WO2001076825A1 - Outil de serrage, notamment pince-etau - Google Patents
Outil de serrage, notamment pince-etau Download PDFInfo
- Publication number
- WO2001076825A1 WO2001076825A1 PCT/FR2001/001059 FR0101059W WO0176825A1 WO 2001076825 A1 WO2001076825 A1 WO 2001076825A1 FR 0101059 W FR0101059 W FR 0101059W WO 0176825 A1 WO0176825 A1 WO 0176825A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- jaws
- assembly
- tool according
- lever
- sub
- Prior art date
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
- B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
- B25B7/123—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears with self-locking toggle levers
-
- 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
- B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
Definitions
- the present invention relates to a clamping tool, in particular a vise grip.
- the object of the invention is to provide a clamping tool which, in a particularly ergonomic manner, makes it possible to obtain a pre-clamping of an object releasing the hands of the user, in order to allow the latter to perform a adjustment of the position of the object before making a strong and stable tightening of this object.
- This is particularly advantageous when the object in question consists of at least two superimposed parts that one wants
- the subject of the invention is a tightening tool, in particular a vice-grip, characterized in that it comprises: a fixed assembly extending in a longitudinal direction and comprising a rigid fixed sub-assembly rigidly connected at the front to a fixed jaw and connected at the rear to a first handle by a connection which is rigid at least for the actuation of opening the jaws;
- a mobile assembly comprising a rigid mobile sub-assembly articulated by a pivot on the fixed sub-assembly, and a mobile jaw connected to the front part of this mobile sub-assembly; means for opening the jaws;
- a locking member adapted to, in each relative position of the two jaws, prevent the jaws from moving away from one another;
- the clamping tool according to the invention may include one or more of the characteristics described in claims 2 to 20, taken in isolation or according to all their technically possible combinations.
- US-A-2 997 903 and 3 354 759 describe clamps in which a spring biases the jaws towards one another.
- the aforementioned spring does not allow a real pre-tightening of the object, that is to say a maintenance of the tool itself on this object.
- - Figure 1 is an exterior view of a vise grip according to the invention
- - Figure 2 is a view showing the various members of this vise grip, in the tool rest position
- FIG. 3 is a view similar to Figure 2 showing the opening of the jaws;
- - Figure 4 is a view similar to Figure 2 showing the tool in the pre-clamping position of an object;
- Figure 5 is a similar to Figure 2 showing the tightening phase of the object;
- Figure 6 is a view similar to Figure 2 showing the release phase of the toggle.
- the vice grip 1 shown in the drawings supposedly contained in a general vertical plane, essentially consists of the following four parts:
- a fixed assembly 2 rigid, comprising a rigid plate 3 which is extended forward by a fixed jaw 4 and rearward by a fixed handle 5. In the position shown, the jaw 4 is the lower jaw of the tool, and the handle 5 is the lower handle.
- a mobile equipment 6 which itself includes: - A rocker 7 articulated approximately halfway along the rear region of the plate 3 by means of a first pivot or main pivot 8. The part of the rocker located behind the pivot 8 forms a lever 9 for opening the jaws;
- a movable jaw 10 in the general shape of C open downwards, that is to say towards the jaw 4.
- This jaw 10 has its lower rear end articulated on the front end of the rocker 7 by means of a second pivot 11;
- a toggle switch 12 has two connecting rods, front 13 and rear 14.
- the front end of the connecting rod 13 is articulated at an upper rear point of the jaw 10. by means of a third pivot 15.
- the rear end of the connecting rod 13 and the front end of the connecting rod 14 are articulated to each other by means of a fourth pivot 16, which constitutes the intermediate point of the toggle joint.
- the rear end of the connecting rod 14 is articulated on the rocker 7, above the pivot 8, by means of a fifth pivot 17.
- a helical spring 18 is tensioned, approximately vertically, 'between a point intermediate 19 of the connecting rod 13, located in front of the pivot 16, and a lower location of the plate. This spring permanently urges the toggle towards the broken down position shown, the breaking angle of which is adjustable in an adjustable manner by a needle screw 20 with knurled head screwed up and down in the rear end of the connecting rod 13 , behind the pivot 16.
- a lever 21 for passing the knee lever This lever is articulated in its front part on the pivot 17 and extends towards the front by a beak actuator 22. At the rear of the pivot 17. the lever 21 is received over a certain length in a lower recess 23 of the lever 9, then it extends towards the rear beyond the rear end of the latter.
- the lever 9 and the extension of the lever 21 together have a substantially symmetrical shape of that of the lower handle 5.
- the assembly of the tool has a general outline (FIG. 1) which is substantially symmetrical with respect to a median plane P passing through the pivot 8, and a general arrangement of the type " clothespin ", that is to say not crossed, opposite the main pivot 8.
- One-way deactivation braking device comprises: a rear surface 26 of the fixed jaw 4, centered on the pivot 8;
- a first return 31 for disabling the brake is provided.
