CN111438711A - Deformable crank diagonal pliers - Google Patents
Deformable crank diagonal pliers Download PDFInfo
- Publication number
- CN111438711A CN111438711A CN202010398209.3A CN202010398209A CN111438711A CN 111438711 A CN111438711 A CN 111438711A CN 202010398209 A CN202010398209 A CN 202010398209A CN 111438711 A CN111438711 A CN 111438711A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- handle
- jaw
- variable
- cylindrical pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims 5
- 230000003014 reinforcing effect Effects 0.000 claims 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 3
- 230000001681 protective effect Effects 0.000 claims 3
- 239000000741 silica gel Substances 0.000 claims 3
- 229910002027 silica gel Inorganic materials 0.000 claims 3
- 238000003466 welding Methods 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000011241 protective layer Substances 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B17/00—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact
- B26B17/02—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact with jaws operated indirectly by the handles, e.g. through cams or toggle levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/01—Shock-absorbing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/06—Handle constructions reversible or adjustable for position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
- B25G1/102—Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses deformable crank diagonal pliers which comprise a main body, a variable connecting rod handle, a fixed rod shear body and a first jaw, wherein the fixed rod shear body is installed at one end of the main body, the variable connecting rod handle is hinged to the fixed rod shear body, a fixed cylindrical pin is arranged between the fixed rod shear body and the variable connecting rod handle, a variable adjusting cylindrical pin is arranged on the main body below the fixed cylindrical pin, an adjusting slide rail groove is arranged on one side of the variable connecting rod handle below the variable adjusting cylindrical pin, and a crank connecting cylindrical pin is arranged inside the adjusting slide rail groove. According to the invention, the main body, the variable connecting rod handle, the crank connecting cylindrical pin and the adjusting slide rail groove are arranged, so that a user can rotate the variable connecting rod handle to realize a crank opening mode, the mode is more labor-saving in operation, an included angle is formed between a stress direction and a hand-holding force application direction by the crank, more labor-saving in shearing is realized, materials which are more difficult to shear can be sheared, and the functionality of the device is enhanced.
Description
Technical Field
The invention relates to the technical field of diagonal pliers, in particular to deformable crank diagonal pliers.
Background
In daily life, people need often use the diagonal pliers when shearing the unnecessary lead wire of wire, components and parts or shearing operations such as insulating sleeve, nylon bundle ply-yarn drill, and the type of diagonal pliers is various, and this is the most common with crank diagonal pliers again, but current crank diagonal pliers still has following several problems when in-service use:
1. the common crank diagonal pliers are often single in use mode and cannot be deformed, so that the use effect of the device is poor;
2. the existing crank diagonal pliers on the market also have the problems of poor wear resistance and low jaw strength, which leads to low practicability of the device;
3. the existing crank diagonal pliers also generally have the problems of difficulty in buffering and poor comfort level during holding, and the problem is not favorable for long-term popularization of the device.
Disclosure of Invention
The invention aims to provide deformable crank diagonal pliers, which solve the problems of single use mode, incapability of deforming, poor wear resistance, low jaw strength, difficulty in buffering and poor comfort during holding in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a deformable crank diagonal pliers, includes main part, variable connecting rod handle, the dead lever is cut the body and is kept silent first, the dead lever is cut the body to the one end of main part is installed, and articulated on the dead lever is cut the body have variable connecting rod handle, and is provided with fixed cylindric lock between the dead lever is cut the body and the variable connecting rod handle, be provided with variable regulation cylindric lock in the main part of fixed cylindric lock below, one side of variable connecting rod handle is provided with the regulation slide rail groove below the variable regulation cylindric lock, and the inside of adjusting the slide rail groove is provided with the crank and connects the cylindric lock, the top of variable connecting rod handle is provided with the second and keeps silent, and the top of the dead lever.
Preferably, the main body is made of stainless steel, and a galvanized protective layer is arranged on the outer side wall of the main body, so that the device achieves good corrosion-resistant and oxidation-resistant effects.
Preferably, the outer side wall of the variable connecting rod handle and the fixed rod shear body is sleeved with a silica gel protective outer sleeve, and the silica gel protective outer sleeve is connected with the main body in a hot melting mode, so that the device achieves a good anti-skidding effect and is convenient to grip.
