CA1028986A - Control of torsional deformation of elongate members - Google Patents

Control of torsional deformation of elongate members

Info

Publication number
CA1028986A
CA1028986A CA258,243A CA258243A CA1028986A CA 1028986 A CA1028986 A CA 1028986A CA 258243 A CA258243 A CA 258243A CA 1028986 A CA1028986 A CA 1028986A
Authority
CA
Canada
Prior art keywords
control
elongate members
torsional deformation
torsional
deformation
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
CA258,243A
Other languages
English (en)
French (fr)
Inventor
Andrew G. Kerr
Kenneth R. Brown
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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
Application filed by Ferranti PLC filed Critical Ferranti PLC
Application granted granted Critical
Publication of CA1028986A publication Critical patent/CA1028986A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA258,243A 1975-08-02 1976-07-30 Control of torsional deformation of elongate members Expired CA1028986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32403/75A GB1519177A (en) 1975-08-02 1975-08-02 Control of torsional deformation of elongate members

Publications (1)

Publication Number Publication Date
CA1028986A true CA1028986A (en) 1978-04-04

Family

ID=10338081

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258,243A Expired CA1028986A (en) 1975-08-02 1976-07-30 Control of torsional deformation of elongate members

Country Status (8)

Country Link
US (1) US4070800A (nl)
JP (1) JPS5218658A (nl)
CA (1) CA1028986A (nl)
DE (1) DE2633221A1 (nl)
FR (1) FR2320595A1 (nl)
GB (1) GB1519177A (nl)
NL (1) NL7608585A (nl)
NO (1) NO762682L (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986592A (ja) * 1982-11-08 1984-05-18 日立建機株式会社 建造用クレ−ン
NO306900B3 (no) * 1997-10-01 2004-06-18 Odim Seismic As Lofteanordning
US10774672B2 (en) * 2013-02-12 2020-09-15 Raytheon Technologies Corporation Rotary actuator for variable vane adjustment system
NL2013384B1 (en) * 2014-08-29 2016-09-26 U-Sea Beheer B V Disturbance compensating marine and off-shore knuckle boom crane, ship provided therewith, and method there for.
DE102015202734A1 (de) * 2015-02-16 2016-08-18 Terex Cranes Germany Gmbh Kran und Verfahren zum Beeinflussen einer Verformung eines Auslegersystems eines derartigen Krans
CN108824694A (zh) * 2018-08-28 2018-11-16 湖南食品药品职业学院 一种梁结构的刚度调节装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728221A (en) * 1952-05-13 1955-12-27 Reuben G Klammer Apparatus for applying fluid pressure
CH343719A (fr) * 1957-02-16 1959-12-31 Genevoise Instr Physique Dispositif pour compenser les déformations d'un élément de machine reposant sur des points fixes, sous l'effet de charges mobiles et de poids variables
US3203141A (en) * 1961-03-15 1965-08-31 Musser C Walton Insistor
US3276024A (en) * 1962-08-06 1966-09-27 Textron Inc Antenna wind torque reducer
DE1509022A1 (de) * 1963-10-18 1969-01-23 Hans Tax Bauelement,insbesondere fuer Krankonstruktionen
DE1483802A1 (de) * 1966-01-11 1969-11-20 Bergwerksverband Gmbh Verfahren zur Steuerung der Lage der horizontalen Querschnittsebene von zum Vortrieb von Strecken im Bergbau dienenden Bohrmaschinen
US3365076A (en) * 1966-10-13 1968-01-23 Clyde Iron Works Inc Device for stabilizing the hook swing of a crane boom
US3707330A (en) * 1971-02-05 1972-12-26 Jarva Inc Light beam guiding device
US3876309A (en) * 1973-10-01 1975-04-08 Joseph P Zicaro Automatically adjustable laser beam positioning apparatus
US3971934A (en) * 1975-08-04 1976-07-27 Joseph Coatta Photoelastic load measurement alarm device

Also Published As

Publication number Publication date
JPS5218658A (en) 1977-02-12
NL7608585A (nl) 1977-02-04
US4070800A (en) 1978-01-31
DE2633221A1 (de) 1977-02-17
GB1519177A (en) 1978-07-26
NO762682L (nl) 1977-02-03
FR2320595A1 (fr) 1977-03-04

Similar Documents

Publication Publication Date Title
AU512592B2 (en) Diaper
AU502034B2 (en) Fire damper
AU500023B2 (en) Manufacture of shaped panels
AU499668B2 (en) Derivatives of phenyl-piperidine
AU500636B2 (en) Isocephalosporins and intermediates
AU512319B2 (en) Diaper
CA1028986A (en) Control of torsional deformation of elongate members
AU512318B2 (en) Diaper
CA1007949A (en) Structural member
CA1018143A (en) Damper arrangement
AU507072B2 (en) Reducing zeearalenone
AU497535B2 (en) Manufacture of phosphonnates
SU621847A1 (ru) Строиьельный элемент
AU507984B2 (en) Structural section
AU498596B2 (en) Manufacture of n-alkenyl-2-aminomethyl-pyrrolidine
AU498319B2 (en) N-carbamoyl ethyl oxanilates
AU489673B2 (en) Series of 1-arylmethyl-2-imidazolidinones
AU498923B2 (en) 11-oxy-213 prostaglandin 9-ketals
AU501349B2 (en) Lintel
AU501409B2 (en) Lintel
CA1030381A (en) Damper construction
AU8599975A (en) Series of 1-arylmethyl-2-imidazolidinones
CA999169A (en) Teaching ukelele
AU493864B2 (en) Damper arrangement
AU500536B2 (en) Manufacture of deutero-fluoro-d-alanine