KR101764489B1 - shaver having exchange structure of changeable razor blade cartridges - Google Patents

shaver having exchange structure of changeable razor blade cartridges Download PDF

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Publication number
KR101764489B1
KR101764489B1 KR1020150126494A KR20150126494A KR101764489B1 KR 101764489 B1 KR101764489 B1 KR 101764489B1 KR 1020150126494 A KR1020150126494 A KR 1020150126494A KR 20150126494 A KR20150126494 A KR 20150126494A KR 101764489 B1 KR101764489 B1 KR 101764489B1
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KR
South Korea
Prior art keywords
blade
blade cartridge
hole
guide
protrusion
Prior art date
Application number
KR1020150126494A
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Korean (ko)
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KR20170029310A (en
Inventor
차점숙
Original Assignee
차점숙
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Priority to KR1020150126494A priority Critical patent/KR101764489B1/en
Publication of KR20170029310A publication Critical patent/KR20170029310A/en
Application granted granted Critical
Publication of KR101764489B1 publication Critical patent/KR101764489B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/52—Handles, e.g. tiltable, flexible
    • B26B21/521—Connection details, e.g. connection to razor heads

Abstract

A razor having a blade exchange structure is disclosed. A razor having a blade cartridge replacement structure according to the present invention comprises a handle having a coupling hole formed at one end thereof and having an operation hole formed on an upper surface thereof to communicate with the coupling hole, And a blade cartridge integrally coupled to the coupling means and integrated with the handle, wherein on either side of the back surface of the blade cartridge, an arc-shaped opening having a predetermined size and opening in directions opposite to each other, A pair of angle adjusting grooves are respectively formed in the guide rails and the engaging means is formed with a guide protrusion having a guide hole at the center of one end face of the blade facing the back face of the blade cartridge, Grooves are formed, and on both sides of the spring guide grooves, Respectively; And the other end thereof is formed with a rotation support protrusion for supporting the rotation by being inserted into the support groove and the other end of the rotation protrusion is formed on each side of the rotation protrusion, A rotation support member formed on each of the inner sides of the lower housing so as to be positioned on both sides of the guide protrusion; A rotation support spring provided between the spring guide groove and the guide projection and having both ends thereof coupled to both of the rotation support members to elastically support both rotation support members; A pressing member, one end of which is engaged with the guide hole of the guide projection and the other end of which is engaged with a pressing spring provided in the spring guide groove to press the back surface of the blade cartridge to a predetermined pressure; An inclined surface operation protrusion coupled to the other end of the pressing spring for pushing each of the inclined surfaces provided on both rotation support members to separate the fitting protrusions from the angle adjustment grooves on both sides, An actuating member coupled to the lower housing to linearly reciprocate in the actuating direction of the pressing member; An upper housing coupled to an upper portion of the lower housing to form an operation space between the upper housing and the lower housing with a through hole for exposing a part of the operation member on an upper surface thereof, And an operation knob coupled to the operation member through the operation hole to advance the operation member in a state where the lower housing and the upper housing are inserted and inserted into the engagement hole to separate the blade cartridge . According to the present invention, the blade cartridge can be separated from the handle only by advancing the operation knob, and each fitting protrusion of the rotary support members of both sides are fitted into the angle adjusting groove formed in an arc shape on both sides of the blade cartridge, Not only the swing angle of the cartridge can be smoothly adjusted within the allowable angle of the angle adjusting groove but also the pressing member presses the back surface of the blade cartridge at an appropriate pressure so that the multiple blades provided on the front surface of the blade cartridge come into close contact with the skin, It is possible to provide an effect that the cutting can be stably performed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a razor blade exchange structure,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a razor having a replaceable blade cartridge structure, and more particularly, to a razor cartridge capable of easily replacing a razor blade cartridge, The present invention relates to a razor having a blade exchanging structure that can be smoothly cut off the skin of a skin including a face with many bends by being brought into close contact with the skin at a predetermined pressure.

Generally, a razor can be divided into a disposable razor, a multi-turn razor, and an electric razor.

Disposable razors are cheap, so they have the advantage of being able to dispose of them after they have been used in a travel or bathing disposable area. The multi-use shaver is more expensive than a disposable razor, However, when the blade is dull, it is necessary to discard the handle integrated with the razor blade, thereby causing waste of resources and an economic burden on the user.

