EP 1213253 B1 20050330 - Self-erecting crane with telescopic and foldable tower
Title (en)
Self-erecting crane with telescopic and foldable tower
Title (de)
Selbstaufstellender Kran mit teleskopierbarem und zusammenklappbarem Turm
Title (fr)
Grue à montage automatisé à tour télescopique et repliable
Publication
Application
Priority
IT MI20002661 A 20001211
Abstract (en)
[origin: EP1213253A1] A tower crane with a self-assembling structure and a foldable and extractable tower having portions (14,15) hinged together at horizontal hinges (12,13), wherein a load arm (17) consists of at least one hinged portion (at 13), the tower (14,15) being hinged at a lower end to a bearing structure (10) with a rotation thrust block (19), at least one third portion (16) slotted into and capable of being extracted from one of the hinged portions (14,15) of tower, wherein the third top portion (16) has a smaller section with respect to the portion of tower (15) in which it slides through the collaboration of guide rollers (26,27) arranged both on the portion of tower (15) and on at least one top part (16), with an actuator (30) arranged to act between a support (42) arranged integral inside said hinged portion of tower (15) and a beam (41) integral with a lower end of said top portion (16). <IMAGE>
IPC 1-7
IPC 8 full level
B66C 23/34 (2006.01); B66C 23/70 (2006.01)
CPC (source: EP)
B66C 23/342 (2013.01); B66C 23/707 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1213253 A1 20020612; EP 1213253 B1 20050330; AT E292085 T1 20050415; DE 60109716 D1 20050504; IT 1319372 B1 20031010; IT MI20002661 A1 20020611
DOCDB simple family (application)
EP 01204746 A 20011207; AT 01204746 T 20011207; DE 60109716 T 20011207; IT MI20002661 A 20001211