CN104908064B - The cutter of changeable blade - Google Patents
The cutter of changeable blade Download PDFInfo
- Publication number
- CN104908064B CN104908064B CN201410089008.XA CN201410089008A CN104908064B CN 104908064 B CN104908064 B CN 104908064B CN 201410089008 A CN201410089008 A CN 201410089008A CN 104908064 B CN104908064 B CN 104908064B
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- blade
- shell
- lid
- cutter
- changeable
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Abstract
A kind of cutter the invention discloses changeable blade includes shell, lid on the housing is set, and the knife rest being arranged between the shell and the lid, it is characterized in that, the blade that can be moved between the position stretched out and shunk is installed on the knife rest, and the periphery on the adjacent position of the retracted position of the blade is provided with tool magazine stand, and the tool magazine stand has the inner space of blade shapes, for placing stand-by blade.Wherein, the lid can connect on the housing with opening, and the knife rest is fixed between the lid and the shell.
Description
Technical field
The present invention relates to a kind of cutters, more particularly to a kind of with changeable blade and automatically replaceable
The cutter of blade.
Background technique
For the cutter that cutter etc. needs blade very thin, blade easily damages during use, how to pacify
Complete quickly more allowing blade replacement is problem to be solved.In general the cutter of current automatically replaceable blade, including can move
The dynamic cutter frame structure with blade, and in the state that blade is shunk, be in same transverse direction with blade and be in same
The spare tool magazine of position, for placing spare blade.When needing replacing blade, as long as longitudinal position of auto-changing blade
It sets on the position for using blade, substitutes original blade, realize automatic upper slitter.
United States Patent (USP) US6553674 discloses a kind of spare tool magazine of band, and the replaceable blade utility knife of automatically replaceable blade.Wherein
One magazine tool door is set on the position of tool magazine in lid, magazine tool door is connected by the pivot of top and the shell of knife, tool magazine tool
There is a springlock, when opening springlock, the door of tool magazine is opened along pivot.The defect of the design is, due to needing to protect
Hold the tight fit of the shell of magazine tool door and knife, the gap at magazine tool door pivot between the shell of knife is small as far as possible, so tool magazine
Door can only be opened to 90 degree or so, cause difficulty to placement and taking-up spare blade in this way, for very thin blade also very
It is easy to hurt user, in addition the design of springlock can also occupy space, keep structure not compact enough.
So there is a need for being able to the replaceable blade utility knife for easily and safely placing spare blade in the market.
Summary of the invention
The object of the present invention is to provide a kind of cutter, spare blade is stored at handle, and lid can be opened integrally, side
Just safely more allowing blade replacement.
The object of the present invention is to provide the structure of a kind of cutter, more allowing blade replacement is simple, more allowing blade replacement facilitates rapid.
To achieve the above object, include shell the present invention provides a kind of cutter of changeable blade, be arranged in the shell
Lid on body, and the knife rest being arranged between the shell and the lid, which is characterized in that being equipped on the knife rest can
With the blade moved between the position stretched out and shunk, and the periphery on the adjacent position of the retracted position of the blade is set
It is equipped with tool magazine stand, the tool magazine stand has the inner space of blade shapes, for placing stand-by blade.Wherein, the lid can
It opens ground connection on the housing, the knife rest is fixed between the lid and the shell.
The shell is together with the lid is by pivot knuckles.
The shell has front and rear, and the knife rest is arranged in the front, for installing the blade, after described
Portion is equipped with receiving portion, can place spare blade, the knife rest and the receiving portion are enclosed in the shell by the lid.
The knife rest positioned at shell front includes blade holder, and can move along the knife rest makes to be mounted on the blade holder
On blade convert exposing outside the shell and be accommodated in the shell between two positions.
The knife rest further includes slide control, the slide control include positioned at the hull outside hand-held part and
Hand-held part extends downwardly the interconnecting piece connecting with blade holder.
The coupling part be two parts, upper and lower part, the lower part have towards the side of housing direction it is convex, under described
There is spring between the bottom in portion and the contact surface of the blade holder, the shell has in the stroke range of the slide control
Spaced recess, the side projection is in the recess.
There is locking part on the blade, the locking part is the notch or through-hole on blade back, and the blade passes through institute
Locking part is stated to be removably attached in the blade holder.
