CN201102255Y - Exterior knife structure of reciprocating electric razor - Google Patents
Exterior knife structure of reciprocating electric razor Download PDFInfo
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- CN201102255Y CN201102255Y CNU2007200082558U CN200720008255U CN201102255Y CN 201102255 Y CN201102255 Y CN 201102255Y CN U2007200082558 U CNU2007200082558 U CN U2007200082558U CN 200720008255 U CN200720008255 U CN 200720008255U CN 201102255 Y CN201102255 Y CN 201102255Y
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- 238000005452 bending Methods 0.000 claims description 16
- 238000004080 punching Methods 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 6
- 238000003672 processing method Methods 0.000 abstract description 5
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 21
- 210000004209 hair Anatomy 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 238000006056 electrooxidation reaction Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The utility model discloses an external cutter structure of a reciprocating electric shaver and a processing method thereof. The external cutter is composed of a thin plate which is bended into long strip. Horizontally distributed on the head part of the shaver, the external cutter is provided with a top surface and a lateral surface. The top surface includes a two-end strengthening part and a cutting edge part. The middle thickness of the cutting edge part is thinned. The cutting edge part on the top surface is equipped with a plurality of long grove bores to form the cutting edge. The external cutter has the advantages of simple structure, high strength and uneasy deformation and being able to shave long beards or curved beards and short beards.
Description
Technical field
The utility model relates to the technical field of reciprocating electric razor, and is special relevant with the structure-improved of its outer cutter.
Background technology
Traditional shaver, its outer cutter is laminar, has the aperture of some circles or other shapes above, cutter in installing below the outer cutter, the end face of interior cutter unit is a circular arc, and outer cutter bends to arch along the circular arc of interior cutter, and interior cutter is driven by transmission device by motor internal and does cutting action.When shaver was affixed on face, beard stretched in the shaver from the aperture of outer cutter, by interior cutter fast shut-off, reached the purpose that shaves.Because the aperture of aperture is little, for short hairs, stretch into easily, but, more indivedual beards that curl or long beard then are difficult to stretch in this aperture, during use, often need will grow earlier to cut short and do the action of shaving again, or will not shave again after shaving most long must length, so this class shaver existence is difficult to shave the defective of removing long palpus, can't reach the effect of once shaving most long palpus and short hairs.
After have the people to research and develop to have produced a kind of shaver, the circular outer cutter that it comprises three symmetrical distributions has long slot bore on the outer cutter, because long slot bore helps long must the importing, so this shaver can reach the effect of once shaving most long palpus and short hairs.But, distribute because outer cutter is three points, the outer cutter of 3 distributions veneer portion that can't become simultaneously, so, shave except that area little, in the use, need the moving shaver of not stall, the angle of conversion shaver enlarges and shaves except that scope, uses operation comparatively to bother.
The someone has developed a kind of shaver again, its outer cutter is curved elongated by thin plate, also have long slot bore on the outer cutter, cross direction profiles is at the shaver head, and this shaver can once be shaved the most long beard that must or curl, and, the outer cutter of cross direction profiles has strengthened the contact-making surface with face, does slightly in the use again but need not and rotate, and also can further enlarge and shave except that scope, so, use easy to operate.But because this outer cutter thickness of knife edge is thicker, general thickness is the 0.15-0.3 millimeter, can't shave except that short hairs, beard can not be shaved and do to the greatest extent, so, this outer cutter can not use separately, must cooperate the cutter head (being used to shave short hairs) of the outer cutter of aforementioned thin slice arch to use together beard to be shaved to do and use up.
Therefore, all there are many deficiencies in the outer knife structure of existing shaver, is further improved really.
The utility model content
The purpose of this utility model is to provide a kind of outer knife structure of reciprocating electric razor, and this outer knife structure is simple, high strength and deformation, can reach once to shave to remove the long beard that must or curl and the purpose of short hairs.
