[go: up one dir, main page]

GB1305377A - - Google Patents

Info

Publication number
GB1305377A
GB1305377A GB1305377DA GB1305377A GB 1305377 A GB1305377 A GB 1305377A GB 1305377D A GB1305377D A GB 1305377DA GB 1305377 A GB1305377 A GB 1305377A
Authority
GB
United Kingdom
Prior art keywords
tower
counterweight
turntable
feb
slewing
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
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 filed Critical
Publication of GB1305377A publication Critical patent/GB1305377A/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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • 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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

1305377 Counterbalancing tower cranes W F VONCK 4 Feb 1970 [5 Feb 1969] 6175/69 Heading B8B A tower crane comprises a tower 10 carrying a jib 11 and mounted for slewing on a turntable E carried by a chassis A on wheels B. A counterweight 20 is provided on the turntable E diametrically opposite to the mast mounting 17, the radially outermost portions of the tower 10 and of the counterweight 20 being at substantially equal distances from the slewing axis 21.
GB1305377D 1969-02-05 1969-02-05 Expired GB1305377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB617569 1969-02-05

Publications (1)

Publication Number Publication Date
GB1305377A true GB1305377A (en) 1973-01-31

Family

ID=9809790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1305377D Expired GB1305377A (en) 1969-02-05 1969-02-05

Country Status (4)

Country Link
DE (1) DE2005264A1 (en)
FR (1) FR2030316B1 (en)
GB (1) GB1305377A (en)
NL (1) NL7001663A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE408636B (en) * 1975-07-15 1979-06-25 Mustonen Eelis Juhani MOBILE CRANE WITH TELESCOPIC BOOM AND EQUIPPED WITH ADDITIONAL BOOM DEVICES
DE3030820C2 (en) * 1979-08-17 1987-01-29 Coles Cranes Ltd., Sunderland, Tyne and Wear Mobile crane with a telescopic boom

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067603A (en) * 1965-02-13 1967-05-03 Hector Reid Improvements in or relating to cranes

Also Published As

Publication number Publication date
NL7001663A (en) 1970-08-07
FR2030316A1 (en) 1970-11-13
DE2005264A1 (en) 1970-09-10
FR2030316B1 (en) 1974-10-11

Similar Documents

Publication Publication Date Title
GB1312126A (en) Mobile jib crane
GB1459739A (en) Cranes including boom hoist and gantry assemblies
GB1219611A (en) Multi-purpose mobile crane
CA1002003A (en) Boom and jib assembly for boom crane
GB1362915A (en) Mobile crane
GB1310635A (en) Tower crane
GB1048722A (en) Improvements in tower cranes
GB1489368A (en) Mobile cranes
GB1305377A (en)
GB1036737A (en) Convertible crane
GB1005008A (en) Crane
GB890736A (en) A mobile crane
GB766334A (en) Improvements in cranes
GB1291399A (en) Truck-mounted crane
GB1120050A (en) Double slewing crane
GB1306200A (en)
GB1275532A (en) Transportable tower crane for rapid erection
CA1007669A (en) Load transmitter for crane jib
GB1432464A (en) Building crane
GB1321611A (en) Cranes
GB1313828A (en) Slewing jib crane
GB910626A (en) Floating crane with luffing jib mounted on a rotatable member
GB728032A (en) Improvements in hoisting cranes adapted for permanent mounting upon automobile freight carriages
GB1032100A (en) Jib type crane apparatus
CA891347A (en) Device for suspension of a load on a jib tower crane

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees