EP2177961B1 - Pinzette mit drehbar gelagerten Greifelemente - Google Patents

Pinzette mit drehbar gelagerten Greifelemente Download PDF

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Publication number
EP2177961B1
EP2177961B1 EP09171986A EP09171986A EP2177961B1 EP 2177961 B1 EP2177961 B1 EP 2177961B1 EP 09171986 A EP09171986 A EP 09171986A EP 09171986 A EP09171986 A EP 09171986A EP 2177961 B1 EP2177961 B1 EP 2177961B1
Authority
EP
European Patent Office
Prior art keywords
gripping element
tweezers
branch
pad
cap
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.)
Active
Application number
EP09171986A
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English (en)
French (fr)
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EP2177961A1 (de
Inventor
Abdenacer Ait-Mani
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Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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Publication of EP2177961A1 publication Critical patent/EP2177961A1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D1/00—Gripping, holding, or supporting devices
    • G04D1/02—Tweezers; Vice clamps or other special hand tools for watchmakers
    • G04D1/021—Tweezers
    • 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
    • B25B9/00—Hand-held gripping tools other than those covered by group B25B7/00
    • B25B9/02—Hand-held gripping tools other than those covered by group B25B7/00 without sliding or pivotal connections, e.g. tweezers, onepiece tongs

Definitions

  • the invention relates to a tweezers having two branches joined at one end, a second end of each branch comprising a gripping element, said gripping element of each branch being mounted to freely rotate about a pivot axis to the second end of said branch.
  • the tweezers are intended for the handling of fragile objects. They have application in microelectronics where they serve as a tool for gripping and handling microelectronic components such as chips. In this type of use it is necessary to avoid any risk of degradation of the edges and the upper active face of the chip on which we can find a circuitry with low relief, for example as on CMOS chips or infrared detectors, or strong relief , for example as chips with dies of balls.
  • the tweezers commonly used comprise, as illustrated in FIG. figure 1 , two branches 1a and 1b joined at a first end 2.
  • a second end 3 of each branch 1a and 1b comprises a gripping element 4 for gripping a microelectronic component.
  • the gripping element 4 is in the extension of the branches.
  • Handling microelectronic components with such tweezers Vigilance and dexterity important to the operators. Indeed, depending on the environment where a pair of tweezers is used, the operator may have only a small range of motion. Some positions are more comfortable for left-handed operators and others for right-handed operators.
  • tweezers of the company Ideal-Tek a model of tweezers tweezers comprises gripping elements 4, as on the figure 1 in the form of removable and interchangeable tips.
  • the tips have different shapes, allowing to adapt according to the use. However, this requires disassembling each time the clamp to select the right tip. In addition, during handling, if the environment changes, it is impossible to do the same with the clamp.
  • the document WO91 / 19291 discloses a CD-ROM gripper with two arms and rotatably mounted legs for gripping a CD-ROM at its central hole.
  • the document GB769,917 discloses a clamp with interchangeable gripping elements attached to the clamp arms by screws for adjusting the angle of the gripping members relative to the arms.
  • the document JP2005342840 discloses a clamp provided at each free end with grippers mounted rotatably.
  • the rotation of the gripping elements is constrained by several fixed positions that can be occupied by the gripping elements.
  • the object of the invention is to provide an easy tweezers tweezers do not have the disadvantages of the prior art.
  • the gripping element of each branch comprises a longitudinal axis perpendicular to the corresponding pivot axis, and in that a shoe is fixed to a free end of said gripping element and arranged perpendicularly to said axis. longitudinal section of the gripping element
  • the shoe comprises a rod, parallel to the longitudinal axis of the gripping element, driven into a corresponding cavity of the gripping element, said gripping element being provided with a hole opening into said cavity, said hole being threaded and having an axis perpendicular to said rod for fixing the shoe by a screw, screwed into said hole, making a pressure on the rod.
  • the tweezers tweezers comprises two branches 1a and 1b joined at a first end 2.
  • a second end 3 of each branch 1a and 1b comprises a gripping element 4 mounted to rotate freely about a pivot axis A1 at the second end of the corresponding branch 1a or 1b.
  • the pivot axis A1 is preferably perpendicular to a longitudinal axis A2 of the branch.
