Earth-moving vehicle with device for configuration of...

Excavating – Ditcher – Condition responsive

Reexamination Certificate

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Reexamination Certificate

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07017289

ABSTRACT:
An earth-moving vehicle includes a mobile operating arm; at least one actuator for moving the operating arm through a plurality of positions, wherein one of the plurality of positions is a pre-defined reference position; a control for actuating the actuator; and a configuration device. The configuration device includes a sensor designed for detecting at least the pre-defined reference position of the operating arm and for issuing a corresponding position signal, a disabling valve activated automatically according to the position signal to disable actuation of the actuator when the operating arm reaches the predetermined reference position, and a re-enabling switch which can be switched manually by an operator for deactivating the disabling means to enable the actuator to be actuated.

REFERENCES:
patent: 4600356 (1986-07-01), Bridges et al.
patent: 5000650 (1991-03-01), Brewer et al.
patent: 5188502 (1993-02-01), Tonsor et al.
patent: 5704141 (1998-01-01), Miura et al.
patent: 5822891 (1998-10-01), Fujishima et al.
patent: 5924516 (1999-07-01), Sagaser et al.
patent: 6226902 (2001-05-01), Heyne
patent: 6233511 (2001-05-01), Berger et al.
patent: 6729050 (2004-05-01), Whitten et al.

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