A multifaceted razor was proposed to solve the disadvantages of this disposable razor. As a multipurpose razor, a razor capable of replacing a razor blade cartridge is disclosed in Korean Patent No. 10-539659 (Publication Date: Dec. 29, 2005). Such a conventional razor is such that the blade provided on the handle is operated so that the blade cartridge fitted to the handle is separated from the handle. Thus, when the blade was dull, the blade cartridge could be detached from the handle and replaced with a new blade cartridge.

However, the razor of such a structure can not naturally adjust the angle of the blade along the skin surface of the user because the blade cartridge is configured as a fixed type, so that when the user performs the shaving, There was a problem that it was necessary to change the position.

Korean Patent No. 10-539659 (Published on December 29, 2005)

It is an object of the present invention to not only be able to easily separate and replace the blade cartridge from the handle, but also the angle of the blade cartridge can be adjusted naturally along the surface of the user's skin, and when the blade cartridge is moved along the skin surface, (Elastic force) is applied to the shaving head so that shaving can be smoothly performed.

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to at least partially solve the problems in the conventional arts. It can be understood.

According to an aspect of the present invention, there is provided a method of manufacturing a blade cartridge, including a handle having an engaging hole formed at one end thereof and having an operation hole communicated with the engaging hole at one end thereof, And a blade cartridge integrally coupled to the coupling means and integrated with the handle, wherein on both sides of the back surface of the blade cartridge, a pair of angular adjustment And the engaging means is formed with a guide protrusion having a guide hole at the center of one end surface facing the back surface of the blade cartridge and a spring guide groove formed at the other end surface of the guide protrusion side , And a lower wall having a support groove formed on both walls thereof with respect to the spring guide groove .; And the other end thereof is formed with a rotation support protrusion for supporting the rotation by being inserted into the support groove and the other end of the rotation protrusion is formed on each side of the rotation protrusion, A rotation support member formed on each of the inner sides of the lower housing so as to be positioned on both sides of the guide protrusion; A rotation support spring provided between the spring guide groove and the guide projection and having both ends thereof coupled to both of the rotation support members to elastically support both rotation support members; A pressing member, one end of which is engaged with the guide hole of the guide projection and the other end of which is engaged with a pressing spring provided in the spring guide groove to press the back surface of the blade cartridge to a predetermined pressure; An inclined surface operation protrusion coupled to the other end of the pressing spring for pushing each of the inclined surfaces provided on both rotation support members to separate the fitting protrusions from the angle adjustment grooves on both sides, An actuating member coupled to the lower housing to linearly reciprocate in the actuating direction of the pressing member; An upper housing coupled to an upper portion of the lower housing to form an operation space between the upper housing and the lower housing with a through hole for exposing a part of the operation member on an upper surface thereof, And an operation knob coupled to the operation member through the operation hole to advance the operation member in a state where the lower housing and the upper housing are inserted and inserted into the engagement hole to separate the blade cartridge Wherein the razor blade is provided with a pair of razor blades.

An elastic guard made of a silicone material may be provided at the lower end of the front surface of the blade cartridge so as to align the hairs when the razor blade is brought into close contact with the skin.

In the elastic guard, a plurality of alignment protrusions for aligning hairs may be formed so as to be inclined at a predetermined angle toward the center.

On the upper surface of the blade cartridge, a separate blade may be provided separately from the multiple blades on the front side.

In the center of the rear surface of the blade member, a pressing surface, to which one end of the pressing member is supported, may be formed to be inclined.

According to the present invention, the blade cartridge can be separated from the handle only by advancing the operation knob, and each fitting protrusion of the rotary support members of both sides are fitted into the angle adjusting groove formed in an arc shape on both sides of the blade cartridge, Not only the swing angle of the cartridge can be smoothly adjusted within the allowable angle of the angle adjusting groove but also the pressing member presses the back surface of the blade cartridge at an appropriate pressure so that the multiple blades provided on the front surface of the blade cartridge come into close contact with the skin, It is possible to provide an effect that the cutting can be stably performed.

