CN107379024B - Safety package tears knife open - Google Patents
Safety package tears knife open Download PDFInfo
- Publication number
- CN107379024B CN107379024B CN201710820279.1A CN201710820279A CN107379024B CN 107379024 B CN107379024 B CN 107379024B CN 201710820279 A CN201710820279 A CN 201710820279A CN 107379024 B CN107379024 B CN 107379024B
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- China
- Prior art keywords
- head
- blade
- knife
- limit
- movable
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B1/00—Hand knives with adjustable blade; Pocket knives
- B26B1/08—Hand knives with adjustable blade; Pocket knives with sliding blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Knives (AREA)
Abstract
The invention discloses a kind of safety packages to tear knife open, includes: the knife pipe of a tubulose；One tail-hood；One fixing head, the fixing head is removably disposed in the head of the knife pipe, the center of the fixing head is equipped with a perforative rotation cavity, it is evenly provided with a limit arc slot array being made of the limit arc slot of arc in the circumferential direction of the end face of the fixing clasp, is respectively equipped with a limit spring in the limit arc slot；One movable head, the movable head are rotatably arranged in the rotation cavity；One knife bar, the knife bar are movably disposed in the knife pipe；One safety spring, the safety spring is socketed on the spring card pole, when the movable head is in the first operating position, the blade channels and the blade form a preset blocking angle, when the movable head is in the second operating position, the blade channels are parallel to each other with the blade, and the blade stretches out the blade channels.
Description
The application is application No. is 201610627992X, and invention and created name is that portable package tears knife open, the applying date is
The divisional application of application for a patent for invention on 08 02nd, 2016.
Technical field
The present invention relates to a kind of cutters, more precisely, being that a kind of wrap up safely tears knife open.
Background technique
Existing package tears knife open using folding blade, and safety is poor, is not easy to carry and use, and also has using spring blade
Tear knife open, however, this blade for tearing knife open does not have any safety measure, be easy to unexpected stretch out and hurt sb.'s feelings.
Summary of the invention
The present invention mainly solves technical problem present in the prior art, so that providing a kind of wrap up safely tears knife open.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
The invention discloses a kind of safety packages to tear knife open, includes:
One knife pipe；
One tail-hood, the tail-hood are removably disposed in the tail portion of the knife pipe；
One fixing head, the fixing head are removably disposed in the head of the knife pipe, in the fixing head
The heart is equipped with a perforative rotation cavity；
One movable head, the movable head is rotatably arranged in the rotation cavity, in the movable head
The heart is equipped with a perforative blade channels；
One resetting apparatus, the resetting apparatus make the movable head have the trend for being turned back to home position；
One knife bar, the knife bar are movably disposed in the knife pipe, and the knife rod head is equipped with a blade；
One safety spring, for limiting position of the knife bar in knife pipe and with returning to becoming for home position
Gesture；
After the movable head rotates a preset blocking angle, the blade channels and the blade are mutually flat
Row, the blade stretch out the blade channels.
The invention also discloses a kind of safety packages to tear knife open, includes:
The knife pipe of one tubulose, the side wall of the knife pipe are equipped with the perforative movable notch of a strip；
One tail-hood, the tail-hood are removably disposed in the tail portion of the knife pipe, and the tail-hood is equipped with one and hangs
Hole；
One fixing head, the fixing head are removably disposed in the head of the knife pipe, and the fixing head includes
The center of the fixing clasp of the fixed screw of one tubulose and an annular, the fixing head is equipped with a perforative rotation cavity, institute
The end face for the fixing clasp stated is equipped with the limit arc slot of an arc, is equipped with a limit spring in the limit arc slot；
One movable head, the movable head are rotatably arranged in the rotation cavity, and the movable head includes
One columned movable cylinder, the head of the movable cylinder is equipped with a discoid front limit coiled hair, the portable pillar
The tail portion of body is equipped with a discoid rear limit coiled hair, and the blade that the center of the movable head is equipped with a perforative rectangle is logical
Road, the inner wall of the front limit coiled hair are equipped with a columned limit column cap, the limit column cap and the limit
Spring matches, and the outer diameter of the movable cylinder is equal with the rotation internal diameter of cavity；
One knife bar, the knife bar are movably disposed in the knife pipe, and the knife bar includes one columned
Column and a columned spring card pole are pushed away, the head of the spring card pole is equipped with a blade, and described pushing away is set on the side wall of column
There are a push button, the prominent movable notch of the push button；
One safety spring, the safety spring are socketed on the spring card pole；
The movable head is between the first operating position and the second operating position, when the movable head is in first
When operating position, the blade channels and the blade form a preset blocking angle, when the movable head is in
When the second operating position, the blade channels are parallel to each other with the blade, and it is logical that the blade stretches out the blade
Road.
