WO1999029475A1 - Schere - Google Patents
Schere Download PDFInfo
- Publication number
- WO1999029475A1 WO1999029475A1 PCT/DE1998/003567 DE9803567W WO9929475A1 WO 1999029475 A1 WO1999029475 A1 WO 1999029475A1 DE 9803567 W DE9803567 W DE 9803567W WO 9929475 A1 WO9929475 A1 WO 9929475A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- handle
- tang
- scissors
- longitudinal direction
- scissors according
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/22—Hand shears; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument
- B26B13/24—Hand shears; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument to aid hair cutting
Definitions
- the invention relates to scissors with two scissor halves connected in an axis of rotation, each having a cutting blade and a tang with a handle, the handle of one scissor half as a T-handle with a web projecting from the tang approximately perpendicular to the scissor plane is formed with two legs on the end of the web facing away from the tang and extending approximately in the longitudinal direction of the tang.
- the handles of a pair of scissors provided on the scissor halves are usually adapted to the hand of a user such that one handle is guided by the thumb and the other handle by the other fingers of the hand. Middle and ring fingers are often sufficient to guide one half of the scissors.
- a pair of scissors is known whose handle, which is guided by the middle and ring fingers, is designed as a T-handle.
- the web of the T-handle is clamped between the middle and ring fingers when using these scissors. Since the middle and ring fingers can be handled very sensitively, it has proven to be advantageous to provide a web that can be grasped by these fingers.
- the scissor half can be directed exactly over the web of the T-handle.
- the known scissors cannot be adapted to hands and finger strengths of different sizes.
- the fixed handles of the two scissor halves cause users, whose hands deviate from the optimal hand size for these scissors, to quickly develop painful pressure points that can easily catch fire.
- the invention has for its object to provide a pair of scissors while maintaining the advantages of the known Even with frequent use, scissors do not cause pressure points and can always be guided precisely.
- the object is achieved in that the T-handle is adjustable and lockable in the longitudinal direction of the first half of the scissors and the handle of the other half of the scissors is arranged to be stationary in the longitudinal direction of the second.
- the relative position of the handles of the two scissor halves in the longitudinal direction can be coordinated with one another in such a way that an optimal grip position can always be set for hands of different sizes and the scissors always give the user an exact feeling of the current scissor position during use.
- the T-handle In the event that the T-handle is too small or too large for a user's hand, it can be removed and replaced with a suitable T-handle.
- the T-handle is simply formed on a straw part which is connected to the tang via a tongue and groove connection.
- the straw part of the T-handle advantageously has the groove which is provided with two side walls.
- One of the walls has a through hole for a screw. Aligned with this through hole, a threaded hole for the screw is provided in the opposite wall of the groove.
- the tang slidably received in the groove of the straw part has an elongated hole which is penetrated by the screw. With the help of the screw, the two side walls of the groove of the straw part can be clamped together.
- the tang arranged in the groove is clamped by the side walls, resulting in a non-positive connection between the tang and the straw part of the T-handle.
- the handle which is fixed in the longitudinal direction of the tang, is designed as a twist grip, which is one in the scissor plane and transverse to the longitudinal direction of the Erls extending axis is rotatable.
- the twist grip improves the ergonomics of the scissors and prevents painful pressure points on the thumb of the guide hand.
- the rotary handle is simply mounted in a straw part arranged on the tang.
- the straw part has an inner bearing in which a bearing pin attached to the rotary handle can be rotated.
- the variability of the proposed scissors can be increased if the twist grip can be locked in any rotational position.
- the twist grip can be used in two operating modes, namely freely rotatable or locked in any rotational position. The most appropriate operating mode for the current application can be set.
- a rotation limitation is provided which limits the range of rotation of the rotary handle to an angular range.
- the rotation limiter has an elongated hole provided on the straw part, the ends of which serve as stops for a pin attached to the rotary handle, which protrudes into the elongated hole.
- the user achieves particularly precise guidance of the scissors if he turns the rotary handle in such a way that the pin rests on one or the other end of the elongated hole. In this position of the rotary handle, both the scissors half guided by the thumb and the middle and ring fingers are guided exactly. If the rotary handle is in a rotary position lying between the ends of the rotary range, the other half of the scissors provided with the T-handle takes over the guiding of the scissors. On the other hand, should also be in one between the ends of the rotation range horizontal position of the twist grip allows a very direct guidance via the thumb, so the twist grip can be locked in this desired rotational position.
