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US2347956A - Cable sheath cutting and stripping tool - Google Patents

Cable sheath cutting and stripping tool Download PDF

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Publication number
US2347956A
US2347956A US47505743A US2347956A US 2347956 A US2347956 A US 2347956A US 47505743 A US47505743 A US 47505743A US 2347956 A US2347956 A US 2347956A
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Prior art keywords
tool
members
cable
cutting
sheathing
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Expired - Lifetime
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Earl P Lansing
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Earl P Lansing
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1202Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
    • H02G1/1204Hand-held tools
    • H02G1/1229Hand-held tools the cutting element making a longitudinal, and a transverse or a helical cut

Description

y 1944- E. P. LANSING 2,347,956

v CABLE SHEATH CUTTING AND STRIPPING TOOL Filed Fb. 6, 1943 2/ EdrZPZa/nainy INVENTOR av %;@2m'%.

ATTORNEYS Patented May 2, 1944 UNITED PATENT FFICE CA'BLE SHEATH CUTTING'AND STRIPPING Earl P. Lansing, New Orleans, La.

Application February 6, 1943, Serial No. 475,057

4 Claims.

trical cables of any kind, in that it includes knife members for severingwhe sheathing circumferentiallyabout the cable, as well as longitudinally thereof, so that the sheathing between the circumferential or transverse cuts can be readily removed.

A further object is to provide a sheath stripping tool that includes adjustable knife members, so that the tool is capable of performing its intended function on cables of various diameters.

Another object is to provide a tool of the character set forth, that is simple in construction, inexpensive to manufacture and extreme y emcient in operation, use and service.

This invention also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafter fully described, illustrated in the accompanying. drawing and specifically pointed out in the appended claims.

In describing the invention in detail, reference will be had to the accompanying drawing wherein like characters denote like or corresponding parts throughout the several views, and in which:

Figure 1 is a side elevation of my tool, with parts broken away and in section and illustrates the tool applied to two cables of difierent diameters.

Figure 2 is a top plan view of the tool in use.

Figure 3 is a sectional view taken approximately on line 3-3 of Figure 2, looking in the direction of the arrows.

Figure 4 is a sectional view taken approximately on line 4-4 of Figure 2, looking in the direction of the arrows.

Figure 5 is a perspective view of the knife member for cutting the sheathing circumferentially or radially of the cable.

Figure 6 is a detail view illustrating the lateral curvature of the blades of the tool Referring to the drawing in detail, it will be noted that my tool includes-a pair of elongated duced end portions 3 and 4 are preferably fiat as shown, for disposal in engagement .with each other, and the reduced end portions 4 provide handles for the device, to bring about said movement. The side and outer faces of the end portions or handles 4 are preferably rounded to pro vide a convenient gripping surface, as will be apparent.

The enlarged central portions 8 and 9 are each provided with a pair of arcuate recesses in the confronting faces thereof, and the recesses of the member I are indicated by the reference numerals l0 and H, while the recesses of the member 2 are indicated by the numerals l2 and i3, and the recesses are arranged along the length of said members for the recess ill to register with the' recess I 2 and the recess H with therecess I3.

, best shown in Figure 1.

companion members I and 2 that have reduced end portions 3 and 4. The portion 3 of the mem-- ber l terminates at its outer end into spaced apertured ears 5, while the portion 3 of the other member is formed centrally at its outer end, with an ear 6 disposed between the ears 5 and pivotally, connected thereto by a pin 1 for swinging movement of the members toward and away from each other, as will be apparent upon inspection of Figure 1. The confronting faces of the re- The recesses provide what may be termed jaws, but in any event they are for the purpose of receiving the cables therein, as best shown in Figure 1, and the enlarged central portion 8 in the form shown, is provided with three square cornered bores, indicated respectively by the and the latter bores are disposed at an angle to each other, or in other words in converging relation from their outer to their inner ends, as

The portion 9 is likewise provided with a square cornered bore I1 extending from its outer face and opening into the recess l3, midway its ends.

