EP 0747315 A4 19970604 - METHOD AND DEVICE FOR AUTOMATICALLY STRETCHING AND STORING A SUB-JIB FOR A CRANE
Title (en)
METHOD AND DEVICE FOR AUTOMATICALLY STRETCHING AND STORING A SUB-JIB FOR A CRANE
Title (de)
VERFAHREN UND VORRICHTUNG ZUM AUTOMATISCHEN STRECKEN UND ZUSAMMENLEGEN DES BEWEGLICHEN AUSLEGERS EINES TELESKOPKRANS
Title (fr)
PROCEDE ET DISPOSITIF DE DEPLOIEMENT ET DE RANGEMENT AUTOMATIQUE DU BRAS ARTICULE D'UNE FLECHE DE GRUE TELESCOPIQUE
Publication
Application
Priority
- JP 9500252 W 19950222
- JP 5273494 A 19940225
Abstract (en)
[origin: WO9523111A1] The present invention relates to method and device for automatically stretching and storing a sub-jib for a crane which needs fewer man-hours for preparation and less manual work and which enables a sub-jib to be stretched and stored within a short period of time in an easy, secure and safety fashion. To this end, the device comprises a laterally holding device for oscillating a sub-jib (6) in a lateral direction, a rotational bracket portion (30) for separating or connecting the sub-jib from to a top boom (5), first locking device (40) and second locking device (60) for locking the top boom and the rotational bracket portion and a rotating device (50) for rotational bracket portion relative to the boom.
IPC 1-7
IPC 8 full level
B66C 23/42 (2006.01); B66C 23/70 (2006.01)
CPC (source: EP KR)
B66C 13/16 (2013.01 - KR); B66C 23/702 (2013.01 - EP KR); B66C 23/84 (2013.01 - KR); B66C 2700/0357 (2013.01 - KR)
Citation (search report)
- [A] EP 0467722 A1 19920122 - PPM SA [FR]
- See references of WO 9523111A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 9523111 A1 19950831; CN 1143353 A 19970219; EP 0747315 A1 19961211; EP 0747315 A4 19970604; JP 3090393 B2 20000918; JP H07237888 A 19950912; KR 970701150 A 19970317; TW 345195 U 19981111
DOCDB simple family (application)
JP 9500252 W 19950222; CN 95191934 A 19950222; EP 95909954 A 19950222; JP 5273494 A 19940225; KR 19960704490 A 19960816; TW 85215623 U 19950216