CN114012619A - Method for quickly adjusting opening amount of locking pliers - Google Patents
Method for quickly adjusting opening amount of locking pliers Download PDFInfo
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- CN114012619A CN114012619A CN202111508121.3A CN202111508121A CN114012619A CN 114012619 A CN114012619 A CN 114012619A CN 202111508121 A CN202111508121 A CN 202111508121A CN 114012619 A CN114012619 A CN 114012619A
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- adjusting
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- opening amount
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010586 diagram Methods 0.000 description 5
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/02—Jaws
- B25B7/04—Jaws adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/14—Locking means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to the technical field of manual hardware tools, in particular to a method for quickly adjusting the opening amount of locking pliers. The adjustable clamp comprises a fixed jaw, a movable jaw, a fixed handle, a movable handle and a tension spring, wherein a support plate is arranged between the fixed handle and the movable handle, an adjusting bolt matched with the support plate is arranged at the tail end of the fixed handle, a quick adjusting mechanism is arranged on the fixed handle and matched with the adjusting bolt, so that the adjusting bolt can move quickly or be in threaded movement in the fixed handle, and when the adjusting bolt moves quickly, the support plate is pushed to move quickly in the fixed handle, and the opening between the fixed jaw and the movable jaw is adjusted quickly; when the adjusting bolt moves in a threaded manner, the supporting plate is pushed to move slowly in the fixed handle, so that the fine adjustment of the opening amount between the fixed jaw and the movable jaw is realized. The opening amount of the locking pliers can be quickly adjusted, fine adjustment can be performed on the opening amount of the locking pliers, and the clamping degree of a workpiece can be guaranteed on the basis of improving the efficiency.
Description
The technical field is as follows:
the invention relates to the technical field of manual hardware tools, in particular to a method for quickly adjusting the opening amount of locking pliers.
Background art:
the large pliers are used as a common hand tool, are widely applied to the fields of metalworking and woodworking, are mainly used for riveting, welding, grinding and the like of clamping parts, and are characterized in that the jaws can be locked and generate a large clamping force, so that the clamped parts cannot be loosened, and the jaws have a plurality of gear adjusting positions for clamping parts with different thicknesses and can also be used as a wrench. The traditional locking pliers adjust the opening amount by rotating the adjusting bolt at the tail, the adjusting speed is low, and when workpieces with different diameters are clamped, the adjusting bolt needs to be turned continuously, so that the locking pliers are inconvenient to use.
The utility model discloses a chinese utility model patent application for a slip joint formula locking pliers, its structure mainly includes pincers body, fixed binding clip, activity binding clip, pincers handle, opens handle, branch, extension spring, adjusting screw and rivet etc. for the publication No. CN201267965Y, name. Wherein, the front end of the clamp body is riveted or welded with a fixed clamp head, and the rear end is provided with a screw hole screwed with an adjusting screw; the front end of the movable tong head is sleeved on the tong body and can slide from one hole site to another hole site in a chute of the tong body, and the rear end of the movable tong head is hinged on the tong handle; one end of the supporting rod is hinged on the forceps handle, and the other end of the supporting rod can move along with the screwing-in and screwing-out of the head of the adjusting screw in the forceps body; the opening handle is hinged in the clamp handle; one end of the tension spring is fixed in the plier body, and the other end is connected with the movable plier head. When adjusting the opening amount, through rotatory adjusting screw, adjusting screw and branch cooperation are in order to realize the regulation to the opening amount, and speed is slow, and is efficient.
For example, the Chinese patent application with publication number CN112873078A entitled multipurpose locking pliers has a structure mainly comprising movable pliers, a fixed pliers handle, a release handle, a support stop, an adjusting screw, a first pliers arm, a second pliers arm and other parts, wherein when the opening amount is adjusted, the adjusting screw is rotated, and the adjusting screw is matched with the support stop to adjust the opening amount, so that the speed is low and the efficiency is low.
