CN104139347A - Grip pliers - Google Patents
Grip pliers Download PDFInfo
- Publication number
- CN104139347A CN104139347A CN201410133685.7A CN201410133685A CN104139347A CN 104139347 A CN104139347 A CN 104139347A CN 201410133685 A CN201410133685 A CN 201410133685A CN 104139347 A CN104139347 A CN 104139347A
- Authority
- CN
- China
- Prior art keywords
- jaw
- sawtooth profile
- tooth
- profile
- clamp
- 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.)
- Granted
Links
Classifications
-
- 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
- B25B7/06—Joints
- B25B7/10—Joints with adjustable fulcrum
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Surgical Instruments (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention relates to a gripping pliers with an adjustable hinge, which has plier arms coupled to each other via the adjustable hinge, each plier arm is divided into a handle section, a transition section and a head section with a gripping jaw, the transition section correspondingly adjacent to the second gripping jaw horizontally protrudes, the other transition section correspondingly adjacent to the first gripping jaw has an included angle between about 35 DEG to 55 DEG, S-shaped inner contours of the gripping jaws have tooth profiles with teeth when a parallelogram pliers jaw contacting with tips of the gripping jaws is formed, wherein the long inner contours of the pliers jaw are formed by the tooth profiles with the teeth having sides of different length in the longitudinal section, the short inner contours of the pliers jaw and the inner contours of the tips of the gripping jaws are formed by the tooth profiles with the teeth having sides of the same length in the longitudinal section, the long second tooth profile arranged in the second gripping jaw of the pliers jaw extends linearly, and the long first tooth profile in the first gripping jaw protrudingly extends towards the second tooth profile.
Description
Technical field
The present invention relates to a kind of according to the clamp with adjustable movable joint described in the feature in the preamble of Patent right requirement 1.
Background technology
Such clamp within the scope of EP0528252A1 is regarded as prior art.This clamp has two tong arms that are coupled to each other by a movable joint, and these tong arms are divided into respectively handle section, changeover portion and have the head sections that clamps jaw.The second changeover portion transverse projections ground that clamps the relative adjacency of jaw arranges and other first clamps changeover portion that jaw adjoins relatively with 45 ° of angle settings.The interior profile that clamps jaw is configured to S shape.Therefore in the situation that contacting with each other, the tip of clamping jaw clamps by these jaw that jaw forms a parallelogram.The interior profile of the length of jaw is configured with the sawtooth profile of tooth triangular in shape in longitudinal section.The profile that is arranged in jaw side that clamps jaw also has the sawtooth profile with the tooth triangular in shape in longitudinal section.
Summary of the invention
From prior art, the object of the invention is, further improve as follows known clamp, even if make in difficult assembling occasion and in the situation that abut in better the operation of obviously simplifying assembly crewman on object in the application of long period.
According to the present invention, the scheme achieving this end is the feature of Patent right requirement 1.
Patent right requirement 2 to 17 theme as favourable improvement project of the present invention.
According to the present invention, now the interior profile of the length of the jaw of parallelogram is by not waiting the sawtooth profile of the tooth of long side surface to form with having in longitudinal section, and the short interior profile of jaw and the most advanced and sophisticated interior profile that clamps jaw consist of the sawtooth profile of the tooth with long side surfaces such as having in longitudinal section.In addition importantly: the second sawtooth profile straight line that is arranged on length in the second clamping jaw of jaw extend and be arranged in the first clamping jaw length the first sawtooth profile towards the second sawtooth profile over there protruding extend.
Particularly at it, the application aspect as water pump pliers has advantage to the clamp of following structure,, tip that on the one hand can be by clamping jaw is the grip objects line operate of going forward side by side reliably, yet on the other hand the special construction of the jaw by parallelogram, in view of the special sawtooth profile arranging there, all use occasions can ideally clamp cross section for circular or polygonal, it is surperficial that may be made dirty by for example lubricant and have the object of only faint skid resistance and operate reliably.