As preferred embodiments of the present invention, the blade is separably connected with the spring card pole.
The invention also discloses a kind of safety packages to tear knife open, includes:
The knife pipe of one tubulose, the side wall of the knife pipe are equipped with the perforative movable notch of a strip；
One tail-hood, the tail-hood are removably disposed in the tail portion of the knife pipe, and the tail-hood is equipped with one and hangs
Hole；
One fixing head, the fixing head are removably disposed in the head of the knife pipe, and the fixing head includes
The center of the fixing clasp of the fixed screw of one tubulose and an annular, the fixing head is equipped with a perforative rotation cavity, institute
A limit arc slot array being made of the limit arc slot of arc is evenly provided in the circumferential direction of the end face for the fixing clasp stated, it is described
Limit arc slot in be respectively equipped with a limit spring；
One movable head, the movable head are rotatably arranged in the rotation cavity, and the movable head includes
One columned movable cylinder, the head of the movable cylinder is equipped with a discoid front limit coiled hair, the portable pillar
The tail portion of body is equipped with a discoid rear limit coiled hair, and the blade that the center of the movable head is equipped with a perforative rectangle is logical
Road is evenly provided with a limit column cap battle array being made of columned limit column cap in the inner wall circumferential direction of the front limit coiled hair
Column, the limit column cap are matched with the limit spring, the outer diameter of the movable cylinder and the rotation cavity
Internal diameter it is equal；
One knife bar, the knife bar are movably disposed in the knife pipe, and the knife bar includes one columned
Column and a columned spring card pole are pushed away, the head of the spring card pole is equipped with a blade, and described pushing away is set on the side wall of column
There are a push button, the prominent movable notch of the push button；
One safety spring, the safety spring are socketed on the spring card pole；
The movable head is between the first operating position and the second operating position, when the movable head is in first
When operating position, the blade channels and the blade form a preset blocking angle, when the movable head is in
When the second operating position, the blade channels are parallel to each other with the blade, and it is logical that the blade stretches out the blade
Road.
As preferred embodiments of the present invention, the blade is separably connected with the spring card pole.
The invention also discloses a kind of safety packages to tear knife open, includes:
The knife pipe of one tubulose, the side wall of the knife pipe are equipped with the perforative movable notch of a strip；
One tail-hood, the tail-hood are removably disposed in the tail portion of the knife pipe, and the tail-hood is equipped with one and hangs
Hole；
One fixing head, the fixing head are removably disposed in the head of the knife pipe, and the fixing head includes
The center of the fixing clasp of the fixed screw of one tubulose and an annular, the fixing head is equipped with a perforative rotation cavity；
One movable head, the movable head are rotatably arranged in the rotation cavity, and the movable head includes
One columned movable cylinder, the head of the movable cylinder is equipped with a discoid front limit coiled hair, the portable pillar
The tail portion of body is equipped with a discoid rear limit coiled hair, and the blade that the center of the movable head is equipped with a perforative rectangle is logical
Road, the outer diameter of the movable cylinder is equal with the rotation internal diameter of cavity, and the side wall of the movable cylinder is equipped with
The spring slot of one annular, the spring slot is interior to be equipped with a limit wind spring, and the inner termination of the limit wind spring and the spring slot are consolidated
Fixed connection, the external end head of the limit wind spring are fixedly connected with the inner wall of the rotation cavity；
One knife bar, the knife bar are movably disposed in the knife pipe, and the knife bar includes one columned
Column and a columned spring card pole are pushed away, the head of the spring card pole is equipped with a blade, and described pushing away is set on the side wall of column
There are a push button, the prominent movable notch of the push button；
One safety spring, the safety spring are socketed on the spring card pole；
The movable head is between the first operating position and the second operating position, when the movable head is in first
When operating position, the blade channels and the blade form a preset blocking angle, when the movable head is in
When the second operating position, the blade channels are parallel to each other with the blade, and it is logical that the blade stretches out the blade
Road.
