US878493A - Tool for electric wires. - Google Patents

Tool for electric wires. Download PDF

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Publication number
US878493A
US878493A US36274707A US1907362747A US878493A US 878493 A US878493 A US 878493A US 36274707 A US36274707 A US 36274707A US 1907362747 A US1907362747 A US 1907362747A US 878493 A US878493 A US 878493A
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Prior art keywords
insulation
members
jaws
jaw
tool
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US36274707A
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Harold B Barnes
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods 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
    • H02G1/1202—Methods 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
    • H02G1/1204—Hand-held tools
    • H02G1/1221—Hand-held tools the cutting element rotating about the wire or cable
    • H02G1/1224—Hand-held tools the cutting element rotating about the wire or cable making a transverse cut

Definitions

  • This invention relates to im rovements in tools, and particularly to com ination pliers formed with jaws and cutting appliances arranged to operate in conjunction with each other.
  • the invention comprises the production of a combination tool having handles that are adapted to operate at the same time, and as they are 0 crafted to force a pair of auxiliary jaws toget er or in ur oses.
  • the invention g p p er comprises the production of an auxiliary pair of aws for crus ng jaws secured thereto for grip in or crushing insulation on the wire and the iike previous to strippin the same.
  • the invention st' 1 further comprises the production of improved handles formed with means for causing the same to operate together, and also with a cutting edge formed therebetween for use in cutting wi1 es and the grippling wire and the like and a justable like, and an auxiliary pair of jaws rovided with a clamping jaw proper and a 'ustable jaw secured continguous thereto designed for crushing insulation and provided with cutting members forcutting the insulation without injuring the wire to which the same is secured.
  • I 1 a The object in view is the production of a combination tool that is adapted to be used as an ordinary plier, and at the same time adapted to be used as an insulation stripper for cleaning insulated wires and the like.
  • Another object in view is the production of a combination tool that is provided with jaws for crushing insulation, knives for trimmin insulation adjacent to the point of crus g, and means for stripping the crushed insulation.
  • Figure 1 is a side elevation of a combination tool formed according to the present invention, one of the retaining plates being removed to better disclose the construction of the plier.
  • Fig. 2 is a top plan view of a combination tool formed according to the present invention.
  • Fig. 3 is a section through Fig. 1 on line 33.
  • Fig. 4 is a section through Fig. 1 on line 4-4.
  • I provide a pair of side plates 1 and 2 in which is inclosed the operating mechanism of the pliers.
  • One or both of the side plates 1 and 2 may be formed with depressions 3 that are sharpened for acting as scrapers for scraping insulation ofi" of wire, or for scraping the wire after theinsulation has been removed for cleaning the same in order to provide a better electrical contact.
  • At one end of plates 1 and 2 I pivotally mount or journal a pair of gripping handles 4 and 5 upon suitable shafts or bolts 6 and 7.
  • the bolts6 and 7 are preferably passed through one of the'side lates, as for instance, through side plate 2 and is screw threaded into late 1 and then locked in position by a suita le nut 8.
  • the gripping members 4 and 5 are formed near their pivot point with intersecting segmental gears 9. and 10 which are desi ned to intermesh for causing ripping hand es 4 and 5 to act together at ail times. Gripping handles 4 and 5 are also formed with a cutting edge 11 which is designed to be usedin cutting wires and the like as may be desired.
  • the inner end of the gripping handles 4 and 5 are formed with operating levers or segments 12 and 13 which are desi ned to contact .with and operate auxiliary evers or handles 14 and 15.
  • the spring 16 is secured to menibers 14 and 15 for giving the same a tendency at all times-t0. press u on members 12 and 13 and for normally ho ding open the jaws 17 and 18, and also the gripping handles 4 and 5-, Members 14 and 15 are pivotally mounted or journaled upon suitable bearings asbolts 19 and 20 in lates 1 and 2.
  • jaws 17 and 18 which are preferably roughened as at 21 for more firmly gripping any object that may be placed therebetween.
  • auxiliary jaws 22 and 23 Mounted upon members 14 and 15 to the rear of jaws 17 and 18 are a pair of auxiliary jaws 22 and 23 which are roughened similarly to the jaws 17 and 18 and are designed to be used for crushing insulation on insulated wires previous to the removal of the same.
  • jaw 22 is provided with a pair of knives or cutters 24 which are preferably positioned with their cutting edges a short distance below the sur- 7
  • Jaw 23 is adjustably mounted by having formed thereon an extension 25 which is screw -threaded and adapted to be held in place in member 14 by adjusting and retaining nuts 26 and 27.
  • Jaw 23 is also formed with a pair of cutting knives 28 which are also similar to cutting jaws 24 positioned with their cutting edge slightly elow the surface of the jaw. Thesecutting edges are placed in this position so that when thecrushing jaws have crushed the insulation the cutting jaws will barely pass through the insulation and not cut or injure the wire beneath the same.
  • the jaws 24 and 28 may be made of any desired length, but I find it desirable to make the same of sullicient length to simply pass through the insulation and barely contact with the wire beneath the same after the crushing jaws have crushed the insulation. lation that has not been removed, and will not in any way injure the wire. After the insulation has been removed from the wire the same may be thoroughly cleaned by operating in any desired way.
  • a device is provided which is exceedingly -strong and yet comparatively small and compact, and it is designed for any of the uses for which ordinary pliers are used, and also for various uses as for stripping insulated wires and the like in addition.
  • jaws 24 and 28 may be removed and renewed or This will give a clean cut for the insusharpened for always providing cutting members for cutting insulation.
  • cutting members 24 and 28 One of the important features of the use of cutting members 24 and 28 is that they will cut the insulation at the oint between the insulation crushed and t e insulation left on the wire and.will make a clean ending of insulation which is very desirable when splicing insulated wires.
  • What I claim is 1.
  • a device of the character described comprisin side plates, handles pivotally mounted tilerein, a plurality of jaws pivotally mounted therein and adapted to be operated by said handles, an adjustable jaw mounted in one end of said pivotally mounted member, said jaw being designed to crush insulation on insulated wires, and means for removing the insulation crushed.
  • aw members pivoted between the side lates at one end
  • handle members pivoted between the side plates at the opposite ends and adapted to expand the inner ends of the jaw members
  • an auxiliary jaw member carried within the recess of the jaw and provided with a roughened face
  • cutters disposed upon opposite sides of the jaw members and adjustable relative to the face.
  • jaw members pivoted at HAROLD B. BARNES.