- This reference articulated by an intermediate point 32 on the rocker 7, comprises a front spout adapted to cooperate with the ball 29;
- the first phase of using the vise grip is shown in Figure 3.
- the operator grasps the tool like a gripper, which brings his index finger to the trigger 37 and his thumb to the lever 9 .
- the pre-tightening movement, caused by the spring 18, causes the entire movable assembly 6 to tilt all around the axis 8, as described above. Consequently, the geometry of the toggle joint 12, which defines the path of application of the clamping force, is independent of the path of application of the pre-clamping force, which is defined by the two attachment points of the spring. 18. In other words, the adjustment of the toggle joint, carried out beforehand by means of the screw 20, defines a predetermined clamping force which remains constant whatever the thickness of the object 39 to be grasped.
- At least one of the jaws may comprise at its free end an articulated mobile jaw, as is known in the art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01921513A EP1268135A1 (fr) | 2000-04-07 | 2001-04-06 | Outil de serrage, notamment pince-etau |
AU48493/01A AU4849301A (en) | 2000-04-07 | 2001-04-06 | Clamping tool, in particular locking pliers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0004518A FR2807355B1 (fr) | 2000-04-07 | 2000-04-07 | Outil de serrage, notamment pince-etau |
FR00/04518 | 2000-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001076825A1 true WO2001076825A1 (fr) | 2001-10-18 |
Family
ID=8849036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2001/001059 WO2001076825A1 (fr) | 2000-04-07 | 2001-04-06 | Outil de serrage, notamment pince-etau |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030136235A1 (fr) |
EP (1) | EP1268135A1 (fr) |
AU (1) | AU4849301A (fr) |
FR (1) | FR2807355B1 (fr) |
WO (1) | WO2001076825A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI472412B (zh) * | 2012-08-20 | 2015-02-11 | Ming Chieh Wu | 具配重之管鉗結構 |
TWI794467B (zh) * | 2018-04-11 | 2023-03-01 | 德商韋扎格有限責任兩合公司 | 壓接工具 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10702976B2 (en) | 2018-06-06 | 2020-07-07 | GCX Corporation | Pole clamp |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1772428A (en) * | 1930-01-20 | 1930-08-05 | John J Palotce | Pliers, tongs, or the like |
US1879452A (en) * | 1931-02-18 | 1932-09-27 | John J Palotce | Pliers, etc. |
US2997903A (en) * | 1959-08-19 | 1961-08-29 | Rommel Reiner | Pliers with self-adjusting toggle means |
US3354759A (en) * | 1966-05-03 | 1967-11-28 | Thomas L Cook | Vise grip pliers |
DE3909603A1 (de) * | 1989-03-23 | 1990-09-27 | Adolf Wuerth Gmbh & Co Kg | Gripzange |
WO1994020265A1 (fr) * | 1993-03-12 | 1994-09-15 | Fast Industriprodukter Hb | Dispositif d'ajustement rapide de machoires pour outils a main |
-
2000
- 2000-04-07 FR FR0004518A patent/FR2807355B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-06 AU AU48493/01A patent/AU4849301A/en not_active Abandoned
- 2001-04-06 WO PCT/FR2001/001059 patent/WO2001076825A1/fr not_active Application Discontinuation
- 2001-04-06 EP EP01921513A patent/EP1268135A1/fr not_active Withdrawn
- 2001-04-06 US US10/240,669 patent/US20030136235A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1772428A (en) * | 1930-01-20 | 1930-08-05 | John J Palotce | Pliers, tongs, or the like |
US1879452A (en) * | 1931-02-18 | 1932-09-27 | John J Palotce | Pliers, etc. |
US2997903A (en) * | 1959-08-19 | 1961-08-29 | Rommel Reiner | Pliers with self-adjusting toggle means |
US3354759A (en) * | 1966-05-03 | 1967-11-28 | Thomas L Cook | Vise grip pliers |
DE3909603A1 (de) * | 1989-03-23 | 1990-09-27 | Adolf Wuerth Gmbh & Co Kg | Gripzange |
WO1994020265A1 (fr) * | 1993-03-12 | 1994-09-15 | Fast Industriprodukter Hb | Dispositif d'ajustement rapide de machoires pour outils a main |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI472412B (zh) * | 2012-08-20 | 2015-02-11 | Ming Chieh Wu | 具配重之管鉗結構 |
TWI794467B (zh) * | 2018-04-11 | 2023-03-01 | 德商韋扎格有限責任兩合公司 | 壓接工具 |
Also Published As
Publication number | Publication date |
---|---|
FR2807355A1 (fr) | 2001-10-12 |
AU4849301A (en) | 2001-10-23 |
FR2807355B1 (fr) | 2002-08-02 |
US20030136235A1 (en) | 2003-07-24 |
EP1268135A1 (fr) | 2003-01-02 |
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