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Title:
METHOD FOR ACTIVATING A HYDRAULICALLY MOVABLE WORKING ELEMENT OF A WORKING MACHINE, AND A WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/154396
Kind Code:
A1
Abstract:
The invention relates to a working machine and a method for activating a hydraulically movable working element (24), which is provided on a base body (14) of a working machine (11), with at least one main cylinder (19) and at least one auxiliary cylinder (28) which are supplied with pressure medium in order to initiate a pivoting movement, wherein the pivoting movement is activated in a fast mode in a first working pressure region of the hydraulic control device (32), the pivoting movement is activated in a working mode in a second working pressure region which is higher than the first working pressure region, and the pivoting movement is activated in a heavy-load mode in a third working pressure region which is higher than the first and the second working pressure regions, and, as a function of the prevailing working pressure, the pivoting movement of the working element (24) is activated in the fast mode, working mode or heavy-load mode.

Inventors:
GMELIN WOLFGANG (DE)
Application Number:
PCT/EP2011/059374
Publication Date:
December 15, 2011
Filing Date:
June 07, 2011
Export Citation:
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Assignee:
KIESEL TONI (DE)
GMELIN WOLFGANG (DE)
International Classes:
E02F3/38; B66C23/82; B66F9/22; E02D17/13; E02F3/42; E02F3/43; E02F9/20
Domestic Patent References:
WO2003064775A12003-08-07
Foreign References:
US20020011013A12002-01-31
GB2076777A1981-12-09
DE2435676A11975-02-06
US3481251A1969-12-02
DE1919759A11970-11-19
US5467829A1995-11-21
US20070130808A12007-06-14
US3664527A1972-05-23
DE3120110A11982-02-25
DE2434623A11975-02-06
DE2435676A11975-02-06
DE2342943A11974-03-14
EP2146009A12010-01-20
Attorney, Agent or Firm:
MASER, Jochen (DE)
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