US3597581A - Ing electrode holder - Google Patents

Ing electrode holder Download PDF

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Publication number
US3597581A
US3597581A US29462A US3597581DA US3597581A US 3597581 A US3597581 A US 3597581A US 29462 A US29462 A US 29462A US 3597581D A US3597581D A US 3597581DA US 3597581 A US3597581 A US 3597581A
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US
United States
Prior art keywords
cap
electrode holder
handle
head
arc
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
US29462A
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English (en)
Inventor
Lalo Chiche
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Individual
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Individual
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Filing date
Publication date
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Publication of US3597581A publication Critical patent/US3597581A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B23K9/282—Electrode holders not supplying shielding means to the electrode

Definitions

  • the electrode holder according to this invention comprises a one-piece cap designed for fitting by snap action to the head of the conducting member of the electrode holder by simply slipping said cap over said head, without any risk of untimely releasing said cap.
  • This cap consists preferably of an element molded from thennosetting polymerized synthetic, insulating and heat-resisting material, which has embedded therein one portion of a spring blade having its free end adapted, when the cap is fitted in position, automatically to engage and lock a retaining shoulder formed on the surface of the conducting member.
  • LALO CH/C'HE HTT'ORNEVS ARC-WELDING ELECTRODE HOLDER This invention relates to arc-welding electrode holders of the general type comprising a current lead-in member having a bent head of which the shank is mounted inside a rectilinear insulating handle or grip, the arc-welding'receiving head being housed in an insulating cap adapted to be secured to the remaining portion of the electrode holder.
  • the cap as a rule is 5 split or consists of two sections constituting half-caps or shells fitting in recesses formed in the head of the conducting member, about this member, said half-caps engaging each other along joint planes containing-the head axis, and being retained in their assembled condition by an endless collar fitted to the ends of said half-caps.
  • This structure involves the use of complicated components having well-defined configurations and therefore the replacement of a damaged cap constitutes an intricate operationv it is the essential object of this invention to provide an electrode holder of the bent-head type which is perfectly reliable in actual service while permitting an easy and rapid replacement of a damaged, worn or otherwise useless cap.
  • the electrode holder according to this invention is characterized essentially in that it comprises a one-piece cap designed for fitting by snap action to the head of the conducting member of the electrode holder by simply slipping said cap over said head, without any risk of untimely releasing said cap.
  • This cap consists preferably of an element molded from thermosetting polymerized synthetic, insulating and heat-re sisting material, which has embedded therein one portion of a spring blade having its free end adapted, when the cap is fitted in position, automatically to engage and lock a retaining shoulder formed on the surface of the conducting member.
  • this cap is advantageously provided with one or a plurality of longitudinal inner ventilation grooves communicating on the one hand with a small lateral orifice formed at the junction between said cap and the handle or grip, and on the other hand with inner ventilation grooves formed in the inner surface of the insulating handle or grip.
  • the conducting member comprises preferably a V-shaped surface projection adapted to fit into a corresponding seat formed in the insulating handle or grip.
  • FIG. 1 is an axial section showing the head portion of an electrode holder according to this invention
  • F IG. 2 is an elevational view of a handle body adapted to constitute the extension of the handle portion illustrated in MG. 1;
  • FIG. 3 is a front view from above of the head end of the handle
  • FIG. 4 is a front view of the front end of the conducting member
  • FIG. 5 is a rear view of the cap.
  • the conducting member having a bent head comprises a tubular rectilinear shank 1 having at its front end an extension of U-shaped crosssectional contour constituting a bent head 2 in which the jaw 3 for clamping the electrode (not shown) is pivotally mounted by means of a transverse pin 4.
  • the shank ii of the conducting member is housed in a hollow insulating handle or grip 5 consisting of molded thermosetting polymerized synthetic material terminating at the head end with an oblique plane 6 permitting the removal of the head 2 laterally from the insulating hollow handle 5, the rear face 7 of said handle fitting completely in the most projecting portion 8 of the adjacent end of the insulating handle 5, and being formed at its base with a shoulder adapted to bear against a corresponding inner horizontal shoulder 9 formed in said insulating handle 5.