Description

PATENTED FEB. 11, 1908.
H. B. BARNES.
TOOL FOR ELECTRIC WIRES.
APPLICATION FILED MAR.16. 1907.
HAROLD B. BARNES, OF LEADVILLE, COLORADO.
TOOL FOR ELECTRIC WIRES.
Specification of Letters Patent.
Patented Feb. 11, 1908.
Application filed March 16. 1907. Serial No. 362.747.
To all whomtt may concern:
Be it known that HAROLD B. BARNES, a citizen of the United States, residing at Leadville, in the county of Lake and State of Colorado, has invented certain new and useful Improvements in Tools for ElectricWires; and
e does hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to im rovements in tools, and particularly to com ination pliers formed with jaws and cutting appliances arranged to operate in conjunction with each other.
The invention comprises the production of a combination tool having handles that are adapted to operate at the same time, and as they are 0 crafted to force a pair of auxiliary jaws toget er or in ur oses.
The invention g p p er comprises the production of an auxiliary pair of aws for crus ng jaws secured thereto for grip in or crushing insulation on the wire and the iike previous to strippin the same.
The invention st' 1 further comprises the production of improved handles formed with means for causing the same to operate together, and also with a cutting edge formed therebetween for use in cutting wi1 es and the grippling wire and the like and a justable like, and an auxiliary pair of jaws rovided with a clamping jaw proper and a 'ustable jaw secured continguous thereto designed for crushing insulation and provided with cutting members forcutting the insulation without injuring the wire to which the same is secured. I 1 a The object in view is the production of a combination tool that is adapted to be used as an ordinary plier, and at the same time adapted to be used as an insulation stripper for cleaning insulated wires and the like.
Another object in view is the production of a combination tool that is provided with jaws for crushing insulation, knives for trimmin insulation adjacent to the point of crus g, and means for stripping the crushed insulation.
With these and other objects in view the invention further comprises certain novel constructions, combinations and arrangements of arts as will be hereinafter more fully described and claimed.
In the accompanying drawings :Figure 1 is a side elevation of a combination tool formed according to the present invention, one of the retaining plates being removed to better disclose the construction of the plier. Fig. 2 is a top plan view of a combination tool formed according to the present invention. Fig. 3 is a section through Fig. 1 on line 33. Fig. 4 is a section through Fig. 1 on line 4-4.
In constructing a tool according to the present invention, I provide a pair of side plates 1 and 2 in which is inclosed the operating mechanism of the pliers. One or both of the side plates 1 and 2 may be formed with depressions 3 that are sharpened for acting as scrapers for scraping insulation ofi" of wire, or for scraping the wire after theinsulation has been removed for cleaning the same in order to provide a better electrical contact. At one end of plates 1 and 2 I pivotally mount or journal a pair of gripping handles 4 and 5 upon suitable shafts or bolts 6 and 7. The bolts6 and 7 are preferably passed through one of the'side lates, as for instance, through side plate 2 and is screw threaded into late 1 and then locked in position by a suita le nut 8. The gripping members 4 and 5 are formed near their pivot point with intersecting segmental gears 9. and 10 which are desi ned to intermesh for causing ripping hand es 4 and 5 to act together at ail times. Gripping handles 4 and 5 are also formed with a cutting edge 11 which is designed to be usedin cutting wires and the like as may be desired. The inner end of the gripping handles 4 and 5 are formed with operating levers or segments 12 and 13 which are desi ned to contact .with and operate auxiliary evers or handles 14 and 15. The spring 16 is secured to menibers 14 and 15 for giving the same a tendency at all times-t0. press u on members 12 and 13 and for normally ho ding open the jaws 17 and 18, and also the gripping handles 4 and 5-, Members 14 and 15 are pivotally mounted or journaled upon suitable bearings asbolts 19 and 20 in lates 1 and 2.
It will b tween journals 19 and .20 and the ends of members 14 and 15 which contact with members Hand 13 is farther than the distance between the outer ends of members 12 and 13 and their pivot points 6 and 7. This wlll allow considerable leverage by the comparatively short members 12 and 13 upon the comparatively long members 14 and 15. Members 14 and 15 are formed at their outer e observed that the distance be- 'face of the crushing jaw 22.
