US1986028A - Electrical conduit and wire ground connection - Google Patents

Electrical conduit and wire ground connection Download PDF

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Publication number
US1986028A
US1986028A US387156A US38715629A US1986028A US 1986028 A US1986028 A US 1986028A US 387156 A US387156 A US 387156A US 38715629 A US38715629 A US 38715629A US 1986028 A US1986028 A US 1986028A
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United States
Prior art keywords
spacer
ground connection
members
seat
electrical conduit
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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
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US387156A
Inventor
Lloyd G Terry
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Individual
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Individual
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Publication of US1986028A publication Critical patent/US1986028A/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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 characterised by the form or material of the contacting members
    • H01R4/60Connections between or with tubular conductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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 characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/643Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for rigid cylindrical bodies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/44Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44573Clasp, clip, support-clamp, or required component thereof including track or way guided and retained gripping member
    • Y10T24/4459Clasp, clip, support-clamp, or required component thereof including track or way guided and retained gripping member with operator for moving guided member
    • Y10T24/44598Threaded cylindrical rod and mating cavity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/71Rod side to plate or side
    • Y10T403/7129Laterally spaced rods
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/71Rod side to plate or side
    • Y10T403/7129Laterally spaced rods
    • Y10T403/7135Laterally spaced rods by separable shim or bushing in connector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/71Rod side to plate or side
    • Y10T403/7129Laterally spaced rods
    • Y10T403/7141Plural channels in connector

Definitions

  • each U-bolt may be positioned to include said pipe '1 between its limbs a's-shownatthe rightside? in Fig.1.
  • the electricalaconduit pipe asso- :4 ciated therewitnthezu '-bo1ts;and.clamping1block or. baselplate; 11 'forminmone; bond, and-the spacer In a grounding: connection for elongate cy- 5 block .10; forming .anotherbond;
  • a connecting device comprising a base. plate havingwa. seat .ex-
  • the l invention is; adapted i to: secure together two elongate members; .the axesi'of which extend raf Lin adjacent, isubstantially: paralleleiplanesg the spaced or seatingzielement occunyin athe; space bers together to re enueemen bond there- B sseat dizinith zsr cvergowor fiaidvblocki 10; I
  • the interchan eablegelationoi. thee. :bolts .tothe base plate 1.1, alreadylrexplained, makes: possible I the adjustment just described without. requiring 5 1 1each otherya'spacerhaving grooves forming seats 1 Fromtheforegoing descnption; .it:: will .heiseen the spacing element is not so important as its capacity for aiiording seats in which the two elongate members are held in the proper relative positions under the binding action of the clamping means. 5
  • a grounding connectiomafconnectingdevice comprising two co-operating. U-bolts; a base plate having four quadrangularly: disposed holes to-receive the limbs of said U-bolts to permit them to be arranged in either 'ottwo directions which .are at angles totgeach': other: two; elongate members adapted to: beincluded within said U- bolts the axes of said members lying in substantially parallel planes; andal spacer-for insertion between said tubular members, .said spacerabeing located between said planes and having: intersecting grooves. oneone-is'urface. and having ;a
  • a connecting device comprising a base plate 'havingsa pluralityoi .aperture'sitherein' and a groove extendingxiromend-to end; at
  • clamping means adaptedto extend: through said tending along its mid length from endatoend thereof and into which a. groundconnection is adapted .to-beseated; azispacer havingahseataifi adap ed-torecem id r d member and being adapted on the side opposite said seat to iv aa end i ie er l e i th said ground membe ne u ar let aew a d-s i e memb f; :said base plate having vaperturestliereinc a'xes oiwhi'ch" extend in adjacent substantially parallel 5 planes which are in spaced relation to toreceive said members; andaclamping device'fl to draw said members toward'ea'ch other and in contact with the.
  • said clamping device comprising two era-operating U.- -bolts the limbs of each of which straddle one orlsaid between these planes.
  • the spacing iuncticn of .memberafland; a base. plate; which: engagesitheaw outer side of the other of said members, the end portions of said U-bolts being operatively related to said base plate.
  • An article of manufacture comprising a base plate having a seat extending along its mid length from end to end thereof and into which a ground connection is adapted to be seated; a spacer having a groove forming a seat adapted to receive said ground member and also having grooves to form seats on the side opposite said first mentioned seat adapted to receive a'conduit in-parallelism with said ground member and in angular relation with said ground member; said base plate having apertures therein symmetrically arranged around the center portion thereof; and
  • An article of manufacture comprising a spacer having a groove forming a seat on one side thereof and having on its side opposite said seatfintersecting grooves forming a two-way mom G. TERRY. 20