Further, by providing the elastic guard on the blade cartridge, the elastic guard can align the hair on the soap bubble when multiple blades of the blade cartridge cut the hair, thereby providing an effect that the cutting efficiency can be improved.

1 is an exploded perspective view showing a razor having a blade cartridge exchange structure according to the present invention.
2 is an assembled state perspective view of the razor having the blade cartridge exchange structure shown in Fig.
Fig. 3 is a schematic plan view for explaining the operating state of the razor having the blade cartridge replacing structure shown in Fig. 1. Fig.
Fig. 4 is a schematic side cross-sectional view for explaining the operating state of the razor having the blade cartridge replacement structure shown in Fig. 1. Fig.
Figure 5 is a bottom view of the blade cartridge shown in Figure 1;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.

1 is an exploded perspective view showing a razor having a blade cartridge exchange structure according to the present invention, FIG. 2 is an assembled state perspective view of a razor having the blade cartridge exchange structure shown in FIG. 1, and FIG. 3 Fig. 4 is a cross-sectional view taken along line AA of Fig. 3. Fig. 4 is a plan view showing the operating state of the razor having the blade exchanging structure shown in Fig. And Fig. 5 is a front view showing the blade cartridge shown in Fig.

1 to 5, a razor 10 having a blade exchanging structure according to the present invention includes a coupling hole 22 formed at one end thereof and an operation hole 24 communicating with the coupling hole 22 at an upper surface thereof A coupling means 40 which is mounted on the coupling hole 22 so as to be operable in the operation hole 24 and which is selectively engaged with the blade cartridge 30, And a blade (30) integral with the handle (20).

This will be described more specifically.

The handle 20 is divided into a grip portion to be attached by a user and a head portion to which the engaging means 40 is provided and a non-slip member 26 for preventing slippage is coupled to the grip portion.

The engaging hole 22 formed at one end of the handle 20 has a structure that is open to one side so that the engaging means 40 is engaged with the engaging hole 22. On the inner bottom surface and both side surfaces and the upper surface of the engaging hole 22, And guide ribs for guiding the fitting of the fastener elements 40 when they are fitted together. A detachment preventing hole 25A is formed at the bottom of the coupling hole 22 in order to prevent the detachment of the lower housing 42B from the coupling hole 22. The part of the release chamber 25 is fitted into the release prevention groove 42B-5 formed on the bottom surface of the lower housing 42B through the release prevention hole 25A, The detachment of the housing 42B can be prevented.

A pair of angled adjusting grooves 34 each having an arcuate shape and having a predetermined size are formed on both sides of the rear surface of the blade 30, .

A plurality of blades 32 are attached to the lower surface of the front lower end of the blade 30, that is, the multiple blades 32, and the elastic guards 36 made of a silicone material are provided so as to align the hairs when the hairs are cut . In the elastic guard 36, a plurality of alignment protrusions 36A for aligning the hairs are formed so as to be inclined at a predetermined angle toward the center.

The elastic guard 36 aligns the multiple blades 32 so as to smoothly cut the hairs laid down by the soap bubbles when the multiple blades 32 are brought into close contact with the skin to lubricate them, It plays a role of sliding without friction with skin.

On the other hand, on the upper surface of the blade cartridge 30, the outer blade 32B is provided separately from the front blades 32. The outer sheath 32B is used when forming a straight shaving line like a roundabout.

The pressing surface 38 is formed obliquely between the rear center of the blade 30 of the blade 30, that is, between the angle adjusting grooves 34 on both sides. This pressing surface 38 allows the pressing member 46 of the engaging means 40 to pressurize while supporting the blade cartridge 30 in a resilient manner.

That is, the pressing member 46 elastically urges the pressing surface 38 when the blade cartridge 30 rotates at a predetermined angle. With such a structure, When the cartridge 30 rotates, the end portion of the pressing member 46 presses the pressing surface 38, so that the blade cartridge 30 presses the skin at a predetermined pressure so as to come into close contact therewith, Lt; / RTI >

The engaging means 40 is provided between the upper housing 42A and the lower housing 42B and the upper and lower housings 42A and 42B and is selectively fitted into the angle adjusting groove 34 of the blade cartridge 30 A rotary support spring 44A for imparting elasticity to one end of the rotary support member 44 so that one end of the rotary support member 44 is opened and a pair of rotary support members 44A, A pressing member 46 mounted on the lower housing 42B so as to press the rear surface of the blade cartridge 30 to a predetermined pressure and a pair of rotary support members 44 An operation member 48 installed between the lower housing 42B and the upper housing 42A so as to be able to move back and forth between the lower housing 42B and the upper housing 42A, An operation knob 49 for engaging with the member 48 to advance the operation member 48 forward, It is configured to include.

