US3921478A - Tool, such as a pair of pliers or scissors - Google Patents

Tool, such as a pair of pliers or scissors Download PDF

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Publication number
US3921478A
US3921478A US537115A US53711574A US3921478A US 3921478 A US3921478 A US 3921478A US 537115 A US537115 A US 537115A US 53711574 A US53711574 A US 53711574A US 3921478 A US3921478 A US 3921478A
Authority
US
United States
Prior art keywords
band
handles
tool
handle
slots
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.)
Expired - Lifetime
Application number
US537115A
Other languages
English (en)
Inventor
Goran Ygfors
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YGFORS TRADING AB
Original Assignee
YGFORS TRADING AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YGFORS TRADING AB filed Critical YGFORS TRADING AB
Application granted granted Critical
Publication of US3921478A publication Critical patent/US3921478A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3201—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/12—Handle constructions characterised by material or shape electrically insulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors
    • B26B13/12—Hand shears; Scissors characterised by the shape of the handles
    • B26B13/14—Hand shears; Scissors characterised by the shape of the handles without gripping bows in the handle

Definitions

  • ABSTRACT A tool, such as a pair of pliers or scissors, with handles, between the outer ends of which a spring band of plastic material is removably attached to keep the handles apart and thereby to keep the tool open.
  • Each handle is provided with a hole and a guiding slot for attachment therein of the ends of the spring band, said ends having a shape corresponding to the shape of said holes and slots, whereby said guiding slots will force the spring band to be are formed in the longitudinal direction between the handles.
  • the present invention relates to a tool, such as a pair of pliers or scissors; and in particular it relates to a new and improved spring arrangement between the too handles.
  • a helical spring located between the tool handles or a leaf spring located along the handles or a rubber tube, into the ends of which the handles are inserted.
  • a helical spring is expensive and requires a complicated arrangement for the attachment of the spring ends to the tool. Therefore, a helical spring can not be exchangeable.
  • a leaf spring arranged along the handles must be strong and have a small action area to open the tool.
  • a rubber tube is easy to exchange, but the spring force of the rubber tube will be weak, as the dimensions of the tube must be adapted to the size of the tool to make the tool easy to handle.
  • a tool such as a pair of pliers or scissors, wherein the disadvantages of the prior art are overcome.
  • a tool such as a pair of pliers or scissors, comprising a spring band of plastic material, said band being removably arranged between the tool handles.
  • the outer ends of the handles are each provided with a hole and a guiding slot extending from said hole and slot on the outer end surface of the handle.
  • the ends of said spring band have a shape corresponding to said hole and guiding slot and are removably inserted into said holes and guiding slots, whereby the guiding slots will force the band to be are formed in the longitudinal direction between the handles.
  • FIGS. 1 and 2 are different side elevational views of a tool, a pair of pliers, constructed in accordance with the present invention.
  • FIGS. 3 and 4 are different side elevational views of a spring band as a part of the pair of pliers according to FIGS. 1 and 2.
  • FIG. 5 shows a section at the line V-V of FIG. 1.
  • a pair of pliers with straight shanks which are jointed by a pivot 1, said shanks forming plier jaws 2 and 4 respectively and handle portions 3 and 5 respectively on each side of said pivot l.
  • the shanks 2-5 are preferably made of steel or some other suitable metal.
  • a handle 6 and 7 respectively is arranged, said handle 6 and 7 respectively being made of a preferably sufficiently strong and rigid plastic material, such as glass-fibre-reinforced plastic.
  • Said handles 6,7 are near their outer ends provided with substantially cylindrical holes 8,9 which are parallel to the longitudinal direction of the pivot 1. From each hole 8,9 a guiding slot 10 and 11 respectively extends, said guiding slot being directed in the longitudinal direction of the handle and opening on the outer end surface 12 and 13 respectively of the handle.
  • a spring band 14 of a preferably elastic plastic material such as for example a material which is sold under the trademark Rilsan Plastic and which is based on ricinium oil, is removably arranged between the handles 6,7.
  • the band 14 is straight, when uninfluenced, as is shown in FIGS. 3 and 4, and its ends have the shape of substantially cylindrical beads 15,16, said beads having substantially the same diameter as the holes 8,9.
  • the parts 17,18 of the band adjacent to the beads have the same thickness as the widths of the guiding slots. Said parts 17,18 are on their sides provided with central grooves 19,20 in the longitudinal direction of the band.
  • On the opposite sides of the guiding slots 10,11 of the handles there is a central ridge 21,22 extending in the longitudinal direction of the handles, as is seen in FIG. 5.
  • the band can be inserted with either longitudinal edge turned upwards in FIGS. 1 and 2.
  • the spring band 14 On the middle of the spring band 14 there is provided a reinforcing part with inclined ends 23. Thereby the force of the band 14 to bring and keep the handles apart till be stronger, when the band is inserted in such a way, that the reinforcing part 23 is situated on the inside of the band, as is shown in FIG. 1, than when the band is inserted with the reinforcing part situated on the outside of the band.
  • one band can give a stronger or weaker spring force to keep the handles apart depending on how the band is inserted.
  • the beads 15,16 of the spring band 14 are inserted in the holes 8 and 9 respectively of the handles at the same time as the parts 17,18 of the band are pressed into the guiding slots 10 and 11 respectively of the handles.
  • the band is thereby forced by the guiding slots to be bent in arc form with a smaller radius of curvature near the handle and a substantially greater radius of curvature for the middle portion of the band.
  • the spring band is attached to the pliers by the engagement of the ridges 21,22 in the grooves 19,20 of the band, whereby the band will be safely attached to the tool and also can be easily inserted into and removed from the handles when exchanged due to for example damage or a need for a stronger or weaker band.
  • a tool such as a pair of pliers or scissors, with shanks jointed by a pivot, said shanks forming jaws and handle portions, each of said handle portions carrying a handle, between the outer ends of which a spring band of a plastic material is removably arranged and working to keep the tool jaws open, said handles at their outer ends being provided with a substantially cylindrical hole parallel to said pivot, and a guiding slot extending from each of said holes and slots to the outer end surfaces of each respective handle to receive said spring band, the ends of said band having the shape of substantially cylindrical beads and having a part adjacent to the beads with a thickness corresponding to the widths of said guiding slots, said beads and adjacent parts of the spring band being inserted in the hole and guiding slots of each handle, said slots keeping the 4 spring band bent in arc form in the longitudinal direction thereof between the handles.
  • each of the slots of the handles on their opposite side walls are provided with a central ridge or groove in the longitudinal direction of the handle, and in which said adjacent parts of the spring band are provided with central grooves or ridges, respectively, on each side and in the longitudinal direction of the band for removable engagement of said ridges in said grooves.
  • a tool according to claim 1 in which the middle part of said spring band at one side thereof is provided with a reinforcing part of increased thickness, whereby the spring force of the spring band will have different strength when the band is bent, depending on whether said reinforcing part is located at the outside or the inside of the band.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Forests & Forestry (AREA)
  • Pathology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Package Frames And Binding Bands (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Scissors And Nippers (AREA)
US537115A 1974-01-18 1974-12-30 Tool, such as a pair of pliers or scissors Expired - Lifetime US3921478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7400680A SE379663B (de) 1974-01-18 1974-01-18

