Integrated group of excavator control assemblies

Details Integrated group of excavator control assemblies Integrated group of excavator control assemblies

1992-08-11

1996-03-12

Reese, Randolph A.

Excavating

Ditcher

Condition responsive

414 5, E02F 502, B25J 304

Patent

active

054975689

ABSTRACT:
A system for controlling a track propelled excavator that has an allowable 360 degree swing arc including: (a), a positioning controller for all five (propel, swing, boom, arm,and bucket) motions: (b), positioning of small members that represent the large deck, boom, arm, and bracket by a flow of fluid in series with each large member's actuator--eliminating a need for transmitting each digging member's angular position back to the controller; (c), a handle with tooth type edge that represents the large bucket, for scraping along templates for guiding desired earth contours; (d), guide plates and positioning switches for acheiving accurate and safe placement of the bucket during swing and digging motions; (e), a mobile armrest that allows ease of operator's small scale motions when guiding large scale digging: (f), and, an assembly for pulling the small bucket/handle through a series of desired small scale positions to achieve automatic trench digging.

REFERENCES:
patent: 2057086 (1936-10-01), De Millar
patent: 2131291 (1938-09-01), Maust
patent: 2142135 (1939-01-01), Lawton
patent: 3608743 (1971-09-01), Mosher
patent: 3618786 (1971-11-01), Frck
patent: 3698580 (1972-10-01), Carlson et al.
patent: 4288196 (1981-09-01), Sutton, II
patent: 4776750 (1988-10-01), Griswold, Jr. et al.
patent: 5018922 (1991-05-01), Yoshinada et al.
patent: 5103404 (1992-04-01), McIntosh

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