To achieve these goals, solution of the present utility model is:
The outer knife structure of reciprocating electric razor, should be bent and elongated by thin plate by outer cutter, cross direction profiles has end face and side at the shaver head, end face comprises the blade part that two ends rib and interior thickness are thinned, and has some long slot bores and form blade on the blade part of end face.
Surface thickness is thinned outside the centre of above-mentioned end face, and on the outer surface of end face, the two ends rib is higher than blade part and is step-like, and on the inner surface of end face, the two ends rib is concordant with blade part.
Surface thickness is thinned within the centre of above-mentioned end face, and on the outer surface of end face, the two ends rib is concordant with blade part, and on the inner surface of end face, the two ends rib is lower than blade part and is step-like.
The thickness of surface and outer surface all is thinned within the centre of above-mentioned end face, and on the outer surface of end face, the two ends rib is higher than blade part and is step-like, and on the inner surface of end face, the two ends rib is lower than blade part and also is step-like.
Long slot bore on the above-mentioned blade part extends to the position of side near end face by end face.
The end face of above-mentioned blade part is plane or outwards outstanding curved surface.
The thickness of above-mentioned end face two ends rib is 0.1-0.6mm.
The thickness of above-mentioned end face blade part is 0.04-0.09mm.
The outer cutter of above-mentioned shaver has the above blade that is formed by long slot bore of two rows, the moulding of every row's blade independence, promptly each is independently strip by thin plate bending, each independently strip all have end face and side, respectively independently the strip end face comprises the blade part that two ends rib and interior thickness are thinned, independently have long slot bore on the blade part of strip end face at each and form row's blade, every row's blade in parallel to each other cross direction profiles at the shaver head.
The outer cutter of above-mentioned shaver has the above blade that is formed by long slot bore of two rows, the one-body molded bending by same thin plate on the strip that forms of blade that two rows are above, this strip has end face and side, its end face comprises the blade part that two ends rib and interior thickness are thinned, and is having the blade that is parallel to each other more than long slot bore formation two rows on the blade part of strip end face.Punching press forms reinforcement between above-mentioned two adjacent row's blades.
The outer cutter of above-mentioned shaver comprises long slot bore blade and the aperture blade of alternately arranging, two kinds of blades divide body formed, promptly each is independently strip by thin plate bending, each independently strip all have end face and side, respectively independently the strip end face comprises the blade part that two ends rib and interior thickness are thinned, independently have long slot bore on the blade part of strip end face at each and form row's blade and have aperture and form row's blade, every row's blade in parallel to each other cross direction profiles at the shaver head.
The outer cutter of above-mentioned shaver comprises long slot bore blade and the aperture blade of alternately arranging, two kinds of blades are one-body molded on the strip that is formed by same thin plate bending, this strip has end face and side, its end face comprises the blade part that two ends rib and interior thickness are thinned, have long slot bore and aperture and respectively form row's blade on the blade part of strip end face, long slot bore blade and aperture blade are parallel to each other.Punching press forms reinforcement between above-mentioned two adjacent row's blades.
After adopting such scheme, the utility model has some long slot bores formation blades again because of the end face after the thin plate bending is thinned, make the thickness of blade moderate, so, the length that the shaver of making can conveniently curl by its long slot bore must stretch into and once shave the most long beard that must or curl, and can shave most short hairs simultaneously because of blade is enough thin, really reach and once shave the most long beard that must or curl and the effect of short hairs, and, the outer cutter of cross direction profiles has strengthened the contact-making surface with face, use more convenient operation, the more important thing is, it is thick that the outer cutter of the utility model is the two ends rib, the form that middle blade is thin, bulk strength improves, and it is indeformable to have a long-term use, more help the outer cutter veneer portion that becomes, really can shave the effect of most beard fast.
