CN111775185A - Electric shaver with storable tool bit - Google Patents
Electric shaver with storable tool bit Download PDFInfo
- Publication number
- CN111775185A CN111775185A CN202010776181.2A CN202010776181A CN111775185A CN 111775185 A CN111775185 A CN 111775185A CN 202010776181 A CN202010776181 A CN 202010776181A CN 111775185 A CN111775185 A CN 111775185A
- Authority
- CN
- China
- Prior art keywords
- cutter head
- bit
- housing
- support member
- shell
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B26B19/14—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
- B26B19/146—Complete cutting head being movable
-
- 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
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
The utility model belongs to the technical field of the razor technique and specifically relates to an electric shaver that tool bit can be accomodate includes: the cutter head assembly is arranged on the supporting member, the driving device is connected to the supporting member, and the driving device can drive the supporting member to move along the height direction of the shell through the transmission mechanism so that the cutter head assembly is contained in the shell or extends out of the shell. The application provides an electric shaver's that tool bit can be accomodate tool bit subassembly can take in into the shell when not using, can not occupy unnecessary space, and portable more receives the protection of shell not fragile moreover.
Description
Technical Field
The application relates to the technical field of shavers, in particular to an electric shaver with a storable shaver head.
Background
At present, three-head rotary electric shavers on the market generally consist of a head part and a shaver body, the head part is large, the shaver body is small, the shaver is inconvenient to carry outside, a shaver net is easy to damage, in addition, each brand product is provided with a protective cover for protecting the shaver net, and the protective cover is easy to lose.
Disclosure of Invention
An object of the application is to provide an electric shaver that the tool bit can be accomodate, the tool bit occupation space who has solved the razor that exists among the prior art to a certain extent is big, the inconvenient technical problem who carries of going out.
The application provides an electric shaver that tool bit can be accomodate includes: the cutter head assembly is arranged on the supporting member, the driving device is connected to the supporting member, and the driving device can drive the supporting member to move along the height direction of the shell through the transmission mechanism, so that the cutter head assembly is accommodated in the shell or extends out of the shell.
In the above technical solution, further, the cutter head assembly is rotatably disposed on the supporting member, and the driving device can drive the supporting member to move up and down along the height direction of the housing, so as to force the cutter head assembly to turn over relative to the supporting member and to be received in or extended out of the housing.
In any of the above technical solutions, further, the transmission mechanism includes a lead screw, a nut, and a nut seat; one end of the screw rod is connected with the driving device, and the other opposite end of the screw rod extends towards the cutter head assembly;
the nut is rotatably sleeved on the screw rod, the nut seat is connected with the screw rod, and the supporting component is connected with the nut seat.
In any of the above technical solutions, further, the support member includes a main body and a limiting portion; the limiting part is connected with one end of the main body, which is far away from the cutter head component, and the limiting part and the main body enclose a motion space; the cutter head component is rotatably connected with the main body; the nut seat is connected with the limiting part.
In any of the above technical solutions, further, the main body and the limiting portion are of an integrated structure.
The main body comprises a supporting seat and a moving seat which are connected; the cutter head assembly is rotatably connected with one end of the supporting seat far away from the moving seat; the limiting part is connected with one end, far away from the supporting seat, of the moving seat, and the limiting part and the moving seat are enclosed to form the moving space.
In any of the above technical solutions, further, the electric shaver with the storable cutter head further includes a first limiting member disposed in the movement space and a second limiting member disposed outside the movement space, the screw rod is sequentially and rotatably connected to the first limiting member and the second limiting member, and the first limiting member, the limiting portion of the supporting member, and the second limiting member are sequentially disposed along the height direction of the housing;
a portion of the structure of the first stop member is connected to the housing through a through opening formed in the body of the support member itself.
In any one of the above aspects, further, the through opening extends along a moving direction of the support member.
In any of the above technical solutions, further, the electric shaver with the storable shaver head further includes a guide member, one end of the guide member is connected to the housing, and the other end of the guide member opposite to the guide member is connected to the limiting portion.