As a preference of the present invention, the blade is separably connected with the spring card pole.
Invention additionally discloses a kind of safety packages to tear knife open, includes:
The knife pipe of one tubulose, the side wall of the knife pipe are equipped with the perforative movable notch of a strip；
One tail-hood, the tail-hood are removably disposed in the tail portion of the knife pipe, and the tail-hood is equipped with one and hangs
Hole；
One fixing head, the fixing head are removably disposed in the head of the knife pipe, and the fixing head includes
The center of the fixing clasp of the fixed screw of one tubulose and an annular, the fixing head is equipped with a perforative rotation cavity, institute
The end face for the fixing clasp stated is equipped with the limit arc slot of an arc, is equipped with a limit spring in the limit arc slot；
One movable head, the movable head are rotatably arranged in the rotation cavity, and the movable head includes
One columned movable cylinder, the head of the movable cylinder is equipped with a discoid front limit coiled hair, the portable pillar
The tail portion of body is equipped with a discoid rear limit coiled hair, and the blade that the center of the movable head is equipped with a perforative rectangle is logical
Road, the inner wall of the front limit coiled hair are equipped with a columned limit column cap, the limit column cap and the limit
Spring matches, and the outer diameter of the movable cylinder is equal with the rotation internal diameter of cavity, the axial direction of the movable head
Center is equipped with a perforative columned rotation path；
One knife bar, the knife bar are movably disposed in the knife pipe, and the knife bar includes one columned
Column and a columned spring card pole are pushed away, the head of the spring card pole is equipped with a blade, and described pushing away is set on the side wall of column
There is a push button, the prominent movable notch of the push button, the tail portion of the blade is equipped with a locking horizontal stripe, the lock
Only the two sides of horizontal stripe are respectively equipped with the rotation cambered surface of an arc, and the rotation cambered surface is matched with the rotation path；
One safety spring, the safety spring are socketed on the spring card pole；
The movable head is between the first operating position and the second operating position, when the movable head is in first
When operating position, the blade channels and the blade form a preset blocking angle, when the movable head is in
When the second operating position, the blade channels are parallel to each other with the blade, and it is logical that the blade stretches out the blade
Road.
As a preference of the present invention, the blade is separably connected with the spring card pole.
Safety package of the invention, which is torn cutter open and had the advantage that, either stretches out blade, or blade is locked, and is both needed to
It wants to cooperate simultaneously in both direction, safety is good, is suitble to daily wearing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic perspective view that safety package of the invention tears knife open；
Fig. 2 is that the safety in Fig. 1 wraps up the stereochemical structure decomposing schematic representation for tearing knife open；
Fig. 3 is that the safety in Fig. 1 wraps up the schematic perspective view for tearing knife open, is at this time another visual angle；
Fig. 4 is that the safety package in Fig. 3 tears cross-sectional view of the knife along line A-A open；
Fig. 5 is that the safety package in Fig. 1 tears the fixing head of knife and the cooperation schematic diagram of movable head open；
Fig. 6 is that the safety in Fig. 5 wraps up the schematic perspective view for tearing the movable head of knife open；
Fig. 7 be safety package in Fig. 1 tear knife open use schematic diagram, safety package is torn knife open and is in the lock state at this time；
Fig. 8 be safety package in Fig. 1 tear knife open use schematic diagram, to tear knife open in the unlocked state for safety package at this time；
Fig. 9 is the schematic perspective view for second of embodiment that safety package of the invention tears knife open, is only shown at this time
Fixing head is shown；
Figure 10 is the schematic perspective view for second of embodiment that safety package of the invention tears knife open, is only shown at this time
Fixing head is shown；
Figure 11 is the schematic perspective view for the third embodiment that safety package of the invention tears knife open, is only shown at this time
Fixing head and movable head are shown；
Figure 12 is that the safety in Figure 11 wraps up the schematic perspective view for tearing the movable head of knife open；
Figure 13 is cross-sectional view of the movable head in Figure 12 along line B-B；
Figure 14 is the schematic perspective view for the 4th kind of embodiment that safety package of the invention tears knife open, is only shown at this time
Knife bar, fixing head and movable head are shown；
Figure 15 is that the safety in Figure 14 wraps up the detail enlarged diagram for tearing the region C of knife open；
Figure 16 is that the safety in Figure 14 wraps up the stereochemical structure decomposing schematic representation for tearing knife open；
Figure 17 is that the safety in Figure 16 wraps up the schematic perspective view for tearing the movable head of knife open, is at this time lateral visual angle.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figures 1 to 6, safety package tears knife open, the knife pipe 2 comprising a tubulose, and the side wall of the knife pipe 2 is equipped with one
The perforative movable notch 21 of strip.It is equipped with a dismountable tail-hood 3 in the tail portion of knife pipe 2, a hanging hole is equipped on tail-hood 3
31, for hanging key chain, it is convenient for carrying.