The utility model is simple in structure, and processing and manufacturing is easy, and the raising of outer cutter intensity, more helps outer cutter and is assembled on the knife rest, and it is easier to operate.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 1-the 1st, the utility model embodiment one end face is the structural representation on plane;
Fig. 1-2 is the structural representation that the utility model embodiment one end face is curved surface;
Fig. 2 is the cutaway view of the utility model embodiment one;
Fig. 3 is the cutaway view of the utility model embodiment two;
Fig. 4 is the cutaway view of the utility model embodiment three;
Fig. 5 is the structural representation that the utility model embodiment four end faces are the plane;
Fig. 5-the 1st, the utility model embodiment four end faces are the structural representation of curved surface;
Fig. 6 is the cutaway view of the utility model embodiment four;
Fig. 7 is the structural representation that the utility model embodiment five end faces are curved surface;
Fig. 7-the 1st, the utility model embodiment five end faces are the structural representation on plane;
Fig. 8 is the cutaway view of the utility model embodiment five;
Fig. 9 is the structural representation that the utility model embodiment one applies to shaver;
Figure 10 is the structural representation that the utility model embodiment four applies to shaver;
Figure 11 is the structural representation that the utility model embodiment five applies to shaver;
Figure 12 is the flow chart of the utility model processing method one;
Figure 13 is the flow chart of the utility model processing method two.
Figure 14 is the flow chart of the utility model processing method three;
Figure 15 is the flow chart of the utility model processing method four.
The specific embodiment
As Fig. 1, Fig. 3 to Fig. 5 and shown in Figure 7, be preferred embodiment of the present utility model.
The utility model has disclosed a kind of outer knife structure of reciprocating electric razor, it is elongated by the thin plate bending being somebody's turn to do outer cutter A, B or C, cross direction profiles is at the shaver head, cooperate Fig. 9, Figure 10, shown in Figure 11, have end face 1 and side 2, end face 1 comprises the blade part 12 that two ends rib 11 and interior thickness are thinned, and has some long slot bores 13 and form blade on the blade part 12 of end face 1.Wherein, shown in Fig. 1-1, Fig. 5, Fig. 7-1, end face 1 can be the plane, or as Fig. 1-2, Fig. 5-1, shown in Figure 7, end face 1 also can be outwards outstanding curved surface.
The utility model is because form blade by long slot bore 13, blade part 12 thickness behind the attenuate are moderate, so, the shaver of making must stretch into by the length that its long slot bore 13 can conveniently curl, once shave the most long beard that must or curl, and can shave most short hairs simultaneously because of blade part 12 is enough thin, reach really and once shave the most long beard that must or curl and the effect of short hairs.And outer cutter A, the B of cross direction profiles or C have strengthened the contact-making surface with face, use more convenient operation.The more important thing is, the utility model is the thin form of two ends rib 11 thick, middle blades with outer cutter design, avoid the outer cutter bulk strength of tradition to be of uniform thickness thin and intensity defective on the low side that bring, the utility model is long-term use also indeformable, more help outer cutter become veneer portion, can shave the effect of most beard fast really.
The utility model is simple in structure, processing and manufacturing is easy, as shown in figure 12, can be earlier light sheet bending to be become strip, form end face 1 and side 2, through quenching, again with the thickness in the middle of the end face 1 of strip through grinding, laser, mill, any method or several method combination processing attenuate wherein in galvano-cautery and the electrochemical corrosion, form the rib at two ends, then, in the interior thickness weakened region through grinding, laser, galvano-cautery, electrochemical corrosion and mill in the processing any method or wherein the several method combination process long slot bore 13 and form blade parts 12, long slot bore 13 can extend to the position of side 2 near end face 1 by end face 1, more helping long palpus and curling beard imports, for Fig. 7,8 illustrated embodiments five, the end face 1 interior thickness weakened region of outer cutter is also through laser boring, the galvano-cautery punching, the electrochemical corrosion punching wait any method or wherein several method