Publications (1)

Publication Number Publication Date
US3921478A true US3921478A (en) 1975-11-25

Family

ID=20319952

Family Applications (1)

Application Number Title Priority Date Filing Date
US537115A Expired - Lifetime US3921478A (en) 1974-01-18 1974-12-30 Tool, such as a pair of pliers or scissors

Country Status (8)

Country Link
US (1) US3921478A (de)
AT (1) AT341456B (de)
CA (1) CA1018339A (de)
CH (1) CH575810A5 (de)
DE (2) DE2501417C3 (de)
FR (1) FR2258249B1 (de)
GB (1) GB1450756A (de)
SE (1) SE379663B (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800880A (en) * 1984-09-26 1989-01-31 Catalano J Denis Surgical needle holder
US4949717A (en) * 1988-03-17 1990-08-21 Shaw Edward L Surgical instrument with suture cutter
US5498095A (en) * 1994-05-19 1996-03-12 Snap-On Incorporated Press fitted flexural pivot joint
US5720103A (en) * 1996-11-01 1998-02-24 Heritage Cutlery, Inc. Self-opening finger inserts for scissors and shears
US5813417A (en) * 1997-10-07 1998-09-29 Rudolph; James M. Hair cutting method
US6263770B1 (en) * 1998-02-27 2001-07-24 Bost Garnache Industries Tool comprising a damping and/or opening spring
FR2852814A1 (fr) * 2003-03-31 2004-10-01 Philippe Marc Paoli Instrument chirurgical a branches pivotantes et son procede de fabrication
US20040236883A1 (en) * 1998-07-21 2004-11-25 Houg Todd C. System for determining status of multiple interlocking FIFO buffer structures based on the position of at least one pointer of each of the multiple buffers
US20080178472A1 (en) * 2006-10-25 2008-07-31 Wmf Wurttembergische Metallwarenfabrik Ag Scissors
US20120132040A1 (en) * 2010-11-30 2012-05-31 Jeffrey Mastroianni Pivoting-lever hand tool with resilient closed-loop handle
US20140259688A1 (en) * 2013-03-13 2014-09-18 Tweezerman International, Llc Self-Opening Nipper and Method for Manufacturing Self-Opening Nipper
US20140325846A1 (en) * 2013-05-03 2014-11-06 Muhammad A. Hussain Baby Safe Trimming Tool
US20150313618A1 (en) * 2012-12-13 2015-11-05 Kaoru Horikawa Medical instrument
CN105769347A (zh) * 2016-04-07 2016-07-20 苏州瑞华医院有限公司 骨科手臂固定器
WO2019002347A1 (de) * 2017-06-27 2019-01-03 Aesculap Ag Medizinisches handinstrument mit reinigungsoptimiertem federelement
US10259130B2 (en) * 2017-04-24 2019-04-16 Yoshikazu Wada Hand-operated tool lock mechanism
WO2020023024A1 (en) * 2018-07-24 2020-01-30 Vitalchains Corporation Surgical staple remover
WO2022248415A1 (de) * 2021-05-26 2022-12-01 Aesculap Ag Medizinisches instrument mit reinigungsoptimierter federeinheit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE429935B (sv) * 1979-03-19 1983-10-10 Bahco Verktyg Ab Grepphylsa av plast for en skenkel pa en tang
GB2157223B (en) * 1984-03-19 1987-10-28 Tallord Limited Hand tool for extraction of electronic components from sockets
US5522290A (en) * 1994-04-18 1996-06-04 Visser; Steven C. Compliant pliers
US5625931A (en) * 1995-08-16 1997-05-06 Visser; Steven C. Resilient clamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664613A (en) * 1900-08-25 1900-12-25 Jonathan Badger Scissors.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664613A (en) * 1900-08-25 1900-12-25 Jonathan Badger Scissors.