  • the branches 1a and 1b have a given elasticity allowing the gripping means to be separated by a maximum distance Dmax when no stress is applied to the branches 1a and 1b.
  • Dmax maximum distance
  • an operator can, by exerting sufficient pressure on the branches, bring them closer to capture a chip. After having picked up the chip and moved it, the operator can release its pressure, the tweezers then resumes its original shape while releasing the chip.
  • the gripping element of each branch preferably comprises a longitudinal axis A3 perpendicular to the corresponding pivot axis A1, and a pad 5 is preferably attached to a free end 6 of the gripping element 4 perpendicular to the longitudinal axis A3 of the gripping element 4.
  • each gripping element 4 can be connected respectively to the second end 3 of a corresponding branch 1a by any means allowing its free rotation about the pivot axis A1, itself perpendicular to the longitudinal axis A2 of the branch 1a .
  • each branch 1a, 1b and the corresponding gripping element 4 comprise a through-hole located at the second end for the branch and at a connecting end 7 for the gripping element 4.
  • a branch and a gripping member is connected through a bolt inserted in their respective holes and a locknut screwed onto the thread of the bolt to provide the connection.
  • the pads 5 may be in the form of parallelepiped bars and are made of non-injurious materials, preferably plastic, for the component to handle.
  • the pads 5 may be made of ABS (Acrylonitrile Butadiene Styrene), polystyrene, polypropylene preferably loaded with carbon to avoid generating electrostatic charges that may damage the component to move.
  • each pad 5 is rotatable along the longitudinal axis A3 of the corresponding gripping element 4.
  • the shoe 5 can be secured to a rod 8 perpendicular to said shoe 5, and the gripping element 4 may comprise a cavity of corresponding shape to the rod 8 and whose axis is parallel to the longitudinal axis A3 of the gripping element 4.
  • the rod 8 can then be locked by a screw screwed into a threaded hole 9 opening into the cavity, preferably perpendicular to the latter.
  • the pressure provided by the screw on the rod 8 in the cavity is then sufficient to ensure the blocking.
  • the mounting of the pad then makes it possible to adjust its angle with respect to the plane comprising the branch 1a and the gripping element 4 of the tweezers.
  • each gripping element preferably has a rounded shape. This rounded shape prevents tweezers from getting stuck, especially when handled in a case. It also allows free rotation of the branches.
  • the tweezers comprise means for locking the distance separating the gripping elements 4.
  • the locking means may be in the form of an operating device using the principle of a retractable ball-type system.
  • They are two coaxial bodies. A body corresponds to a cap free in translation in a main body having a bore for receiving the cap and a locking mechanism of the cap to block its translation (not shown).
  • the locking means are in the form of a simple sliding ring.
  • the two branches 1a and 1b of the tweezers are threaded into the ring 10, and when the ring 10 slides towards the gripping elements 4, the latter begins to rub on the outer faces 11 of the branches 1a and 1b. Indeed, the more the ring 10 approaches the gripping elements 4 plus the friction increases, thus reducing the distance separating the two gripping elements 4 and, where appropriate, the pads 5.
  • gripping means 4 equipped with pads 5, free in rotation with respect to the pivot axis A1 makes it possible to keep the pads always parallel to the plane of a horizontal bench and therefore to the edges of the microelectronic component to be handled. on the bench.
  • the pivot connection between the branches and the gripping elements it is possible to take a chip in a housing or in a environment where the vertical position of the arms is not possible.
  • This advantageous configuration is due to the gravity and the sufficient weight of the gripping elements.
  • the weight of the gripping elements 4 must be sufficient to make negligible the friction forces at the connection branch / gripping element to allow free rotation of the gripping elements 4 around the axis A1.
  • the minimum weight of a gripping member is preferably at least 8 grams.
  • the branches and the gripping elements are made of an easily machinable material such as aluminum.
  • each branch intended to receive a gripping element comprises a recess 13 on an inner face 12 of the branch 1a.
  • the gripping element 4 is then coupled to the branch 1a on the side of the recess 13 and its thickness is preferably equal to the thickness of the recess 13.
  • the gripping elements 4 come , according to the angle of the branches relative to the horizontal, abutting a wall 14 delimiting the depth of the recess 13.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Manipulator (AREA)
  • Surgical Instruments (AREA)

Claims (8)