Description

Jan. 1, 1935. C L. G TERRY 1,986,028
ELECTRICAL CONDUIT AND WIRE GROUND CONNECTION Filed Aug. 20, 1929 INVENTOR. Lloyd 6. J rry- BY l CIM' ATTORNEYS.
ground pipe 7 as shown at the left side in Fig 1 or each U-bolt may be positioned to include said pipe '1 between its limbs a's-shownatthe rightside? in Fig.1.
An insulated neutral or white wire :,30-i s shown extending from the free end oi conduit 6, this wire being grounded by inserting -its'exposed end-3-1 between the clamping nut 15 and a terminal nut 32, one end of the U-bolt 8 may be, if desired, lengthenedsandiprovided:withf additional threads terminalenut 32;- Azrysuitable meansmay bepro- -.vided'to. connect win e to the-base platedl. so as 1 lsaid parallel planesand=having1-a two wayseatc'25 l vfiltzwill be seenthat the device. is .rrery-simple-in .3 2 to form a. ground. connection.
:. its :constructicmand use,; .eachzunitthereof comwprising a plurality oi-awbolts-thatareadaptectto encircle twolpipes; together with the spacer block ;30 IOtherebetween, in such amannemthatwhenthe nuts 15 are tightened thebase'plate' .11 is brought into close contact with. the ground conduit. 'Zyand also the spacer block.10:isicauseditdiormia close I contact betweenzthe pipes;v or 'conduits between bond of electric-conduction is formed betweentthe round pipe. .7 and. the electricalaconduit pipe asso- :4 ciated therewitnthezu '-bo1ts;and.clamping1block or. baselplate; 11 'forminmone; bond, and-the spacer In a grounding: connection for elongate cy- 5 block .10; forming .anotherbond;
- ...:;I Et isnot necessary, inqordertoforman efiicient electric. bond. that: a; pipeconform in. curvature 4 .to, the: Spacer. block groove. in which .itvis seated 1 or that: the pipeconformto the seaty26 inb'ase ;.plate:.11-,- and there'iore (by making such, grooves :3, 101-: greater radii-than the. smallest pipe or c d usually usedlia sin ledevice. embodying. the inzapertures'for the purposet'setiorth;
. 5. 'In a. grounding connection a connecting device; comprising a base. plate havingwa. seat .ex-
' 50 vention.mayrenicientlybeused toembraceanum- .ber of; pipes of; sreatenandzvarying 'diameter.+-;.
. :Bvtightly screwingunthe. nuts :15; the-arms of each 0lt. are: Drung:.-inwardly or. toward each other ,with'the resultthata continued5 .v sprin 4 .55 tension isalways exerted gon. .the'parts, to maintain them in lcseconnection so that exnansionnr co n: the groove 21 .:of-.thespacer block? 10 as-seen in ,-the,unitA-at;.the left end..-.of-..Fig-. 1; but; when the -electric conduit extends) parallel to; the: ground n n aidzelectric conduit (designatedcinunit additionalpartsif;
'; that the l invention is; adapted i to: secure together two elongate members; .the axesi'of which extend raf Lin adjacent, isubstantially: paralleleiplanesg the spaced or seatingzielement occunyin athe; space bers together to re enueemen bond there- B sseat dizinith zsr cvergowor fiaidvblocki 10; I
The interchan eablegelationoi. thee. :bolts .tothe base plate 1.1, alreadylrexplained, makes: possible I the adjustment just described without. requiring 5 1 1each otherya'spacerhaving grooves forming seats 1 Fromtheforegoing descnption; .it::=will .heiseen the spacing element is not so important as its capacity for aiiording seats in which the two elongate members are held in the proper relative positions under the binding action of the clamping means. 5
I claim: 1. In a grounding device, two elongate members one of which is adapted to form a ground,
:a; spacer between. said members; clamping 'meanstodraw Said.n1embersforcibly.into con- 1 tact with opposite sides of said spacer, said spacer .;.'having a two-way seat, to adjustably receive one of said members andan opposed seat to receive plate havingholesto receive the limbs of said "U-bolts to permitthem to be arranged in either pttwo directions which are at angles to each other; two elongate members adapted to be in- 0 cludedwithin said ,U bolts, the" axes-of. said memat 80 in order to provide room-for screwing You said bers lying". substantially. parallel planes; and a spacer for insertion: between said tubularm'embers, said -spacer occupying the space: between for one'oisa'id :membersand alsda' seat for. the
other of said members.
- 3.:In. a grounding connectiomafconnectingdevice comprising two co-operating. U-bolts; a base plate having four quadrangularly: disposed holes to-receive the limbs of said U-bolts to permit them to be arranged in either 'ottwo directions which .are at angles totgeach': other: two; elongate members adapted to: beincluded within said U- bolts the axes of said members lying in substantially parallel planes; andal spacer-for insertion between said tubular members, .said spacerabeing located between said planes and having: intersecting grooves. oneone-is'urface. and having ;a
groove. in. its opposite surface. said; members 40 adaptedto be received-in said grooves.
lindrical bodies, a connecting device" comprising a base plate 'havingsa pluralityoi .aperture'sitherein' and a groove extendingxiromend-to end; at
spacer having a. groove. which forms-a: seatv on -one surface. and oppositely'-disposed==grooves which Iorm seats. on its: opposit'eiesurface; and
clamping: means adaptedto extend: through said tending along its mid length from endatoend thereof and into which a. groundconnection is adapted .to-beseated; azispacer havingahseataifi adap ed-torecem id r d member and being adapted on the side opposite said seat to iv aa end i ie er l e i th said ground membe ne u ar let aew a d-s i e memb f; :said base plate having vaperturestliereinc a'xes oiwhi'ch" extend in adjacent substantially parallel 5 planes which are in spaced relation to toreceive said members; andaclamping device'fl to draw said members toward'ea'ch other and in contact with the. seats onsaidspacer; said clamping device comprising two era-operating U.- -bolts the limbs of each of which straddle one orlsaid between these planes. The spacing :iuncticn of .memberafland; a base. plate; which: engagesitheaw outer side of the other of said members, the end portions of said U-bolts being operatively related to said base plate.
7. An article of manufacture comprising a base plate having a seat extending along its mid length from end to end thereof and into which a ground connection is adapted to be seated; a spacer having a groove forming a seat adapted to receive said ground member and also having grooves to form seats on the side opposite said first mentioned seat adapted to receive a'conduit in-parallelism with said ground member and in angular relation with said ground member; said base plate having apertures therein symmetrically arranged around the center portion thereof; and
means extending through said apertures and adapted to embrace a conduit member seated in one of said seats to secure said parts and members together.
8. An article of manufacture comprising a base 'therebetween. e
plate having a seat into which a member is adapted to be seated; a spacer having a seat adapted to receive said member, and being provided on its side opposite said seat with a plurality of seats adapted to receive a conduit that extends in parallelism with or in angular relation to said member; and means to draw said member and conduit toward each other andinto their respective seats in said spacer to provide an electrical bond 9. An article of manufacture comprising a spacer having a groove forming a seat on one side thereof and having on its side opposite said seatfintersecting grooves forming a two-way mom G. TERRY. 20
US387156A 1929-08-20 1929-08-20 Electrical conduit and wire ground connection Expired - Lifetime US1986028A (en)