In any of the above technical solutions, further, the cutter head assembly and the support member are rotatably connected through a connecting shaft provided to the support member.
In any of the above technical solutions, further, the electric shaver with the storable shaver head further includes an elastic reset member, and the elastic reset member is disposed between the shaver head assembly and the connecting shaft, and is used for providing a partial driving force for driving the shaver head assembly to extend outwards from the housing.
In any one of the above technical solutions, further, the elastic reset member is a torsion spring, the torsion spring is sleeved on the connecting shaft, one end of the torsion spring is connected with the connecting shaft, and the other end of the torsion spring opposite to the torsion spring is connected with the cutter head assembly.
In any of the above technical solutions, further, the number of the cutter head assemblies is three, and the three cutter head assemblies are uniformly arranged on the center line of the housing.
Compared with the prior art, the beneficial effect of this application is:
the application provides an electric shaver that tool bit can be accomodate, usable drive arrangement passes through drive mechanism drive tool bit subassembly downstream after the use, and the tool bit subassembly can receive the lateral thrust of shell in the downstream, thereby make the relative supporting member of tool bit subassembly overturn towards the inside of shell, accomodate into in the shell, shared space has been reduced, portable, in addition, the tool bit subassembly is accomodate into in the shell, can not collide with other article and damage, and is safer, and is reliable, also help prolonging the life of shaver.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a head assembly of an electric shaver with a storable head according to an embodiment of the present application, which is extended from a housing;
fig. 2 is a schematic structural view illustrating a head assembly of an electric shaver with a storable cutting head according to an embodiment of the present application being stored in a housing.
Reference numerals:
1-housing, 2-support member, 21-main body, 211-support seat, 212-moving seat, 22-limiting part, 3-screw rod, 4-driving device, 5-tool bit assembly, 6-first limiting member, 7-second limiting member, 8-guide member, 9-movement space.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
An electric shaver with a storable tool bit according to some embodiments of the present application will be described below with reference to fig. 1 and 2.
Referring to fig. 1 and 2, an embodiment of the present application provides an electric shaver with a storable tool bit, including: the cutter head assembly comprises a shell 1, a supporting component 2, a transmission mechanism, a driving device 4 and a cutter head assembly 5, wherein the supporting component 2, the transmission mechanism, the driving device 4 and the cutter head assembly 5 are arranged in the shell 1;
wherein the cutter head assembly 5 is rotatably arranged on the support member 2;
the driving device 4 is connected to the supporting member 2 through a transmission mechanism, and the driving device 4 can drive the supporting member 2 to ascend and descend along the height direction of the housing 1 so as to force the cutter head assembly 5 to overturn relative to the supporting member 2 to be received in the housing 1 or extend out of the housing 1.
The application provides an electric shaver that tool bit can be accomodate, usable drive arrangement 4 drives tool bit subassembly 5 downstream through drive mechanism after the use, and tool bit subassembly 5 can receive shell 1's lateral thrust in downstream, thereby make tool bit subassembly 5 relative supporting member 2 towards the inside upset of shell 1, accomodate into in the shell 1, shared space has been reduced, portable going out, in addition, tool bit subassembly 5 is accomodate into in the shell 1, can not collide and damage with other article, and is safer, and is reliable, also help prolonging the life of this shaver.
When the tool bit assembly 5 needs to be used, the driving device 4 can be used for driving the tool bit assembly 5 to move upwards through the transmission mechanism, so that the tool bit assembly 5 gradually extends out of the shell 1.
The operation is simple and convenient, and the practicability is strong.
It can be seen that the electric shaver that the tool bit can be accomodate that this application provided's tool bit subassembly 5 can accomodate into in the shell 1 when not using, can not occupy unnecessary space, and portable more receives the protection of shell 1 not fragile moreover.
