Method and device for controlling bucket angle of hydraulic shov

Details Method and device for controlling bucket angle of hydraulic shov Method and device for controlling bucket angle of hydraulic shov

1996-07-26

1998-07-21

Melius, Terry Lee

Excavating

Ditcher

Condition responsive

701 50, 414699, E02F 502

Patent

active

057820180

ABSTRACT:
A method and a device to control a bucket actuator, which controls the scooping, carrying, scraping, or digging action of the bucket, automatically switches between a bucket angle-maintaining control mode and a manual operation mode. The bucket angle-maintaining control mode, which automatically maintains a bucket angle, is used when the method determines that excavating is not being performed. The method automatically switches to the manual operation mode when the method determines, from the two parameters of bucket angle and stick movement, that excavating is being performed.

REFERENCES:
patent: 5356259 (1994-10-01), Hanamoto et al.
patent: 5442868 (1995-08-01), Ahn
patent: 5446980 (1995-09-01), Rocke
patent: 5446981 (1995-09-01), Kamada et al.
patent: 5528843 (1996-06-01), Rocke
patent: 5535532 (1996-07-01), Fujii et al.
patent: 5535830 (1996-07-01), Matsushita et al.
patent: 5555942 (1996-09-01), Matsushita et al.
patent: 5598648 (1997-02-01), Moriya et al.

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