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US387156A US1986028A (en) 1929-08-20 1929-08-20 Electrical conduit and wire ground connection

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891296A (en) * 1955-05-09 1959-06-23 American Machine & Metals Clamp
US3046040A (en) * 1960-05-31 1962-07-24 Forrest E Luper Joint structure for tubing
US4032246A (en) * 1976-05-10 1977-06-28 Visi-Trol Engineering Company Clamp
US4776808A (en) * 1987-03-16 1988-10-11 Davidson Richard J Ground contactor
US4904193A (en) * 1988-04-20 1990-02-27 Southwestern Bell Telephone Company Electrical grounding clamp
US5281761A (en) * 1992-02-25 1994-01-25 Burndy Corporation Grounding pipe/water pipe with compression connectors
USD486791S1 (en) 2003-01-29 2004-02-17 Senior Industries, Inc. Ground block
USD487427S1 (en) 2003-01-29 2004-03-09 Senior Industries, Inc. Ground block
US6877996B1 (en) 2002-11-27 2005-04-12 Senior Industries, Inc. Grounding connector
US7637754B1 (en) 2008-10-08 2009-12-29 Jesus Rodolfo Elizondo Yerena Ground connector for attachment to multiple surfaces
US20100167565A1 (en) * 2008-12-29 2010-07-01 Burndy Technology Llc Grounding rebar connector

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891296A (en) * 1955-05-09 1959-06-23 American Machine & Metals Clamp
US3046040A (en) * 1960-05-31 1962-07-24 Forrest E Luper Joint structure for tubing
US4032246A (en) * 1976-05-10 1977-06-28 Visi-Trol Engineering Company Clamp
US4776808A (en) * 1987-03-16 1988-10-11 Davidson Richard J Ground contactor
US4904193A (en) * 1988-04-20 1990-02-27 Southwestern Bell Telephone Company Electrical grounding clamp
US5281761A (en) * 1992-02-25 1994-01-25 Burndy Corporation Grounding pipe/water pipe with compression connectors
US6877996B1 (en) 2002-11-27 2005-04-12 Senior Industries, Inc. Grounding connector
USD486791S1 (en) 2003-01-29 2004-02-17 Senior Industries, Inc. Ground block
USD487427S1 (en) 2003-01-29 2004-03-09 Senior Industries, Inc. Ground block
US7637754B1 (en) 2008-10-08 2009-12-29 Jesus Rodolfo Elizondo Yerena Ground connector for attachment to multiple surfaces
US20100167565A1 (en) * 2008-12-29 2010-07-01 Burndy Technology Llc Grounding rebar connector
US8007293B2 (en) * 2008-12-29 2011-08-30 Hubbell Incorporated Grounding rebar connector

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