  1. Pinzette mit zwei Schenkeln (1 a, 1 b), die an einem ersten Ende (2) zusammengefügt sind, wobei ein zweites Ende (3) eines jeden Schenkels (1 a, 1 b) ein Greifelement (4) umfasst, wobei das Greifelement (4) eines jeden Schenkels (1 a, 1 b) um eine Schwenkachse (A1) am zweiten Ende (3) des Schenkels (1 a, 1 b) drehfrei angebracht ist, Pinzette, welche dadurch gekennzeichnet ist, dass das Greifelement (4) eines jeden Schenkels (1 a, 1 b) eine zu der entsprechenden Schwenkachse (A1) senkrecht verlaufende Längsachse (A3) aufweist und dass ein Schuh (5) an einem freien Ende (6) des Greifelements (4) befestigt und zu der Längsachse (A3) des Greifelements (4) senkrecht angeordnet ist.
  2. Pinzette nach Anspruch 1, dadurch gekennzeichnet, dass das Greifelement (4) oder der Schuh (5) lösbar ist.
  3. Pinzette nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die Schuhe aus Werkstoffen ausgebildet sind, die aus ABS, Polystyrol, mit Kohlenstoff beladenem Polypropylen ausgewählt sind.
  4. Pinzette nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sie Mittel zum Feststellen (10) des die Greifelemente (4) voneinander trennenden Abstandes umfasst.
  5. Pinzette nach Anspruch 4, dadurch gekennzeichnet, dass die Feststellmittel aus einem Ring (10) bestehen, in den die Schenkel der Pinzette eingeführt sind.
  6. Pinzette nach Anspruch 4, dadurch gekennzeichnet, dass die Feststellmittel eine Kappe (15) umfassen, die zu einem Hauptkörper koaxial und in dem Hauptkörper (16) verschiebefrei ist, wobei der Hauptkörper (16) einen Mechanismus zum Verriegeln der Kappe (15) in der in den Hauptkörper (16) eingezogenen Position, wenn der Weg der Kappe (15) eine vorbestimmte Schwelle erreicht, umfasst, wobei das der Kappe (15) gegenüberliegende Ende des Hauptkörpers (16) mit einem der Schenkel (1 a) der Pinzette fest verbunden ist und das freie Ende der Kappe (15) mit dem anderen Schenkel (1 b) fest verbunden ist.
  7. Pinzette nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass jeder Schuh (5) um die Längsachse (A3) des Greifelements (4) drehbeweglich ist.
  8. Pinzette nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Schuh einen zur Längsachse (A3) des Greifelements (4) parallel verlaufenden Stift (8) umfasst, der in einen entsprechenden Hohlraum des Greifelements (4) eingesteckt ist, wobei das Greifelement (4) mit einem in den Hohlraum durchgehenden Loch versehen ist, wobei das Loch (9) mit einem Gewinde versehen ist und eine zu dem Stift (8) senkrecht verlaufende Achse aufweist, was ermöglicht, den Schuh (5) mittels einer in das Loch (9) eingeschraubten Schraube, die auf den Stift (8) einen Druck ausübt, zu fixieren.
EP09171986A 2008-10-16 2009-10-01 Pinzette mit drehbar gelagerten Greifelemente Active EP2177961B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0805735A FR2937430B1 (fr) 2008-10-16 2008-10-16 Pince brucelles a elements de prehension montes a pivotement sur des branches.

Publications (2)

Publication Number Publication Date
EP2177961A1 EP2177961A1 (de) 2010-04-21
EP2177961B1 true EP2177961B1 (de) 2011-04-27

Family

ID=40291111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09171986A Active EP2177961B1 (de) 2008-10-16 2009-10-01 Pinzette mit drehbar gelagerten Greifelemente

Country Status (5)

Country Link
US (1) US7938469B2 (de)
EP (1) EP2177961B1 (de)
AT (1) ATE507510T1 (de)
DE (1) DE602009001169D1 (de)
FR (1) FR2937430B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012200850A (ja) * 2011-03-28 2012-10-22 Atom Kosan Kk 挟持部の角度可変型ピンセット

