WO2007106572A2 - Outil de torsion d'elements allonges - Google Patents

Outil de torsion d'elements allonges Download PDF

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Publication number
WO2007106572A2
WO2007106572A2 PCT/US2007/006566 US2007006566W WO2007106572A2 WO 2007106572 A2 WO2007106572 A2 WO 2007106572A2 US 2007006566 W US2007006566 W US 2007006566W WO 2007106572 A2 WO2007106572 A2 WO 2007106572A2
Authority
WO
WIPO (PCT)
Prior art keywords
tool
cavity
elongated member
shaft
elongated
Prior art date
Application number
PCT/US2007/006566
Other languages
English (en)
Other versions
WO2007106572A3 (fr
Inventor
Trent D. Poole
Original Assignee
Poole Trent D
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 Poole Trent D filed Critical Poole Trent D
Publication of WO2007106572A2 publication Critical patent/WO2007106572A2/fr
Publication of WO2007106572A3 publication Critical patent/WO2007106572A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
    • B21F15/02—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire
    • B21F15/04—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/12—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by twisting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • This invention relates to tools for twisting elongated members, for example, electrical wires.
  • the present invention is directed to a tool for twisting two or more elongated members with one another.
  • the tool generally includes a shaft having a distal end and a proximal end, wherein the distal end is spaced from the proximal end by a central section.
  • a cavity is disposed within the distal end and extending a length, y, within the shaft toward the central section.
  • the cavity is suitable for receiving end portions of the two or more elongated members.
  • At least one elongated member-receiving channel is in fluid communication with the cavity, and at least one hole is defined in a sidewall of the shaft.
  • the at least one elongated member- receiving channel is sized so that an elongated member can extend from the cavity through the at least one elongated member-receiving channel and through the at least one hole.
  • the cross-sectional diameter of the elongated member-receiving channel is generally smaller than the cross-sectional diameter of the cavity. Accordingly, when one or more elongated members are disposed within the cavity, only a select number of elongated members are received per elongated member- receiving channel and corresponding hole.
  • the exemplary tool of the present invention may further comprise a number of additional components or features including, but not limited to, another hole defined in the sidewall of the shaft to receive another elongated member, a handle with a grip section, a proximal end sized to engage with and be rotated by a drill, and a slot or hole in the central section suitable for receiving an end portion of the elongated member such that when the end portion is inserted into the slot, either the end portion of the elongated member or the tool may be rotated in order to cause the end portion of the elongated member to at least partially wrap around a perimeter of the central section.
  • the present invention is directed to a tool set comprising a first tool and a second tool.
  • the first tool generally comprises a first shaft having a first distal end and a first proximal end.
  • a first cavity is disposed within the first distal end and extends a length within the first shaft toward the first proximal end.
  • the first cavity is suitable for receiving end portions of the two or more elongated members.
  • At least one first elongated member-receiving channel is in fluid communication with the first cavity and at least one first hole is defined in a first sidewall of the first shaft.
  • the at least one first elongated member-receiving channel is sized so that an elongated member can extend from the first cavity through the at least one first elongated member-receiving channel and through the at least one first hole.
  • a handle portion with a grip section is further disposed at the first proximal end.
  • the second tool generally includes a second shaft having a second distal end and a second proximal end.
  • a second cavity is disposed within the second distal end and extends a length within the second shaft toward the second proximal end.
  • the second cavity is generally suitable for receiving end portions of the two or more elongated members.
  • At least one second elongated member-receiving channel is in fluid communication with the second cavity and at least one second hole is defined in a sidewall of the second shaft.
  • the at least one second elongated member-receiving channel is sized so that an elongated member can extend from the second cavity through the at least one second elongated member-receiving channel and through the at least one second hole.
  • the second proximal end of the second shaft is sized so as to be capable of being received by and removably engaged with (i) a handle portion with a grip section or (ii) a drill so as to rotate the second tool by hand or electric power.
  • the cross-sectional diameter of either elongated member-receiving channels is generally smaller than the cross-sectional diameter of either cavity. Accordingly, when one or more elongated members are disposed within the larger cavity, only a select number of elongated members are received per smaller elongated member-receiving channel and corresponding hole.
  • the exemplary tool set of the present invention may further comprise a number of additional components or features including, but not limited to, another hole defined in either sidewall of either shaft to receive yet another elongated member, an engagable handle portion with a grip section, the handle portion being sized so as to be capable of receiving the second proximal end of the second shaft, the second proximal end of the second shaft being removably engaged with the handle portion.