In conclusion, how to realize the rapid adjustment of the opening amount of the locking pliers becomes a technical problem to be solved urgently in the industry.
The invention content is as follows:
in order to make up for the defects of the prior art, the invention provides a quick adjusting method for the opening amount of the locking pliers, solves the problems of low adjusting speed and low efficiency of the opening amount of the conventional locking pliers, saves time and improves working efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for quickly adjusting the opening amount of locking pliers comprises a fixed jaw, a movable jaw, a fixed handle, a movable handle and a tension spring, wherein a support plate is arranged between the fixed handle and the movable handle, an adjusting bolt matched with the support plate is arranged at the tail end of the fixed handle, a quick adjusting mechanism is arranged on the fixed handle and matched with the adjusting bolt, so that the adjusting bolt can quickly move or move in a thread manner in the fixed handle, and when the adjusting bolt quickly moves, the support plate is pushed to quickly move in the fixed handle, so that the quick adjustment of the opening amount between the fixed jaw and the movable jaw is realized; when the adjusting bolt moves in a threaded manner, the supporting plate is pushed to move slowly in the fixed handle, so that the fine adjustment of the opening amount between the fixed jaw and the movable jaw is realized.
The quick adjustment mechanism includes:
the nut frame is provided with an axial center hole in the center, the inner diameter of the center hole is larger than the outer diameter of an adjusting bolt to be penetrated, and the nut frame is also provided with a transverse adjusting guide groove;
the nut body is transversely and slidably arranged in the adjusting guide groove, an axial channel is formed in the nut body, a semi-arc surface is formed on the inner wall of the axial channel, and internal threads are formed on the semi-arc surface and used for being meshed with the adjusting bolt;
the spring is arranged between the nut frame and the nut body;
the nut body is pushed, the spring is compressed, the internal thread of the semicircular surface of the nut body is separated from the external thread on the adjusting bolt, the adjusting bolt loses thread limitation, the adjusting bolt is pushed to rapidly move in the axial channel of the nut body, and the rapid adjustment of the opening amount between the fixed jaw and the movable jaw is realized; and loosening the nut body, enabling the internal thread of the nut body to be meshed with the external thread on the adjusting bolt by means of the elastic force of the spring for locking the adjusting bolt, and rotating the adjusting bolt to move slowly along the internal thread of the nut body to realize fine adjustment of the opening amount between the fixed jaw and the movable jaw.
The nut frame is welded at the tail end of the fixed handle.
The external threads of the adjusting bolt and the internal threads of the semi-arc surface are both trapezoidal threads.
The tail part of the fixed handle is narrowed and closed to prevent the support plate from falling off.
The nut body is provided with a groove matched with one end of the spring, the other end of the spring is fixed on the inner wall of the nut frame, and the spring is a conical spring.
The quick adjustment mechanism includes:
the gear holes are symmetrically arranged on two side walls of the fixed handle and comprise a through groove in the middle, and a plurality of grooves for adjusting gears are arranged on two sides of the through groove;
the adjusting block is arranged inside the fixed handle, the adjusting block is cylindrical, a threaded hole corresponding to the adjusting bolt is formed in the adjusting block, cylindrical protrusions are arranged on two sides of the adjusting block, and the cylindrical protrusions are slidably clamped in gear holes in the fixed handle;
the cylindrical protrusion of the adjusting block is rotated to be positioned in the through groove of the gear hole, the adjusting bolt and the adjusting block are pushed to rapidly move along the through groove in the fixed handle, and the opening amount between the fixed jaw and the movable jaw is rapidly adjusted; the cylindrical protrusion of the adjusting block is rotated to enable the cylindrical protrusion to be located in the groove of the gear hole, the adjusting block cannot move, the adjusting bolt is rotated to move at a low speed along the internal thread of the adjusting block, and fine adjustment of the opening amount between the fixed jaw and the movable jaw is achieved.
The adjusting block is in threaded connection with the adjusting bolt.