In the tooth of the sawtooth profile of most advanced and sophisticated inner side shape in locking manner during (formschl ü ssig) engagement each other, the long side surface of the tooth of the sawtooth profile of the length in jaw almost in parallel with each other and the center vertical plane parallel crossing with respect to the tooth of the sawtooth profile with most advanced and sophisticated inner side arrange.
In addition in this respect, the first sawtooth profile of the length of jaw is preferably 4.5mm with respect to the average distance of the second long sawtooth profile.
The height of the tooth of the second sawtooth profile of the length in jaw is 0.52mm, and the height of the tooth of the first long sawtooth profile is 0.58mm.In other words, jaw protrusions the tooth of the sawtooth profile that extends construct higher than the tooth of linearly extended sawtooth profile.
By clamp, the clamping of object and its reliable operation after clamping are improved in the following way: the subtended angle between the short side of the tooth of the sawtooth profile of the length in jaw and the long side surface of the tooth of corresponding adjacency is 105 °.In addition, at the tooth of the sawtooth profile of described most advanced and sophisticated inner side when shape meshes in locking manner each other, the short side of the tooth of the sawtooth profile of the length in jaw and and the crossing vertical plane in center of the tooth of the sawtooth profile of described most advanced and sophisticated inner side between subtended angle be 70 °.
In addition, proved advantageously: the height of the tooth of the short serrate profile in jaw is 0.36mm.
At the tooth of the sawtooth profile at described tip when shape meshes in locking manner each other, the sawtooth profile of the length in the jaw center vertical plane crossing with respect to the tooth of the sawtooth profile with described most advanced and sophisticated inner side is preferably with 15 ° of angle settings.
The subtended angle being arranged between the sawtooth profile of the length in jaw and the short sawtooth profile of adjacency is 135 °.
Subtended angle between two teeth etc. with long side surface of the sawtooth profile in that side at described tip dorsad short sawtooth profile and jaw the sawtooth profile of most advanced and sophisticated inner side, in jaw is 90 °.
The length of jaw is preferably 21.4mm.
Realize in the following way the further improvement to the operation of clamp: at the tooth of the sawtooth profile of most advanced and sophisticated inner side when shape meshes in locking manner each other, teeth these tips and linearly extend to property, have relative to each other distance and arrange and be provided with long side surfaces such as having in longitudinal section at the inside on jaw side sawtooth profile dorsad.In addition in this case meaningfully: inside described tip and that be positioned at jaw side sawtooth profile opens the at an angle setting of 2.4 ° relative to each other to leave tip dorsad.
The inside sawtooth profile that is arranged in jaw side at the second clamping jaw is configured with semicircular recess.This recess has the radius of 2mm.
The last advantage also having in clamp according to the present invention is: a tong arm has longitudinal slot in its changeover portion, and another tong arm passes described longitudinal slot and has the elongated hole with sawtooth profile with its changeover portion, wherein, in described the second tong arm, can be supported with locking member, the first tong arm can be around this locking member rotation traveling priority.Can by described locking member, regulate the various relative position of tong arm by this way, in described relative position two tong arm linear positions regularly (lagefixiert) however rotatably arrange relative to each other.
Last suitable also having: tong arm is made by FMT.When thering is weight reduction potential, obtain in this way high strength character.Preferably tong arm is made by the steel that ensures the permanent service time of clamp.
Accompanying drawing explanation
Below with reference to embodiment shown in the drawings, further set forth the present invention.In accompanying drawing:
Fig. 1 illustrates the side view of clamp;
Fig. 2 illustrates the view of the clamp of observing along the direction of the arrow II of Fig. 1;
Fig. 3 illustrates the side view of the clamping region of clamp;
Fig. 4 illustrates the part of amplification of the clamping region of Fig. 3 equally with side view; With
Fig. 5 illustrates the part of the amplification of clamping region again.