Fitting and mounted for slidable adjustment in the bore I 4 is the shank l8 of a knife member that includes a blade l9 which is beveled to a convexed cutting edge 20 directed toward the handles and to a concaved cutting edge 20' opposing the edge 20, as clearly shown in Figures 1 and 5. However, the edge opposing the convexed cutting edge 20 may be straight instead of concaved. In any event the blade extends into the recess 10- for cutting the sheathing circumferentially or radially of the cable, upon rotation of;

the tool in either a clockwise or counterclockwise direction, it depending upon the type of cable upon which the tool is to be used. The

blade I9 is preferably also curved laterally, as best shown in Figure 3, so that the. cut through the'sheathing will be made at an inclined angle tending into the recess l3, for cooperationwith the blades 22 for cutting or slitting the sheathing longitudinally, when the tool is drawn along the length of the cable, as will be apparent upon inspection oi Figure 4. The blades 22 and 24 are each likewise beveled to provide a convexed cutting edge and a concaved cutting edge opposite to the convexed edge, and these blades may also be curved laterally, as shown at 22' and 24 of Figure 6, to undercut the sheathing.

The knife members are held in adjusted positions by set screws 25 that are threaded through one of the sides of the members I and 2 for engagement with the shanks, with the result it will be seen that-the knife members can be adjusted 1 to bring about cutting of the sheathing at any desired depth on cables of various diameters.

In order to center small cables relative to the recess I 3, to bring about straight longitudinal slits in the sheathing thereof, I provide a pair of beaded studs 26 that are mounted for slidable movement in bores 21 disposed upon opposite sides of the bore I1, and which have enlarged outer end portions providing shoulders for receiving the heads 28 to limit inward movement of the studs. Thestuds are held in their innermost position for receiving the cable between the same, as indicated in dotted lines in Figure l, by leaf springs 29 that have one of their ends fixed to the outer face of the member-2 and their opposite end portions are bent at an angle to the remaining portions, with the bent portions 30 extending into the bores 21 and engaged with the heads. By that construction, it will be seen that a cable of a diameter that will fit between the studs 26 will be held thereby centrally of the recess I3 for the purpose set forth, but cables of a larger diameter will engage the inner ends of the studs and move .the same outwardly against the action of the springs 29, for the blade 24 to penetrate the sheathing thereof, as will be apparent.

From the above description and disclosure in the drawing, it is believed that the use of my tool will be obvious, but it might bementioned that when it is desired to remove the sheeting from a portion of a cable, such as indicated by one of their ends, handles provided by the opposite end portions of said members, said members having recessed flat confronting. faces for disposal in engagement with each other and the recesses providing cable receiving jaws, cutting means adjustably mounted'relative. to the jaws for severing the cable sheathing, means for securing the cutting means in adjusted positions, and means for centering a cable relative to one of the recesses.

2. In a tool for use in cutting and stripping sheathing from electric cables, a pair of elongated companion members pivoted together at one of their ends, handles provided by the opposite end portions of said members, said members having recessed fiat confronting faces for disposal in engagement with each other and the recesses providing cable receiving jaws, cuttingsheathing from electric cables, a pair of elongated companion members pivoted together at one of their ends, handles provided at the opposite end portions of said members, said members having recessed fiat confronting faces for disposal in engagement with each other, the re- "cesses being of arcuat formation and disposed the letter A, the tool is applied to the cable for disposal of the latter into the recess i2. The members i and 2 are then moved toward each other for the blade l9 to penetrate the sheathing,

and at the same time the tool is rotated about the cable to complete one radial cut. The second radial cut is made in the same manner. The tool is then shifted for disposal of the cable in the recess it, for the blades 22 and 24 to cut or slit the sheathing longitudinally between the radial cuts. The cut layer or layers of sheathing can then be readily removed in three strips when out by the tool shown, due to the fact that it includes three longitudinal cutting blades 22 and 25, but a tool including any number of longitudinal cutting blades may be provided, and in the event the tool includes only two of such blades. they will be disposed diametrically opposite each other.