- the free end of the bearing pin of the twist grip penetrates the handle part and a screw is screwed into this free end, which in the tightened state causes the twist grip to be locked and allows the twist grip to be rotated with a low tightening torque.
- the twist grip is preferably of C-shaped design if the thumb should be easy to insert into the twist grip.
- the twist grip is designed as a closed grip eye, if it is important that the twist grip can be guided particularly well.
- FIG. 3 shows a sectional view of the straw part with a T-handle according to III-III from FIG. 2,
- FIG. 4 shows an individual representation of the straw part for the twist grip according to IV from FIG. 2.
- the scissors 1 consists of two scissor halves 3 and 4 connected in an axis of rotation 2, each of which has a cutting blade 5 and 6 and a tang 7 and 8 with a handle.
- each scissor half 3 and 4 On the tang 7 or 8 of each scissor half 3 and 4, a straw part 11 or 12 is provided, each carrying one of the handles.
- the handle of a pair of scissors 3 is as one-piece T-handle 9 with a web 13 projecting from the tang 7 approximately perpendicularly in the scissor plane. At the end of the web 13 facing away from the tang 7, the latter has two legs 14 and 15 which extend approximately opposite one another in the longitudinal direction of the tang 7.
- the present T-handle 9 is a one-piece plastic part.
- the handle of the other scissor half 4 is designed as a rotary handle 10 and rotatable about an axis 16 running in the scissor plane and transverse to the longitudinal direction of the tang 8.
- the rotary handle 10 also consists essentially of plastic.
- the T-handle 9 and the rotary handle 10 can also consist of a different material, for example of a die-cast metal.
- the T-handle 9 is removable and adjustable and lockable in the longitudinal direction of the tang 7 of the first half of the scissors 3.
- the adjustability is achieved via a tongue and groove connection between the straw part 11 of the T-handle 9 and the tang 7.
- the rotary handle 10 can be designed as a closed handle eye 10a or as a C-handle 10b with a shape that is open on one side.
- the straw part 11 of the T-handle 9 has the groove 17 and the tang 7 forms the associated spring.
- the groove 17 of the straw part 11 has two parallel lateral walls 17a and 17b.
- a side wall 17a of the groove 17 has a push-through hole 18 for a screw 19.
- a thread 20 for the screw 19 is provided in the other side wall 17b of the groove 17 in alignment with the push-through hole 18.
- the embodiment according to FIG. 2 provides a closure plate 20a for the thread 20 on the outside of the straw part 11, which prevents contamination and serves as a carrier for a marking means.
- Fig. 2 shows that the tang 7 received in the groove 17 of the straw part 11 has an elongated hole 21 in the scissors plane, which is penetrated by the screw 19.
- the straw part 11 is slidably connected to the tang 7 along the length of the elongated hole 21.
- the ends of the elongated hole 21 form stops 21a and 21b for the screw 19 and limit the adjustment range of the T-handle 9 along the tang 7.
- the straw part 11 of the T-handle 9 placed on the tang 7 can be easily moved on the tang 7 without screw 19.
- the screw 19 is inserted through the tang and screwed into the thread 20 of the side wall 17b of the straw part 11. Because the side walls 17a and 17b of the groove 17 are resilient, they are bent towards one another by tightening the screw 19. In this way, the tang 7 is clamped between the side walls 17a and 17b of the groove 17.
- the twist grip 10 is mounted in the straw part 11 arranged on the tang 7, which has an inner bearing 22 for this purpose.
- a bearing pin 23 is provided, which is inserted with its free end in the inner bearing 22 and is rotatably supported in this way.
- the bearing pin 23 is provided with a thread 25 for this.
- the screw 24 can be screwed into the thread 25 of the bearing pin 23 against a slight resistance. In this way, the screw 24 is secured against loss.
- the rotary handle 10 consists essentially of plastic, as mentioned. Only the bearing pin 23 is made of metal. The twist grip has been cast onto the metal bearing pin 23 using an injection molding process.