ends with jaws 17 and 18 which are preferably roughened as at 21 for more firmly gripping any object that may be placed therebetween. Mounted upon members 14 and 15 to the rear of jaws 17 and 18 are a pair of auxiliary jaws 22 and 23 which are roughened similarly to the jaws 17 and 18 and are designed to be used for crushing insulation on insulated wires previous to the removal of the same.
As will be clearly seen in Fig. 3, jaw 22 is provided with a pair of knives or cutters 24 which are preferably positioned with their cutting edges a short distance below the sur- 7 Jaw 23 is adjustably mounted by having formed thereon an extension 25 which is screw -threaded and adapted to be held in place in member 14 by adjusting and retaining nuts 26 and 27. Jaw 23 is also formed with a pair of cutting knives 28 which are also similar to cutting jaws 24 positioned with their cutting edge slightly elow the surface of the jaw. Thesecutting edges are placed in this position so that when thecrushing jaws have crushed the insulation the cutting jaws will barely pass through the insulation and not cut or injure the wire beneath the same. It will be perfectly evident that the jaws 24 and 28 may be made of any desired length, but I find it desirable to make the same of sullicient length to simply pass through the insulation and barely contact with the wire beneath the same after the crushing jaws have crushed the insulation. lation that has not been removed, and will not in any way injure the wire. After the insulation has been removed from the wire the same may be thoroughly cleaned by operating in any desired way. By the movision of plates 1 and 2 and lever members 12, 13, 14 and 15, a device is provided which is exceedingly -strong and yet comparatively small and compact, and it is designed for any of the uses for which ordinary pliers are used, and also for various uses as for stripping insulated wires and the like in addition.
It will be clearly observed that the jaws 24 and 28 may be removed and renewed or This will give a clean cut for the insusharpened for always providing cutting members for cutting insulation.
One of the important features of the use of cutting members 24 and 28 is that they will cut the insulation at the oint between the insulation crushed and t e insulation left on the wire and.will make a clean ending of insulation which is very desirable when splicing insulated wires. i
What I claim is 1. [A device of the character described, comprisin side plates, handles pivotally mounted tilerein, a plurality of jaws pivotally mounted therein and adapted to be operated by said handles, an adjustable jaw mounted in one end of said pivotally mounted member, said jaw being designed to crush insulation on insulated wires, and means for removing the insulation crushed.
2. In a device of the character described, spaced side plates, aw members pivoted between the side lates at one end, handle members pivoted between the side plates at the opposite ends and adapted to expand the inner ends of the jaw members, an auxiliary jaw member carried within the recess of the jaw and provided with a roughened face, cutters disposed upon opposite sides of the jaw members and adjustable relative to the face.
3. In a device of the character described, spaced side plates, jaw members pivoted between the side lates at one end, handle members pivotecPbetween-the side plates at the opposite ends and adapted to expand the inner ends of the jaw members, an auxiliary member carried within a recess of, the jaw and adjustable relative to, the opposing 'aw, and cutters carried upon opposite sides 0 the block. a
4. In a device of the character described,
spaced side plates, jaw members pivoted at HAROLD B. BARNES.
Witnesses:
L. R. JoHNs'roN, SoL Hnon'r.
US36274707A 1907-03-16 1907-03-16 Tool for electric wires. Expired - Lifetime US878493A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722145A (en) * 1954-04-29 1955-11-01 Edward J Schulenburg Apparatus for stripping insulation from insulated wire
US2882769A (en) * 1956-04-10 1959-04-21 Western Electric Co Insulation stripping unit
US2891433A (en) * 1956-08-30 1959-06-23 Rca Corp Apparatus for removing coatings
US3046820A (en) * 1959-07-15 1962-07-31 Stanley R Patrick Wire stripper
US3165013A (en) * 1963-02-01 1965-01-12 Ideal Ind Cable stripper
US6477776B1 (en) * 2000-08-04 2002-11-12 Hanlong Industrial Co., Ltd. Rotational peeling plier
US20060272381A1 (en) * 2005-06-03 2006-12-07 Fci Americas Technology, Inc. Hand-held, portable, battery-powered hydraulic tool
US20080016939A1 (en) * 2004-07-02 2008-01-24 Egbert Frenken Pair of pressing jaws for hydraulic or electric pressing tools
US20110113851A1 (en) * 2006-09-07 2011-05-19 Egbert Frenken Pair of pressing jaws for hydraulic or electric pressing tool