  • the present invention is also directed to a method of twisting elongated members together.
  • the method of twisting elongated members comprises the steps of (i) inserting end portions of two or more elongated members into a cavity of a tool, such that at least one end portion of the two or more elongated members extends from the cavity of the tool through an elongated member-receiving channel in fluid communication with the cavity and optionally out of a hole defined in a sidewall of a shaft of the tool, and (ii) rotating the tool about an axis dissecting the shaft of the tool so as to cause the two or more elongated members to engage with one another.
  • the method of twisting elongated members comprises the steps of (i) inserting end portions of two or more elongated members into a cavity of a tool, such that at least one end portion of the two or more elongated members extends from the cavity of the tool through an elongated member-receiving channel in fluid communication with the cavity and optional
  • FIG. 1 depicts a view of an exemplary tool of the present invention and an exemplary plurality of elongated members
  • FIG. 2 depicts a view of the exemplary tool of FIG. 1 engaged with the exemplary plurality of elongated members of FIG. 1;
  • FIG. 3 depicts a partial cross-sectional view of the distal end of the exemplary tool of FIG. 1;
  • FIG. 4 depicts a view of another exemplary tool of the present invention
  • FIG. 5 depicts an end view of the distal end of the exemplary tool shown in FIG. 1 or FIG. 4;
  • FIGS. 6A-6H depict exemplary cross-sectional shapes for the cavity in the distal end of the exemplary tool shown in FIG. 1 or FIG. 4.
  • the present invention is directed to tools for twisting elongated members and methods of making and using the tools.
  • the disclosed tools may be used to twist wire, such as electrically- conductive wire, as well as many other elongated members.
  • the tools of the present invention comprise one or more tool features that enable twisting of two or more elongated members to one another.
  • One exemplary tool 10 of the present invention is shown in FIGS. 1-6.
  • exemplary tool 10 comprises a shaft 16 having a distal end 18 and a proximal end 20 wherein distal end 18 is spaced from proximal end 20 by a central section 22.
  • Central section 22 of shaft 16 may have any cross-sectional shape including, but not limited to, an octagonal, triangular, circular, rectangular, hexagonal, pentagonal, star, or oval shape.
  • Exemplary tool 10 further comprises a cavity 24 (see FIG.
  • exemplary tool 10 further comprises one or more elongated member- receiving channels 26 that extend from cavity 24 to corresponding holes 28 defined in a sidewall 30 of tool 10.
  • Exemplary tool 10 is able to accept a plurality of end portions 14 of two or more elongated members 12 so that at least one of the end portions 14 extends through an elongated member-receiving channel 26 and optionally out of hole
  • exemplary tool 10 comprises two (or three, or four, or five) elongated member-receiving channels 26 that extend from cavity 24 to corresponding holes 28 defined in a sidewall 30 of tool 10.
  • FIG. 3 further illustrates details of exemplary cavity 24 within distal end 18 of exemplary tool 10.
  • cavity 24 may extend a length, ⁇ , from distal end 18 toward central section 22 of tool 10.
  • FIGS. 3-4 further illustrate that cavity 24 has a cavity opening 40 (which may optionally be completely surrounded by portions of distal end 18) and a cavity shape 56.
  • cavity 24 has a cavity shape 56 that guides end portion 14 of elongated member 12 toward a respective elongated member-receiving channel 26 when elongated member 12 is inserted into cavity 24.
  • Cavity shape 56 may be of any suitable shape including, but not limited to, rounded or conical in order to help guide elongated members 12 into elongated member receiving channels 26.
  • FIG. 3 also illustrates two elongated member-receiving channels 26 extending from cavity 24 to corresponding holes 28 through sidewall 30 of shaft 16. At least one elongated member-receiving channel 26 is in fluid communication with cavity 24 and a corresponding hole 28 defined in sidewall 30 of shaft 16. Each of elongated member-receiving channels 26 are separated from one another by divider 58, which extends from central portion 22 of shaft 16 toward distal end 18. Divider 58 and cavity shape 56 desirably guide one or more elongated members 12 toward separate elongated member-receiving channels 26 extending from cavity 24 to corresponding holes 28.
  • Elongated member-receiving channels 26 may be sized so that elongated member 12 can extend from cavity 24 through at least one elongated member-receiving channel 26 and optionally through at least one hole 28 (i.e., depending on the length of elongated member 12) as shown in FIG. 2.
  • the diameter of elongated member- receiving channels 26 should be sized such that it is sufficient for allowing a certain width (e.g., wire gauge) of elongated member to pass through.
  • the cross-sectional diameters of the elongated member-receiving channels 26 are each sized such that they are generally smaller than the cross-sectional diameter of the cavity 24 in order to facilitate the receipt of elongated members 12 therethrough.
  • the cross-sectional diameter of the cavity 24 may be sized such that it may receive more than one elongated member 12.
  • the cross-sectional diameters of the elongated member-receiving channels 24 may be sized such that they each are smaller than the cross-sectional diameter of the cavity 24, but each generally slightly larger than the diameters of the elongated members 12.