combination process aperture 15, last, carry out outer surface polishing and the processing of inner surface correct grinding, make outer cutter finished product.The processing and manufacturing of the outer cutter of the utility model, also can be as shown in figure 13, earlier sheet stamping is bent into strip, form end face 1 and side 2, and stamp out the rib 11 at two ends at end face 1, and end face 1 is middle to lower recess, again with the recess thickness in the middle of the end face 1 through grinding, laser, mill, any method or several method combination processing attenuate wherein in galvano-cautery and the electrochemical corrosion, then, in the interior thickness weakened region through grinding, laser, galvano-cautery, electrochemical corrosion and mill in the processing any method and process long slot bore 13 and form blade parts 12, for Fig. 7,8 illustrated embodiments five, the end face 1 interior thickness weakened region of outer cutter is also through the mould punching press, laser, galvano-cautery, in the electrochemical corrosion any method or wherein several method combination process aperture 15, again through quenching, at last, carry out outer surface polishing and the processing of inner surface correct grinding, make outer cutter finished product.The processing and manufacturing of the outer cutter of the utility model, also can be as Figure 14 and shown in Figure 15, wherein shown in Figure 14 and shown in Figure 12 similar, only the quenching step is moved to before outer surface polishing and the inner surface correct grinding procedure of processing, like this, for Fig. 7,8 illustrated embodiments five, the end face 1 interior thickness weakened region of outer cutter can increase mould perforating by punching technology when processing aperture 15, and by any method in laser, galvano-cautery, electrochemical corrosion and the mould perforating by punching or several method combination processing aperture 15 wherein; And it is shown in Figure 15 and shown in Figure 13 similar, only the quenching step is moved to after the rib that end face stamps out two ends by outer surface polishing and inner surface correct grinding procedure of processing before, like this, for Fig. 7,8 illustrated embodiments five, the end face 1 interior thickness weakened region of outer cutter cannot adopt mould perforating by punching technology when processing aperture 15, and can only be by any method in laser, galvano-cautery, the electrochemical corrosion or several method combination processing aperture 15 wherein.
Specifically add man-hour, can be as Fig. 1, Fig. 1-1, Fig. 1-2, shown in Figure 2, outer cutter A is with surface thickness attenuate outside the centre of end face 1, make on the outer surface of end face 1, two ends rib 11 is higher than blade part 12 and is step-like, and on the inner surface of end face 1, two ends rib 11 is concordant with blade part 12; Perhaps as shown in Figure 3, with surface thickness attenuate within the centre of end face 1, make on the outer surface of end face 1, two ends rib 11 is concordant with blade part 12, and on the inner surface of end face 1, two ends rib 11 is lower than blade part 12 and is step-like; Also or as shown in Figure 4, with the surface and the thickness of outer surface within the centre of end face 1 attenuate together, make on the outer surface of end face 1, two ends rib 11 is higher than blade part 12 and is step-like, and on the inner surface of end face 1, it is also step-like that two ends rib 11 is lower than blade part 12.Above-mentioned three kinds of processing modes are equally applicable to manuscript 5, Fig. 5-1 and outer cutter B and C shown in Figure 8, and the outer cutter of other form, do not do diagram one by one at this.The outer cutter intensity of the utility model improves, and more helps outer cutter and is assembled on the knife rest, and assembly operation is easier.
In the utility model, the thickness of end face 1 two ends rib 11 is good with 0.1-0.6mm, and this thickness both can have been saved material, convenient processing, can guarantee the intensity of outer cutter again, and the thickness of end face 1 blade part 12 is good with 0.04-0.09mm, and this thickness has the best and shaves except that effect.
In order to guide feeler to stretch in the long slot bore 13 better, reach the purpose of shaving most long palpus and curling beard fast, the utility model can also extend to the position of side 2 near end face 1 by end face 1 with the long slot bore on the blade part 12 13, and it is the end face design of blade part 12 is curved, become to pasting in order to blade part 12 and face, shave except that faster, cleaner.