By adopting the scheme, the invention has the following beneficial effects:
through set up on fixed handle with adjusting bolt matched with fast adjusting mechanism, can realize adjusting bolt's quick travel in fixed handle to can change adjusting bolt position in fixed handle fast, adjusting bolt's the inner and extension board cooperation back, both can realize the opening volume of quick adjustment locking pliers, can finely tune the opening volume of locking pliers again, on the basis of raising the efficiency, still can guarantee the tight degree of clamp to the work piece.
Description of the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of the nut frame of the present invention.
Fig. 4 is a schematic structural view of the nut body of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 6 is an enlarged structural diagram of B-B in fig. 5.
Fig. 7 is a schematic structural view of the stationary handle of fig. 5.
Fig. 8 is a schematic structural diagram of the adjusting block in fig. 6.
In the figure, 1, a fixed jaw, 2, a movable jaw, 3, a fixed handle, 4, a movable handle, 5, a tension spring, 6, a support plate, 7, an adjusting bolt, 8, a nut frame, 9, a central hole, 10, an adjusting guide groove, 11, a nut body, 12, an axial channel, 13, a semicircular surface, 14, a spring, 15, a groove, 16, a gear hole, 17, a through groove, 18, a groove, 19, an adjusting block, 20 and a cylindrical protrusion.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-4, a method for rapidly adjusting the opening amount of locking pliers,
a method for quickly adjusting the opening amount of locking pliers comprises a fixed jaw 1, a movable jaw 2, a fixed handle 3, a movable handle 4 and a tension spring 5, wherein a support plate 6 is arranged between the fixed handle 3 and the movable handle 4, an adjusting bolt 7 matched with the support plate 6 is arranged at the tail end of the fixed handle 3, and a quick adjusting mechanism is arranged on the fixed handle 3 and matched with the adjusting bolt 7 to enable the adjusting bolt 7 to quickly move or move in a thread in the fixed handle 3; when the adjusting bolt 7 moves in a threaded manner, the supporting plate 6 is pushed to move slowly in the fixed handle 3, so that the fine adjustment of the opening amount between the fixed jaw 1 and the movable jaw 2 is realized.
The quick adjustment mechanism includes:
the adjusting bolt comprises a nut frame 8, wherein the center of the nut frame 8 is provided with an axial center hole 9, the inner diameter of the center hole 9 is larger than the outer diameter of an adjusting bolt 7 to be penetrated, and the nut frame 8 is also provided with a transverse adjusting guide groove 10; the left end of the adjusting guide groove 10 is a blind end, and the right end of the adjusting guide groove is a through end;
the nut body 11 is transversely and slidably arranged in the adjusting guide groove 10, an axial channel 12 is formed in the nut body 11, a semicircular arc surface 13 is formed on the inner wall of the axial channel 12, and internal threads are processed on the semicircular arc surface 13 and are used for being meshed with the adjusting bolt 7;
the spring 14 is arranged between the nut frame 8 and the nut body 11, the left end of the spring 14 is fixed on the inner wall of the blind end of the adjusting guide groove 10, and the right end of the spring 14 is propped against the outer wall of the left side of the nut body 11;
the nut body 11 is pushed, the spring 14 is compressed, the internal thread of the semi-arc-shaped surface 13 of the nut body 11 is separated from the external thread on the adjusting bolt 7, the adjusting bolt 7 loses thread limitation, the adjusting bolt 7 is pushed to rapidly move in the axial channel 12 of the nut body 11, and the rapid adjustment of the opening amount between the fixed jaw 1 and the movable jaw 2 is realized; the nut body 11 is loosened, the internal thread of the nut body 11 is meshed with the external thread on the adjusting bolt 7 by means of the elastic force of the spring 14, the adjusting bolt 7 is locked, and the adjusting bolt 7 is rotated to move slowly along the internal thread of the nut body 11, so that the fine adjustment of the opening amount between the fixed jaw 1 and the movable jaw 2 is realized.