- the twist grip 10 can be locked in any rotational position via a rotation limiter 26.
- the rotation limiter 26 has an arc-shaped elongated hole 27 provided on the straw part 12 and a pin 28 attached to the rotary handle 10, which protrudes into the elongated hole 27.
- Fig. 4 shows a plan view of the straw part 12, in which the inner bearing 22 and the circular arc-shaped slot 27 of the rotation limit 26 are illustrated.
- a stopper 12a can be seen, which in the closed state of the scissor halves 3 and 4 serves as a stop for the straw part 11 and a recess 12b into which the tang 8 of the scissor half 4 is inserted.
- the connection between tang 8 and straw part 12 is designed as a press fit.
- the center point of the circular arc of the circular elongated hole 27 and the axis of rotation 29 of the rotary handle 10 are arranged concentrically to one another. In the assembled state, the pin 28 of the rotary handle 10 therefore moves on a circular path that coincides with the center line of the elongated hole 27.
- the free end of the bearing pin 23 of the twist grip 10 almost penetrates the straw part 11.
- the handle part 12 is framed in such a way that a clamping effect can be achieved by tightening the screw 24.
- the rotary handle 10 can be locked in any rotational position. With a low tightening torque of the screw 24, this allows the turning handle 10 to rotate while the scissors are in use.
- the stops 27a and 27b restrict the rotary range of the rotary handle 10 to an angular range W predetermined by the elongated hole 27.
- Scissors axis of rotation scissors half scissors half cutting blade cutting blade Erl Erl T-handle rotary handle a handle eye b C-handle handle part handle part a stop bar leg leg axis groove a side wall b side wall through hole screw thread slot hole a stop b stop bottom bracket bearing bolt screw thread rotation limit circular elongated hole a stop b stop pin angular range
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/555,041 US6249977B1 (en) | 1997-12-06 | 1998-12-03 | Scissors |
EP98966506A EP1035954B1 (de) | 1997-12-06 | 1998-12-03 | Schere |
DE59801355T DE59801355D1 (de) | 1997-12-06 | 1998-12-03 | Schere |
JP2000524109A JP3518805B2 (ja) | 1997-12-06 | 1998-12-03 | 鋏 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19754207.7 | 1997-12-06 | ||
DE19754207A DE19754207A1 (de) | 1997-12-06 | 1997-12-06 | Handgeführte Schere mit neuer Griffstruktur |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999029475A1 true WO1999029475A1 (de) | 1999-06-17 |
Family
ID=7850992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/003567 WO1999029475A1 (de) | 1997-12-06 | 1998-12-03 | Schere |
Country Status (8)
Country | Link |
---|---|
US (1) | US6249977B1 (de) |
EP (1) | EP1035954B1 (de) |
JP (2) | JP3518805B2 (de) |
KR (1) | KR100377428B1 (de) |
CN (1) | CN1092099C (de) |
DE (2) | DE19754207A1 (de) |
ES (1) | ES2162494T3 (de) |
WO (1) | WO1999029475A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29805836U1 (de) * | 1998-03-31 | 1999-03-18 | Kretzer Gmbh & Co Johann | Scherenhälfte für eine Handschere |
FR2797606B1 (fr) | 1999-08-16 | 2002-02-01 | Michel Droin | Paire de ciseaux ergonomique |
US6883238B1 (en) | 2003-09-08 | 2005-04-26 | Khiem Tran | Hairstyling scissors |
US7596870B2 (en) * | 2004-03-02 | 2009-10-06 | Leatherman Tool Group, Inc. | Folding multipurpose tool with shears and comfortable handles |