The coupling means 40 will be described in more detail.

The lower housing 42B includes a guide protrusion 42B-1 having a guide hole 42B-2 protruded upward from the center of one end of the lower surface facing the rear surface of the blade cartridge 30, 1), the spring guide groove 42B-3 is formed. Support grooves 42B-4 are formed on both walls with reference to the spring guide grooves 42B-3. The rotation support protrusion 44D of the rotation support member 44 is inserted into the support groove 42B-4 so as to rotate and support the rotation support member 44. [ Each of the rotation support members 44 is supported by the rotation support protrusions 44D so that the rotation support protrusions 44D are spread on both sides of the rotation support springs 44A at the center of rotation, The operation is performed by assembling them in the directions facing each other by the operation.

The upper housing 42A is coupled with the lower housing 42B to form a working space therebetween, and a through hole 42A-1 is formed on the upper surface.

The rotation support members 44 are respectively disposed on both sides of the inside of the lower housing 42B so as to be positioned on both sides of the guide projections 42B-1 and the spring guide grooves 42B-3, The engaging protrusions 44B are selectively engaged with or separated from the angle adjusting grooves 34 of the blade cartridge 30 so that the engaging protrusions 44B are formed at one end to be engaged with both of the angle adjusting grooves 34, And the other end thereof is fitted in the support groove 42B-4 to form a rotation support protrusion 44D for supporting the rotation and each side surface is provided with a slant surface 44C inclined toward the fitting protrusion 44B .

The rotation support springs 44A are provided between the guide projections 42B-1 and the spring guide grooves 42B-3, and both ends thereof are respectively coupled to the rotation support members 44, 44). The rotation support members 44 of the two rotation support members 44A and 44B are rotated by the rotation support shaft 44A in a direction opposite to each other with the rotation support protrusions 44D as rotation axes, .

The pressing member 46 is for pressing the back surface of the blade cartridge 30 at a predetermined pressure and has one end engaged with the guide hole 42B-2 of the guide projection 42B-1, And is engaged with a pressing spring 46A provided in the groove 42B-3.

One end of the pressing member 46 is formed in a flat or curved shape so as to smoothly contact the pressing surface 38.

The step 46B is formed in the pressing member 46. The step 46B serves as a stopper when one end of the pressing member 46 is inserted into the guide hole 42B-2, Do not leave.

The operating member 48 is coupled to the lower housing 42B so as to linearly reciprocate in the operating direction of the pressing member 46 and is engaged with the other end of the pressing spring 46A, An inclined surface operating projection 48A for pushing the inclined surfaces 44C provided on the both sides of the inclined surface 44C so that the fitting projections 44B are released from the angle adjusting grooves 34 on both sides are protruded from both sides.

The operation member 48 is formed with an insertion hole 48B for engaging with a pair of engagement pieces 49A formed on the bottom surface of the operation knob 49, respectively. The pair of coupling pieces 49A is coupled to the insertion hole 48B through the operation hole 24 and the through hole 42A-1.

The operation knob 49 is provided with a pair of engaging pieces 49A on the bottom face so that the operation knob 49 is inserted into the engaging hole 22 while the lower housing 42B and the upper housing 42A are engaged with each other, And the through hole 42A-1 to the insertion hole 48B of the actuating member 48 to advance the actuating member 48 to separate the blade cartridge 30 from the engaging means 40 . That is, the pair of engaging pieces 49A is engaged with the fitting hole 48B of the actuating member 48 through the actuating hole 24 and the through hole 42A-1, thereby pushing the actuating member 48 toward the front It can be advanced.

The operation of the razor 10 having such a blade cartridge exchange structure according to the present invention constructed as described above will be described.

