US1991690A - Slippage permitting clamp - Google Patents

Slippage permitting clamp Download PDF

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Publication number
US1991690A
US1991690A US556649A US55664931A US1991690A US 1991690 A US1991690 A US 1991690A US 556649 A US556649 A US 556649A US 55664931 A US55664931 A US 55664931A US 1991690 A US1991690 A US 1991690A
Authority
US
United States
Prior art keywords
clamp
conductor
slippage
ears
clamping
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
US556649A
Other languages
English (en)
Inventor
Robert L Mccoy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOCKE INSULATOR Corp
Original Assignee
LOCKE INSULATOR CORP
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
Priority to FR659322D priority Critical patent/FR659322A/fr
Priority to FR36267D priority patent/FR36267E/fr
Application filed by LOCKE INSULATOR CORP filed Critical LOCKE INSULATOR CORP
Priority to US556649A priority patent/US1991690A/en
Application granted granted Critical
Publication of US1991690A publication Critical patent/US1991690A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/05—Suspension arrangements or devices for electric cables or lines
    • H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44966—Clasp, clip, support-clamp, or required component thereof having gripping member shifted by operator
    • Y10T24/44974—Threaded cylindrical rod and mating cavity

Definitions

  • V.An important object of the invention is to provide a clamp of this character which may be formed'of what are commonly considered standard parts with the simple addition of means cooperating with the clamping bolts for limiting the Y shown, in the customary manner.
  • v Figure 1 are ears 23 apertured for the passage which constitute necessary parts of a ⁇ releasing clamp ofjtheV opening type.. 'Y
  • ⁇ Yet anotherobject is to provide'a clamp of this fol-#FICE character v'which will be very simple and inexpent sive to make and assemble, positive in action, eincient and durable in service,v
  • the invention preferably consistsin the details of construction and the arrangement and combination of parts to Ybe hereinafter more fully described andvclaimed, and illustrated in the accompanying drawing in which: Y l
  • Figurev2 is a View half in end elevation andhalf in ⁇ section onthe line2-2 of Figure 1.
  • theV clamp as comprising a main lower or body member. 1G formed with a curvedseat 11 which extends longitudinally for the reception of the conductor,V not shown, the ends of the member Y10 ⁇ being flaredor belled as indicatedat 12 vand the ends ofthe seat being correspondingly ared or longitudinally curved as at 13 for the purpose of avoiding bringing any bending strains on the conductor in the event of vibration thereof or what is known as dancing.
  • the body member 10 is formed with laterallyv extend-V ing trunnions 14 with depending lips 15, the trun- ⁇ nions being received within circular holes 16 in links 17 adapted to be bolted at 18 ⁇ on to the lower end of a string of suspension insulators, not
  • the depending lip 15 prevents'accidental disengagement of the links from the trunnions but as an additional safeguard cotters 19 may be provided passing through the trunnions outwardly ofthe links.
  • the body member 10 is formed at opposite sides with pairs of laterally extending ears'20.
  • the movable clamping member 21 which is formed with a transversely curved seat 22 adaptedto contact with the conductor, this seat being moreover Vpreferably slightly longitudinally bowed as indicated by the dotted line in Projecting from opposite sides of the of clamping bolts 24 which pass through holes 25 in the ears 20 and'which are equipped with spring washers 26 and nuts 27. While the washers could be omitted they provide a certain re- 1,5. and a-general imj 2 l' y Y 1,991,690
  • bushings 29 of any suitable metal and which have 'outstanding ianges 30 overlying the tops of the ears 20 and engaged "by thev undersides of the ears 23.
  • the clamp is easily y assembled and applied and is of course used in exactly the same manner as any other of this type though it will be clear that when ⁇ the strain cn the conductor at either side of a tower from whichV the conductor is supported by means of this special clamp exceeds a certain predetermined degree the conductor may slip so that the unequal Y avoidingbringing excessive strainsupon the tow# er such as might cause damage thereto. It is thought from the above that the construction,

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  • Insulators (AREA)
US556649A 1931-08-12 1931-08-12 Slippage permitting clamp Expired - Lifetime US1991690A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR659322D FR659322A (fr) 1931-08-12 1928-06-15 Perfectionnements apportés aux pinces de conducteurs
FR36267D FR36267E (fr) 1931-08-12 1928-12-21 Perfectionnements apportés aux pinces de conducteurs
US556649A US1991690A (en) 1931-08-12 1931-08-12 Slippage permitting clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US556649A US1991690A (en) 1931-08-12 1931-08-12 Slippage permitting clamp

Publications (1)

Publication Number Publication Date
US1991690A true US1991690A (en) 1935-02-19

Family

ID=24222237

Family Applications (1)

Application Number Title Priority Date Filing Date
US556649A Expired - Lifetime US1991690A (en) 1931-08-12 1931-08-12 Slippage permitting clamp

Country Status (2)

Country Link
US (1) US1991690A (fr)
FR (2) FR659322A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001095450A1 (fr) 2000-06-08 2001-12-13 Pirelli General Plc Installation de cable aerien et dispositif de suspension de cable aerien pour ladite installation
US6595472B1 (en) 2001-12-28 2003-07-22 Preformed Line Products Company Cable clamp
US6892990B2 (en) 2002-04-02 2005-05-17 Preformed Line Products Company Modular cable support apparatus, method, and system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426318A1 (fr) * 1978-05-18 1979-12-14 Ceraver Dispositif pour la fixation mecanique d'un cable nu sur un isolateur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001095450A1 (fr) 2000-06-08 2001-12-13 Pirelli General Plc Installation de cable aerien et dispositif de suspension de cable aerien pour ladite installation
CN1309134C (zh) * 2000-06-08 2007-04-04 皮莱利通用公司 架空电缆设备及用于其的架空电缆悬吊装置
US6595472B1 (en) 2001-12-28 2003-07-22 Preformed Line Products Company Cable clamp
US6892990B2 (en) 2002-04-02 2005-05-17 Preformed Line Products Company Modular cable support apparatus, method, and system

Also Published As

Publication number Publication date
FR659322A (fr) 1929-06-27
FR36267E (fr) 1930-04-30

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