Preferably, a first handle is welded at the bottom end of the variable connecting rod handle, a second handle is welded at the bottom end of the fixed rod shear body, and the first handle and the second handle are symmetrically distributed relative to the vertical center line of the fixed cylindrical pin, so that the firmness of the whole structure of the device is enhanced.
Preferably, the variable connecting rod handle and the fixed rod shear body are internally provided with reinforcing layers, and the reinforcing layers are uniformly provided with X-shaped reinforcing ribs, so that the service life of the device can be prolonged.
Preferably, an integrated welding structure is formed between the first jaw and the fixed rod scissor body, and an integrated welding structure is formed between the second jaw and the variable connecting rod handle, so that the overall strength of the device is enhanced through welding.
Preferably, the first jaw and the second jaw are provided with a silicon carbide wear-resistant layer at one end close to the fixed cylindrical pin, so that the wear-resistant performance of the part which is in contact with an object to realize pressing is enhanced when the pliers are used, and the strength is improved.
Preferably, the reinforcing bolts are uniformly arranged inside the first jaw and the second jaw, so that the device is ensured not to deform or break when the force is applied to an article, and the practicability of the device is enhanced.
Preferably, all be provided with the buffer layer on the inboard variable connecting rod handle of silica gel protective sheath and the dead lever cut the body, and the inside of buffer layer evenly is provided with the arc snubber block to the material of arc snubber block is rubber, makes the device realize better shock attenuation buffering effect, has promoted the comfort level when operating.
Compared with the prior art, the invention has the beneficial effects that:
(1) the deformable crank diagonal pliers are provided with the variable connecting rod handle, the fixed rod shearing body, the crank connecting cylindrical pin, the adjusting slide rail groove and the main body, so that the device optimizes the structure of the device, a user selectively deforms the pliers according to the requirement of the user to realize different using structures, specifically, on one hand, the user can directly press the first handle and the second handle at the bottom ends of the variable connecting rod handle and the fixed rod shearing body to press the first handle and the second handle to realize common opening and operating modes, but the common opening mode and the common diagonal pliers are not different and are suitable for conventional operation, on the other hand, the user can realize the crank opening mode by rotating the variable connecting rod handle, the mode is more labor-saving in operation, the crank enables the force application direction and the hand holding force application direction to form an included angle, the shearing is more labor-saving, and can shear some materials which are more difficult to shear, meanwhile, when the variable connecting rod handle is screwed out, the crank connecting cylindrical pin on the variable connecting rod handle can slide in the adjusting slide rail groove, and the first jaw and the second jaw are opened through the sliding limiting structure formed by the variable connecting rod handle and the adjusting slide rail groove, and the opening between the first handle and the second handle is not enlarged due to the change of the opening mode of the crank, so that the operation is convenient, the practicability of the device is enhanced, and different use requirements are met;
(2) the deformable crank diagonal pliers are provided with the first jaw, the second jaw, the fixed cylindrical pin, the reinforcing layer and the X-shaped reinforcing rib, so that when the device is used specifically, on one hand, the silicon carbide wear-resistant layers are arranged at the ends, close to the fixed cylindrical pin, of the first jaw and the second jaw, the wear-resistant performance of a part, which is in contact with an object to realize pressing, of the pliers is enhanced when the pliers are used, on the other hand, the strength of the first jaw and the second jaw is improved through the arrangement of the reinforcing bolts, the first jaw and the second jaw are ensured not to be deformed and broken when the pliers apply force to the object, meanwhile, the reinforcing layer and the X-shaped reinforcing rib are arranged on the device, the structural strength of the device is enhanced, the device is ensured not;
(3) this deformable crank diagonal cutting pliers is through installing variable connecting rod handle, the body is cut to the dead lever, silica gel protective coat, buffer layer and arc snubber block, when making the device use, both all overlap and be equipped with silica gel protective coat through the lateral wall of cutting the body at variable connecting rod handle and dead lever, make the device realize better anti-skidding effect, be convenient for grip the operation, again through holding department of cutting the body at variable connecting rod handle and dead lever and being provided with buffer layer and arc snubber block, utilize the elasticity performance of rubber, make the device realize better shock attenuation buffering effect, comfort level when having promoted the operation.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view of the variable link handle according to the present invention;
FIG. 3 is a front sectional view of a second jaw of the present invention;
FIG. 4 is a schematic view of a general opening mode of the main body of the present invention;
FIG. 5 is a schematic view of the structure of the main body of the present invention in the manner of opening the crank;
FIG. 6 is a structural view illustrating a deformed state of the variable link lever according to the present invention;
FIG. 7 is a schematic cross-sectional view of the side wall of the variable link handle according to the present invention.
