tricyclics very
To four ring shavers, multi-cutter-disk composite structure is mostly used.And 1 ~ 2 is arranged on interior cutter hub 4 or outer cutter hub 5 in the present embodiment
Blade is enclosed, or the present embodiment is applied directly in the structure of multi-cutter-disk, can very easily obtain a kind of multi-ring shaver, with
Compared with performance products, cost can be substantially reduced.
In embodiment, as shown in Fig. 2 ~ 4, notch both sides of the centre bore 3 after 3 fold-type of interior cutter hub form spur
31, the circumferential wall of the centre bore 3 is equipped with T shapes lug boss 32.The spur 31 of the present embodiment is used to solid with T shapes lug boss 32
Surely it is molded actuator 2, so that cutterhead 1 is connect with actuator 2 closer, is not easy to loosen.
In embodiment, as shown in Fig. 1 ~ 4, the outer cutter hub 5, feeding from outside the cutterhead 1 embryonic plate then through fold-type
It forms.The 5 complete feeding of outer cutter hub of the present embodiment is from outside cutterhead 1, to avoid 1 intensity of cutterhead is weakened.
In embodiment, as shown in Fig. 1 ~ 4：The interior cutter hub 4 includes interior armstand 42 and inner blade 43, and the inner blade 43 is set
42 upper end of interior armstand is set, the inner ring sword 41 is arranged on the inner blade 43；The area of the interior armstand 42 is maximum
Side wall is radial vertical with the cutterhead 1；Preferably, the outer cutter hub 5 includes outer armstand 52 and outer blade 53, the outer blade
53 setting 52 upper ends of outer armstand, the outer ring sword 51 are arranged on the outer blade 53；The area of the outer armstand 52 is most
Big side wall is radial vertical with the cutterhead 1.The present embodiment structure makes interior armstand 42 and outer armstand 52, with the rotation of moving knife
Turn that direction is tangent, i.e., its Impact direction is exactly the direction of its max architecture intensity, therefore stability is good, is unlikely to deform.
In embodiment, as shown in Fig. 1 ~ 4：The quantity of the interior cutter hub 4 is less than the quantity of the outer cutter hub 5.The present embodiment
The ratio between the ratio of number of interior cutter hub 4 and outer cutter hub 5 and the two and 1 centre distance of cutterhead are close, so that inner ring sword 41 and
The abrasion scale of outer ring sword 51 is consistent, and the stabilization for still ensuring that performance is used for a long time in shaver,
The present embodiment uses following manufacturing method, as shown in Figure 5 to produce above-mentioned moving knife.
A. it stocks up：Sizing is flattened and compressed to band-like embryonic plate using forcing press；Forcing press can be used double herein
The structure of idler wheel.
B. it is molded：Embryonic plate is made using Strip layout it is cold stamping shaped, be initially formed cutterhead 1,1 inner circumferential of cutterhead center
Hole 3, the interior cutter hub 4 of 1 centre circle of cutterhead, 1 periphery of cutterhead outer cutter hub 5, then in cutter hub 4 rolled over through lateral 90 ° with 5 upper end of outer cutter hub
It is curved to be respectively formed inner blade 43 and outer blade 53, final cutting cutterhead 1 and embryonic plate, it is rear to form moving knife stamping parts；Wherein, outer knife
Body 5 turns down 90 ° by export-oriented center by the embryonic plate in the outside of cutterhead 1 and forms, some or all of interior cutter hub 4, by the embryo in centre bore 3
Plate turns down 90 ° by center and forms outward.
C. it is heat-treated：Moving knife stamping parts is preheated, 1025 DEG C ~ 1100 DEG C quenchings, after 200 DEG C or so tempers, makes it
Hardness reaches HV540 ~ 620.
D. it is molded：Insert injection moulding processing is carried out to the moving knife stamping parts after heat treatment using injection mold, on centre bore 3
Form the actuator 2 of plastics；Moving knife stamping parts is molded as inserts, and cutterhead 1 may make to combine together with actuator 2, knot
Structure firm stable, and good concentricity.
E. it is ground：It is ground out inner ring sword 41 and outer ring sword 51 respectively on inner blade 43 and outer blade 53, ensures inner ring sword
41 match with the shape of outer ring sword 51 with stationary knife shape；Electrochemical process grinding can be selected herein.
F. quality inspection is put in storage.Machine.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to this
The connotation changes and variations that derived from of invention still fall within protection scope of the present invention.
Claims (13)
1. a kind of moving knife of rotary electric sharer, including cricoid cutterhead（1）, the cutterhead（1）It is set successively outward by center
Centre bore（3）, interior cutter hub（4）With outer cutter hub（5）, the centre bore（3）For fixing actuator（2）, the interior cutter hub（4）With
Outer cutter hub（5）It is circumferentially disposed, the interior cutter hub（4）With outer cutter hub（5）On be respectively equipped with inner ring sword（41）With outer ring sword
（51）, it is characterised in that：The interior cutter hub（4）With the centre bore（3）It interlinks, the interior cutter hub（4）By the centre bore
（3）The outside fold-type in center form.