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Publication number Priority date Publication date Assignee Title
CN102407513B (zh) * 2010-09-23 2014-11-05 富泰华工业（深圳）有限公司 装配工具
EP2897550B1 (de) 2012-09-21 2017-05-10 Dentsply International Inc. Doppelendige pinzette
CN105163683B (zh) 2013-03-15 2018-06-15 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) 电外科器械
EP2974682B1 (de) 2013-03-15 2017-08-30 Gyrus ACMI, Inc. Kombiniertes elektrochirurgisches instrument
US9452009B2 (en) 2013-03-15 2016-09-27 Gyrus Acmi, Inc. Combination electrosurgical device
EP2967718B1 (de) 2013-03-15 2017-04-05 Gyrus Acmi Inc. Versetzte pinzette
US20140276797A1 (en) 2013-03-15 2014-09-18 GYRUS ACMI, INC., d/b/a Olympus Surgical Technologies America Combination electrosurgical device
US9855091B2 (en) 2014-04-02 2018-01-02 Gyrus Acmi, Inc. Surgical device having changeable elements
US10258404B2 (en) 2014-04-24 2019-04-16 Gyrus, ACMI, Inc. Partially covered jaw electrodes
US10456191B2 (en) 2014-08-20 2019-10-29 Gyrus Acmi, Inc. Surgical forceps and latching system
US9782216B2 (en) 2015-03-23 2017-10-10 Gyrus Acmi, Inc. Medical forceps with vessel transection capability
CN104827419B (zh) * 2015-04-22 2016-11-30 顾玉奎 一种具有可调防护套及夹持部的工业镊子
CN104827417B (zh) * 2015-04-22 2016-12-28 顾玉奎 一种夹持部可调节角度的镊子
US20180352886A1 (en) * 2017-06-08 2018-12-13 Sandi Schroeder Eyelash Application System
CN105258972B (zh) * 2015-11-13 2018-09-04 南京信息工程大学 一种大气pm2.5颗粒采样器石英滤膜的专用夹取镊子
US10499771B2 (en) * 2017-06-20 2019-12-10 Kieran Bergin Inc. Multi-function tongs
US10667834B2 (en) 2017-11-02 2020-06-02 Gyrus Acmi, Inc. Bias device for biasing a gripping device with a shuttle on a central body
US11383373B2 (en) 2017-11-02 2022-07-12 Gyms Acmi, Inc. Bias device for biasing a gripping device by biasing working arms apart
US11298801B2 (en) 2017-11-02 2022-04-12 Gyrus Acmi, Inc. Bias device for biasing a gripping device including a central body and shuttles on the working arms
US10792073B2 (en) 2017-12-29 2020-10-06 Lawrence D Eisen Skin care apparatus
US10405595B1 (en) * 2018-02-20 2019-09-10 Kiss Nail Products, Inc. Eyelash applicators, magnetic artificial eyelashes, and methods for using the same
USD862796S1 (en) 2018-03-15 2019-10-08 Kiss Nail Products, Inc. Eyelash applicator
TWI821395B (zh) * 2018-09-25 2023-11-11 日商永木精機股份有限公司 間接活線工事用把持工具
US20200323329A1 (en) * 2019-04-15 2020-10-15 Kiss Nail Products, Inc. Applicator for makeup product
DE102020003693B4 (de) 2020-06-20 2022-12-22 Patrick Lehmann Präzisionspinzette
CN113799010A (zh) * 2021-09-17 2021-12-17 周永庆 一种方便夹取金属头的镊子

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US1758490A (en) * 1929-01-04 1930-05-13 Aderer Julius Soldering tweezers
US2157226A (en) * 1937-02-20 1939-05-09 Betz William Stamp holder
GB769917A (en) * 1953-12-08 1957-03-13 Hubert Percival Schofield Improvements in or relating to tweezers
US3399583A (en) * 1966-12-09 1968-09-03 Hall Gordon Lance Locking tweezers
US3818784A (en) * 1973-01-03 1974-06-25 Scient Components Inc Changeable tip tweezers and the like
US3980861A (en) * 1973-03-26 1976-09-14 Akio Fukunaga Electrically heated miniature thermal implement
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AU7998591A (en) * 1990-06-04 1991-12-31 I.A.F. Enterprises Compact disc handling device
US5147369A (en) * 1991-07-01 1992-09-15 Wagner Michael A Forceps and method for nuclear fragment removal
AT408717B (de) * 2000-09-15 2002-02-25 Dietrich Herbert Dr Pinzette
JP2005342840A (ja) * 2004-06-03 2005-12-15 Junichi Koyanagi 先端可動式ピンセット
WO2008114912A1 (en) * 2007-03-21 2008-09-25 Jeong Sik Han Tweezers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012200850A (ja) * 2011-03-28 2012-10-22 Atom Kosan Kk 挟持部の角度可変型ピンセット

Also Published As

Publication number Publication date
US20100096871A1 (en) 2010-04-22
DE602009001169D1 (de) 2011-06-09
ATE507510T1 (de) 2011-05-15
US7938469B2 (en) 2011-05-10
FR2937430B1 (fr) 2010-12-31
FR2937430A1 (fr) 2010-04-23
EP2177961A1 (de) 2010-04-21

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