In the figure: 1. a main body; 2. a variable link handle; 3. fixing the rod shear body; 4. a variable adjustment cylindrical pin; 5. fixing the cylindrical pin; 6. a first jaw; 7. a second jaw; 8. adjusting a slide rail groove; 9. a silicon carbide wear layer; 10. the crank is connected with the cylindrical pin; 11. reinforcing the bolt; 12. a reinforcing layer; 13. an X-shaped reinforcing rib; 14. a buffer layer; 15. an arc-shaped shock absorption block; 16. silica gel protective coat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention is shown: a deformable crank diagonal pliers comprises a main body 1, a variable connecting rod handle 2, a fixed rod shear body 3 and a first jaw 6, wherein the fixed rod shear body 3 is installed at one end of the main body 1, the variable connecting rod handle 2 is hinged to the fixed rod shear body 3, a fixed cylindrical pin 5 is arranged between the fixed rod shear body 3 and the variable connecting rod handle 2, a variable adjusting cylindrical pin 4 is arranged on the main body 1 below the fixed cylindrical pin 5, an adjusting slide rail groove 8 is arranged on one side of the variable connecting rod handle 2 below the variable adjusting cylindrical pin 4, a crank connecting cylindrical pin 10 is arranged inside the adjusting slide rail groove 8, a second jaw 7 is arranged at the top end of the variable connecting rod handle 2, the first jaw 6 is arranged at the top end of the fixed rod shear body 3, the main body 1 is made of stainless steel, and a zinc-plated protective layer is arranged on the outer side wall of the;
when in use, the outer side wall of the main body 1 is provided with the galvanized protective layer, so that the device realizes better corrosion resistance and oxidation resistance;
the outer side walls of the variable connecting rod handle 2 and the fixed rod scissor body 3 are both sleeved with a silica gel protective outer sleeve 16, and the silica gel protective outer sleeve 16 and the main body 1 are in hot-melt connection;
when the device is used, the outer side walls of the variable connecting rod handle 2 and the fixed rod scissor body 3 are both sleeved with the silica gel protective outer sleeve 16, so that the device achieves a good anti-skidding effect and is convenient to hold and operate;
the bottom end of the variable connecting rod handle 2 is welded with a first handle, the bottom end of the fixed rod shear body 3 is welded with a second handle, and the first handle and the second handle are symmetrically distributed around the vertical center line of the fixed cylindrical pin 5;
the structure of the device is optimized, and the firmness of the whole structure of the device is enhanced;
reinforcing layers 12 are arranged inside the variable connecting rod handle 2 and the fixed rod scissor body 3, and X-shaped reinforcing ribs 13 are uniformly arranged inside the reinforcing layers 12;
when in use, the reinforcing layer 12 and the X-shaped reinforcing ribs 13 are arranged on the device, so that the structural strength of the device is enhanced, the device is ensured not to be easily deformed when stressed, and the service life of the device is prolonged;
an integrated welding structure is formed between the first jaw 6 and the fixed rod shear body 3, and an integrated welding structure is formed between the second jaw 7 and the variable connecting rod handle 2;
the strength of the whole device is enhanced by welding;
one ends of the first jaw 6 and the second jaw 7 close to the fixed cylindrical pin 5 are both provided with a silicon carbide wear-resistant layer 9;
when the pliers are used, a user is provided with the silicon carbide wear-resistant layers 9 at the ends, close to the fixed cylindrical pin 5, of the first jaw 6 and the second jaw 7, so that the wear resistance of the parts, which are contacted with an object to realize pressing, of the pliers is enhanced;
reinforcing bolts 11 are uniformly arranged inside the first jaw 6 and the second jaw 7;
the reinforcing bolt 11 is arranged, so that the strength of the first jaw 6 and the second jaw 7 is improved, the clamping device is not easy to deform and break when force is applied to an article, and the practicability of the device is enhanced;
the variable connecting rod handle 2 and the fixed rod shear body 3 on the inner side of the silica gel protective outer sleeve 16 are both provided with a buffer layer 14, arc-shaped shock absorption blocks 15 are uniformly arranged inside the buffer layer 14, and the arc-shaped shock absorption blocks 15 are made of rubber;
during the use, through be provided with buffer layer 14 and arc snubber block 15 in variable connecting rod handle 2 and dead lever cut body 3's handheld department, utilize the elasticity performance of rubber for the device has realized better shock attenuation buffering effect, has promoted the comfort level when operating.
