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公开(公告)号：US20170136639A1
公开(公告)日：2017-05-18
申请号：US15342879
申请日：2016-11-03
申请人： DORCO CO., LTD.
发明人： Young Ho PARK , Sung Hee SON , Jun Soo CHANG
摘要： A razor cartridge includes a housing, a guard, a cap; and a plurality of razor blades which are installed between the guard and cap in the housing and each includes a base portion, a bent portion extending from an end of the base portion to be bent, and an edge portion extending from an end of the bent portion, having a cutting edge formed at an end of the edge portion, a first distance between a straight line extending from the front of the base portion and an end point of the cutting edge is in the range of 0.3 to 1.0 mm, wherein an overlap size defined as a distance by which the first distance of a razor blade is overlapped by an adjacent razor blade located behind the razor blade when the adjacent razor blade is projected in the vertical direction ranges less than or equal to 0.5 mm.
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公开(公告)号：US20240051164A1
公开(公告)日：2024-02-15
申请号：US18361114
申请日：2023-07-28
申请人： DORCO CO., LTD.
发明人： Jun Soo CHANG
CPC分类号： B26B21/227 , B26B21/24 , B26B21/4018 , B26B21/4031
摘要： A razor cartridge is proposed. The razor cartridge may include a plurality of blades each including cutting edges, the plurality of blades including a first blade including a first cutting edge and a second blade including a second cutting edge. The razor cartridge may also include a blade housing longitudinally accommodating the plurality of blades to expose the cutting edge at least partially through an upper portion thereof, the blade housing including a first contact surface and a second contact surface respectively disposed in front and back of the cutting edge. The razor cartridge may further include an elastic arm elastically supporting the second blade. The first contact surface and the second contact surface may define a shaving plane. The first cutting edge may have a smaller exposure value than the second cutting edge with respect to the shaving plane while no external force acts.
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公开(公告)号：US20180264667A1
公开(公告)日：2018-09-20
申请号：US15983703
申请日：2018-05-18
申请人： DORCO CO,. LTD.
发明人： Jun Soo CHANG , Kyong Sik LEE , Nam Yoon KONG , Woo Gyeong GO
CPC分类号： B26B21/521 , B26B21/08 , B26B21/14 , B26B21/225 , B26B21/52 , B26B21/522
摘要： A razor handle assembly includes a gripping part gripped by a user, and a connecting part provided at one end of the gripping part to fix the cartridge. The connecting part includes a cartridge holder to which the cartridge is detachably coupled, and a holder clip which supports the cartridge holder. The cartridge holder is coupled to surround the outer side of an end portion of the holder clip.
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公开(公告)号：US20210008744A1
公开(公告)日：2021-01-14
申请号：US16921786
申请日：2020-07-06
申请人： DORCO CO., LTD.
发明人： Jun Soo CHANG
IPC分类号： B26B21/52
摘要： A razor handle includes a handle body including a head adapter and a grip portion extending from the head adapter; a connecting head configured to be coupled to a razor cartridge and coupled to the head adapter head so as to be pivotable around a rotational axis, the connecting head including a head side cam surface on one side thereof; and a plunger disposed on one side of the handle body and including a plunger side cam surface configured to perform a cam action with the head side cam surface, the plunger being configured to provide, through the cam action, recovery force to restore the connecting head to a rest position, wherein a contact area between the head side cam surface and the plunger side cam surface is smaller when the connecting head is deviated from the rest position than when the connecting head is in the rest position.
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公开(公告)号：US20190321995A1
公开(公告)日：2019-10-24
申请号：US16460620
申请日：2019-07-02
申请人： DORCO CO., LTD.
发明人： Ho Jun NOH , Jun Soo CHANG
摘要： An integral razor blade which is thin and has improved strength by shaping a geometrical structure of the razor blade and a razor cartridge using the same. The razor blade includes a base portion, a bent portion extending in a bent manner from one end of the base portion, and an edge portion extending from one end of the bent portion, a cutting edge being formed at one end of the edge portion. A first separation distance X between a straight line extending in a longitudinal direction from a front surface of the base portion and an end point of the cutting edge ranges from 0.3 mm to 1.0 mm.
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公开(公告)号：US20240359350A1
公开(公告)日：2024-10-31
申请号：US18770432
申请日：2024-07-11
申请人： DORCO CO., LTD.
发明人： Ho Jun NOH , Jun Soo CHANG
CPC分类号： B26B21/56 , B26B21/222 , B26B21/4012 , B26B21/4031 , B26B21/565
摘要： Proposed is an integral razor blade which is thin and has improved strength by shaping a geometrical structure of the razor blade and a razor cartridge using the same. The razor blade may include a base portion, a bent portion extending in a bent manner from one end of the base portion, and an edge portion extending from one end of the bent portion, a cutting edge being formed at one end of the edge portion. A first separation distance X between a straight line extending in a longitudinal direction from a front surface of the base portion and an end point of the cutting edge may range from 0.3 mm to 1.0 mm.
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公开(公告)号：US20230166422A1
公开(公告)日：2023-06-01
申请号：US17905914
申请日：2021-03-09
申请人： DORCO CO., LTD.
发明人： Jun Soo CHANG
CPC分类号： B26B21/565 , B26B21/28 , B26B21/4037 , B26B21/4031 , B26B21/42
摘要： The present disclosure in some embodiments provides a razor cartridge comprising: at least one shaving blade comprising a base portion and an edge portion including a cutting edge, at least a portion of the shaving blade having a bent area; a receiving base receiving the base portion; a cap covering at least a portion of the receiving base; and a plurality of comb elements, at least some of which are disposed in front of the at least one shaving blade, the comb elements extending toward a front of the receiving base, wherein the plurality of comb elements comprise a top surface configured to define a shaving plane.
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公开(公告)号：US20230120418A1
公开(公告)日：2023-04-20
申请号：US17905842
申请日：2021-03-09
申请人： DORCO CO., LTD.
发明人： Jun Soo CHANG
摘要： The present disclosure in some embodiments provides a razor cartridge comprising: at least one shaving blade having a cutting edge; a receiving base receiving the at least one shaving blade arranged in a first direction; a cap covering at least a portion of the receiving base; and a plurality of comb elements, at least some of which are disposed in front of the at least one shaving blade, the comb elements extending toward a front of the receiving base in a second direction that is not perpendicular to the first direction, wherein the plurality of comb elements comprise a top surface configured to define a shaving plane.
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公开(公告)号：US20220152855A1
公开(公告)日：2022-05-19
申请号：US17591097
申请日：2022-02-02
申请人： DORCO CO., LTD.
发明人： Ho Jun NOH , Jun Soo CHANG
摘要： An integral razor blade which is thin and has improved strength by shaping a geometrical structure of the razor blade and a razor cartridge using the same. The razor blade includes a base portion, a bent portion extending in a bent manner from one end of the base portion, and an edge portion extending from one end of the bent portion, a cutting edge being formed at one end of the edge portion. A first separation distance X between a straight line extending in a longitudinal direction from a front surface of the base portion and an end point of the cutting edge ranges from 0.3 mm to 1.0 mm.
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