The specific embodiment
Fig. 1 and 2 be take the clamp that 1 mark pattern is water pump pliers.Clamp 1 has the first tong arm 2 and the second tong arm 3, and these tong arms are coupled to each other by an adjustable movable joint 4.
Each tong arm 2,3 is divided into handle section 5,5a, changeover portion 6,6a and have and clamp jaw 8, the head sections 7 of 8a, 7a.
In addition, as can be seen from Figure 2, the first tong arm 2 has longitudinal slot 9 in its changeover portion 6, and another tong arm 3 passes described longitudinal slot 9 with its changeover portion 6a.
In addition, clamp 1 has blocking mechanism 10, and this blocking mechanism allows relative the first tong arm 2 of the second tong arm 3 to implement the adjustment campaign of translation, can regulate step by step the A/F of clamp 1 between head sections 7,7a in this way.
In order to implement the adjustment campaign of translation, in the changeover portion 6a of the second tong arm 3, be provided with elongated hole 11, this elongated hole has respectively jagged detent profile 12 on the longitudinal edge of portion within it.In addition, on the first tong arm 2, be provided with action bars 13, this action bars time in axial direction moves locking member 14 in operation, and this locking member is transferred to released position and can realize thus the adjustment campaign of the translation of relative the second tong arm 3 of the first tong arm 2 from locked position like this.If then locking member 14 is arranged in new locked position, two tong arms 2,3 can be around movable joint 4 pivotables.
As can be clear that in Fig. 1 and 3, the changeover portion 6a that second of the second tong arm 3 clamps the relative adjacency of jaw 8a with the angle α transverse projections of 90 ° arrange and first on the first tong arm 2 clamps changeover portion 6 that jaw 8 adjoins relatively and arrange with the angle β of 45 °.
In addition, particularly by Figure 4 and 5, can see, clamp in the S shape facing with each other of jaw 8,8a profile and in the situation that forming jaw 17, there is the sawtooth profile 18 to 22 with tooth triangular in shape in longitudinal section 23,24, parallelogram when described jaw contacts with each other at the tip 15,16 that clamps jaw 8,8a.
In this respect, Figure 4 and 5 illustrate in addition: the interior profile of the length of the jaw 17 of parallelogram consists of the sawtooth profile 18,19 with have not the tooth 23 that waits long side surface 25,26 in longitudinal section, and short interior profile in jaw 17 and the interior profile that clamps the tip 15,16 of jaw 8,8a consist of the sawtooth profile 20,21,22 of the tooth 24 with long side surfaces 27 such as having in longitudinal section.Can find out in addition: the second sawtooth profile 19 straight lines that are arranged on length in the second clamping jaw 8a in jaw 17 extend and be arranged in the first clamping jaw 8 length the first sawtooth profile 18 towards the second sawtooth profile 19 over there protruding extend.The radius R of the sawtooth profile 18 of projection is 45mm.
At the tooth 24 of the sawtooth profile 22 of most advanced and sophisticated 15,16 inner sides when shape meshes in locking manner each other (Fig. 5), the long side surface 25 of the tooth 23 of the sawtooth profile 18,19 of the length in the jaw 17 almost vertical plane MLE in center parallel to each other and crossing with respect to the tooth 24 of the sawtooth profile 22 with most advanced and sophisticated 15,16 inner sides arranges abreast.In this case, the second sawtooth profile 19 of the length in jaw 17 is 4.5mm from the average distance A of the first long sawtooth profile 18.The height H of the tooth 23 of the second sawtooth profile 19 of the length in jaw 17 is the height H of the tooth 23 of the first sawtooth profile 18 of growing of 0.52mm
1for 0.58mm.