Of course, not only the cutter head assembly 5 is rotatably disposed on the supporting member 2, but also the cutter head assembly can be fixedly disposed on the supporting member, when the driving device drives the supporting member to move upwards or downwards along the height direction of the housing through the transmission mechanism, the cutter head assembly also extends upwards out of the housing along the height direction of the housing or is accommodated downwards into the housing, and of course, the assembly relationship between the cutter head assembly and the supporting member can also take other forms.
In this embodiment, preferably, as shown in fig. 1 and 2, the transmission mechanism includes a lead screw 3, a nut, and a nut seat; one end of the screw rod 3 is connected with the driving device 4, and the other opposite end of the screw rod 3 extends towards the cutter head component 5;
the screw nut is rotationally sleeved on the screw rod 3, the nut seat is connected with the screw rod 3, and the supporting component 2 is connected with the nut seat.
According to the structure described above, the driving device 4 drives the screw to rotate, and the screw drives the nut to drive the nut seat to move along the height direction of the screw, so as to drive the supporting member 2 connected with the nut seat to move along the height direction of the housing 1, thereby laying the foundation for the tool bit assembly 5 to rotate relative to the supporting member 2 to be accommodated in the housing 1 or extend out of the housing 1.
Due to the adoption of the screw transmission mechanism, the structure is simpler, the purchase and the later-stage replacement and maintenance are convenient, the service life is long, and the phenomena of clamping stagnation and the like are not easy to occur.
Of course, the transmission mechanism is not limited to the above screw transmission mechanism, and some suitable transmission mechanisms can be selected according to actual needs.
And a guide member 8 such as a guide round bar is provided on each side of the screw rod 3, one end of the guide member 8 is connected to the housing 1, and the opposite end of the guide member 8 is connected to the stopper portion 22. The guide rod piece plays a role in guiding the screw rod 3, and the screw rod 3 is prevented from inclining.
In this embodiment, preferably, as shown in fig. 1 and 2, the support member 2 includes a main body 21 and a stopper portion 22; the limiting part 22 is connected with one end of the main body 21 far away from the cutter head component 5, the limiting part 22 and the main body 21 enclose a movement space 9, and as can be seen, a concave cavity is formed at one end of the main body 21 far away from the cutter head component 5, and the concave cavity is sealed by the limiting component, so that the movement space 9 is formed; the cutter head component 5 is rotationally connected with the main body 21; the nut seat is connected with the limiting part 22.
Specifically, the main body 21 includes a supporting seat 211 and a moving seat 212 connected to each other; wherein, the cutter head component 5 is rotatably connected with one end of the supporting seat 211 far away from the movable seat 212; the position-limiting portion 22 is connected to an end of the movable base 212 away from the supporting base 211, and the position-limiting portion 22 and the movable base 212 enclose a motion space 9. It can be seen that the shape and size of the support base 211 and the movable base 212 can be set according to actual needs, and then the two are assembled together.
Wherein, optionally, the limiting part 22 may be a plate-shaped structure.
As shown in fig. 1 and 2, the electric shaver with the storable shaving head further includes a first limiting member 6 disposed in the movement space 9 and a second limiting member 7 disposed outside the movement space 9, the screw rod 3 is rotatably connected to the first limiting member 6 and the second limiting member 7 in sequence, and the first limiting member 6, the limiting portion 22 of the support member 2 and the second limiting member 7 are sequentially disposed along the height direction of the housing 1;
part of the structure of the first stop member 6 is connected to the housing 1 through an opening formed in the body 21 of the support member 2 itself.
As can be seen from the above-described structure, the first and second limiting members 6 and 7 limit the limiting portion 22 of the support member 2 in the space formed by the two members, and serve to limit the moving range of the support member 2, so that the cutter head assembly 5 rotatably connected to the support member 2 can be just accommodated in the housing 1 and extended out of the housing 1.
Of course, a controller can be arranged in the shell 1 to control the working time of the driving device 4, and the supporting member 2 is limited by the controller, so that the operation is safer and more reliable.