When the utility model applies on the shaver, the blade that outer cutter can have two rows above (being illustrated as four rows) to be formed by long slot bore 13.As shown in Figure 9, every row's blade can independent moulding, shown in respective outer side edges Fig. 1 of every row's blade (or Fig. 2,3), be independently strip by thin plate bending respectively, each independently strip all have end face 1 and side 2, each independently strip end face 1 be divided into the blade part 12 that two ends rib 11 and interior thickness are thinned, independently have long slot bore 13 on the blade part 12 of strip end face 1 at each and form row's blade, every row's blade in parallel to each other cross direction profiles at the shaver head.And for example shown in Figure 10, two rows' above (being illustrated as two rows) blade also can be one-body molded on the strip that is formed by same thin plate bending, cooperate shown in Figure 5, this strip has end face 1 and side 2, its end face 1 is divided into the blade part 12 that two ends rib 11 and interior thickness are thinned, having the blade that is parallel to each other more than long slot bore 13 formation two rows on the blade part 12 of strip end face 1, because same strip structure upper knife edge area increases, in order to guarantee outer cutter integral intensity, can between two adjacent on same rectangular structure row's blades, punching press form reinforcement 16.In addition, in order further to improve the efficient that shaves, outer cutter of the present utility model also can adopt long slot bore blade and the aperture blade of alternately arranging, two kinds of blades can reach better simultaneously shaves the effect of removing long palpus and short hairs, two kinds of blades can divide body formed equally as shown in Figure 9, promptly each is independently strip by thin plate bending, each independently strip all have end face and side, each independently the strip end face be divided into the blade part that two ends rib and interior thickness are thinned, independently have long slot bore on the blade part of strip end face at each and form row's blade and have aperture and form row's blade, every row's blade in parallel to each other cross direction profiles at the shaver head; Two kinds of blades also as shown in figure 11 (to shown in Figure 10 similar) one-body molded on the strip that forms by same thin plate bending, cooperate shown in Figure 7, this strip has end face 1 and side 2, its end face is divided into the blade part 12 that two ends rib 11 and interior thickness are thinned, on the blade part 12 of end face 1, have long slot bore 13 and aperture 15 and respectively form row's blade, long slot bore blade and aperture blade are parallel to each other, can punching press form reinforcement 16 equally between these two adjacent row's blades, to improve outer cutter intensity.Certainly, the utility model can also present other form.
Key of the present utility model is the middle attenuate formation blade part 12 with the end face 1 of outer cutter, and cutting elongated groove hole 13 forms blade on blade part 12, the thickness of this blade is moderate, can conveniently grow the beard that must, curl by long slot bore 13 stretches into and once shaves the most long beard that must or curl, and shave most short hairs simultaneously by enough thin blade, really reach and once shave the most long beard that must or curl and the effect of short hairs, and the two ends of end face 1 attenuate, keep original thickness to form rib 11, improve outer cutter intensity thus, make it not yielding, increase the service life.
Below only for being used to illustrate several embodiment of technological thought of the present utility model and characteristics, its purpose makes those skilled in the art can understand content of the present utility model and is implementing according to this, but do not limit claim of the present utility model, the equalization that all spirit that discloses according to the utility model is done changes or modifies, and must be encompassed in the claim of the present utility model.
Claims (15)
1, the outer knife structure of reciprocating electric razor, it is characterized in that: this outer cutter is elongated by the thin plate bending, cross direction profiles is at the shaver head, have end face and side, end face comprises the blade part that two ends rib and interior thickness are thinned, and has some long slot bores and form blade on the blade part of end face.
2, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: surface thickness is thinned outside the centre of end face, and on the outer surface of end face, the two ends rib is higher than blade part and is step-like, on the inner surface of end face, the two ends rib is concordant with blade part.
3, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: surface thickness is thinned within the centre of end face, and on the outer surface of end face, the two ends rib is concordant with blade part, on the inner surface of end face, the two ends rib is lower than blade part and is step-like.
4, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: the thickness of surface and outer surface all is thinned within the centre of end face, on the outer surface of end face, the two ends rib is higher than blade part and is step-like, on the inner surface of end face, the two ends rib is lower than blade part and also is step-like.
5, the outer knife structure of reciprocating electric razor according to claim 1 is characterized in that: the long slot bore on the blade part extends to the position of side near end face by end face.