It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent.

It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.

What I claim is:

' 1. In a tool for use in cutting and stripping sheathing from electric cables, a pair of elongated companion members pivoted together at in registration with each other to provide cable receiving jaws, one of said members having a squ'arecornered bore opening into its recess, a knife member including a shank fitting and mounted for slidable adjustment in said bore, a blade formed on the shank and extending into the last mentioned recess, said blade having opposed cutting edges, one edge being convexed and registration with each other to provide cable recei ng jaws, one of said members having a pair I of s uare cornered bores extending from the outer face thereof in converging relation and opening into its recess, the other member having a square cornered bore extending from the outer face thereof and opening into its recess, knife members including shanks fitting and mounted for slidable movement in the bores, blades formed on the shanks and extending into the recesses, the blades each having opposed cutting edges, means for securing the knife members in adjusted positions and engageable with th" shanks thereof, and spring pressed parallel arranged headed studs slidably mounted through the last mentioned member for disposal in the recess thereof and said studs adapted to receive a cable between the same to center the cable relative to the recesses.'

' EARL P. LANSING.

US2347956A 1943-02-06 1943-02-06 Cable sheath cutting and stripping tool Expired - Lifetime US2347956A (en)

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Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419511A (en) * 1945-01-05 1947-04-22 Jr Charles S Vaughan Cable stripper
US2468407A (en) * 1944-07-03 1949-04-26 Pifer Jerome Howard Electrical marine cable slitting device
US3178926A (en) * 1963-04-02 1965-04-20 Thomas & Betts Corp Tool for crimping electrical conductors
US3199334A (en) * 1961-12-11 1965-08-10 Marion B Holmes Crimping tool
US3279058A (en) * 1965-04-14 1966-10-18 Burndy Corp Electrical cable insulation slitting tool
US3474517A (en) * 1967-04-06 1969-10-28 Gen Cable Corp Method and apparatus for preparing cross - linked polyethylene cables for terminations and splices
US3914864A (en) * 1974-08-02 1975-10-28 Jack Henry Prince Jacketed wire layer removing tool
US4083105A (en) * 1975-09-05 1978-04-11 Ideal Industries, Inc. Wire strippers
US4179964A (en) * 1976-01-27 1979-12-25 K-G Devices Corporation Ribbon cable splitting device
US4490908A (en) * 1982-04-09 1985-01-01 Associated Enterprises, Inc. Wire stripper and method
US4599794A (en) * 1984-04-07 1986-07-15 Takashi Moriyama Apparatus for baring electric cables
EP0251704A2 (en) * 1986-06-25 1988-01-07 Diaz de Guerenu Aguirrebeitia, Pablo Apparatus for stripping electrical cables and the like
US6023844A (en) * 1996-03-25 2000-02-15 Alcatel Na Cable Systems, Inc. Method and cutting blade for accessing optical fibers within a buffer tube
US20040159197A1 (en) * 2003-02-13 2004-08-19 Kevin Forsberg Apparatus and method for cutting cables and wires