It is equipped with a fixing head 4 on the head of knife pipe 2, which includes the fixed screw 41 and an annular of a tubulose
Fixing clasp 42.The outer wall of fixed screw 41 is equipped with screw thread, and is connected by screw thread with knife pipe 2.The center of the fixing head 4
Equipped with a perforative rotation cavity 43, the end face of the fixing clasp 42 is equipped with the limit arc slot 44 of an arc, the limit arc slot
A limit spring 45 is equipped in 44.
A rotatable movable head 5 is equipped in rotation cavity 43, which includes a columned movable cylinder
51, the head of the activity cylinder 51 is equipped with a discoid front limit coiled hair 52, and the tail portion of the activity cylinder 51 is equipped with a disk
The rear limit coiled hair 53 of shape, the center of the movable head 5 are equipped with the blade channels 54 of a perforative rectangle, the front limit coiled hair 52
Inner wall is equipped with a columned limit column cap 55, which matches with the limit spring 45, the activity cylinder 51
Outer diameter it is equal with the internal diameter of the rotation cavity 43.It will continue to be illustrated limit column cap 55 with limit spring 45 hereinafter.
A knife bar 6 is equipped in knife pipe 2, which is movably disposed in the knife pipe 2, which includes a cylinder
Shape pushes away column 61 and a columned spring card pole 62, and the head of the spring card pole 62 is equipped with a blade 63, this pushes away the side of column 61
Wall is equipped with a push button 64, the prominent activity notch 21 of the push button 64.A safety spring 7 is socketed on spring card pole 62.
The application method for tearing knife open is described in detail below.
As shown in fig. 7, when not in use, under the action of safety spring 7, knife bar 6 is in the tail portion of knife pipe 2, blade 63
It is hidden in knife pipe 2.
When user need in use, as shown in fig. 7, first with finger push knife bar 6 push button 64 so that push button 64
It is movable forward along movable notch 21, until the head of blade 63 resists the inner wall of movable head 5, blade 63 and blade channels at this time
54, which form one, stops angle K, and blade 63 can not be stretched out from blade channels 54, prevent push button 64 from surprisingly sliding and leading to blade 63
Stretching is hurted sb.'s feelings, and when tearing this open knife especially with person and being worn on the key chain of loins, safety is good.
At this point, user's rotary moveable head 5, so that limit column cap 55 squeezes limit spring 45, blade channels 54 and the knife
Piece 63 is parallel to each other, as shown in figure 8, at this point, blade 63 can freely stretch out blade channels 54.
After use, user unclamps push button 64, and under the action of safety spring 7, knife bar 6 bounces back to raw bits backward
It sets.Meanwhile under the action of limit spring 45, the promotion of limit spring 45 limits column cap 55 so that movable head 5 be turned back to it is original
Position.
As shown in Figure 9 and Figure 10, second of embodiment of knife is torn open for safety package of the invention.With the first embodiment party
Formula the difference is that fixing head 4A and movable head 5A structure.