  • the latter In the reentrant angle formed by the shank l and the head 2 'of the conducting member, the latter carries just above said head a projection 10. having a V-shaped base 11 hearing against a corresponding V-shaped seat 12 formed inside the insulating handle 5 near the base of its terminal section taken along the oblique plane 6.
  • said projection 10 of conducting member I, 2 will properly position the latter when the shank 1 is inserted into the handle piece 5 from the oblique end thereof.
  • the end of the conducting shank 1 may also receive by screw engagement thereon a metal socket 16 adapted to receive in turn the current supply conductor and formed at its end opposite to the head of the electrode holder with a pair of lateral holes 17 permitting a proper connection of the current supply conductor inserted into the socket 16.
  • the socket 16 projects beyond the rear end of handle 5 but the latter has a ribbed handle body extension 18 (FIG. 2) of molded synthetic insulating material, formed with external longitudinal ribs 19 interconnected by transverse ribs 20.
  • the body 18 is formed at the front and intermediate its ends with narrow transverse slots 21 and at the rear with larger apertures 22 disposed at the same level as the insulating sheath of the inner current lead-in conductor (not shown). Furthermore, the insulating handle body 18 is formed with inner longitudinal grooves 23 advantageously prolonged within the member 5 by longitudinal grooves 24. If desired the member 5 may also comprise external longitudinal grooves 25.
  • the handle body 18 fits around the rear end of socket l6 and is locked in relation thereto by any suitable means, such as an inner friction spring (not shown).
  • the head 2 of the conducting member is enclosed in a one-piece molded insulating cap 26 formed at its front end with an aperture 27 for engaging the welding electrode between the pivoting jaw 3 and the base of head 2, the rear end ofthis cap being open and formed with an inclined edge engaging the aforesaid oblique plane 6 so as to be connected to the head end of member 5.
  • Anchored and embedded in the base of said cap 26 by molding is the rear-widened end of a blade spring 28 having its free end 29 adjacent the front end of the cap normally upswept towards the axis of said cap.
  • the lower face of the head 2 is formed, slightly back of its front end, with a transverse notch 30 forming in the forward direction a shoulder whereby, when the cap is fitted in position by slipping same on the head 2, the spring blade 28 is deflected to clear this head from beneath, and at the end of this movement thespring end 29 is snapped automatically into the aforesaid notch 30, thus retaining the cap in its mounting position and preventing the untimely or undesired removal thereof.
  • this spring may be of generally T-shaped configuration, its transverse member constituting the portion embedded in the molded element of cap 26, the shank of the T constituting the spring blade proper urging and holding the cap in its locked position.
  • a ventilation groove 31 may be formed and at the junction between the cap 26 and insulating handle 5 a small notch 32 (see FIG. 3) may be formed in one or both of these two elements at the rear end of groove 31 and possibly at the front of a groove 24 to constitute a ventilation hole com municating with the surrounding atmosphere.
  • the cable may be surrounded by a piece of sheet metal perforated by punching to form inturned projecting lips similar to those of a grater, to counteract any tendency of the cable to slip out from the handle.
  • An arc-welding electrode holder comprising a hollow conducting member having a tubular shank and a U-sectioned head at the front end of said shank, said head forming an angle in relation to said shank and having fulcrumed therein a jaw for clamping an electrode, the end portion of said shank which is opposite to said head being screw threaded, an insulating rectilinear handle surrounding said shank and an insulating cap surrounding said head, said handle and cap having oblique surfaces permitting assembly along a transverse joint plane oblique in relation to their axes, said handle being formed with an inner shoulder engageable by a nut screwed on said screwthreaded shank portion for assembling said shank and handle, a metal socket screwed to said screw-threaded shank portion within said handle and adapted to receive the current supply conductor for connecting the holder to a source of welding current, said cap consisting of a one-piece molded element carrying internally a spring blade embedded at one end in the cap material but formed at
  • An arc-welding electrode holder as set forth in claim 4, wherein the current supply conductor engageable in said socket screwed in said shank is surrounded therein by a piece of sheet metal perforated by punching to form inturned louvres therein, the projecting lips of said louvres being adapted to act like the projections of a grater and thus counteract any tendency of the conductor to slip out from said socket.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Arc Welding In General (AREA)
  • Cable Accessories (AREA)
US29462A 1969-04-25 1970-04-17 Ing electrode holder Expired - Lifetime US3597581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6913220A FR2041475A5 (fr) 1969-04-25 1969-04-25