In addition to the above-mentioned functions, the first limiting member 6 can also support the screw rod 3 to prevent the screw rod 3 from tilting, thereby affecting the storage or the extending of the cutter head assembly 5 from the housing 1.
In this embodiment, the through opening preferably extends in the direction of movement of the support member 2 (not shown in the figures).
As can be seen from the above-described structure, the above-described through opening is provided for the purpose of ensuring that the support member 2 does not interfere with the first stopper member 6 during movement in a state where it does not reach a predetermined position, i.e., a limit position.
In this embodiment, the cutter head assembly 5 is preferably rotatably connected to the support member 2 by a connecting shaft (not shown) provided to the support member 2.
Specifically, the connecting shaft may be formed with a first mounting hinge, and the connecting shaft may be fixedly connected to the first mounting hinge, and the first mounting hinge is connected to the supporting member 2 through a fastening member, so as to implement mounting of the connecting shaft to the supporting member 2, and the connecting shaft may be formed with a second mounting hinge, and the second mounting hinge is rotatably connected to the connecting shaft, and the second mounting hinge is fixedly connected to the cutter head assembly 5, for example, through a fastening member or welding.
Further, it is preferable that the head-stowable electric razor further comprises an elastic return member provided between the head unit 5 and the connecting shaft for providing a part of the driving force (not shown) for driving the head unit 5 to be outwardly extended from the housing 1.
According to the above-described structure, as the bit assembly 5 is received in the housing 1, the elastic restoring member is compressed, and when the bit assembly 5 gradually extends out of the housing 1, the elastic restoring member releases the restoring deformation, so that the bit assembly 5 can be quickly and completely extended, i.e., quickly restored to the original using state.
Wherein, optionally, the elastic reset component is the torsional spring, and the connecting axle is located to the torsional spring cover, and the one end of torsional spring is connected with the connecting axle, and the relative other end of torsional spring is connected with tool bit subassembly 5, and the torsional spring is the commonly used spring part on the market, and the purchase of being convenient for is with low costs.
In this embodiment, preferably, as shown in fig. 1 and 2, the number of the cutter head assemblies 5 is three, and the three cutter head assemblies 5 are uniformly arranged with respect to the center line of the housing 1.
As can be seen from the above-mentioned structure, the three cutter head assemblies 5 are provided in the conventional structure on the market, and meet the ergonomic design requirements, and the specific structure thereof is disclosed in the prior art and will not be described in detail herein.
Of course, the number of the cutter head assemblies 5 is not limited to three, and can be set according to actual needs.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. An electric razor that a tool bit can be accomodate, characterized by comprising: the cutter head assembly is arranged on the supporting member, the driving device is connected to the supporting member, and the driving device can drive the supporting member to move along the height direction of the shell through the transmission mechanism, so that the cutter head assembly is accommodated in the shell or extends out of the shell.
2. The bit-stowable electric shaver according to claim 1, wherein the bit assembly is rotatably provided to the support member, and the driving means is capable of driving the support member to ascend and descend in the height direction of the housing to force the bit assembly to be turned relative to the support member to be received in or extended out of the housing.
3. The stowable cutter electric shaver of claim 1 wherein the drive mechanism comprises a lead screw, a nut, and a nut seat; one end of the screw rod is connected with the driving device, and the other opposite end of the screw rod extends towards the cutter head assembly; the nut is rotatably sleeved on the screw rod, the nut seat is connected with the screw rod, and the supporting component is connected with the nut seat.
4. The bit-stowable electric shaver according to claim 3, wherein the support member includes a main body and a stopper portion; the limiting part is connected with one end of the main body, which is far away from the cutter head component, and the limiting part and the main body enclose a motion space; the cutter head component is rotatably connected with the main body; the nut seat is connected with the limiting part.
5. The stowable shaving razor of claim 4, wherein the body comprises a connecting cradle and a mobile cradle; the cutter head assembly is rotatably connected with one end of the supporting seat, which is far away from the movable seat; the limiting part is connected with one end, far away from the supporting seat, of the moving seat, and the limiting part and the moving seat are enclosed to form the moving space.
