EP 2208827 B1 20151223 - Boom of a working machine
Title (en)
Boom of a working machine
Title (de)
Ausleger einer Arbeitsmaschine
Title (fr)
Flèche d'un engin de travail
Publication
Application
Priority
JP 2009008188 A 20090116
Abstract (en)
[origin: EP2208827A2] A main front boom member (second boom member) (8) includes a pair of side plates (20) configured to sandwich a distal end of a main boom member (first boom member) (6) from both sides of the main boom member in a horizontal direction at base ends of the side plates. The pair of side plates are connected to each other in the horizontal direction by a rigid member (23), and a closed cross-section portion is defined by the rigid member and the side plates. Side-plate extending sections are formed by extending the side plates from the connection-pin insertion sections in a direction away from the boom connection pin (horizontal shaft). A cylinder attachment part, through which a cylinder supporting pin (27) extends, is connected to the side-plate extending sections. The cylinder supporting pin supports one end of the boom cylinder such that the boom cylinder (11) is rotatable. At least a portion of the cylinder supporting pin is disposed closer to the main boom member (6) than the closed cross-section portion in a linear direction connecting the boom foot pin (first-boom member base-end pin) and the horizontal-shaft insertion sections.
IPC 8 full level
E02F 3/30 (2006.01); E02F 3/32 (2006.01); E02F 3/36 (2006.01); E02F 3/96 (2006.01)
CPC (source: EP)
E02F 3/301 (2013.01); E02F 3/325 (2013.01); E02F 3/369 (2013.01); E02F 3/965 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2208827 A2 20100721; EP 2208827 A3 20140423; EP 2208827 B1 20151223; JP 2010163821 A 20100729; JP 4798228 B2 20111019
DOCDB simple family (application)
EP 10150759 A 20100114; JP 2009008188 A 20090116