Publications (1)

Publication Number Publication Date
US3597581A true US3597581A (en) 1971-08-03

Family

ID=9033079

Family Applications (1)

Application Number Title Priority Date Filing Date
US29462A Expired - Lifetime US3597581A (en) 1969-04-25 1970-04-17 Ing electrode holder

Country Status (7)

Country Link
US (1) US3597581A (fr)
BE (1) BE749209A (fr)
CH (1) CH518769A (fr)
DE (1) DE2019792A1 (fr)
ES (1) ES378949A1 (fr)
FR (1) FR2041475A5 (fr)
GB (1) GB1274151A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2279340C1 (ru) * 2005-01-11 2006-07-10 Виктор Викторович Битюков Электрододержатель для ручной дуговой сварки и способ крепления электродов к электрододержателю для ручной дуговой сварки
US8276293B2 (en) 2008-07-31 2012-10-02 Electrolux Home Products, Inc. Laundry dryer providing drum rotation reversals and associated altered airflows
US20130119041A1 (en) * 2011-01-05 2013-05-16 Jeff Humenik Insulated electrode cover for a welding electrode holder
CN105215521A (zh) * 2015-10-30 2016-01-06 四川玛瑞焊业发展有限公司 稳定可靠型手持焊机焊头
CN105215522A (zh) * 2015-10-30 2016-01-06 四川玛瑞焊业发展有限公司 改进型手持焊机焊头

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364507A (en) * 1943-04-03 1944-12-05 Arthur A Bernard Electrode holder for welding apparatus
US2432019A (en) * 1945-07-20 1947-12-02 Walter J Koinzan Welding electrode holder
US2889447A (en) * 1957-08-30 1959-06-02 Robert W Runkel Electrode holder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364507A (en) * 1943-04-03 1944-12-05 Arthur A Bernard Electrode holder for welding apparatus
US2432019A (en) * 1945-07-20 1947-12-02 Walter J Koinzan Welding electrode holder
US2889447A (en) * 1957-08-30 1959-06-02 Robert W Runkel Electrode holder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2279340C1 (ru) * 2005-01-11 2006-07-10 Виктор Викторович Битюков Электрододержатель для ручной дуговой сварки и способ крепления электродов к электрододержателю для ручной дуговой сварки
US8276293B2 (en) 2008-07-31 2012-10-02 Electrolux Home Products, Inc. Laundry dryer providing drum rotation reversals and associated altered airflows
US20130119041A1 (en) * 2011-01-05 2013-05-16 Jeff Humenik Insulated electrode cover for a welding electrode holder
US12005534B2 (en) * 2011-01-05 2024-06-11 Constellation Energy Generation, Llc Insulated electrode cover for a welding electrode holder
CN105215521A (zh) * 2015-10-30 2016-01-06 四川玛瑞焊业发展有限公司 稳定可靠型手持焊机焊头
CN105215522A (zh) * 2015-10-30 2016-01-06 四川玛瑞焊业发展有限公司 改进型手持焊机焊头

Also Published As

Publication number Publication date
GB1274151A (en) 1972-05-17
DE2019792A1 (de) 1970-11-12
CH518769A (fr) 1972-02-15
FR2041475A5 (fr) 1971-01-29
BE749209A (fr) 1970-10-01
ES378949A1 (es) 1973-01-16

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