EP 1872017 A1 20080102 - HYDRAULIC LIFT ASSIST FOR TRACTOR TOWED EARTH MOVING APPARATUS
Title (en)
HYDRAULIC LIFT ASSIST FOR TRACTOR TOWED EARTH MOVING APPARATUS
Title (de)
HYDRAULISCHE HEBEHILFE FÜR EINE VON EINEM ACKERSCHLEPPER GEZOGENE ERDBAUMASCHINE
Title (fr)
ASSISTANCE DE LEVAGE HYDRAULIQUE POUR APPAREILS DE TERRASSEMENT REMORQUES
Publication
Application
Priority
- US 2006009329 W 20060315
- US 66170305 P 20050315
Abstract (en)
[origin: WO2006099489A1] The present invention includes hydraulic systems designed to allow the selection of a source of pressurized hydraulic fluid to lift a load. In one embodiment, a hydraulic system in accordance with the present invention comprises a hydraulic accumulator that may be selected as a source of pressurized hydraulic fluid to lift a load. Such a hydraulic system may or may not be part of a cushion ride system. The present invention also includes methods for selecting a source of pressurized hydraulic fluid to lift a load and earth moving or ground leveling apparatus that allow the selection of a source of pressurized hydraulic fluid to lift a load.
IPC 8 full level
CPC (source: EP US)
E02F 3/6454 (2013.01 - EP US); E02F 3/6481 (2013.01 - EP US); E02F 3/651 (2013.01 - EP US); E02F 3/652 (2013.01 - EP US); E02F 9/2217 (2013.01 - EP US); F15B 1/021 (2013.01 - EP US); F15B 1/024 (2013.01 - EP US); F15B 2211/205 (2013.01 - EP US); F15B 2211/212 (2013.01 - EP US); F15B 2211/3056 (2013.01 - EP US); F15B 2211/3138 (2013.01 - EP US); F15B 2211/324 (2013.01 - EP US); F15B 2211/327 (2013.01 - EP US); F15B 2211/625 (2013.01 - EP US); F15B 2211/6336 (2013.01 - EP US)
Citation (search report)
See references of WO 2006099489A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006099489 A1 20060921; CA 2601696 A1 20060921; EP 1872017 A1 20080102; US 2006237203 A1 20061026
DOCDB simple family (application)
US 2006009329 W 20060315; CA 2601696 A 20060315; EP 06738394 A 20060315; US 37582306 A 20060315