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DK151712C - HEADWORK WITH TWO SPEED BLOCKS WHICH CAN BE AUTOMATICALLY SEPARATE AND ASSEMBLY. - Google Patents

HEADWORK WITH TWO SPEED BLOCKS WHICH CAN BE AUTOMATICALLY SEPARATE AND ASSEMBLY.

Info

Publication number
DK151712C
DK151712C DK470577A DK470577A DK151712C DK 151712 C DK151712 C DK 151712C DK 470577 A DK470577 A DK 470577A DK 470577 A DK470577 A DK 470577A DK 151712 C DK151712 C DK 151712C
Authority
DK
Denmark
Prior art keywords
headwork
assembly
automatically separate
speed blocks
blocks
Prior art date
Application number
DK470577A
Other languages
Danish (da)
Other versions
DK151712B (en
DK470577A (en
Inventor
Jean Noly
Original Assignee
Potain Sa
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 Potain Sa filed Critical Potain Sa
Publication of DK470577A publication Critical patent/DK470577A/en
Publication of DK151712B publication Critical patent/DK151712B/en
Application granted granted Critical
Publication of DK151712C publication Critical patent/DK151712C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/043—Block and tackle system with variable number of cable parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
DK470577A 1976-10-22 1977-10-21 HEADWORK WITH TWO SPEED BLOCKS WHICH CAN BE AUTOMATICALLY SEPARATE AND ASSEMBLY. DK151712C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7632472A FR2368431A1 (en) 1976-10-22 1976-10-22 Hoist mechanism with two blocks - has upper and lower blocks and grab hooking together and releasing automatically
FR7632472 1976-10-22

Publications (3)

Publication Number Publication Date
DK470577A DK470577A (en) 1978-04-23
DK151712B DK151712B (en) 1987-12-28
DK151712C true DK151712C (en) 1988-06-06

Family

ID=9179288

Family Applications (1)

Application Number Title Priority Date Filing Date
DK470577A DK151712C (en) 1976-10-22 1977-10-21 HEADWORK WITH TWO SPEED BLOCKS WHICH CAN BE AUTOMATICALLY SEPARATE AND ASSEMBLY.

Country Status (4)

Country Link
DE (1) DE2747069C2 (en)
DK (1) DK151712C (en)
FR (1) FR2368431A1 (en)
IT (1) IT1087122B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149690A1 (en) * 1981-12-15 1983-06-23 Liebherr-Werk Biberach Gmbh, 7950 Biberach Device for re-reeving the lifting repe in cranes
DE3515156A1 (en) * 1985-04-26 1986-10-30 M.A.N.-Wolffkran GmbH, 7100 Heilbronn DEVICE FOR RETRIEVING THE LIFTING ROPE IN A CRANE WITH A TROLLEY TRAVELABLE ON A HIGH-ALIGNED TRACK
DE3543214A1 (en) * 1985-06-13 1986-12-18 Liebherr-Werk Bischofshofen GmbH, Bischofshofen Device for re-reeving the crane-hook bottom block connected by a rope to the crab of a crane
DE202009005526U1 (en) 2009-04-11 2010-05-20 Armbruster, Hermann Device for picking up, transporting and tipping grape containers
ITMI20101302A1 (en) * 2010-07-15 2012-01-16 F B F Lli Butti S R L DEVICE FOR AUTOMATICALLY CHANGING THE CUTTING SYSTEM IN LUMINAIRE APPLIANCES, PARTICULARLY FOR TOWER CRANES.
CN105731286A (en) * 2016-03-24 2016-07-06 安徽康成工业产品设计有限公司 Multidirectional cargo carrying device
FR3061164B1 (en) * 2016-12-23 2019-05-24 Manitowoc Crane Group France LIFTING CRANE COMPRISING A DOUBLE MOLDING LIFTING DEVICE
FR3061163B1 (en) 2016-12-23 2019-05-24 Manitowoc Crane Group France LIFTING CRANE COMPRISING A DOUBLE MOLDING LIFTING DEVICE
NL2024563B1 (en) 2019-12-23 2021-09-02 Itrec Bv Crane, vessel comprising such a crane, and a method for up-ending a longitudinal structure
FR3114090B1 (en) 2020-09-16 2022-08-19 Manitowoc Crane Group France Double reeving hoist with latch locking mechanism
FR3114089B1 (en) * 2020-09-17 2022-08-19 Manitowoc Crane Group France Double reeving hoist with rotary locking mechanism
FR3135259B1 (en) 2022-05-04 2024-05-03 Manitowoc Crane Group France Double reeving lifting device with improved latch locking mechanism
FR3139561B1 (en) 2022-09-14 2024-12-20 Manitowoc Crane Group France Lifting equipment with automated gear change

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1451362A (en) * 1965-06-22 1966-01-07 Richier Sa Improvement in hauling devices used for lifting loads
FR1557844A (en) * 1967-12-27 1969-02-21
DE2114418A1 (en) * 1971-03-25 1972-10-05 Wetzel Kg Device for converting cranes to multi-rope operation
DE2116544A1 (en) * 1971-04-05 1972-11-23 F.B. Kroell A/S, Roedovre (Dänemark) Reeving device for winches with a multiple-strand suspended bottom block

Also Published As

Publication number Publication date
DE2747069A1 (en) 1978-04-27
DK151712B (en) 1987-12-28
FR2368431A1 (en) 1978-05-19
IT1087122B (en) 1985-05-31
FR2368431B1 (en) 1980-03-14
DK470577A (en) 1978-04-23
DE2747069C2 (en) 1987-01-22

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Legal Events

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