The nut frame 8 is welded at the tail end of the fixed handle 3.
The external threads of the adjusting bolt 7 and the internal threads of the semi-circular arc-shaped surface 13 are both trapezoidal threads.
The tail part of the fixed handle 3 is narrowed and closed to prevent the support plate 6 from falling off.
The nut body 11 is provided with a groove 15 matched with one end of a spring 14 to prevent the spring 14 from slipping, the other end of the spring 14 is fixed on the inner wall of the nut frame 8, and the spring 14 is a conical spring.
The working principle is as follows:
when the adjustable nut is used, the nut body 11 is pushed, the nut body 11 moves in the nut frame 8 along the adjusting guide groove 10, the spring 14 is compressed, the internal thread of the semi-circular arc-shaped surface 13 of the nut body 11 is separated from the external thread on the adjusting bolt 7, at the moment, the adjusting bolt 7 loses thread limitation and can quickly slide in the axial channel 12 of the nut body 11, and the adjusting bolt 7 is matched with the support plate 6 to quickly reach the specified opening amount, so that the quick adjustment of the opening amount is realized; then the nut body 11 is loosened, the internal thread of the nut body 11 is meshed with the external thread on the adjusting bolt 7 by means of the elastic force of the spring 14, the adjusting bolt 7 is locked again, when the opening amount is slightly large or small, the adjusting bolt 7 is rotated at the moment, the adjusting bolt 7 can move back and forth along the internal thread of the nut body 11 at a low speed, and fine adjustment of the opening amount is achieved, so that the structure can quickly adjust the opening amount and can also finely adjust the opening amount.
Example 2:
as shown in fig. 5 to 8, the present embodiment is different from embodiment 1 in that:
the quick adjustment mechanism includes:
the gear holes 16 are symmetrically arranged on two side walls of the fixed handle 3, each gear hole 16 comprises a through groove 17 in the middle, and a plurality of grooves 18 for adjusting gears are arranged on two sides of each through groove 17; the grooves 18 are not limited to two groups, and can be three groups or four groups, and the grooves 18 can ensure that the adjusting blocks 19 are not separated during operation;
the adjusting block 19 is arranged inside the fixed handle 3, the adjusting block 19 is cylindrical, a threaded hole corresponding to the adjusting bolt 7 is formed in the adjusting block 19, cylindrical protrusions 20 are arranged on two sides of the adjusting block 19, and the cylindrical protrusions 20 are slidably clamped in gear holes 16 in the fixed handle 3;
the cylindrical protrusion 20 of the adjusting block 19 is rotated to enable the cylindrical protrusion 20 to be positioned in the through groove 17 of the gear hole 16, the adjusting bolt 7 and the adjusting block 19 are pushed to rapidly move along the through groove 17 in the fixed handle 3, and the rapid adjustment of the opening amount between the fixed jaw 1 and the movable jaw 2 is realized; the cylindrical protrusion 20 of the adjusting block 19 is rotated to enable the cylindrical protrusion 20 to be located in the groove 18 of the gear hole 16, the adjusting block 19 cannot move, the adjusting bolt 7 is rotated to move slowly along the internal thread of the adjusting block 19, and fine adjustment of the opening amount between the fixed jaw 1 and the movable jaw 2 is achieved.
The adjusting block 19 is in threaded connection with the adjusting bolt 7.
The working principle is as follows:
when the adjusting bolt is used, when the opening amount needs to be reduced, the cylindrical protrusion 20 of the adjusting block 19 is rotated to enable the cylindrical protrusion 20 to be located in the through groove 17 of the gear hole 16, the adjusting bolt 7 is pushed forwards at the moment to be pushed to the leftmost end of the through groove 17, and the cylindrical protrusion 20 is rotated to enable the cylindrical protrusion 20 to enter the groove 18 at the leftmost end. When the opening amount needs to be increased, the cylindrical protrusion 20 is rotated to enable the cylindrical protrusion 20 to be in the through groove 17, the adjusting bolt 7 is pushed backwards to the rightmost end of the through groove 17, and the cylindrical protrusion 20 is rotated to enable the cylindrical protrusion 20 to enter the groove 18 at the rightmost end.