What go out as shown in Figure 3 is such, and the subtended angle γ between the short side 26 of tooth 23 of the sawtooth profile 18,19 of the length in jaw 17 and the long side surface 25 of the tooth 23 of corresponding adjacency is 105 °.And the short side 26 of the tooth 23 of the sawtooth profile 18,19 of length in jaw 17 and and the crossing vertical plane MLE in center of the tooth 24 of the sawtooth profile 22 of most advanced and sophisticated 15,16 inner sides between subtended angle δ be 70 °.
The height H 2 of the tooth 24 of the sawtooth profile 20,21 of the short interior profile in jaw 17 is 0.36mm(Fig. 5).
The tooth 24 of the sawtooth profile 22 most advanced and sophisticated 15,16 is when shape meshes in locking manner each other, and the sawtooth profile 18,19 of the length in the jaw 17 center vertical plane MLE crossing with respect to the tooth 24 of the sawtooth profile 22 with described most advanced and sophisticated 15,16 inner sides arranges with the angle ε of 15 °.Subtended angle ζ between the sawtooth profile 18,19 of the length in jaw 17 and the short sawtooth profile 20,21 of adjacency is 135 ° (Fig. 3).
The length L of jaw 17 is 21.4mm(Fig. 5).
At the tooth 24 of the sawtooth profile 22 of most advanced and sophisticated 15,16 inner sides when shape meshes in locking manner each other, dorsad these tips 15,16 and at the inside on jaw 17 sides sawtooth profile 28,29(Fig. 4) linearity extends ground and has relative to each other distance the tooth 30(Figure 4 and 5 that arrange and be provided with long side surfaces 27 such as having in longitudinal section).Can find out in addition, these inner sawtooth profiles 28,29 are set to leave most advanced and sophisticated 15,16 and open the angle η (Fig. 3) of 2.4 °.
The inside sawtooth profile 28 that is arranged in jaw 17 sides at the second clamping jaw 8a is configured with semicircular recess 31.This recess has the radius R 1(Figure 4 and 5 of 2mm).
Subtended angle θ between the side 27 of the tooth 24 of the sawtooth profile 20,21,22,28 in that side at tip 15,16 dorsad most advanced and sophisticated short interior profiles 15,16 inner sides, jaw 17 and jaw 17 and two adjacency of 29 is 90 °.
Reference numerals list
1 clamp
2 first tong arms
3 second tong arms
4 movable joints
52 handle section
The handle section of 5a 3
62 changeover portion
The changeover portion of 6a 3
72 head sections
The head sections of 7a 3
The first clamping jaw of 82
Second of 8a 3 clamps jaw
Longitudinal slot in 96
10 blocking mechanisms
Elongated hole in 11 6a
Detent profile in 12 11
13 action bars
14 locking members
15 8 tip
The tip of 16 8a
17 jaws
The sawtooth profile of the length on 18 8
The sawtooth profile of the length on 19 8a
Short sawtooth profile on 20 8
Short sawtooth profile on 21 8a
Sawtooth profile on 22 15 and 16
23 18 and 19 tooth
24 20,21,22 tooth
25 23 long side surface
26 23 short side
27 24 side
The sawtooth profile on 28 17 sides
The sawtooth profile on 29 17 sides
30 28,29 tooth
Recess in 31 28
Distance between A 18 and 19
23 height in H 19
H
123 height in 18
H
224 height
The length of L 17
The radius of R 18
The radius of R1 31
The vertical plane in center between MLE 15 and 16 24
Angle between α 6a and 8a
Angle between β 6 and 8
Angle between γ 25 and 26
Angle between δ 26 and MLE
Angle between ε 18,19 and MLE
Angle between angle theta 27 between angle η 28 and 29 between ζ 18,19 and 20,21
Claims (17)