6. The tool bit-stowable electric razor according to claim 4, further comprising a first stopper member provided in the movement space and a second stopper member provided outside the movement space, the lead screw being connected to the first stopper member and the second stopper member in turn being turnable, and the first stopper member, the stopper portion of the support member, and the second stopper member being provided in this order along the height direction of the housing;
a portion of the structure of the first stop member is connected to the housing through a through opening formed in the body of the support member itself.
7. The bit-stowable electric razor of claim 4, further comprising a guide member, one end of which is connected to the housing, and the opposite end of which is connected to the limiting portion.
8. The bit-stowable electric shaver according to any one of claims 1 to 7, wherein the bit assembly is rotatably connected to the support member by a connecting shaft provided to the support member.
9. The bit-stowable electric shaver according to claim 8 further including a resilient return member disposed between the bit assembly and the connecting link for providing a partial driving force for driving the bit assembly to extend outwardly from the housing.
10. The electric shaver with the storable shaver head as claimed in claim 9, wherein the elastic reset member is a torsion spring, the torsion spring is sleeved on the connecting shaft, one end of the torsion spring is connected with the connecting shaft, and the other end of the torsion spring opposite to the torsion spring is connected with the shaver head assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776181.2A CN111775185A (en) | 2020-08-04 | 2020-08-04 | Electric shaver with storable tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776181.2A CN111775185A (en) | 2020-08-04 | 2020-08-04 | Electric shaver with storable tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111775185A true CN111775185A (en) | 2020-10-16 |
Family
ID=72766019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010776181.2A Pending CN111775185A (en) | 2020-08-04 | 2020-08-04 | Electric shaver with storable tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111775185A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147772A (en) * | 2020-11-19 | 2022-03-08 | 上海飞科电器股份有限公司 | Multi-drive cutter head assembly and shaver |
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| KR200420355Y1 (en) * | 2006-04-03 | 2006-06-30 | 오태준 | Electric shaver with an ejectable head |
| US20110030229A1 (en) * | 2008-04-11 | 2011-02-10 | Ioannis Marios Psimadas | Razor handle having a retractable razor head carrier and razor having such a handle |
| US20110277326A1 (en) * | 2007-11-28 | 2011-11-17 | Lindal France Sas | Manual razor with pivoting shaving head |
| CN203390093U (en) * | 2013-07-02 | 2014-01-15 | 深圳市新沧海机械有限公司 | Workpiece clamping mechanism for automobile damper flanging machine |
| CN210336036U (en) * | 2019-07-24 | 2020-04-17 | 江苏利宇剃须刀有限公司 | Hand shaver |
| CN212331110U (en) * | 2020-08-04 | 2021-01-12 | 上海飞科电器股份有限公司 | Electric shaver with storable tool bit |
-
2020
- 2020-08-04 CN CN202010776181.2A patent/CN111775185A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200420355Y1 (en) * | 2006-04-03 | 2006-06-30 | 오태준 | Electric shaver with an ejectable head |
| US20110277326A1 (en) * | 2007-11-28 | 2011-11-17 | Lindal France Sas | Manual razor with pivoting shaving head |
| US20110030229A1 (en) * | 2008-04-11 | 2011-02-10 | Ioannis Marios Psimadas | Razor handle having a retractable razor head carrier and razor having such a handle |
| CN203390093U (en) * | 2013-07-02 | 2014-01-15 | 深圳市新沧海机械有限公司 | Workpiece clamping mechanism for automobile damper flanging machine |
| CN210336036U (en) * | 2019-07-24 | 2020-04-17 | 江苏利宇剃须刀有限公司 | Hand shaver |
| CN212331110U (en) * | 2020-08-04 | 2021-01-12 | 上海飞科电器股份有限公司 | Electric shaver with storable tool bit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147772A (en) * | 2020-11-19 | 2022-03-08 | 上海飞科电器股份有限公司 | Multi-drive cutter head assembly and shaver |
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