Through the quick back-and-forth movement of adjusting bolt 7, come quick adjustment opening volume, when opening volume slightly bigger or little hour, cylindrical protrusion 20 was in the location department of slot 18 this moment, and rotatory adjusting bolt 7, adjusting bolt 7 can be along the screw thread back-and-forth movement of regulating block 19, realizes the fine setting of opening volume, so this structure can quick adjustment opening volume, also can finely tune opening volume. The common gear has no fine adjustment function, and the phenomenon of clamping tightness and clamping failure can occur in certain sizes when clamping workpieces.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (8)
1. The utility model provides a rapid adjustment method of opening volume of locking pliers, includes stationary jaw, movable jaw, fixed handle, movable handle, extension spring, is equipped with the extension board between fixed handle and movable handle, the tail end at fixed handle be equipped with extension board complex adjusting bolt, its characterized in that: the quick adjusting mechanism is arranged on the fixed handle and is matched with the adjusting bolt, so that the adjusting bolt can move quickly or in a threaded manner in the fixed handle, and when the adjusting bolt moves quickly, the supporting plate is pushed to move quickly in the fixed handle, so that the opening between the fixed jaw and the movable jaw can be adjusted quickly; when the adjusting bolt moves in a threaded manner, the supporting plate is pushed to move slowly in the fixed handle, so that the fine adjustment of the opening amount between the fixed jaw and the movable jaw is realized.
2. The method for rapidly adjusting the opening amount of locking pliers according to claim 1, wherein the method comprises the following steps: the quick adjustment mechanism includes:
the nut frame is provided with an axial center hole in the center, the inner diameter of the center hole is larger than the outer diameter of an adjusting bolt to be penetrated, and the nut frame is also provided with a transverse adjusting guide groove;
the nut body is transversely and slidably arranged in the adjusting guide groove, an axial channel is formed in the nut body, a semi-arc surface is formed on the inner wall of the axial channel, and internal threads are formed on the semi-arc surface and used for being meshed with the adjusting bolt;
the spring is arranged between the nut frame and the nut body;
the nut body is pushed, the spring is compressed, the internal thread of the semicircular surface of the nut body is separated from the external thread on the adjusting bolt, the adjusting bolt loses thread limitation, the adjusting bolt is pushed to rapidly move in the axial channel of the nut body, and the rapid adjustment of the opening amount between the fixed jaw and the movable jaw is realized; and loosening the nut body, enabling the internal thread of the nut body to be meshed with the external thread on the adjusting bolt by means of the elastic force of the spring for locking the adjusting bolt, and rotating the adjusting bolt to move slowly along the internal thread of the nut body to realize fine adjustment of the opening amount between the fixed jaw and the movable jaw.
3. The method for rapidly adjusting the opening amount of locking pliers according to claim 2, wherein the method comprises the following steps: the nut frame is welded at the tail end of the fixed handle.
4. The method for rapidly adjusting the opening amount of locking pliers according to claim 2, wherein the method comprises the following steps: the external threads of the adjusting bolt and the internal threads of the semi-arc surface are both trapezoidal threads.
5. The method for rapidly adjusting the opening amount of locking pliers according to claim 2, wherein the method comprises the following steps: the tail part of the fixed handle is narrowed and closed to prevent the support plate from falling off.
6. The method for rapidly adjusting the opening amount of locking pliers according to claim 2, wherein the method comprises the following steps: the nut body is provided with a groove matched with one end of the spring, the other end of the spring is fixed on the inner wall of the nut frame, and the spring is a conical spring.