1. the clamp (1) with adjustable movable joint (4), this clamp has two tong arms (2 that are coupled to each other by described movable joint (4), 3), these tong arms are divided into respectively handle section (5, 5a), changeover portion (6, 6a) and there is clamping jaw (8, head sections (7 8a), 7a), wherein, second clamps jaw (8a) arranges on changeover portion (6a) the transverse projections ground of adjacency relatively, and the changeover portion (6) that the first other clamping jaw (8) adjoins relatively arranges with the angle (β) between approximately 35 ° and 55 °, and clamp jaw (8, in the S shape facing with each other 8a), profile has with tooth triangular in shape in longitudinal section (23 in the situation that forming jaw (17), 24) sawtooth profile (18, 19, 20, 21), described jaw is clamping jaw (8, tip (15 8a), 16) parallelogram while contacting with each other, it is characterized in that: the interior profile of the length of the jaw of parallelogram (17) is by do not wait long side surface (25 with having in longitudinal section, 26) the sawtooth profile (18 of tooth (23), 19) form, and the short interior profile of jaw (17) and clamping jaw (8, tip (15 8a), 16) interior profile is by the sawtooth profile (20 of the tooth (24) with long side surfaces (27) such as having in longitudinal section, 21, 22) form, wherein, second sawtooth profile (19) straight line that is arranged on the length in the second clamping jaw (8a) of jaw (17) extends, and be arranged in the first clamping jaw (8) length the first sawtooth profile (18) towards the second sawtooth profile (19) over there protruding extend.
2. clamp as claimed in claim 1, it is characterized in that: most advanced and sophisticated (15,16) tooth (24) of sawtooth profile (22) of inner side is when shape meshes in locking manner each other, the sawtooth profile (18 of the length in jaw (17), 19) long side surface (25) of tooth (23) the almost vertical plane (MLE) in center parallel to each other and crossing with respect to the tooth (24) of the sawtooth profile (22) with most advanced and sophisticated (15,16) inner side arranges abreast.
3. clamp as claimed in claim 1 or 2, it is characterized in that: most advanced and sophisticated (15,16) tooth (24) of sawtooth profile (22) of inner side is when shape meshes in locking manner each other, and the second sawtooth profile (19) of the length in jaw (17) is 4.5mm with respect to the average distance (A) of the first long sawtooth profile (18).
4. the clamp as described in any one of claims 1 to 3, it is characterized in that: the height (H) of the tooth (23) of the second sawtooth profile (19) of the length in jaw (17) is 0.52mm, and the height (H1) of the tooth (23) of the first long sawtooth profile (18) is 0.58mm.
5. the clamp as described in any one of claim 1 to 4, it is characterized in that: the subtended angle (γ) between the short side (26) of the tooth (23) of the sawtooth profile (18,19) of the length in jaw (17) and the long side surface (25) of the tooth (23) of corresponding adjacency is 105 °.
6. the clamp as described in any one of claim 1 to 5, it is characterized in that: at described tip (15,16) tooth (24) of sawtooth profile (22) of inner side is when shape meshes in locking manner each other, the sawtooth profile (18 of the length in jaw (17), 19) the short side (26) of tooth (23) and with the subtended angle (δ) between the crossing vertical plane (MLE) in center of the tooth (24) of the sawtooth profile (22) of most advanced and sophisticated (15,16) inner side be 70 °.
7. the clamp as described in any one of claim 1 to 6, is characterized in that: the height (H2) of the tooth (24) of the sawtooth profile (20,21) of the short interior profile in jaw (17) is 0.36mm.
8. the clamp as described in any one of claim 1 to 7, it is characterized in that: at described tip (15,16) tooth (24) of sawtooth profile (22) is when shape meshes in locking manner each other, the sawtooth profile (18 of the length in jaw (17), 19) the vertical plane (MLE) in the center crossing with respect to the tooth (24) of sawtooth profile (22) with described tip (15,16) inner side arranges with the angle (ε) of 15 °.
9. the clamp as described in any one of claim 1 to 8, is characterized in that: being arranged in the sawtooth profile (18,19) of length of jaw (17) and the subtended angle (ζ) between the short sawtooth profile (20,21) of adjacency is 135 °.