First, the pressing member 46 is inserted into the guide hole 42B-2, and is elastically supported by the pressing spring 46A. On both sides of the lower housing 42B corresponding to both sides of the pressing member 46 A pair of rotation support members 44 are provided and the operation member 48 is installed so that the slant surface operation protrusion 48A selectively presses the slant surface 44C of each rotation support member 44, 42A to the lower housing 42B.

Subsequently, the upper and lower housings 42A and 42B coupled to each other are inserted into the engaging holes 22 so that the through holes 42A-1 coincide with the operating holes 24, and then a pair of the operating knobs 49 Engages with the fitting hole 48B of the actuating member 48 through the actuating hole 24 and the through hole 42A-1.

In this way, the engaging means 40 is stably coupled to the handle 20.

In this state, in order to engage the blade cartridge 30 with the engaging means 40, the operation knob 49 is pushed forward so that the operation member 48 is moved forward.

Both the slant surface operating protrusions 48A push the respective inclined surfaces 44C of the both rotation supporting members 44 forward so that both of the rotation supporting members 44 are pushed forward, Is rotated such that the fitting projections 44B are gathered in the directions in which the fitting projections 44B are opposed to each other with respect to the rotation supporting protrusions 44D while overcoming the elasticity of the rotation supporting spring 44A.

When the pair of fitting protrusions 44B are gathered in the directions opposite to each other in this operation, the user mounts the blade cartridge 30 so that each fitting protrusion 44B is guided by the angle adjusting grooves formed on both sides of the back surface of the blade cartridge 30 (34), and then places the operation knob (49) which has been advanced forward.

The elastic force of the rotation support spring 44A pushes both the rotation support members 44 in opposite directions and the rotation support members 44 are rotated in the opposite directions The slope surface 44C of each rotation support member 44 pushes the slope surface operation projection 48A while rotating the rotation support projection 44D in the direction opposite to the initial rotation direction so that the operation member 48 is moved backward, At the same time, the operation knob 49 is also moved backward.

As the force that pushes the operation knob 49 forward is removed as described above, the rotation support members 44 of the both sides are rotatably supported by the rotation support springs 44A with the rotation support protrusions 44D as rotation axes, Each of the fitting protrusions 44B formed on one end of the rotation support member 44 is engaged with the angle adjusting groove 34 formed on both sides of the back surface of the blade cartridge 30 so as to face each other At the same time, one end of the urging member 46 is brought into close contact with the urging surface 38 to urge the rear surface of the blade cartridge 30 toward the front side at a predetermined pressure by the elastic force of the urging spring 46A .

When the blade cartridge 30 is coupled to the coupling means 40 provided on the handle 20 in the above-described process, the user attaches the handle 20 to bring the multiple blades 32 into close contact with the skin to cut hair.

At this time, in cutting the curled hair of the curved skin, the angle of the blade cartridge 30 is adjusted along the curvature of the skin even if the user does not change the angle of the handle 20 to match the curvature of the skin.

That is, the fitting projections 44B of the two rotary support members 44 are fitted in the arc-shaped both-side angle adjusting grooves 34 and the pressing members 46 are engaged with the pressing surfaces 38 of the blade cartridge 30 The blade cartridge 30 is adjusted at various angles along the bending of the skin within the range allowed by the angle adjusting groove 34 so that the blade cartridge 30 is moved along the skin curvature The pressing member 46 which is resiliently supported by the pressing spring 46A presses the pressing surface 38 at a predetermined pressure so that the multiple shaving blades 32 can be brought into close contact with the curved skin, The hair can be cut smoothly.

On the other hand, since the elastic guard 36A provided at the lower part of the multiple blades 32 aligns the hairs laid down by shaving foam or soap bubbles, the cutting efficiency of the hairs can be improved.

In addition, since the outer blade 32B is provided at the upper end of the blade cartridge 30, it is possible not only to remove hair but also to straighten the curtain wall to form a straight shaving line.

When the operation knob 49 is advanced in the case of replacing the blade cartridge 30 after shaving is completed by the above-described procedure, both the rotation support members 44 are rotated by the rotation support projections 44D by the above- The blade protrusions 44B inserted into the respective angle adjusting grooves 34 come out of the angle adjusting grooves 34 so that the blade cartridges 30 are rotated in a direction Is separated from the coupling means (40).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.