US7424778B2 (en) * | 2004-03-16 | 2008-09-16 | Brenton Billy H | Adjustable thumb ringlet for pivoted cutting instruments |
WO2006034252A2 (en) * | 2004-09-20 | 2006-03-30 | Acme United Corporation | Scissors with handle opening overmold and ribbing |
JP2006087729A (ja) * | 2004-09-24 | 2006-04-06 | Reox:Kk | 鋏 |
US20060064879A1 (en) * | 2004-09-30 | 2006-03-30 | Lauritzen Pamela S | Adjustable ergonomic scissors |
US7353736B2 (en) | 2005-07-27 | 2008-04-08 | Leatherman Tool Group, Inc. | Enhanced multi-function hand tool |
US20100293792A1 (en) * | 2005-12-15 | 2010-11-25 | Takuya Ishida | Ergonomic Shears |
US20090158598A1 (en) * | 2005-12-15 | 2009-06-25 | Takuya Ishida | Ergonomic Shears |
US7464474B2 (en) * | 2005-12-15 | 2008-12-16 | Takuya Ishida | Ergonomic shears |
US7966733B2 (en) * | 2007-01-19 | 2011-06-28 | Dong Ho Jun | Scissors with a ringlet |
US20080216326A1 (en) * | 2007-03-09 | 2008-09-11 | Leatherman Tool Group, Inc. | Multipurpose hand tool with rotatable handle |
EP1982577B1 (de) * | 2007-04-19 | 2011-06-29 | Black & Decker, Inc. | Griffverriegelungmechanismus |
US20100083509A1 (en) * | 2007-09-12 | 2010-04-08 | Grist Elizabeth A | Folding scissors |
US20090151170A1 (en) * | 2007-12-18 | 2009-06-18 | Corona Clipper, Inc. | Multi-function hand operated pruning clippers |
CN101482639B (zh) * | 2008-01-09 | 2012-12-19 | 鸿富锦精密工业(深圳)有限公司 | 镜头模组拆卸工具及方法 |
US20090277019A1 (en) * | 2008-05-06 | 2009-11-12 | Mueller Kerry M | Child resistant safety scissor |
US20100242289A1 (en) * | 2009-03-30 | 2010-09-30 | Scott Roskam | Scissors utilizing a flexible and detachable thumb ring connection |
US8176638B2 (en) * | 2009-07-22 | 2012-05-15 | Hann Abbe J | Ergonomic scissors |
TW201119814A (en) * | 2009-12-08 | 2011-06-16 | Nusharp Inc | Grip structure for a pair of scissors |
US8726522B2 (en) * | 2010-10-04 | 2014-05-20 | Nusharp Inc. | Pair of scissors with an open second handle |
US20120150198A1 (en) * | 2010-12-14 | 2012-06-14 | Alex Galyuk | Ergonomically Correct Needle Holder |
US9421690B2 (en) | 2011-07-25 | 2016-08-23 | Shear Innovators, LLC | Ergonomic cutting shears |
US8950075B2 (en) | 2012-03-07 | 2015-02-10 | Allprofessional Mfg. Co., Ltd | Compound action snips |
US9027253B2 (en) * | 2012-03-07 | 2015-05-12 | Allprofessional Mfg. Co., Ltd | Compound action snips |
AU2013203870B2 (en) * | 2012-09-06 | 2014-07-24 | Philip Alan Jensen | Hand held instrument |
US9999978B2 (en) * | 2012-12-18 | 2018-06-19 | Isao AWAUCHI | Hairstyling scissors |
JP5778712B2 (ja) * | 2013-04-09 | 2015-09-16 | 株式会社ヒカリ | 鋏 |
US9393706B2 (en) | 2013-05-17 | 2016-07-19 | Qscissors, Inc. | Slide operated scissors |
US9855035B2 (en) * | 2014-08-21 | 2018-01-02 | Seton Healthcare Family | Grasping apparatuses for holding needles and related methods |
US20180099426A1 (en) * | 2016-10-07 | 2018-04-12 | Brian Richie Designs Incorporated | Ergonomic Cutting Tool |
US10264949B2 (en) * | 2017-05-01 | 2019-04-23 | Kristel K. Geldrich | Finger engagement assembly for securing and manipulating a handheld dental tool in a user's hand |
USD959943S1 (en) * | 2019-11-11 | 2022-08-09 | Tracey C. Burnap | Open shear handle |
USD938246S1 (en) * | 2019-12-13 | 2021-12-14 | Mario Milinovic | Scissors |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2158277A (en) * | 1937-11-02 | 1939-05-16 | Dolph Verp Harlan | Shears |