The knife rest further includes blade lock, is located at the other side of the blade holder relative to the blade, which is provided with use
The blade is enabled to lock far from the insert orientation in the lock tongue in the locking part for being stuck in the blade and for receiving external force
Pushing and pressing part.
The shell has a unlock piece, including push spring corresponding to the position of blade lock pushing and pressing part, to the pushing and pressing part
Applied force.
The knife rest further includes upper knife, for the magnetic element in blade holder is arranged in.
It is provided with elastic slice on the lid, is arranged on the inside of the lid, the position of the elastic slice and the tool magazine stand
The position for the stand-by blade stored in inner space is corresponding.
It is provided with switching mechanism on the lid, for controlling the opening and closing of the lid Yu the shell.
The switching mechanism includes the trigger element on the lid outside and connects with what the trigger element was connected
Element is touched, under the switching mechanism closed state, the contact element and shell cooperation are fixed, when the switching mechanism
In the on-state, the contact element and the shell separate, so that the lid and the shell separate.
The trigger element can be rotated or pushed to control the fixation of the contact element Yu the shell by pressing
And discrete state.
The lid is equipped with a through-hole, and the inside of the through-hole, the switching mechanism is arranged in the trigger element
It further include switch spring, the switch spring is arranged between the front inner wall for leading to the hole and the trigger element.
The contact element is a hook elements, is extended from the bottom of trigger element, and the shell is intracorporal corresponding
There is a side channel on position, can accommodate and block the hook portion of the hook elements.
The trigger element includes the groove body and a pushing surface having there are two edge-on wall, is had respectively on two edge-on walls
There are two holes, have a pin shaft to pass through among the hole, are located at the groove body and pushing surface equipped with a pressure spring on the pin shaft
Between, the upper surface of the pushing surface is used for hand push, and the side of the pushing surface extends downwardly that there are two ear, institutes from the two sides of pushing surface
State that be respectively provided on ear can be by the hole of pin shaft, so that the pushing surface is mounted on the upper of the groove body by the pin shaft
The front in portion, pushing surface has a blocking portion, extends downwardly from the leading edge of pushing surface along ear, tool in the through-hole of the lid
There is a locating part, be located at the upper surface of described switch spring, the blocking portion is arranged at the locating part.
The switching mechanism further includes a fixing piece, in the vertical direction by the trigger element and the contact element
On be fixed on lid.
A secondary spring is also set up between the lid and shell.
The shell further includes elastic support in receiving portion, is mounted on the shell by the receiving portion, the bullet
The elastic tip of property bracket extends to the top of the receiving portion, the spare blade in the receiving portion can be fixed on the receipts
In appearance portion.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the outside schematic diagram of the specific embodiment of the invention.
Fig. 2 is the lid opening figure of the specific embodiment of the invention.
Fig. 3 is the explosive view of specific embodiment of the invention rear.
Fig. 4 is schematic diagram on the inside of the lid of the specific embodiment of the invention.
Fig. 5 is the explosive view of specific embodiment of the invention front.
Fig. 6 is the top view of the specific embodiment of the invention.
Specific embodiment
Shown in 1-3 as shown in the figure, the cutter of changeable blade of the invention includes shell 1, and the lid on shell 1 is arranged in
2, and the knife rest 3 being arranged between shell and lid, wherein being equipped on knife rest can move between the position stretched out and shunk
Blade 4, and the periphery on the adjacent position of the retracted position of blade is provided with tool magazine stand 34, and tool magazine stand has blade-shaped
The inner space of shape, for placing stand-by blade, wherein lid 2 can be connected on shell 1 with opening, and knife rest 3 is fixed on lid
Between body 2 and shell 1.In this way when opening lid, the inner space of tool magazine stand is exposed in all directions, can be convenient will be to
It is placed in tool magazine stand 34 with blade, when closing lid, cutter can normal use.
In the specific embodiment of the invention, shell has front 11 and rear portion 12, knife rest 3 is equipped in front, for installing
Using blade and stand-by blade is accommodated, receiving portion 121 is equipped at the handle of rear, spare blade can be placed, lid 2 can
The part at knife rest is opened or only opened with whole.In the specific embodiment of the invention, lid 2 can be connected to shell with integrally opening
On body 1, knife rest 3 and receiving portion 121 are enclosed in shell 1.