US20070067996A1 (en) * 2005-09-26 2007-03-29 Chang Ming C Multifunctional wire stripper
US20080020692A1 (en) * 2006-07-22 2008-01-24 Martin Daniel M Utensil for opening a shell of a crustacean
US20100294105A1 (en) * 2001-08-31 2010-11-25 Quill Medical, Inc. Method for variable-angle cutting of a suture to create tissue retainers of a desired shape and size
US20100298871A1 (en) * 2004-05-14 2010-11-25 Quill Medical, Inc. Self-retaining wound closure device including an anchoring loop
US8032996B2 (en) 2003-05-13 2011-10-11 Quill Medical, Inc. Apparatus for forming barbs on a suture
US8083770B2 (en) 2002-08-09 2011-12-27 Quill Medical, Inc. Suture anchor and method
US8246652B2 (en) 1993-05-03 2012-08-21 Ethicon, Inc. Suture with a pointed end and an anchor end and with equally spaced yieldable tissue grasping barbs located at successive axial locations
US8460338B2 (en) 2008-02-25 2013-06-11 Ethicon, Inc. Self-retainers with supporting structures on a suture
US20130326882A1 (en) * 2012-06-06 2013-12-12 Milwaukee Electric Tool Corporation Hand tool including a wire strippers
US8615856B1 (en) 2008-01-30 2013-12-31 Ethicon, Inc. Apparatus and method for forming self-retaining sutures
US8641732B1 (en) 2008-02-26 2014-02-04 Ethicon, Inc. Self-retaining suture with variable dimension filament and method
US8721681B2 (en) 2002-09-30 2014-05-13 Ethicon, Inc. Barbed suture in combination with surgical needle
US8734485B2 (en) 2002-09-30 2014-05-27 Ethicon, Inc. Sutures with barbs that overlap and cover projections
US8747437B2 (en) 2001-06-29 2014-06-10 Ethicon, Inc. Continuous stitch wound closure utilizing one-way suture
US8771313B2 (en) 2007-12-19 2014-07-08 Ethicon, Inc. Self-retaining sutures with heat-contact mediated retainers
US8777987B2 (en) 2007-09-27 2014-07-15 Ethicon, Inc. Self-retaining sutures including tissue retainers having improved strength
US8793863B2 (en) 2007-04-13 2014-08-05 Ethicon, Inc. Method and apparatus for forming retainers on a suture
US8875607B2 (en) 2008-01-30 2014-11-04 Ethicon, Inc. Apparatus and method for forming self-retaining sutures
US8876865B2 (en) 2008-04-15 2014-11-04 Ethicon, Inc. Self-retaining sutures with bi-directional retainers or uni-directional retainers
US8916077B1 (en) 2007-12-19 2014-12-23 Ethicon, Inc. Self-retaining sutures with retainers formed from molten material
US8932328B2 (en) 2008-11-03 2015-01-13 Ethicon, Inc. Length of self-retaining suture and method and device for using the same
US8961560B2 (en) 2008-05-16 2015-02-24 Ethicon, Inc. Bidirectional self-retaining sutures with laser-marked and/or non-laser marked indicia and methods
USRE45426E1 (en) 1997-05-21 2015-03-17 Ethicon, Inc. Surgical methods using one-way suture
US9044225B1 (en) 2007-12-20 2015-06-02 Ethicon, Inc. Composite self-retaining sutures and method
US9125647B2 (en) 2008-02-21 2015-09-08 Ethicon, Inc. Method and apparatus for elevating retainers on self-retaining sutures
US9248580B2 (en) 2002-09-30 2016-02-02 Ethicon, Inc. Barb configurations for barbed sutures
US9675341B2 (en) 2010-11-09 2017-06-13 Ethicon Inc. Emergency self-retaining sutures and packaging

Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468407A (en) * 1944-07-03 1949-04-26 Pifer Jerome Howard Electrical marine cable slitting device
US2419511A (en) * 1945-01-05 1947-04-22 Jr Charles S Vaughan Cable stripper
US3199334A (en) * 1961-12-11 1965-08-10 Marion B Holmes Crimping tool
US3178926A (en) * 1963-04-02 1965-04-20 Thomas & Betts Corp Tool for crimping electrical conductors
US3279058A (en) * 1965-04-14 1966-10-18 Burndy Corp Electrical cable insulation slitting tool
US3474517A (en) * 1967-04-06 1969-10-28 Gen Cable Corp Method and apparatus for preparing cross - linked polyethylene cables for terminations and splices
US3914864A (en) * 1974-08-02 1975-10-28 Jack Henry Prince Jacketed wire layer removing tool
US4083105A (en) * 1975-09-05 1978-04-11 Ideal Industries, Inc. Wire strippers
US4179964A (en) * 1976-01-27 1979-12-25 K-G Devices Corporation Ribbon cable splitting device
US4490908A (en) * 1982-04-09 1985-01-01 Associated Enterprises, Inc. Wire stripper and method
US4599794A (en) * 1984-04-07 1986-07-15 Takashi Moriyama Apparatus for baring electric cables
EP0251704A2 (en) * 1986-06-25 1988-01-07 Diaz de Guerenu Aguirrebeitia, Pablo Apparatus for stripping electrical cables and the like
EP0251704A3 (en) * 1986-06-25 1988-11-30 Diaz de Guerenu Aguirrebeitia, Pablo Apparatus for stripping electrical cables and the like
US8246652B2 (en) 1993-05-03 2012-08-21 Ethicon, Inc. Suture with a pointed end and an anchor end and with equally spaced yieldable tissue grasping barbs located at successive axial locations
US6023844A (en) * 1996-03-25 2000-02-15 Alcatel Na Cable Systems, Inc. Method and cutting blade for accessing optical fibers within a buffer tube
USRE45426E1 (en) 1997-05-21 2015-03-17 Ethicon, Inc. Surgical methods using one-way suture
US8777989B2 (en) 2001-06-29 2014-07-15 Ethicon, Inc. Subcutaneous sinusoidal wound closure utilizing one-way suture
US8764796B2 (en) 2001-06-29 2014-07-01 Ethicon, Inc. Suture method
US8777988B2 (en) 2001-06-29 2014-07-15 Ethicon, Inc. Methods for using self-retaining sutures in endoscopic procedures
US8764776B2 (en) 2001-06-29 2014-07-01 Ethicon, Inc. Anastomosis method using self-retaining sutures
US8747437B2 (en) 2001-06-29 2014-06-10 Ethicon, Inc. Continuous stitch wound closure utilizing one-way suture
US8011072B2 (en) 2001-08-31 2011-09-06 Quill Medical, Inc. Method for variable-angle cutting of a suture to create tissue retainers of a desired shape and size
US7996968B2 (en) 2001-08-31 2011-08-16 Quill Medical, Inc. Automated method for cutting tissue retainers on a suture
US7996967B2 (en) 2001-08-31 2011-08-16 Quill Medical, Inc. System for variable-angle cutting of a suture to create tissue retainers of a desired shape and size
US8015678B2 (en) 2001-08-31 2011-09-13 Quill Medical, Inc. Method for cutting a suture to create tissue retainers of a desired shape and size
US8020263B2 (en) 2001-08-31 2011-09-20 Quill Medical, Inc. Automated system for cutting tissue retainers on a suture
US8028388B2 (en) * 2001-08-31 2011-10-04 Quill Medical, Inc. System for cutting a suture to create tissue retainers of a desired shape and size
US8028387B2 (en) 2001-08-31 2011-10-04 Quill Medical, Inc. System for supporting and cutting suture thread to create tissue retainers thereon
US20100294105A1 (en) * 2001-08-31 2010-11-25 Quill Medical, Inc. Method for variable-angle cutting of a suture to create tissue retainers of a desired shape and size
US8926659B2 (en) 2001-08-31 2015-01-06 Ethicon, Inc. Barbed suture created having barbs defined by variable-angle cut
US20100313729A1 (en) * 2001-08-31 2010-12-16 Quill Medical, Inc. Methods for cutting a suture to create tissue retainers on the surface of the suture
US8083770B2 (en) 2002-08-09 2011-12-27 Quill Medical, Inc. Suture anchor and method