  • the plurality of elongated members 12 may be collectively feed through the cavity 24.
  • the cross-sectional diameter of each of the elongated member-receiving channels 26 only allow for one elongated member 12 to be feed therethrough.
  • the cross-sectional diameter of the cavity 24 may be sized such that it may receive more than one elongated member 12.
  • the cross-sectional diameters of the elongated member-receiving channels 24 may be sized such that they each are smaller than the cross-sectional diameter of the cavity 24, but each generally slightly larger than the cross-sectional diameters of a select number of elongated members 12.
  • the plurality of elongated members 12 may collectively be feed through the cavity 24.
  • the diameter of each of the elongated member-receiving channels 26 only allow for the select number of elongated member 12 to be feed therethrough.
  • each elongated member-receiving channel 24 may be each sized to accommodate a plurality of elongated members 12 having different cross- sectional diameters.
  • each elongated member-receiving channel 24 may be sized to accommodate an elongated member 12 having a particular cross-sectional diameter. Accordingly, when the different sized elongated members 12 are feed through the tool, each of the elongated member-receiving channel 24 having diameters corresponding to elongated members 12 may parse each elongated member 12 to be feed therethrough.
  • each of the elongated members may have a select cross-sectional shape and each elongated member- receiving channel may be shaped to accommodate each different shape.
  • the elongated members may have an oval cross- sectional shape, whereas the elongated member-receiving channel may have a corresponding oval cross-sectional shape.
  • one elongated member may have a generally oval cross-sectional shape and another elongated member may have a generally square cross-sectional shape.
  • the tool may comprise a corresponding elongated member-receiving channel having a generally oval cross-sectional shape and another elongated member-receiving channel having a generally square cross-sectional shape.
  • holes 28 may be spaced as desired along an outer perimeter 36 of shaft 16.
  • holes 28 are substantially equally spaced from one another along perimeter 36 (see dashed line in FIG. 4) of shaft 16.
  • Hole centers 70 of holes 28 may be spaced from one another by a distance x, wherein x is substantially equal to an outer perimeter length of perimeter 36 divided by the number of holes 28.
  • Holes 28 may be positioned along sidewall 30 a distance, z, from distal end 18.
  • distance z (e.g., the distance of hole center 70 from distal end 18) is greater than lengthy (e.g., the distance between an end of cavity 24 and distal end 18).
  • y ranges in length from about 5 mm (0.2 inch) to about 12.7 mm (0.5 in), while z ranges in length from about 12.7 mm (0.5 in) to about 25.4 mm (1.0 in).
  • Each hole 28 defined in sidewall 30 of tool 10 has a hole opening 38 positioned along sidewall 30, which may be optionally completely surrounded by portions of sidewall 30 of shaft 16.
  • Each hole opening 38 may have any desired shape including, but not limited to, round, oval, oblong, and rectangular. As shown in the exemplary embodiment of FIG. 4, hole openings 38 have an oblong shape.
  • FIG. 4 illustrates a round (e.g., circular) exemplary cavity opening 40 of cavity 24.
  • cavity opening 40 of cavity 24 may have any desired cross-sectional shape, including, but not limited to, an octagonal, triangular, circular, rectangular, hexagonal, pentagonal, star, or oval shape. Suitable exemplary cross-sectional shapes for cavity opening 40 of cavity 24 are shown in illustrative FIGS. 6A-6H.
  • cavity opening 40 has a hexagonally shaped so that distal end 18 of tool 10 fits around a screw head or nut (not shown) that can be tightened or loosened by twisting tool 10 about the screw head or nut.
  • FIG. 4 further illustrates an exemplary embodiment of the present invention wherein proximal end 20 of exemplary tool 10 has a cross-sectional shape suitable for engaging with a removable handle 52 (see FIGS. 1-2) or a drill (not shown).
  • Proximal end 20 of exemplary tool 10 may have any desired cross-sectional shape including, but not limited to, an octagonal, triangular, circular, rectangular, hexagonal, pentagonal, star, or oval shape.
  • proximal end 20 has a hexagonal cross-sectional shape such that tool 10 may be removably engaged with handle 52 or a drill.
  • Other cross-sectional shapes may provide similar or different utility to exemplary tool 10.
  • FIG. 5 illustrates end views of exemplary tool 10 of the present invention illustrating a relationship between divider 58 and cavity sidewall 60.
  • Cavity 24 may have one or more dividers 58, which extend from central section 22 toward distal end 18.
  • One or more dividers 58 may provide a wall 62 between separate elongated member-receiving channels 26 extending from cavity 24.
  • exemplary tool 10 may further comprise a handle portion 52, which may include a grip section 54.
  • handle portion 52 and/or grip portion 54 comprises a material that does not conduct electricity.
  • handle portion 52 may be formed over a portion of shaft 16 with the intention of permanently bonding handle portion 52 to shaft 16.
  • handle portion 52 is configured so as to be removably engagable with shaft 16, but is separable from shaft 16.
  • FIG. 2 further illustrates an optional feature on exemplary tool 10 in the form of one or more slots 34 along central section 22 of shaft 16.
  • Slots 34 are suitable for receiving an end portion 14 of elongated member 14. When end portion 14 of elongated member 14 is inserted into slot 34, either the end portion 14 or tool 10 may be rotated in order to cause elongated member 14 to at least partially wrap around perimeter 36 of central section 22.