The working principle is as follows: when the adjustable inclined jaw pliers are used, a user selectively deforms the pliers according to the requirements of the user to realize different using structures, specifically, on one hand, the user can directly press the first handle and the second handle at the bottom ends of the variable connecting rod handle 2 and the fixed rod shearing body 3 to press the first handle and the second handle to realize a common opening and operating mode, the common opening mode and the common inclined jaw pliers are not different and are suitable for conventional operation, on the other hand, the user can rotate the variable connecting rod handle 2 to realize a crank opening mode which saves more labor during operation, the crank enables a stress direction and a hand-holding force application direction to form an included angle, the shearing is more labor-saving, and materials which are more difficult to shear can be sheared, meanwhile, when the variable connecting rod handle 2 is screwed out, the crank connecting cylindrical pin 10 on the variable connecting rod handle can slide in the adjusting slide rail groove 8, and through a sliding limit structure formed, when the first jaw 6 and the second jaw 7 are opened, the opening between the first handle and the second handle is not enlarged due to the change of the opening mode of the crank, the structure of the device is optimized, the operation is convenient, when the device is used, on one hand, the wear-resisting property of the part which is contacted with an article to realize pressing is enhanced by arranging the silicon carbide wear-resisting layer 9 at one end of the first jaw 6 and one end of the second jaw 7 which are close to the fixed cylindrical pin 5 when the pliers are used, on the other hand, the strength of the first jaw 6 and the second jaw 7 is improved by arranging the reinforcing bolt 11, the device is ensured not to be deformed and broken when the force is applied to the article, the practicability of the device is enhanced, and in addition, the outer side walls of the variable connecting rod handle 2 and the fixed rod shear body 3 are both sleeved with the silica gel protective outer sleeves 16, the device realizes better anti-skid effect and is convenient for holding operation, and the buffer layer 14 and the arc-shaped damping block 15 are arranged at the holding positions of the variable connecting rod handle 2 and the fixed rod shear body 3, so that the device achieves a good damping and buffering effect by using the elastic property of rubber, and the comfort level during operation is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a deformable crank diagonal cutting pliers, includes main part (1), variable connecting rod handle (2), dead lever scissors body (3) and first keeping in touch with (6), its characterized in that: the adjustable connecting rod shear is characterized in that a fixed rod shear body (3) is installed at one end of the main body (1), a variable connecting rod handle (2) is hinged to the fixed rod shear body (3), a fixed cylindrical pin (5) is arranged between the fixed rod shear body (3) and the variable connecting rod handle (2), a variable adjusting cylindrical pin (4) is arranged on the main body (1) below the fixed cylindrical pin (5), an adjusting slide rail groove (8) is arranged on one side of the variable connecting rod handle (2) below the variable adjusting cylindrical pin (4), a crank connecting cylindrical pin (10) is arranged inside the adjusting slide rail groove (8), a second jaw (7) is arranged at the top end of the variable connecting rod handle (2), and a first jaw (6) is arranged at the top end of the fixed rod shear body (3).
2. A deformable cranked diagonal pliers as claimed in claim 1, wherein: the main body (1) is made of stainless steel, and a galvanized protective layer is arranged on the outer side wall of the main body (1).