Wherein shell and lid are hinged by pivot 21.Hinged place is located at the tail portion of shell and lid, can also be with
In other positions, so that shell and lid can be opened and closed along the hinged place of pivot.Switching mechanism 22 is provided on lid,
For controlling the opening and closing of lid and shell.Switching mechanism 22 is located at the position that hand holds the thumb of cutter, is easy to use.
Knife rest 3 positioned at shell front includes blade holder 31, and blade is mounted in blade holder, and blade holder can be before knife rest
Movement makes the blade being mounted in blade holder 31 4 outside exposing shell and is accommodated in shell between two positions to convert afterwards.Change sentence
It talks about, blade holder can slide back and forth along knife rest, drive the blade being mounted in blade holder to move forward and backward, stretching when travelling forward
Shell is accommodated in when shell is outer or moves backward.
It illustrates in sliding manner herein, knife rest 3 further includes that slide control 32 from the upper end of blade holder 31 extends to shell 1
The outside on top facilitates user hand-held and saddle, and the blade being placed on knife rest.Row of the shell 1 in slide control
There are spaces within the scope of journey, mobile for slide control 32.Slide control 32 includes 321 He of hand-held part positioned at hull outside
Hand-held part extends downwardly the interconnecting piece 322 connecting with blade holder.Ambulatory handheld portion 321 and its interconnecting piece 322, can be with cutting blade
Frame is mobile.Further, coupling part is two parts, and upper and lower part, lower part has towards the side of housing direction convex, the bottom of lower part
There is spring 323 between portion and the contact surface of blade holder.Shell has spaced recess in the stroke range of slide control
324.Under normal circumstances, since the side projection of interconnecting piece lower part is in the recess, interconnecting piece can be only positioned at shell and control in sliding
On the position of recess 324 in product stroke range.When depressing the hand-held part of slide control, spring is compressed, this
When, the lower space for the recess that shell has separately is moved downwardly to the convex lower part in side, so the lower part convex with side
It will not be blocked, at this moment slide control can be moved freely in the stroke range of shell.When not to slide control 32
When hand-held part 321 applies downward pressure, spring pops up interconnecting piece 322, this makes, the side of interconnecting piece lower part it is convex into
Enter into the recess in the stroke range of shell slide control, at this moment, shell 1 is in the stroke range of slide control 32
The side of recess can stop the movement of interconnecting piece lower part, so, at this moment, slide control be it is irremovable, in this way guarantee slide
Dynamic control piece will not accidentally skid off blade, guarantee the safety of user.
There is locking part 41 on blade, locking part is the notch on blade back, can also be the through-hole on blade.Knife blade is logical
Locking part is crossed to be removably attached in blade holder.
Knife rest further includes blade lock 33, and the other side of the blade holder 31 relative to blade 4 is arranged in, which is provided with for card
Lock tongue 331 in blade lock portion 41 and the pushing and pressing part 332 for receiving the separate insert orientation swing of the another blade lock of external force.
Under normal circumstances, the hole that lock tongue passes through on the corresponding position in blade holder is protruded into the locking part of blade, so that blade can be along knife
Horse and blade lock are moved forward and backward together.When blade needs replacing, pushing and pressing part 332 is pushed, lock tongue is simultaneously with pushing and pressing part
It moves, is detached from from the locking part of blade backward, so that blade can be unloaded from blade holder.In this embodiment, knife
In the extended state, the pushing and pressing part 332 of blade lock 33 moves forward to blade with blade holder and blade and stretches out state piece, at this moment,
Exposed by the hole 342 on tool magazine stand 34 pushing and pressing part.After pushing pushing and pressing part, blade, blade are pulled from the extending port of blade
It unloads.
Blade lock 33 passes through the axle construction of lower part and the corresponding position axis connection of blade holder.Blade skid off state under,
Lid has a unlock piece 24, including push spring 241 corresponding to the position of blade lock pushing and pressing part, pushes push spring from hull outside
When, the hole 342 that push spring passes through on tool magazine stand applies downward power to pushing and pressing part, so that lock tongue is transported downwards with pushing and pressing part simultaneously
It is dynamic, it is detached from from the locking part of blade, at this moment, the direction stretched out to blade pulls blade, blade can be unloaded.To replace
New stand-by blade uses.
The stand-by blade placed in tool magazine stand inner space is identical as position when being retracted using blade, in this way, when using
After blade unloads.Stand-by blade can be used normally automatically into blade holder.In other words, it is stand-by when blade holder retracts
Blade corresponds to the setting unit that blade holder places blade, so as to after the blade on knife rest is removed by stand-by blade in positional relationship
Placement portion can be directly moved into and realize automatic upper slitter.