  • This feature is advantageous for placing a partial loop or curve into elongated member 14, such as a ground wire, so that the curved portion can then be mounted to an electrical device, for example.
  • each of slots 34 may independently extend completely through central section 22 or only partially into (i.e., less than completely through) central section 22 along shaft 16 from distal end 18 to proximal end 20.
  • exemplary tool 10 comprises shaft 16 having a distal end 18 and a proximal end 20 wherein shaft 16 has a substantially constant diameter and substantially constant cross- sectional area along a length of shaft 16.
  • shaft 16 may have a diameter and/or cross-sectional area that varies along a length of shaft 16.
  • distal end 18 containing cavity 24 may have a diameter and/or cross-sectional area greater than a diameter and/or cross-sectional area of central section 22 and/or proximal end 20.
  • proximal end 20 may have a diameter and/or cross-sectional area smaller than a diameter and/or cross-sectional area of central section 22 and/or distal end 18 (see, for example, proximal end 20 shown in FIG. 4).
  • Suitable elongated members that may be twisted using the tool of the present invention include, but are not limited to, wires, electrically conductive wires, tie wires for rebar, etc.
  • the tool of the present invention is sized so that a user can operate the tool with one hand or with a hand-held drill.
  • the tool comprises a shaft having a distal end and a proximal end wherein the proximal end is spaced from the proximal end by a central section, a cavity disposed within the distal end and extending a length within the shaft toward the central section, the cavity being suitable for receiving end portions of the two or more elongated members, and at least one elongated member-receiving channel in fluid communication with the cavity and at least one hole defined in a sidewall of the shaft, the at least one elongated member-receiving channel being sized so that an elongated member can extend from the cavity through the at least one elongated member-receiving channel and through the at least one hole.
  • a tool set comprises (1) a first tool for twisting two or more elongated members with one another, the first tool comprising a first shaft having a first distal end and a first proximal end, a first cavity disposed within the first distal end and extending a length within the first shaft toward the first proximal end, the first cavity being suitable for receiving end portions of the two or more elongated members, at least one first elongated member-receiving channel in fluid communication with the first cavity and at least one first hole defined in a first sidewall of the first shaft, the at least one first elongated member-receiving channel being sized so that an elongated member can extend from the first cavity through the at least one first elongated member-receiving channel and through the at least one first hole, and a handle portion with a grip section attached or attachable to the first proximal end, and (2) a second tool for twisting two or more elongated members with one another, the first tool comprising a first shaft
  • the present invention is also directed to a method of making a tool capable of twisting two or more elongated members with one another. Any conventional metal shaping step may be used to form the tools of the present invention. Suitable methods for making tools of the present invention include, but are not limited to, die casting, molded, extrusion, machining, or any combination thereof.
  • Exemplary tool 10 may be molded or shaped out of any suitable material, including, but not limited to, metal, steel, aluminum, plastic, wood, or any combination thereof as would be evident to one skilled in the art.
  • tool 10 comprises hardened steel.
  • at least a portion of tool 10 comprises a material that does not conduct electricity such as plastic or rubber.
  • Handle portion 52 and grip section 54 may similarly be constructed of any suitable material though it is desired that the handle portion and/or grip section be constructed of a sturdy material such as aluminum, metal, or a firm plastic.
  • the grip section may be of a material that is cushioned to provide a comfortable gripping surface for a user.
  • the grip section typically has a diameter of greater than 1.27 cm (0.5 inches).
  • the present invention is further directed to a method of twisting two or more elongated members with one another.
  • the method comprises (i) inserting end portions of two or more elongated members into a cavity of a tool, wherein at least one end portion of the two or more elongated members extends from the cavity of the tool through an elongated member-receiving channel in fluid communication with the cavity and optionally out of a hole defined in a sidewall of a shaft of the tool; and (ii) rotating the tool about an axis dissecting the shaft of the tool so as to cause the two or more elongated members to engage with one another.
  • the rotating step may comprise gripping a handle portion of the tool and rotating the handle portion by hand.
  • the rotating step may comprise engaging a proximal end of the tool with a drill, and activating the drill to rotate the tool using electrical power.
  • the method of twisting two or more elongated members with one another comprises twisting electrically conductive wires to one another using the above-described tool.
  • One or more of the electrically conductive wires may extend through one or more elongated member-receiving channels extending from the cavity of the tool and through a hole defined in a sidewall of the tool shaft.
  • an end portion of the lead wire extends out of the hole defined in the sidewall of the tool shaft.
  • two or more elongated members e.g., electrically conductive wires