10. the clamp as described in any one of claim 1 to 9, it is characterized in that: most advanced and sophisticated (15,16) short sawtooth profile (the 20 sawtooth profile (22) of inner side, in jaw (17), 21) tip (15 dorsad and jaw (17), 16) subtended angle (θ) between two teeth (24) etc. with long side surface (27) of the sawtooth profile (28,29) in that side is 90 °.
11. clamps as described in any one of claim 1 to 10, is characterized in that: the length (L) of jaw (17) is 21.4mm.
12. clamps as described in any one of claim 1 to 11, it is characterized in that: most advanced and sophisticated (15,16) tooth (24) of sawtooth profile (22) of inner side is when shape meshes in locking manner each other, these tips (15 dorsad, 16) and at the inside sawtooth profile (28,29) on jaw (17) side, linearly extend, have relative to each other distance and arrange and be provided with the tooth (30) of long side surfaces (27) such as having in property ground in longitudinal section.
13. clamps as claimed in claim 12, is characterized in that: most advanced and sophisticated inside sawtooth profiles (28,29) (15,16) and that be positioned at jaw (17) side open the angle of 2.4 ° and arrange (η) to leave tip (15,16) dorsad.
14. clamps as described in claim 12 or 13, is characterized in that: the inside sawtooth profile (28) that is arranged in jaw (17) side at the second clamping jaw (8a) is configured with semicircular recess (31).
15. clamps as claimed in claim 14, is characterized in that: recess (31) has the radius (R1) of 2mm.
16. clamps as described in any one of claim 1 to 15, it is characterized in that: tong arm (2) has longitudinal slot (9) in its changeover portion (6), and another tong arm (3) passes described longitudinal slot (9) and has the elongated hole (11) with two detent profile opposite each other (12) with its changeover portion (6a), wherein, in described the second tong arm (3), can be supported with locking member (14), described the first tong arm (2) can be around this locking member rotation traveling priority.
17. clamps as described in any one of claim 1 to 16, is characterized in that: tong arm (2,3) is made by FMT.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202013101985.2 | 2013-05-07 | ||
| DE202013101985U DE202013101985U1 (en) | 2013-05-07 | 2013-05-07 | tongs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104139347A true CN104139347A (en) | 2014-11-12 |
| CN104139347B CN104139347B (en) | 2016-09-07 |
Family
ID=48652958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410133685.7A Active CN104139347B (en) | 2013-05-07 | 2014-04-04 | Clamp |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2801444B1 (en) |
| CN (1) | CN104139347B (en) |
| DE (1) | DE202013101985U1 (en) |
| ES (1) | ES2775205T3 (en) |
| TW (1) | TWI546165B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI659810B (en) * | 2017-03-07 | 2019-05-21 | 日商工程股份有限公司 | Water pump pliers and cover member |
| USD910395S1 (en) | 2019-03-11 | 2021-02-16 | Milwaukee Electric Tool Corporation | Pliers |
| US11247308B2 (en) | 2017-09-11 | 2022-02-15 | Milwaukee Electric Tool Corporation | Locking pliers with movable torque-increasing jaw section |