GB2014502A (en) * | 1978-01-18 | 1979-08-30 | Hawkins R N | Improvements in or relating to shears |
US4642895A (en) * | 1985-11-04 | 1987-02-17 | Gauvry Glenn A | Scissors with adjustable thumb loop |
EP0244829A1 (de) * | 1986-05-09 | 1987-11-11 | Pietro Poggetti | Schere |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1262303A (en) * | 1917-03-28 | 1918-04-09 | Peter Broadbooks | Shears and wire-cutter. |
US4742617A (en) * | 1987-05-28 | 1988-05-10 | Gauvry Glenn A | Scissors having an obliquely oriented thumb loop with limited dampened flexibility |
DE3813273A1 (de) * | 1988-04-20 | 1989-11-02 | Jaguar Stahlwarenfabrik Gmbh | Schere |
US5007170A (en) * | 1989-03-14 | 1991-04-16 | Nt Incorporated | Scissors for both right and left hand use |
FR2648384B1 (fr) * | 1989-06-14 | 1994-08-12 | Fernandes Patrick | Ciseaux, notamment pour coiffeurs |
US5125159A (en) * | 1989-08-14 | 1992-06-30 | Brenton Billy H | Interchangeable ringlets for pivoted cutting and grasping instruments |
US5469624A (en) * | 1989-08-14 | 1995-11-28 | Brenton; Billy H. | Interchangeable thumb ringlets for pivoted cutting and grasping instruments |
US5060381A (en) * | 1990-08-13 | 1991-10-29 | Taberlet Jean Jacques | Pair of scissors, in particular for use in the cutting of hair |
US5463814A (en) * | 1994-09-19 | 1995-11-07 | General Housewares Corp. | Shears |
US5517761A (en) * | 1995-01-19 | 1996-05-21 | Wang; Ming-Lu | Scissors with an identification attachment |
US5781999A (en) * | 1997-03-07 | 1998-07-21 | Chang; Meng Cheng | Thinning scissors |
-
1997
- 1997-12-06 DE DE19754207A patent/DE19754207A1/de not_active Withdrawn
-
1998
- 1998-12-03 KR KR10-2000-7003920A patent/KR100377428B1/ko not_active IP Right Cessation
- 1998-12-03 DE DE59801355T patent/DE59801355D1/de not_active Expired - Lifetime
- 1998-12-03 CN CN98811547A patent/CN1092099C/zh not_active Expired - Fee Related
- 1998-12-03 ES ES98966506T patent/ES2162494T3/es not_active Expired - Lifetime
- 1998-12-03 WO PCT/DE1998/003567 patent/WO1999029475A1/de active IP Right Grant
- 1998-12-03 EP EP98966506A patent/EP1035954B1/de not_active Expired - Lifetime
- 1998-12-03 JP JP2000524109A patent/JP3518805B2/ja not_active Expired - Fee Related
- 1998-12-03 US US09/555,041 patent/US6249977B1/en not_active Expired - Fee Related
-
2003
- 2003-12-01 JP JP2003401609A patent/JP2004113820A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2158277A (en) * | 1937-11-02 | 1939-05-16 | Dolph Verp Harlan | Shears |
GB2014502A (en) * | 1978-01-18 | 1979-08-30 | Hawkins R N | Improvements in or relating to shears |
US4642895A (en) * | 1985-11-04 | 1987-02-17 | Gauvry Glenn A | Scissors with adjustable thumb loop |
EP0244829A1 (de) * | 1986-05-09 | 1987-11-11 | Pietro Poggetti | Schere |
Also Published As
Publication number | Publication date |
---|---|
KR20010040258A (ko) | 2001-05-15 |
JP2001525236A (ja) | 2001-12-11 |
CN1092099C (zh) | 2002-10-09 |
US6249977B1 (en) | 2001-06-26 |
JP2004113820A (ja) | 2004-04-15 |
KR100377428B1 (ko) | 2003-03-26 |
EP1035954B1 (de) | 2001-08-29 |
CN1280533A (zh) | 2001-01-17 |
DE59801355D1 (de) | 2001-10-04 |
DE19754207A1 (de) | 1999-06-10 |
JP3518805B2 (ja) | 2004-04-12 |
EP1035954A1 (de) | 2000-09-20 |
ES2162494T3 (es) | 2001-12-16 |
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