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Surgical Instruments (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

La présente invention concerne un outil destiné à tordre ensemble deux ou plusieurs éléments allongés. L'outil comprend en général un arbre avec une extrémité distale et une extrémité proximale, l'extrémité distale étant séparée de l'extrémité proximale par une section centrale. Une cavité est formée dans l'extrémité distale et se prolonge au sein de l'arbre vers la section centrale. La cavité est conçue pour recevoir des parties terminales de deux ou plusieurs éléments allongés. Au moins un canal de logement d'élément allongé est en communication de fluide avec la cavité, et au moins un trou est défini dans une paroi latérale de l'arbre. Le canal de logement d'élément allongé a une dimension telle qu'un élément allongé peut s'étendre de la cavité à travers ledit canal et par le trou. Cette invention concerne également des procédés de fabrication et d'utilisation de l'outil.
PCT/US2007/006566 2006-03-15 2007-03-15 Outil de torsion d'elements allonges WO2007106572A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US78262406P 2006-03-15 2006-03-15
US60/782,624 2006-03-15
US11/724,753 2007-03-15
US11/724,753 US20070215234A1 (en) 2006-03-15 2007-03-15 Elongated member twisting tool

Publications (2)

Publication Number Publication Date
WO2007106572A2 true WO2007106572A2 (fr) 2007-09-20
WO2007106572A3 WO2007106572A3 (fr) 2008-01-03

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PCT/US2007/006566 WO2007106572A2 (fr) 2006-03-15 2007-03-15 Outil de torsion d'elements allonges

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US (1) US20070215234A1 (fr)
WO (1) WO2007106572A2 (fr)

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WO2007106572A3 (fr) 2008-01-03

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