6, the outer knife structure of reciprocating electric razor according to claim 1 is characterized in that: the end face of blade part is the plane.
7, the outer knife structure of reciprocating electric razor according to claim 1 is characterized in that: the end face of blade part is outwards outstanding curved surface.
8, the outer knife structure of reciprocating electric razor according to claim 1 is characterized in that: the thickness of end face two ends rib is 0.1-0.6mm.
9, the outer knife structure of reciprocating electric razor according to claim 1 is characterized in that: the thickness of end face blade part is 0.04-0.09mm.
10, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: the outer cutter of shaver has the above blade that is formed by long slot bore of two rows, the moulding of every row's blade independence, promptly each is independently strip by thin plate bending, each independently strip all have end face and side, respectively independently the strip end face comprises the blade part that two ends rib and interior thickness are thinned, independently have long slot bore on the blade part of strip end face at each and form row's blade, every row's blade in parallel to each other cross direction profiles at the shaver head.
11, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: the outer cutter of shaver has the above blade that is formed by long slot bore of two rows, the one-body molded bending by same thin plate on the strip that forms of blade that two rows are above, this strip has end face and side, its end face comprises the blade part that two ends rib and interior thickness are thinned, and is having the blade that is parallel to each other more than long slot bore formation two rows on the blade part of strip end face.
12, as the outer knife structure of the reciprocating electric razor as described in the claim 11, it is characterized in that: punching press forms reinforcement between two adjacent row's blades.
13, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: the outer cutter of shaver comprises long slot bore blade and the aperture blade of alternately arranging, two kinds of blades divide body formed, promptly each is independently strip by thin plate bending, each independently strip all have end face and side, respectively independently the strip end face comprises the blade part that two ends rib and interior thickness are thinned, independently have long slot bore on the blade part of strip end face at each and form row's blade and have aperture and form row's blade, every row's blade in parallel to each other cross direction profiles at the shaver head.
14, the outer knife structure of reciprocating electric razor according to claim 1, it is characterized in that: the outer cutter of shaver comprises long slot bore blade and the aperture blade of alternately arranging, two kinds of blades are one-body molded on the strip that is formed by same thin plate bending, this strip has end face and side, its end face comprises the blade part that two ends rib and interior thickness are thinned, have long slot bore and aperture and respectively form row's blade on the blade part of strip end face, long slot bore blade and aperture blade are parallel to each other.
15, as the outer knife structure of the reciprocating electric razor as described in the claim 14, it is characterized in that: punching press forms reinforcement between two adjacent row's blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082558U CN201102255Y (en) | 2007-09-13 | 2007-09-13 | Exterior knife structure of reciprocating electric razor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082558U CN201102255Y (en) | 2007-09-13 | 2007-09-13 | Exterior knife structure of reciprocating electric razor |
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| CN201102255Y true CN201102255Y (en) | 2008-08-20 |
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| CNU2007200082558U Expired - Lifetime CN201102255Y (en) | 2007-09-13 | 2007-09-13 | Exterior knife structure of reciprocating electric razor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022955A1 (en) * | 2009-08-24 | 2011-03-03 | 厦门优尔电器有限公司 | Outer blade of reciprocating type electric shaver |
| WO2014110932A1 (en) * | 2013-01-21 | 2014-07-24 | 厦门莱瑞电器有限公司 | Improved external knife structure of reciprocating electric shaver, and processing method of ceramic inner knife and external knife |
-
2007
- 2007-09-13 CN CNU2007200082558U patent/CN201102255Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022955A1 (en) * | 2009-08-24 | 2011-03-03 | 厦门优尔电器有限公司 | Outer blade of reciprocating type electric shaver |
| WO2014110932A1 (en) * | 2013-01-21 | 2014-07-24 | 厦门莱瑞电器有限公司 | Improved external knife structure of reciprocating electric shaver, and processing method of ceramic inner knife and external knife |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080820 Effective date of abandoning: 20070913 |