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800880A (en) * 1984-09-26 1989-01-31 Catalano J Denis Surgical needle holder
US4949717A (en) * 1988-03-17 1990-08-21 Shaw Edward L Surgical instrument with suture cutter
US5498095A (en) * 1994-05-19 1996-03-12 Snap-On Incorporated Press fitted flexural pivot joint
US5720103A (en) * 1996-11-01 1998-02-24 Heritage Cutlery, Inc. Self-opening finger inserts for scissors and shears
US5813417A (en) * 1997-10-07 1998-09-29 Rudolph; James M. Hair cutting method
US6263770B1 (en) * 1998-02-27 2001-07-24 Bost Garnache Industries Tool comprising a damping and/or opening spring
US20040236883A1 (en) * 1998-07-21 2004-11-25 Houg Todd C. System for determining status of multiple interlocking FIFO buffer structures based on the position of at least one pointer of each of the multiple buffers
US7424557B2 (en) 1998-07-21 2008-09-09 Micron Technology, Inc. System for determining status of multiple interlocking FIFO buffer structures based on the position of at least one pointer of each of the multiple buffers
FR2852814A1 (fr) * 2003-03-31 2004-10-01 Philippe Marc Paoli Instrument chirurgical a branches pivotantes et son procede de fabrication
US20080178472A1 (en) * 2006-10-25 2008-07-31 Wmf Wurttembergische Metallwarenfabrik Ag Scissors
US20120132040A1 (en) * 2010-11-30 2012-05-31 Jeffrey Mastroianni Pivoting-lever hand tool with resilient closed-loop handle
US20150313618A1 (en) * 2012-12-13 2015-11-05 Kaoru Horikawa Medical instrument
US9931130B2 (en) * 2012-12-13 2018-04-03 Charmant Co., Ltd. Medical instrument
US20140259688A1 (en) * 2013-03-13 2014-09-18 Tweezerman International, Llc Self-Opening Nipper and Method for Manufacturing Self-Opening Nipper
US20140325846A1 (en) * 2013-05-03 2014-11-06 Muhammad A. Hussain Baby Safe Trimming Tool
CN105769347A (zh) * 2016-04-07 2016-07-20 苏州瑞华医院有限公司 骨科手臂固定器
US10259130B2 (en) * 2017-04-24 2019-04-16 Yoshikazu Wada Hand-operated tool lock mechanism
WO2019002347A1 (de) * 2017-06-27 2019-01-03 Aesculap Ag Medizinisches handinstrument mit reinigungsoptimiertem federelement
WO2020023024A1 (en) * 2018-07-24 2020-01-30 Vitalchains Corporation Surgical staple remover
WO2022248415A1 (de) * 2021-05-26 2022-12-01 Aesculap Ag Medizinisches instrument mit reinigungsoptimierter federeinheit

Also Published As

Publication number Publication date
SE7400680L (de) 1975-07-21
AU7691774A (en) 1976-07-01
FR2258249B1 (de) 1978-12-22
ATA27075A (de) 1977-05-15
AT341456B (de) 1978-02-10
DE7500993U (de) 1977-02-03
DE2501417C3 (de) 1979-10-11
DE2501417A1 (de) 1975-07-24
FR2258249A1 (de) 1975-08-18
CH575810A5 (de) 1976-05-31
GB1450756A (en) 1976-09-29
CA1018339A (en) 1977-10-04
DE2501417B2 (de) 1979-02-22
SE379663B (de) 1975-10-20

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