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722145A (en) * 1954-04-29 1955-11-01 Edward J Schulenburg Apparatus for stripping insulation from insulated wire
US2882769A (en) * 1956-04-10 1959-04-21 Western Electric Co Insulation stripping unit
US2891433A (en) * 1956-08-30 1959-06-23 Rca Corp Apparatus for removing coatings
US3046820A (en) * 1959-07-15 1962-07-31 Stanley R Patrick Wire stripper
US3165013A (en) * 1963-02-01 1965-01-12 Ideal Ind Cable stripper
US6477776B1 (en) * 2000-08-04 2002-11-12 Hanlong Industrial Co., Ltd. Rotational peeling plier
US20080016939A1 (en) * 2004-07-02 2008-01-24 Egbert Frenken Pair of pressing jaws for hydraulic or electric pressing tools
US20060272381A1 (en) * 2005-06-03 2006-12-07 Fci Americas Technology, Inc. Hand-held, portable, battery-powered hydraulic tool
US7464578B2 (en) 2005-06-03 2008-12-16 Fci Americas Technology, Inc. Hand-held, portable, battery-powered hydraulic tool
US20110113851A1 (en) * 2006-09-07 2011-05-19 Egbert Frenken Pair of pressing jaws for hydraulic or electric pressing tool
US8336362B2 (en) 2006-09-07 2012-12-25 Gustav Klauke Gmbh Pair of pressing jaws for hydraulic or electric pressing tool

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