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 (en]
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
Application granted granted Critical
Publication of CA1234092A publication Critical patent/CA1234092A/en
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)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Electric Cable Installation (AREA)
  • Clamps And Clips (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 (en]) 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 (en])
CA (1) CA1234092A (en])
WO (1) WO1981001698A1 (en])

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

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Legal Events

Date Code Title Description
MKEX Expiry