CA1234092A - DEVICE AND METHODS FOR LAYING LINES WITH COUPLING MEMBERS FOR LIFTING - Google Patents

DEVICE AND METHODS FOR LAYING LINES WITH COUPLING MEMBERS FOR LIFTING

Info

Publication number
CA1234092A
CA1234092A CA000366657A CA366657A CA1234092A CA 1234092 A CA1234092 A CA 1234092A CA 000366657 A CA000366657 A CA 000366657A CA 366657 A CA366657 A CA 366657A CA 1234092 A CA1234092 A CA 1234092A
Authority
CA
Canada
Prior art keywords
line
stringing
hoist
load
methods
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
Application number
CA000366657A
Other languages
English (en)
French (fr)
Other versions
CA1251777C (enEXAMPLES
Inventor
Claude L Chapman
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.)
Individual
Original Assignee
Individual
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 claimed from US06/103,348 external-priority patent/US4328952A/en
Priority claimed from US06/154,878 external-priority patent/US4348009A/en
Application filed by Individual filed Critical Individual
Priority to CA000555444A priority Critical patent/CA1251777A/en
Publication of CA1234092A publication Critical patent/CA1234092A/en
Application granted granted Critical
Publication of CA1251777C publication Critical patent/CA1251777C/xx
Expired legal-status Critical Current

Links

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
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching

Landscapes

  • Catching Or Destruction (AREA)
  • Clamps And Clips (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Electric Cable Installation (AREA)
CA000366657A 1979-12-13 1980-12-12 DEVICE AND METHODS FOR LAYING LINES WITH COUPLING MEMBERS FOR LIFTING Expired CA1234092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000555444A CA1251777A (en) 1979-12-13 1987-12-24 Apparatus and methods for line stringing with load pickup coupling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/103,348 US4328952A (en) 1979-12-13 1979-12-13 Apparatus and methods for line stringing
US06/154,878 US4348009A (en) 1980-05-30 1980-05-30 Load pickup coupling device, line stringing apparatus and method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000555444A Division CA1251777A (en) 1979-12-13 1987-12-24 Apparatus and methods for line stringing with load pickup coupling device

Publications (2)

Publication Number Publication Date
CA1234092A true CA1234092A (en) 1988-03-15
CA1251777C CA1251777C (enEXAMPLES) 1989-03-28

Family

ID=26800363

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000366657A Expired CA1234092A (en) 1979-12-13 1980-12-12 DEVICE AND METHODS FOR LAYING LINES WITH COUPLING MEMBERS FOR LIFTING

Country Status (3)

Country Link
EP (1) EP0041997B1 (enEXAMPLES)
CA (1) CA1234092A (enEXAMPLES)
WO (1) WO1981001698A1 (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10112806B1 (en) 2017-07-17 2018-10-30 James R. Dahl Portable hoist arm assembly
US10689113B2 (en) * 2017-12-21 2020-06-23 Wing Aviation Llc Active position control of tethered hook
CN112531571B (zh) * 2020-11-24 2021-06-11 国网江苏省电力有限公司扬州供电分公司 一种电力穿绳系统及其工作方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006884A (en) * 1975-09-22 1977-02-08 Lederhos Donald A Method and apparatus for aerial wire stringing through areas without vertical access
US4124181A (en) * 1977-10-25 1978-11-07 Kolwey Herman G Helicopter external load pickup system
US4170341A (en) * 1978-02-21 1979-10-09 Jacobson Darwin J Aircraft parcel-pickup mechanism
US4247084A (en) * 1979-01-15 1981-01-27 Lindsey Keith E Stringing block threading apparatus
US4278237A (en) * 1979-11-29 1981-07-14 Lindsey Manufacturing Co. Apparatus and method of threading a closed framed opening by helicopters

Also Published As

Publication number Publication date
EP0041997A4 (en) 1982-05-26
EP0041997A1 (en) 1981-12-23
EP0041997B1 (en) 1988-05-11
CA1251777C (enEXAMPLES) 1989-03-28
WO1981001698A1 (en) 1981-06-25

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Legal Events

Date Code Title Description
MKEX Expiry