Knife rest further includes upper knife 35, enables stand-by blade be close to knife rest stand-by blade force, so as in blade holder
Blade exerts a force to stand-by blade after removing, and the placement portion that stand-by blade moves to blade holder is realized automatic upper slitter.In the present embodiment
In, upper knife is magnetic element, is fixed in blade holder, attraction is generated to stand-by blade, to realize automatic upper slitter.
In the specific embodiment of the invention, as shown in figure 4, further including an elastic slice 25 on lid, it is arranged on the inside of lid,
The position of stand-by blade stored in the position of elastic slice and the inner space of tool magazine stand is corresponding, to stand-by blade apply one to
Interior power guarantees that stand-by blade stays in tool magazine stand.
Specifically in the present embodiment, as Fig. 5-6 switching mechanism include on the outside of the lid on trigger element 221 and with touching
The connected contact element 222 of element is sent out, under switching mechanism closed state, contact element 222 and the cooperation of shell 1 are fixed, when opening
In the on-state, contact element separates shutting mechanism with shell, so that lid and shell separate.
Trigger element 221 can be pushed to control fixing and separating for contact element 222 and shell 1 by pressing, rotation
State.The present invention is by pushing trigger element, to realize the fixation and discrete state of control contact element and shell.Specifically,
Lid is equipped with a through-hole 23, and switching mechanism further includes switch spring 223, and the inside of through-hole 23 is arranged in trigger element 221,
And trigger element surface is slightly above the surface of lid 2, to facilitate hand push dynamic.Before through-hole 23 is arranged in switch spring 223
Between side inner wall and trigger element.Contact element 222 is a hook elements, is extended from the bottom of trigger element, shell
There is a side channel 122 on interior corresponding position, can accommodate and block the hook portion of hook elements.When pushing trigger element forward
When, hook elements are deviate from from the side channel on shell, so that lid is separated with shell, switch spring automatically answers trigger element
Position.The top of hook elements has an inclined-plane, and when lid and shell to be closed, hook elements are being switched along the inclined-plane at top
It is caught in the side channel on shell under the cooperation of spring, trigger element resets under the action of switch spring later, lid and shell
In conjunction with finishing.
Further, staff accidentally pushes trigger element in order to prevent, to open lid, causes the inside blade de-
The serious consequences such as fall, trigger element is designed to spring clip structure, and trigger element 2211 includes that there are two the slots of edge-on wall for a tool
Body 2212 and a pushing surface 2216 are respectively provided with two holes 2213 on two edge-on walls, have a pin shaft 2214 to pass through among hole,
One pressure spring 2215 is housed, the upper surface of pushing surface is used for hand push, and the side of pushing surface is extended downwardly from the two sides of pushing surface on pin shaft
There are two ear 2217, being respectively provided on ear can be by the hole 2218 of pin shaft, so that pushing surface is mounted on groove body by pin shaft
The front on top, pushing surface has a blocking portion 2219, extends downwardly from the leading edge of pushing surface along ear.Have in the through-hole of lid
One locating part 231, is located at the upper surface of switch spring, and blocking portion is arranged at locating part.Trigger element is pushed forward, due to resistance
Stopper is kept off at locating part, and trigger element can not move forward, and switching mechanism can not normal use.When pull down pushing surface after
When portion, the rear portion of pushing surface overcomes the elastic force of pressure spring downward, and top is then tilted along pin shaft, and at this moment blocking portion is located at locating part
Top pushes trigger element contact element can be made integrally to move forward, so that lid can be opened, later, trigger element
It is resetted under the action of switch spring, pushing surface also resets under the action of pressure spring.Further, locating part is prolonged from the side wall of through-hole
It stretches, positioned at the top of switch spring, when tilting after the front of trigger element is pushed due to rear portion, locating part is located at
The lower section of trigger element blocking portion.When the power not pushed when trigger element rear portion, front is not tilted, at this moment, limit
Part stops the blocking portion of trigger element to move forward, to prevent lid from being opened from shell, to guarantee the safety of user.It pushes away
There is a recess at the rear portion in face, facilitates finger to be put into and gives pushing surface one power pushed at rear portion.In this embodiment, as connecing
The hook elements of touching element 222 can be integrated with 2212 bottom of groove body of trigger element, be also possible to be fixedly connected.Switching on and shutting down
Structure further includes a fixing piece 223, and trigger element and contact element are fixed on lid in the vertical direction, in transverse direction
It is mobile that trigger element is not influenced on direction.Specifically, fixing piece is a card, contact element is stuck in the bottom of lid.Card
Piece is a plates, and centre has a recess portion, the part of the respective cross-section of trigger element can be accommodated wherein.In lid
A secondary spring 224 is also set up between shell, in the groove on the side of lid contact element, when lid and shell can
When to open, lid and shell are flicked, are easy to use.
