EP 1514832 A1 20050316 - Lifting device
Title (en)
Lifting device
Title (de)
Hebezeug
Title (fr)
Engin de levage
Publication
Application
Priority
EP 03405677 A 20030915
Abstract (en)
The machinery has counter-weights (100) moving in a curvilinear guiding path (1) arranged opposite a boom. Slope variation of the path is chosen such that the counter-weights exert a variable traction on the boom through a hold back (11). The traction assists deployment/folding movement of the boom in articulated or inclinable working mode and/or change of conformation of the boom associated to a change of working mode.
Abstract (fr)
Engin de levage et de manutention de charges à flèche distributrice orientable comprenant un pylône avec un pivot tournant, une flèche (10) montée en articulation au sommet du pylône par un axe de rotation horizontal (27), un ensemble de retenue de flèche comprenant un poinçon (7), une élingue de retenue (11) de flèche et un contrepoids mobile relié à la flèche par l'élingue de retenue. Le contrepoids (100) est asservi à suivre une voie de roulement curviligne (1) agencée à l'opposé de la flèche, dont les variations de pente (α) sont choisies de sorte que le contrepoids exerce, une traction variable sur ladite flèche. <IMAGE>
IPC 1-7
IPC 8 full level
B66C 23/68 (2006.01); B66C 23/76 (2006.01)
CPC (source: EP US)
B66C 23/68 (2013.01 - EP US); B66C 23/76 (2013.01 - EP US)
Citation (search report)
- [DXY] EP 0379448 A1 19900725 - POTAIN SA [FR]
- [DY] WO 0204336 A1 20020117 - YERLY JEAN MARC [CH]
- [A] DE 279083 C
- [A] DE 289839 C
- [A] DE 261429 C
- [DA] EP 1057776 A1 20001206 - YERLY JEAN MARC [CH]
- [A] DATABASE WPI Section PQ Week 197744, Derwent World Patents Index; Class Q38, AN 1977-J9307Y, XP002269404
- [A] DATABASE WPI Section PQ Week 198823, Derwent World Patents Index; Class Q38, AN 1988-155526, XP002269405
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1514832 A1 20050316; AT E446275 T1 20091115; AU 2004272136 A1 20050324; CA 2539014 A1 20050324; DE 602004023738 D1 20091203; EP 1667931 A1 20060614; EP 1667931 B1 20091021; US 2006283826 A1 20061221; US 7331476 B2 20080219; WO 2005026036 A1 20050324
DOCDB simple family (application)
EP 03405677 A 20030915; AT 04761917 T 20040914; AU 2004272136 A 20040914; CA 2539014 A 20040914; CH 2004000577 W 20040914; DE 602004023738 T 20040914; EP 04761917 A 20040914; US 57198204 A 20040914