GB788262A - Rotary tower crane - Google Patents

Rotary tower crane

Info

Publication number
GB788262A
GB788262A GB34120/55A GB3412055A GB788262A GB 788262 A GB788262 A GB 788262A GB 34120/55 A GB34120/55 A GB 34120/55A GB 3412055 A GB3412055 A GB 3412055A GB 788262 A GB788262 A GB 788262A
Authority
GB
United Kingdom
Prior art keywords
tower
jib
crane
nov
luffing
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
GB34120/55A
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
Application filed by Individual filed Critical Individual
Publication of GB788262A publication Critical patent/GB788262A/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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/344—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes

Abstract

788,262. Collapsible tower cranes. LIEBHERR, H. Nov. 29, 1955 [Nov. 30, 1954], No. 34120/55. Class 78 (4). The jib 6 of a slewing crane with a telescoping tower 4, 5 can be folded down against the tower and the tower and jib then lowered about a pivot 25 on a rail bogey 1 so that the tower serves as a towing connection permitting the crane to be transported by road when a wheeled road axle has been secured to the rail bogey 1. As illustrated, the jib 6 is in two parts 22, 23 folded about a hinge 24 before the jib is lowered against the tower. The upper portion 5 of the tower is raised relatively to the lower portion 4 by a cable 20 passing from pulleys 19, 18, 17 either to a winch 21 or to one of the winches used for the movements of the crane. Luffing and hoisting winches 8, 9 are provided and the luffing cable 15 passes over pulleys carried by hinged arms 11, 12. The jib 6 may telescope instead of folding.
GB34120/55A 1954-11-30 1955-11-29 Rotary tower crane Expired GB788262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE788262X 1954-11-30

Publications (1)

Publication Number Publication Date
GB788262A true GB788262A (en) 1957-12-23

Family

ID=6699429

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34120/55A Expired GB788262A (en) 1954-11-30 1955-11-29 Rotary tower crane

Country Status (1)

Country Link
GB (1) GB788262A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453643A (en) * 1978-05-31 1984-06-12 Coles Cranes Limited Cranes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453643A (en) * 1978-05-31 1984-06-12 Coles Cranes Limited Cranes

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