A limit arc slot being made of the limit arc slot 44A of arc is evenly provided in the circumferential direction of the end face of the fixing clasp
Array is respectively equipped with a limit spring 45A in limit arc slot 44A.Correspondingly, the inner wall of the front limit coiled hair of movable head 5A
A limited post head array being made of columned limit column cap 55A, the limit column cap 55A and the limit are evenly provided in circumferential direction
Position spring 45A is matched.
Increasing multiple groups limit arc slot and limiting column cap is advantageous in that the stationarity for improving movable head rotation and shortens revolution
Speed, while (as shown in Figure 7) movable head is also increased in the state of not using to the buckle press of blade, it is further provided
Safety package of the invention tears the safety of knife open.
As shown in Figure 11 to Figure 13, the third embodiment of knife is torn open for safety package of the invention.With the first implementation
Mode the difference is that fixing head 4B and movable head 5B structure.
In the fixing clasp 42B of the fixing head 4B annular of the fixed screw 41B comprising a tubulose and one, fixing head 4B
The heart is equipped with a perforative rotation cavity 43B.
Movable head 5B is rotatably arranged in rotation cavity 43B.Movable head 5B includes a columned work
The head of dynamic cylinder 51B, activity cylinder 51B are equipped with a discoid front limit coiled hair 52B, the tail portion of activity cylinder 51B
Equipped with a discoid rear limit coiled hair 53B, the center of movable head 5B is equipped with the blade channels 54B of a perforative rectangle, should
The outer diameter of movable cylinder 51B is equal with the internal diameter of rotation cavity 43B, and the side wall of activity cylinder 51B is equipped with an annular
It is equipped with one in spring slot 511B, spring slot 511B and limits wind spring 45B, inner termination and the spring slot 511B of limit wind spring 45B is fixed
Connection, the external end head of limit wind spring 45B are fixedly connected with the inner wall of rotation cavity 43B.Optimally, limit wind spring 45B's
Inner termination and spring slot 511B are welded to connect, and the inner wall of the external end head and rotation cavity 43B that limit wind spring 45B is welded to connect.
When user rotates movable head 5B, limit wind spring 45B shrinks deformation.As user's releasing activity head 5B
When, diastole deformation occurs for limit wind spring 45B, so that movable head 5B Rapid reset.For common spring, the elasticity of wind spring is more
By force, safety is more preferable, and structure is more compact.
As shown in Figure 14 to Figure 17, the 4th kind of embodiment of knife is torn open for safety package of the invention.With the first implementation
Mode the difference is that knife bar 6C and movable head 5C structure.
The center of movable head 5C is equipped with the blade channels 54C of a perforative rectangle, and the axial centre of movable head 5C is equipped with
One perforative columned rotation path 541C.
Knife bar 6C include one it is columned push away the columned spring card pole 62C of column 61C and one, spring card pole 62C's
Head is equipped with a blade 63C, which is equipped with a push button 64C, and the prominent activity notch 21 of push button 64C should
The tail portion of blade 63C is equipped with a locking horizontal stripe 631C, and the two sides of locking horizontal stripe 631C are respectively equipped with the rotation cambered surface of an arc
632C, the rotation cambered surface 632C are matched with rotation path 541C；
When tearing knife open using this, knife bar 6C is pushed into distalmost end using push button 64C by user, then releasing activity head 5C,
Pressing push button 64C is kept simultaneously.At this point, movable head 5C revolution resets, rotation path 541C relatively rotates cambered surface 632C and occurs to turn
It is dynamic, blade 63C is snapped on the outer end face of movable head 5C, as shown in figure 14.At this point, user unclamps push button 64C, due to blade
63C is led by card, and entire knife bar 6C can not bounce back, and blade 63C is locked on extended position.It in this way can the company of being user-friendly for
Continuous cutting operation or other desired occasion.
In this embodiment, movable head 5C can be using the spring structure in embodiment 1, can also be using in embodiment 3
Wind spring structure or other resetting structures.
As can be seen that either stretching out blade, or blade is locked, be required in both direction while cooperated, pacified
Good perfection is suitble to daily wearing.
In addition, blade is separably connected with spring card pole, convenient for users to more allowing blade replacement.
Not limited to this, any change or replacement expected without creative work should all be covered in guarantor of the invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (2)
1. a kind of safety package tears knife open, include:
The knife pipe (2) of one tubulose, the side wall of the knife pipe (2) are equipped with the perforative movable notch (21) of a strip；
One tail-hood (3), the tail-hood (3) are removably disposed in the tail portion of the knife pipe (2), on the tail-hood (3)
Equipped with a hanging hole (31)；
One fixing head (4A), the fixing head (4A) are removably disposed in the head of the knife pipe (2), the fixation
Head (4A) includes the fixed screw (41) of a tubulose and the fixing clasp (42) of an annular, and the center of the fixing head (4A) is set
Have a perforative rotation cavity (43), be evenly provided in the circumferential direction of the end face of the fixing clasp (42) one by arc limit
The limit arc slot array that position arc slot (44A) forms, the limit arc slot (44A) is interior to be respectively equipped with a limit spring (45A)；
One movable head (5A), the movable head (5A) are rotatably arranged in the rotation cavity (43), the work
Dynamic head (5A) includes a columned movable cylinder (51), and the head of the movable cylinder (51) is equipped with a discoid preceding limit
The tail portion of position coiled hair (52), the movable cylinder (51) is equipped with a discoid rear limit coiled hair (53), the movable head
The center of (5A) is equipped with the blade channels (54) of a perforative rectangle, and the inner wall of the front limit coiled hair (52) is circumferentially upper uniform
Ground is equipped with one by the columned limited post head array that form of limit column cap (55A), the limit column cap (55A) with it is described
Limit spring (45A) matches, and the outer diameter of the movable cylinder (51) is equal with the internal diameter of rotation cavity (43), institute
The center for the blade channels (54) stated is equipped with a rotation path (541C)；
One knife bar (6C), the knife bar (6C) are movably disposed in the knife pipe (2), and the knife bar (6C) includes
One it is columned push away column (61C) and a columned spring card pole (62C), the head of the spring card pole (62C) is equipped with one
Blade (63C), the side wall for pushing away column (61C) are equipped with a push button (64C), the prominent work of the push button (64C)
Dynamic notch (21), the tail portion of the blade (63C) are equipped with a locking horizontal stripe (631C), and the two of the locking horizontal stripe (631C)
Side is respectively equipped with the rotation cambered surface (632C) of an arc, the rotation cambered surface (632C) and described rotation path (541C) phase
Cooperation；
One safety spring (7), the safety spring (7) are socketed on the spring card pole (62C)；
The movable head (5A) is between the first operating position and the second operating position, when the movable head (5A) is in
When the first operating position, the blade channels (54) and the blade (63C) form a preset blocking angle (K), when
When the movable head (5A) is in the second operating position, the blade channels (54) and the blade (63C) are mutually flat
Row, the blade (63C) stretch out the blade channels (54).
2. it is according to claim 1 safety package tear knife open, which is characterized in that the blade (63C) separably with institute
The spring card pole (62C) stated is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820279.1A CN107379024B (en) | 2016-08-02 | 2016-08-02 | Safety package tears knife open |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820279.1A CN107379024B (en) | 2016-08-02 | 2016-08-02 | Safety package tears knife open |
| CN201610627992.XA CN106272567B (en) | 2016-08-02 | 2016-08-02 | Portable parcel tears knife open |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610627992.XA Division CN106272567B (en) | 2016-08-02 | 2016-08-02 | Portable parcel tears knife open |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107379024A CN107379024A (en) | 2017-11-24 |
