Automatic drive control system for a bulldozer

Details Automatic drive control system for a bulldozer Automatic drive control system for a bulldozer

1994-06-24

1995-10-31

Reese, Randolph A.

Earth working

Automatic power control

172 45, 36442407, E02F 376, E02F 300

Patent

active

054621224

ABSTRACT:
An automatic drive control system for a bulldozer comprising a digging start detector for detecting that the bulldozer is in a digging start position, a digging end detector for detecting that the bulldozer is in a digging end position, a driving direction detector for detecting the momentarily varying driving direction of the bulldozer, and a drive controller for shifting a transmission into a forward gear when the digging start detector detects that the bulldozer is presently in the digging start position; shifting the transmission into a reverse gear when the digging end detector detects that the bulldozer is presently in the digging end position; and controlling the bulldozer such that the driving direction detected by the driving direction detector is made coincident with a target driving direction when the bulldozer is moving from the digging start position towards the digging end position.

REFERENCES:
patent: 3556225 (1971-01-01), Matsuzaki
patent: 3751903 (1973-08-01), Bauchet et al.
patent: 4630685 (1986-12-01), Huck, Jr. et al.
patent: 4805086 (1989-02-01), Nielsen et al.
patent: 4934463 (1990-06-01), Ishida et al.
patent: 5297649 (1994-03-01), Yamamoto et al.

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