3. A deformable cranked diagonal pliers as claimed in claim 1, wherein: the outer side walls of the variable connecting rod handle (2) and the fixed rod shear body (3) are all sleeved with a silica gel protective outer sleeve (16), and the silica gel protective outer sleeve (16) is connected with the main body (1) in a hot melting mode.
4. A deformable cranked diagonal pliers as claimed in claim 1, wherein: the bottom end of the variable connecting rod handle (2) is welded with a first handle, the bottom end of the fixed rod shear body (3) is welded with a second handle, and the first handle and the second handle are symmetrically distributed relative to the vertical center line of the fixed cylindrical pin (5).
5. A deformable cranked diagonal pliers as claimed in claim 1, wherein: the variable connecting rod handle (2) and the fixed rod shear body (3) are internally provided with reinforcing layers (12), and X-shaped reinforcing ribs (13) are uniformly arranged in the reinforcing layers (12).
6. A deformable cranked diagonal pliers as claimed in claim 1, wherein: an integrated welding structure is formed between the first jaw (6) and the fixed rod shear body (3), and an integrated welding structure is formed between the second jaw (7) and the variable connecting rod handle (2).
7. A deformable cranked diagonal pliers as claimed in claim 1, wherein: and silicon carbide wear-resistant layers (9) are arranged at one ends of the first jaw (6) and the second jaw (7) close to the fixed cylindrical pin (5).
8. A deformable cranked diagonal pliers as claimed in claim 1, wherein: reinforcing bolts (11) are uniformly arranged inside the first jaw (6) and the second jaw (7).
9. A deformable cranked diagonal pliers as claimed in claim 3, wherein: all be provided with buffer layer (14) on the body (3) is cut to inboard variable connecting rod handle (2) of silica gel protective sheath (16) and dead lever, and the inside of buffer layer (14) evenly is provided with arc snubber block (15) to the material of arc snubber block (15) is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398209.3A CN111438711A (en) | 2020-05-12 | 2020-05-12 | Deformable crank diagonal pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398209.3A CN111438711A (en) | 2020-05-12 | 2020-05-12 | Deformable crank diagonal pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111438711A true CN111438711A (en) | 2020-07-24 |
Family
ID=71656785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010398209.3A Pending CN111438711A (en) | 2020-05-12 | 2020-05-12 | Deformable crank diagonal pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438711A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5435214A (en) * | 1993-11-02 | 1995-07-25 | Sisson; Clarence E. | Adjustable locking plier |
| CN2743084Y (en) * | 2004-03-29 | 2005-11-30 | 江苏宏宝五金股份有限公司 | Tongs |
| CN101428406A (en) * | 2008-12-09 | 2009-05-13 | 江苏金鹿集团有限公司 | Labor saving pliers |
| US20120144963A1 (en) * | 2010-12-13 | 2012-06-14 | He Chia-Sung | Laborsaving pliers |
| CN103492127A (en) * | 2010-10-26 | 2014-01-01 | 罗伯特·N·普尔 | Hand tools with compound lever mechanism |
| CN212399682U (en) * | 2020-05-12 | 2021-01-26 | 张家港威尔斯五金科技有限公司 | Deformable crank diagonal pliers |
-
2020
- 2020-05-12 CN CN202010398209.3A patent/CN111438711A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5435214A (en) * | 1993-11-02 | 1995-07-25 | Sisson; Clarence E. | Adjustable locking plier |
| CN2743084Y (en) * | 2004-03-29 | 2005-11-30 | 江苏宏宝五金股份有限公司 | Tongs |
| CN101428406A (en) * | 2008-12-09 | 2009-05-13 | 江苏金鹿集团有限公司 | Labor saving pliers |
| CN103492127A (en) * | 2010-10-26 | 2014-01-01 | 罗伯特·N·普尔 | Hand tools with compound lever mechanism |
| US20120144963A1 (en) * | 2010-12-13 | 2012-06-14 | He Chia-Sung | Laborsaving pliers |
| CN212399682U (en) * | 2020-05-12 | 2021-01-26 | 张家港威尔斯五金科技有限公司 | Deformable crank diagonal pliers |
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