| US11541514B2 (en) | 2016-03-23 | 2023-01-03 | Milwaukee Electric Tool Corporation | Locking pliers |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985089B (en) * | 2015-07-22 | 2016-11-23 | 刘剑 | A kind of cable bending pliers |
| DE102021113461A1 (en) | 2021-04-07 | 2022-10-13 | Knipex-Werk C. Gustav Putsch Kg | Tongs |
| TW202245992A (en) | 2021-04-07 | 2022-12-01 | 德商Ｃ 格斯塔夫 布希 克尼佩克斯工廠 | pliers |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191000144A (en) * | 1910-01-03 | 1910-11-17 | Wilhelm Kessing | An Improved Pipe Wrench or Spanner. |
| FR2218971A1 (en) * | 1973-02-23 | 1974-09-20 | Putsch Karl | |
| US4581960A (en) * | 1983-02-02 | 1986-04-15 | Knipex-Werk C. Gustav Putsch | Water-pump pliers |
| FR2642351A1 (en) * | 1989-01-27 | 1990-08-03 | Super Ego Tools | IMPROVED PLIERS |
| EP0528252A1 (en) * | 1991-08-08 | 1993-02-24 | Knipex-Werk C. Gustav Putsch | Pliers with two plierarms |
| DE29703681U1 (en) * | 1997-02-28 | 1997-06-19 | Will Werkzeugfabrik Gmbh Co Kg | pliers |
| CN1791494A (en) * | 2003-05-22 | 2006-06-21 | 科尼佩克斯-沃克.C.古斯塔夫普奇公司 | Pliers that can be operated with one hand |
| CN201086256Y (en) * | 2007-08-30 | 2008-07-16 | 文登威力高档工具有限公司 | Self-adjusting water pump clamp |
-
2013
- 2013-05-07 DE DE202013101985U patent/DE202013101985U1/en not_active Expired - Lifetime
-
2014
- 2014-04-04 CN CN201410133685.7A patent/CN104139347B/en active Active
- 2014-04-17 EP EP14165070.5A patent/EP2801444B1/en active Active
- 2014-04-17 ES ES14165070T patent/ES2775205T3/en active Active
- 2014-04-30 TW TW103115646A patent/TWI546165B/en active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191000144A (en) * | 1910-01-03 | 1910-11-17 | Wilhelm Kessing | An Improved Pipe Wrench or Spanner. |
| FR2218971A1 (en) * | 1973-02-23 | 1974-09-20 | Putsch Karl | |
| GB1370605A (en) * | 1973-02-23 | 1974-10-16 | Putsch K | Pipe wrench |
| US4581960A (en) * | 1983-02-02 | 1986-04-15 | Knipex-Werk C. Gustav Putsch | Water-pump pliers |
| FR2642351A1 (en) * | 1989-01-27 | 1990-08-03 | Super Ego Tools | IMPROVED PLIERS |
| EP0528252A1 (en) * | 1991-08-08 | 1993-02-24 | Knipex-Werk C. Gustav Putsch | Pliers with two plierarms |
| DE29703681U1 (en) * | 1997-02-28 | 1997-06-19 | Will Werkzeugfabrik Gmbh Co Kg | pliers |
| CN1791494A (en) * | 2003-05-22 | 2006-06-21 | 科尼佩克斯-沃克.C.古斯塔夫普奇公司 | Pliers that can be operated with one hand |
| CN201086256Y (en) * | 2007-08-30 | 2008-07-16 | 文登威力高档工具有限公司 | Self-adjusting water pump clamp |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11541514B2 (en) | 2016-03-23 | 2023-01-03 | Milwaukee Electric Tool Corporation | Locking pliers |
| TWI659810B (en) * | 2017-03-07 | 2019-05-21 | 日商工程股份有限公司 | Water pump pliers and cover member |
| US11247308B2 (en) | 2017-09-11 | 2022-02-15 | Milwaukee Electric Tool Corporation | Locking pliers with movable torque-increasing jaw section |
| USD910395S1 (en) | 2019-03-11 | 2021-02-16 | Milwaukee Electric Tool Corporation | Pliers |
| USD951731S1 (en) | 2019-03-11 | 2022-05-17 | Milwaukee Electric Tool Corporation | Pliers |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI546165B (en) | 2016-08-21 |
| EP2801444B1 (en) | 2019-12-25 |
| CN104139347B (en) | 2016-09-07 |
| TW201505787A (en) | 2015-02-16 |
| EP2801444A1 (en) | 2014-11-12 |
| DE202013101985U1 (en) | 2013-05-17 |
| ES2775205T3 (en) | 2020-07-24 |
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