Global Patent Index - EP 4012114 A4

EP 4012114 A4 20221102 - EXCAVATOR

Title (en)

EXCAVATOR

Title (de)

BAGGER

Title (fr)

EXCAVATRICE

Publication

EP 4012114 A4 20221102 (EN)

Application

EP 20849164 A 20200807

Priority

  • JP 2019146180 A 20190808
  • JP 2020030521 W 20200807

Abstract (en)

[origin: EP4012114A1] An excavator which suitably utilizes hydraulic oil flowing out of a boom cylinder during excavation is provided. An excavator includes a boom; an arm; a boom cylinder configured to drive the boom; and an arm cylinder configured to drive the arm. During excavation, the excavator increases a pressure at a rod side with respect to the boom cylinder and supplies the pressure to the arm cylinder.

IPC 8 full level

E02F 9/22 (2006.01); E02F 3/43 (2006.01); F15B 11/028 (2006.01); F15B 21/14 (2006.01)

CPC (source: CN EP)

E02F 3/435 (2013.01 - EP); E02F 9/22 (2013.01 - CN); E02F 9/2217 (2013.01 - EP); E02F 9/2292 (2013.01 - EP); E02F 9/2296 (2013.01 - EP); F15B 11/17 (2013.01 - CN); F15B 13/02 (2013.01 - CN); F15B 21/08 (2013.01 - CN); F15B 21/14 (2013.01 - EP); F15B 2211/20523 (2013.01 - EP); F15B 2211/20576 (2013.01 - EP); F15B 2211/214 (2013.01 - EP); F15B 2211/3057 (2013.01 - EP); F15B 2211/3059 (2013.01 - EP); F15B 2211/30595 (2013.01 - EP); F15B 2211/327 (2013.01 - EP); F15B 2211/71 (2013.01 - EP); F15B 2211/7128 (2013.01 - EP); F15B 2211/7142 (2013.01 - EP); F15B 2211/88 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AL 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 RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4012114 A1 20220615; EP 4012114 A4 20221102; CN 114008276 A 20220201; CN 114008276 B 20230908; JP WO2021025170 A1 20210211; WO 2021025170 A1 20210211

DOCDB simple family (application)

EP 20849164 A 20200807; CN 202080045357 A 20200807; JP 2020030521 W 20200807; JP 2021537412 A 20200807