10: shaver 20: handle
22: Coupling ball 24: Operator ball
30: shaver cartridge 32: razor blade
34: Angle adjusting groove 36: Elastic guard
38: pressing face 40: engaging means
42A: upper housing 42B: lower housing
44: rotation support member 44A: rotation support spring
46: pressing member 46A: pressing spring
48: actuating member 49: actuating knob

Claims (5)

A handle formed with a coupling hole at one end thereof and having an operation hole communicated with the coupling hole on an upper surface thereof, coupling means provided on the coupling hole to be operable in the operation hole and selectively coupled to the blade cartridge, And a bladder cartridge coupled to the handle and integral with the handle,
A pair of angular adjustment grooves each having an arcuate shape and having a predetermined size are formed on both sides of the rear surface of the blade cartridge,
Wherein the coupling means comprises:
A guide protrusion provided with a guide hole is formed to protrude upward in the center of one end surface of the blade member facing the back surface of the blade cartridge, a spring guide groove is formed in the other end surface of the guide protrusion side, A lower housing having a support groove formed therein;
And the other end thereof is formed with a rotation support protrusion for supporting the rotation by being inserted into the support groove and the other end of the rotation protrusion is formed on each side of the rotation protrusion, A rotation support member formed on each of the inner sides of the lower housing so as to be positioned on both sides of the guide protrusion;
A rotation support spring provided between the spring guide groove and the guide projection and having both ends thereof coupled to both of the rotation support members to elastically support both rotation support members;
A pressing member, one end of which is engaged with the guide hole of the guide projection and the other end of which is engaged with a pressing spring provided in the spring guide groove to press the back surface of the blade cartridge to a predetermined pressure;
And the other end of the pushing spring is engaged with the other end of the pushing spring so as to push the inclined surface provided on the both of the rotation support members so that the respective rotation protrusions are released from the angle adjusting grooves on both sides, An actuating member protruding from both bottom surfaces of the inclined surface operating protrusion and coupled to the lower housing to linearly reciprocate in the operating direction of the pressing member;
An upper housing coupled to an upper portion of the lower housing to form an operation space between the upper housing and the lower housing with a through hole for exposing a part of the operation member on an upper surface thereof, And
And an operation knob coupled to the operation member through the operation hole to advance the operation member in a state where the lower housing and the upper housing coupled to each other are inserted into the engagement hole to separate the blade cartridge ≪ / RTI >
A razor having a blade exchange structure. The method according to claim 1,
At the lower front end of the razor blade cartridge,
Characterized in that an elastic guard made of a silicone material is provided so as to align the hairs when the razor blade is brought into close contact with the skin to cut the hairs.
A razor having a blade exchange structure. 3. The method of claim 2,
In the elastic guard,
Characterized in that a plurality of alignment projections for aligning hairs are projected obliquely at an angle toward the center.
A razor having a blade exchange structure. The method according to claim 1,
On the upper surface of the blade cartridge,
Characterized in that the outer blade is provided separately from the front blade,
A razor having a blade exchange structure. The method according to claim 1,
At the rear center of the blade cartridge,
Characterized in that the pressing surface, on which the one end of the pressing member is supported,
A razor having a blade exchange structure.
KR1020150126494A 2015-09-07 2015-09-07 shaver having exchange structure of changeable razor blade cartridges KR101764489B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150126494A KR101764489B1 (en) 2015-09-07 2015-09-07 shaver having exchange structure of changeable razor blade cartridges

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Application Number Priority Date Filing Date Title
KR1020150126494A KR101764489B1 (en) 2015-09-07 2015-09-07 shaver having exchange structure of changeable razor blade cartridges

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KR20170029310A KR20170029310A (en) 2017-03-15
KR101764489B1 true KR101764489B1 (en) 2017-08-02

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3909728A1 (en) * 2020-05-13 2021-11-17 Bic Violex S.A. Coupling mechanism
KR20220155098A (en) * 2021-05-14 2022-11-22 주식회사 도루코 Razor Handle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956851A (en) 1996-04-10 1999-09-28 The Gillette Company Shaving system including handle and replaceable cartridges

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