Track-mounted drilling machine with active suspension system

Details Track-mounted drilling machine with active suspension system Track-mounted drilling machine with active suspension system

2007-12-10

2008-12-09

Hurley, Kevin (Department: 3611)

Motor vehicles

With leveling device

C180S009500

Reexamination Certificate

active

07461712

ABSTRACT:
A drilling machine includes a frame, a tower that is supported by the frame, two tracks for movement over the ground, at least three yokes that interconnect the frame and the two tracks, at least three hydraulic cylinders, an inclinometer that senses the inclination of the frame and produces an output signal that is indicative of the inclination of the frame, and a controller that receives the output signal from the inclinometer. The tower includes a drill string. Each yoke is connected to the frame and one of the tracks. Each hydraulic cylinder is extendible and retractable in response to an associated control signal and connected to the frame and an associated yoke. The controller generates control signals for the hydraulic cylinders such that the hydraulic cylinders are controlled to extend or retract to maintain the frame in a level position.

REFERENCES:
patent: 2694581 (1954-11-01), Helmle
patent: 2845251 (1958-07-01), Barton
patent: 2851116 (1958-09-01), Collins
patent: 2953393 (1960-09-01), Lucien
patent: 3417832 (1968-12-01), Ziccardi
patent: 3430790 (1969-03-01), Beltrami
patent: 3899037 (1975-08-01), Yuker
patent: 4703811 (1987-11-01), Lam
patent: 4881609 (1989-11-01), Purcell et al.
patent: 5097916 (1992-03-01), Brandstadter
patent: 5143386 (1992-09-01), Uriarte
patent: 5755382 (1998-05-01), Skotinkov
patent: 5806616 (1998-09-01), Enlund et al.
patent: 6012724 (2000-01-01), Pitkanen
patent: 6056304 (2000-05-01), Brambilla
patent: 6082927 (2000-07-01), Dahlinger et al.
patent: 6173973 (2001-01-01), Robinson
patent: 6209669 (2001-04-01), Young
patent: 6805362 (2004-10-01), Melcher
patent: 2003/0060923 (2003-03-01), Scotese

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