7. The method for rapidly adjusting the opening amount of locking pliers according to claim 1, wherein the method comprises the following steps: the quick adjustment mechanism includes:
the gear holes are symmetrically arranged on two side walls of the fixed handle and comprise a through groove in the middle, and a plurality of grooves for adjusting gears are arranged on two sides of the through groove;
the adjusting block is arranged inside the fixed handle, the adjusting block is cylindrical, a threaded hole corresponding to the adjusting bolt is formed in the adjusting block, cylindrical protrusions are arranged on two sides of the adjusting block, and the cylindrical protrusions are slidably clamped in gear holes in the fixed handle;
the cylindrical protrusion of the adjusting block is rotated to be positioned in the through groove of the gear hole, the adjusting bolt and the adjusting block are pushed to rapidly move along the through groove in the fixed handle, and the opening amount between the fixed jaw and the movable jaw is rapidly adjusted; the cylindrical protrusion of the adjusting block is rotated to enable the cylindrical protrusion to be located in the groove of the gear hole, the adjusting block cannot move, the adjusting bolt is rotated to move at a low speed along the internal thread of the adjusting block, and fine adjustment of the opening amount between the fixed jaw and the movable jaw is achieved.
8. The method for rapidly adjusting the opening amount of locking pliers according to claim 7, wherein the method comprises the following steps: the adjusting block is in threaded connection with the adjusting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111508121.3A CN114012619A (en) | 2021-12-10 | 2021-12-10 | Method for quickly adjusting opening amount of locking pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111508121.3A CN114012619A (en) | 2021-12-10 | 2021-12-10 | Method for quickly adjusting opening amount of locking pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114012619A true CN114012619A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111508121.3A Pending CN114012619A (en) | 2021-12-10 | 2021-12-10 | Method for quickly adjusting opening amount of locking pliers |
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| Country | Link |
|---|---|
| CN (1) | CN114012619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813456A (en) * | 2022-12-09 | 2023-03-21 | 沈阳医学院附属第二医院 | Endocardium myocardial biopsy forceps and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US924122A (en) * | 1908-05-22 | 1909-06-08 | Alonzo W Williams | Quick return for screw-press mechanisms. |
| WO1987001643A1 (en) * | 1985-09-16 | 1987-03-26 | Miller Clamps Gesellschaft M.B.H. | Clamp |
| CN1188036A (en) * | 1997-01-14 | 1998-07-22 | 布莱克和戴克公司 | Clamp for power tool |
| US20020157507A1 (en) * | 2001-04-30 | 2002-10-31 | Chou Wayne W. | Automatic and variable grip locking pliers |
| US20120073409A1 (en) * | 2010-09-27 | 2012-03-29 | Kuei-Chueh Hsiao | Locking pliers having both fast and fine adjustment to jaw spacing |
| TWM616545U (en) * | 2021-05-24 | 2021-09-01 | 華星樂器製造股份有限公司 | Drum head string regulator with anti-loosening structure |
-
2021
- 2021-12-10 CN CN202111508121.3A patent/CN114012619A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US924122A (en) * | 1908-05-22 | 1909-06-08 | Alonzo W Williams | Quick return for screw-press mechanisms. |
| WO1987001643A1 (en) * | 1985-09-16 | 1987-03-26 | Miller Clamps Gesellschaft M.B.H. | Clamp |
| CN1188036A (en) * | 1997-01-14 | 1998-07-22 | 布莱克和戴克公司 | Clamp for power tool |
| US20020157507A1 (en) * | 2001-04-30 | 2002-10-31 | Chou Wayne W. | Automatic and variable grip locking pliers |
| US20120073409A1 (en) * | 2010-09-27 | 2012-03-29 | Kuei-Chueh Hsiao | Locking pliers having both fast and fine adjustment to jaw spacing |
| TWM616545U (en) * | 2021-05-24 | 2021-09-01 | 華星樂器製造股份有限公司 | Drum head string regulator with anti-loosening structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813456A (en) * | 2022-12-09 | 2023-03-21 | 沈阳医学院附属第二医院 | Endocardium myocardial biopsy forceps and use method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220208 |