| CN107379024B true CN107379024B (en) | 2019-04-23 |
Family
ID=57664384
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710820286.1A Withdrawn CN107598979A (en) | 2016-08-02 | 2016-08-02 | Multi-functional parcel tears knife open |
| CN201710828063.XA Active CN107379025B (en) | 2016-08-02 | 2016-08-02 | Portable cutter |
| CN201710820279.1A Active CN107379024B (en) | 2016-08-02 | 2016-08-02 | Safety package tears knife open |
| CN201710820269.8A Active CN107471260B (en) | 2016-08-02 | 2016-08-02 | Package tears knife open |
| CN201610627992.XA Expired - Fee Related CN106272567B (en) | 2016-08-02 | 2016-08-02 | Portable parcel tears knife open |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710820286.1A Withdrawn CN107598979A (en) | 2016-08-02 | 2016-08-02 | Multi-functional parcel tears knife open |
| CN201710828063.XA Active CN107379025B (en) | 2016-08-02 | 2016-08-02 | Portable cutter |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710820269.8A Active CN107471260B (en) | 2016-08-02 | 2016-08-02 | Package tears knife open |
| CN201610627992.XA Expired - Fee Related CN106272567B (en) | 2016-08-02 | 2016-08-02 | Portable parcel tears knife open |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN107598979A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598979A (en) * | 2016-08-02 | 2018-01-19 | 叶雨玲 | Multi-functional parcel tears knife open |
| US20220274270A1 (en) * | 2020-01-08 | 2022-09-01 | Michael Leland MacPherson | Box Corner Cutting Device |
| CN111959431A (en) * | 2020-08-08 | 2020-11-20 | 电子科技大学中山学院 | Safety belt emergency chopper |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100145A (en) * | 1986-01-04 | 1987-07-15 | 江苏省食品公司靖江食品厂 | Meat slicer |
| CN106272567B (en) * | 2016-08-02 | 2017-10-31 | 叶雨玲 | Portable parcel tears knife open |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3807379A (en) * | 1972-04-07 | 1974-04-30 | H Vodinh | Spring type ball projecting device with programming control means |
| CN2102205U (en) * | 1991-04-24 | 1992-04-22 | 赵映海 | Safety pencil sharpener |
| FR2887325B1 (en) * | 2005-06-21 | 2010-11-19 | Regis Lupin | FIREARM WITH CONTROL OF THE CYLINDER MOVEMENT BY ALTERNATIVE PARTIAL ROTATION OF THE FIRE HANDLE |
| US20070137047A1 (en) * | 2005-12-15 | 2007-06-21 | Surefire, Llc, A California Limited Liability Company | Folding knife |
| CN101386157A (en) * | 2007-09-15 | 2009-03-18 | 王建鹏 | Fast clamping adjustable wrench |
| US20120011977A1 (en) * | 2010-01-11 | 2012-01-19 | Elmer's Products, Inc. | Paper trimmer with pivoting cutting device |
| GB2481070B (en) * | 2010-06-11 | 2012-05-16 | Hsiu-Man Yu Chen | Tape cutting knife for right-and-left hand operation |
| CN201769862U (en) * | 2010-07-17 | 2011-03-23 | 好孩子儿童用品有限公司 | Stroller |
| CN202685737U (en) * | 2012-05-17 | 2013-01-23 | 上海昆杰五金工具有限公司 | Carving knife capable of automatically retracting knife blade |
| CN203460195U (en) * | 2013-09-11 | 2014-03-05 | 王爱国 | Art knife |
| CN203766369U (en) * | 2014-04-02 | 2014-08-13 | 江苏舜天国际集团苏迈克斯工具有限公司 | Extensible carving knife |
-
2016
- 2016-08-02 CN CN201710820286.1A patent/CN107598979A/en not_active Withdrawn
- 2016-08-02 CN CN201710828063.XA patent/CN107379025B/en active Active
- 2016-08-02 CN CN201710820279.1A patent/CN107379024B/en active Active
- 2016-08-02 CN CN201710820269.8A patent/CN107471260B/en active Active
- 2016-08-02 CN CN201610627992.XA patent/CN106272567B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100145A (en) * | 1986-01-04 | 1987-07-15 | 江苏省食品公司靖江食品厂 | Meat slicer |
| CN106272567B (en) * | 2016-08-02 | 2017-10-31 | 叶雨玲 | Portable parcel tears knife open |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107471260B (en) | 2019-08-13 |
| CN107598979A (en) | 2018-01-19 |
| CN107379024A (en) | 2017-11-24 |
| CN106272567B (en) | 2017-10-31 |
| CN107471260A (en) | 2017-12-15 |
| CN106272567A (en) | 2017-01-04 |
| CN107379025B (en) | 2019-04-16 |
| CN107379025A (en) | 2017-11-24 |
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