Shell of the invention further includes elastic support 122 in the part of receiving portion, is mounted on the shell by receiving portion, bullet
The elastic tip of property bracket extends to the top of receiving portion, the spare blade in receiving portion can be fixed in receiving portion.Receiving
There are two inclined support frames in portion facilitates storage and taking-up so spare blade inclined can be arranged in receiving portion, and
And inclined lower part is used to store the blade of blade, to guarantee the safety of user.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (19)
1. a kind of cutter of changeable blade, including shell, lid on the housing is set, and setting in the shell and
Knife rest between the lid, which is characterized in that being equipped on the knife rest can move between the position stretched out and shunk
Blade, and the periphery on the adjacent position of the retracted position of the blade is provided with tool magazine stand, and the tool magazine stand has knife
The inner space of plate shape, for placing stand-by blade, wherein the lid can connect on the housing with opening, by institute
Knife rest is stated to be fixed between the lid and the shell；It is provided with switching mechanism on the lid, for controlling the lid
With the opening and closing of the shell；The switching mechanism include on the outside of the lid on trigger element and with the touching
Send out the connected contact element of element；The lid is equipped with a through-hole, and the inside of the through-hole is arranged in the trigger element；
The trigger element includes a pushing surface, and the front of pushing surface has a blocking portion, has one in the through-hole of the lid
A locating part, the blocking portion are arranged at the locating part.
2. the cutter of changeable blade as described in claim 1, which is characterized in that the shell and the lid pass through pivot
It is hinged.
3. the cutter of changeable blade as described in claim 1, which is characterized in that the shell has front and rear, institute
Knife rest setting is stated in the front, for installing the blade, the rear portion is equipped with receiving portion, for placing spare blade, institute
It states lid the knife rest and the receiving portion are enclosed in the shell.
4. the cutter of changeable blade as claimed in claim 3, which is characterized in that the knife rest positioned at shell front includes
Blade holder, the blade that can move along the knife rest makes to be mounted in the blade holder are exposing outside the shell and are being accommodated in institute
It states in shell and is converted between two positions.
5. the cutter of changeable blade as claimed in claim 4, which is characterized in that the knife rest further includes slide control,
The slide control includes extending downwardly the connection connecting with blade holder positioned at the hand-held part of the hull outside and hand-held part
Portion.
6. the cutter of changeable blade as claimed in claim 5, which is characterized in that the coupling part is two parts, top
And lower part, the lower part have towards the side of housing direction it is convex, between the bottom of the lower part and the contact surface of the blade holder
There is spring, the shell has spaced recess in the stroke range of the slide control, and the side projection is in described recessed
In falling into.
7. the cutter of changeable blade as claimed in claim 5, which is characterized in that have locking part, the lock on the blade
Stop is the notch or through-hole on blade back, and the blade is removably attached to the blade holder by the locking part
On.
8. the cutter of changeable blade as claimed in claim 7, which is characterized in that the knife rest further includes blade lock, is located at
The other side of the blade holder relative to the blade, which is provided with lock tongue in the locking part for being stuck in the blade and
The blade is enabled to lock the pushing and pressing part far from the insert orientation for receiving external force.
9. the cutter of changeable blade as claimed in claim 8, which is characterized in that the shell locks pushing and pressing part corresponding to blade
Position there is a unlock piece, including push spring, to the pushing and pressing part applied force.
10. the cutter of changeable blade as claimed in claim 9, which is characterized in that the knife rest further includes upper knife, to set
Set the magnetic element in blade holder.
11. the cutter of changeable blade as claimed in claim 10, which is characterized in that it is provided with elastic slice on the lid, if
It sets on the inside of the lid, the position phase for the stand-by blade stored in the position of the elastic slice and the inner space of the tool magazine stand
It is corresponding.