2. a kind of moving knife of rotary electric sharer, including cricoid cutterhead（1）, the cutterhead（1）It is set successively outward by center
Centre bore（3）, interior cutter hub（4）With outer cutter hub（5）, the centre bore（3）For fixing actuator（2）, the interior cutter hub（4）With
Outer cutter hub（5）It is circumferentially disposed, the interior cutter hub（4）With outer cutter hub（5）On be respectively equipped with inner ring sword（41）With outer ring sword
（51）, it is characterised in that：The interior cutter hub（4）Some or all of, feeding processes the centre bore certainly（3）Originally it needs to cut off
Embryonic plate clout then formed through fold-type.
3. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The centre bore（3）It is outer
Week includes several blind slots radially（33）, the blind slot（33）Open end and the centre bore（3）Connection, it is described interior
Cutter hub（4）It is arranged in the blind slot（33）At blind end.
4. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The interior cutter hub（4）On set
It is equipped at least one circle inner ring sword（41）, the outer cutter hub（5）On be provided at least one circle outer ring sword（51）.
5. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The centre bore（3）Institute
State interior cutter hub（4）Blind slot after fold-type（33）Both sides form spur（31）.
6. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The outer cutter hub（5）, take
Expect from the cutterhead（1）It external embryonic plate and then is formed through fold-type.
7. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The interior cutter hub（4）Including
Interior armstand（42）With inner blade（43）, the inner blade（43）The interior armstand is set（42）Upper end, the inner ring sword（41）If
It sets in the inner blade（43）On；The interior armstand（42）The maximum side wall of area and the cutterhead（1）It is radial vertical.
8. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The outer cutter hub（5）Including
Outer armstand（52）With outer blade（53）, the outer blade（53）The outer armstand is set（52）Upper end, the outer ring sword（51）If
It sets in the outer blade（53）On；The outer armstand（52）The maximum side wall of area and the cutterhead（1）It is radial vertical.
9. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The centre bore（3）Week
It is equipped with T shape lug bosses to wall（32）, for fixing the actuator（2）.
10. the moving knife of rotary electric sharer according to claim 1 or 2, it is characterised in that：The interior cutter hub（4）'s
Quantity is less than the outer cutter hub（5）Quantity.
11. a kind of manufacturing method of the moving knife of rotary electric sharer, it is characterized in that steps are as follows：
（a）Stock：Leveling is compressed to band-like embryonic plate；
（b）Molding：Punch process is made to embryonic plate, forms cutterhead（1）, cutterhead（1）The centre bore at center（3）, cutterhead（1）On it is interior
Cutter hub（4）With outer cutter hub（5）, obtain moving knife stamping parts；
（c）Heat treatment：Moving knife stamping parts is quenched；
（d）Injection molding：In centre bore（3）Upper injection molding actuator（2）；
（e）Grinding：In inner blade（43）With outer blade（53）It is upper to process inner ring sword respectively（41）With outer ring sword（51）, in guarantee
Enclose sword（41）With outer ring sword（51）Shape match with stationary knife shape.
12. the manufacturing method of the moving knife of rotary electric sharer according to claim 11, it is characterised in that：The step
（b）In, the outer cutter hub（5）By cutterhead（1）The embryonic plate in outside turns down 90 ° by export-oriented center and forms, the interior cutter hub（4）Portion
Point or all, by centre bore（3）Interior embryonic plate turns down 90 ° by center and forms outward, interior cutter hub（4）With outer cutter hub（5）Upper end passes through
Lateral 90 ° of bendings are respectively formed inner blade（43）With outer blade（53）.
13. the manufacturing method of the moving knife of rotary electric sharer according to claim 11, it is characterised in that：The step
（d）In, inserts is made with moving knife stamping parts and carries out injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408444.7A CN108381607B (en) | 2018-05-02 | 2018-05-02 | Movable blade of rotary electric shaver and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408444.7A CN108381607B (en) | 2018-05-02 | 2018-05-02 | Movable blade of rotary electric shaver and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381607A true CN108381607A (en) | 2018-08-10 |
| CN108381607B CN108381607B (en) | 2023-08-22 |
Family
ID=63065989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810408444.7A Active CN108381607B (en) | 2018-05-02 | 2018-05-02 | Movable blade of rotary electric shaver and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108381607B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601556A (en) * | 2021-06-18 | 2021-11-05 | 深圳素士科技股份有限公司 | Double-edged shaver head assembly and electric shaver |
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| US20170217030A1 (en) * | 2016-02-02 | 2017-08-03 | Izumi Products Company | Rotary electric shaver and method of manufacturing outer blade of rotary electric shaver |
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| CN212947917U (en) * | 2020-07-14 | 2021-04-13 | 温州市戍洋五金制造有限公司 | Tool bit assembly |
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| CN1454754A (en) * | 2002-04-18 | 2003-11-12 | 株式会社泉精器制作所 | Internal edge unit of rotary electric shaver |
| CN1970249A (en) * | 2005-11-21 | 2007-05-30 | 株式会社泉精器制作所 | Rotary electric shaver |
| US20100146791A1 (en) * | 2008-12-17 | 2010-06-17 | Tae-Jun Oh | Blade Assembly for Electric Razor |
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| US20170217030A1 (en) * | 2016-02-02 | 2017-08-03 | Izumi Products Company | Rotary electric shaver and method of manufacturing outer blade of rotary electric shaver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601556A (en) * | 2021-06-18 | 2021-11-05 | 深圳素士科技股份有限公司 | Double-edged shaver head assembly and electric shaver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108381607B (en) | 2023-08-22 |
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