US8734486B2 (en) 2002-08-09 2014-05-27 Ethicon, Inc. Multiple suture thread configuration with an intermediate connector
US8652170B2 (en) 2002-08-09 2014-02-18 Ethicon, Inc. Double ended barbed suture with an intermediate body
US8679158B2 (en) 2002-08-09 2014-03-25 Ethicon, Inc. Multiple suture thread configuration with an intermediate connector
US8690914B2 (en) 2002-08-09 2014-04-08 Ethicon, Inc. Suture with an intermediate barbed body
US8821540B2 (en) 2002-09-30 2014-09-02 Ethicon, Inc. Self-retaining sutures having effective holding strength and tensile strength
US9248580B2 (en) 2002-09-30 2016-02-02 Ethicon, Inc. Barb configurations for barbed sutures
US8721681B2 (en) 2002-09-30 2014-05-13 Ethicon, Inc. Barbed suture in combination with surgical needle
US8852232B2 (en) 2002-09-30 2014-10-07 Ethicon, Inc. Self-retaining sutures having effective holding strength and tensile strength
US8734485B2 (en) 2002-09-30 2014-05-27 Ethicon, Inc. Sutures with barbs that overlap and cover projections
US8795332B2 (en) 2002-09-30 2014-08-05 Ethicon, Inc. Barbed sutures
US20040159197A1 (en) * 2003-02-13 2004-08-19 Kevin Forsberg Apparatus and method for cutting cables and wires
US8032996B2 (en) 2003-05-13 2011-10-11 Quill Medical, Inc. Apparatus for forming barbs on a suture
US20100298871A1 (en) * 2004-05-14 2010-11-25 Quill Medical, Inc. Self-retaining wound closure device including an anchoring loop
US8721664B2 (en) 2004-05-14 2014-05-13 Ethicon, Inc. Suture methods and devices
US20070067996A1 (en) * 2005-09-26 2007-03-29 Chang Ming C Multifunctional wire stripper
US7361080B2 (en) * 2006-07-22 2008-04-22 Martin Daniel M Utensil for opening a shell of a crustacean
US20080020692A1 (en) * 2006-07-22 2008-01-24 Martin Daniel M Utensil for opening a shell of a crustacean
US8793863B2 (en) 2007-04-13 2014-08-05 Ethicon, Inc. Method and apparatus for forming retainers on a suture
US8915943B2 (en) 2007-04-13 2014-12-23 Ethicon, Inc. Self-retaining systems for surgical procedures
US8777987B2 (en) 2007-09-27 2014-07-15 Ethicon, Inc. Self-retaining sutures including tissue retainers having improved strength
US9498893B2 (en) 2007-09-27 2016-11-22 Ethicon, Inc. Self-retaining sutures including tissue retainers having improved strength
US8771313B2 (en) 2007-12-19 2014-07-08 Ethicon, Inc. Self-retaining sutures with heat-contact mediated retainers
US8916077B1 (en) 2007-12-19 2014-12-23 Ethicon, Inc. Self-retaining sutures with retainers formed from molten material
US9044225B1 (en) 2007-12-20 2015-06-02 Ethicon, Inc. Composite self-retaining sutures and method
US8875607B2 (en) 2008-01-30 2014-11-04 Ethicon, Inc. Apparatus and method for forming self-retaining sutures
US8615856B1 (en) 2008-01-30 2013-12-31 Ethicon, Inc. Apparatus and method for forming self-retaining sutures
US9125647B2 (en) 2008-02-21 2015-09-08 Ethicon, Inc. Method and apparatus for elevating retainers on self-retaining sutures
US8460338B2 (en) 2008-02-25 2013-06-11 Ethicon, Inc. Self-retainers with supporting structures on a suture
US8641732B1 (en) 2008-02-26 2014-02-04 Ethicon, Inc. Self-retaining suture with variable dimension filament and method
US8876865B2 (en) 2008-04-15 2014-11-04 Ethicon, Inc. Self-retaining sutures with bi-directional retainers or uni-directional retainers
US8961560B2 (en) 2008-05-16 2015-02-24 Ethicon, Inc. Bidirectional self-retaining sutures with laser-marked and/or non-laser marked indicia and methods
US8932328B2 (en) 2008-11-03 2015-01-13 Ethicon, Inc. Length of self-retaining suture and method and device for using the same
US9675341B2 (en) 2010-11-09 2017-06-13 Ethicon Inc. Emergency self-retaining sutures and packaging
US20130326882A1 (en) * 2012-06-06 2013-12-12 Milwaukee Electric Tool Corporation Hand tool including a wire strippers

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