12. the cutter of changeable blade as described in claim 1, which is characterized in that under the switching mechanism closed state,
The contact element and the shell cooperation fix, when the switching mechanism in the on-state, the contact element with it is described
Shell separates, so that the lid and the shell separate.
13. the cutter of changeable blade as described in claim 1, which is characterized in that pressing, rotation or promotion institute can be passed through
Trigger element is stated to control the fixation and discrete state of the contact element Yu the shell.
14. the cutter of changeable blade as claimed in claim 12, which is characterized in that the switching mechanism further includes switch bullet
Spring, the switch spring are arranged between the front inner wall for leading to the hole and the trigger element.
15. the cutter of changeable blade as claimed in claim 14, which is characterized in that the contact element is a hook-shaped member
Part extends from the bottom of trigger element, has a side channel on the intracorporal corresponding position of shell, can accommodate and block institute
State the hook portion of hook elements.
16. the cutter of changeable blade as claimed in claim 15, which is characterized in that the trigger element further includes a tool
There are two the groove body of edge-on wall, two holes are respectively provided on two edge-on walls, have a pin shaft to pass through among the hole, it is described
On pin shaft equipped with a pressure spring between the groove body and pushing surface, the upper surface of the pushing surface is used for hand push, the pushing surface
Side extend downwardly from the two sides of pushing surface there are two ear, being respectively provided on the ear can be by the hole of pin shaft, to pass through
The pushing surface is mounted on the top of the groove body by the pin shaft, and the blocking portion is extended downwardly from the leading edge of pushing surface along ear,
The locating part is located at the upper surface of described switch spring.
17. the cutter of changeable blade as claimed in claim 16, which is characterized in that the switching mechanism further includes one solid
Determine part, the trigger element and the contact element are fixed on lid in the vertical direction.
18. the cutter of changeable blade as claimed in claim 17, which is characterized in that also set up between the lid and shell
One secondary spring.
19. the cutter of changeable blade as claimed in claim 18, which is characterized in that the shell further includes bullet in receiving portion
Property bracket, is mounted on the shell by the receiving portion, the elastic tip of the elastic support extends to the receiving portion
Spare blade in the receiving portion can be fixed in the receiving portion by top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089008.XA CN104908064B (en) | 2014-03-12 | 2014-03-12 | The cutter of changeable blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089008.XA CN104908064B (en) | 2014-03-12 | 2014-03-12 | The cutter of changeable blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104908064A CN104908064A (en) | 2015-09-16 |
| CN104908064B true CN104908064B (en) | 2018-12-21 |
Family
ID=54077712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410089008.XA Active CN104908064B (en) | 2014-03-12 | 2014-03-12 | The cutter of changeable blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104908064B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278070B (en) * | 2017-07-19 | 2024-09-24 | 杭州巨星科技股份有限公司 | Telescopic cutter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060048392A1 (en) * | 2004-09-08 | 2006-03-09 | Olfa Corporation | Auto-locking and step-sliding type cutter knife |
| CN201061886Y (en) * | 2007-01-24 | 2008-05-21 | 黄元德 | Multipurpose cutter knife |
| CN201158039Y (en) * | 2008-02-27 | 2008-12-03 | 上海昆杰五金工具有限公司 | Multifunction cutter |
| CN202498552U (en) * | 2012-03-09 | 2012-10-24 | 金联荣 | Folding art knife |
| CN203792360U (en) * | 2014-03-12 | 2014-08-27 | 杭州巨星工具有限公司 | Tool with replaceable blade |
-
2014
- 2014-03-12 CN CN201410089008.XA patent/CN104908064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060048392A1 (en) * | 2004-09-08 | 2006-03-09 | Olfa Corporation | Auto-locking and step-sliding type cutter knife |
| CN201061886Y (en) * | 2007-01-24 | 2008-05-21 | 黄元德 | Multipurpose cutter knife |
| CN201158039Y (en) * | 2008-02-27 | 2008-12-03 | 上海昆杰五金工具有限公司 | Multifunction cutter |
| CN202498552U (en) * | 2012-03-09 | 2012-10-24 | 金联荣 | Folding art knife |
| CN203792360U (en) * | 2014-03-12 | 2014-08-27 | 杭州巨星工具有限公司 | Tool with replaceable blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104908064A (en) | 2015-09-16 |
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