EP 1541771 B1 20090930 - Hydraulic swivel drive for grab bucket
Title (en)
Hydraulic swivel drive for grab bucket
Title (de)
Hydraulischer Schwenkantrieb für einen Greifer
Title (fr)
Entraînement pivotant hydraulique pour benne preneuse
Publication
Application
Priority
DE 20319227 U 20031211
Abstract (en)
[origin: EP1541771A1] The drive mechanism (1) moves gripping jaws by pushing the ends of the jaws apart. It has two end faces (4,5) which are moved apart by a set of pistons (15,16), moving in cylinders (18,19). The mechanism also includes two threaded spindles (8,9) engaging threaded bores (13) in the ends of a central portion (14). The spindles have square ends (10) and may be turned in opposite directions.
IPC 8 full level
E02F 3/413 (2006.01); E21B 17/00 (2006.01); B66C 3/00 (2006.01); B66C 3/16 (2006.01); E02F 3/47 (2006.01); F15B 15/08 (2006.01)
CPC (source: EP KR US)
B66C 3/00 (2013.01 - KR); B66C 3/005 (2013.01 - EP US); B66C 3/16 (2013.01 - KR); E02F 3/413 (2013.01 - EP US); F15B 15/068 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1541771 A1 20050615; EP 1541771 B1 20090930; AT E444407 T1 20091015; CA 2489610 A1 20050611; DE 20319227 U1 20050421; DE 502004010153 D1 20091112; DK 1541771 T3 20091123; ES 2334227 T3 20100308; JP 2005171754 A 20050630; JP 4584694 B2 20101124; KR 20050058207 A 20050616; NO 20045313 L 20050613; PL 1541771 T3 20100226; US 2005158186 A1 20050721; US 7448312 B2 20081111
DOCDB simple family (application)
EP 04026554 A 20041109; AT 04026554 T 20041109; CA 2489610 A 20041209; DE 20319227 U 20031211; DE 502004010153 T 20041109; DK 04026554 T 20041109; ES 04026554 T 20041109; JP 2004356537 A 20041209; KR 20040103427 A 20041209; NO 20045313 A 20041203; PL 04026554 T 20041109; US 1070204 A 20041213