Christopher S Mays

US Patent:

20130004282, Jan 3, 2013

Filed:

Jun 28, 2011

Appl. No.:

13/170849

Inventors:

Joel R. Grimes - Fuquay-Varina NC, US
Joseph Edward Forcash - Raleigh NC, US
Christopher Lee Mays - Raleigh NC, US
Steven Conrad Budde - Dunlap IL, US

Assignee:

CATERPILLAR, INC. - Peoria IL

International Classification:

B66F 9/20
G06F 19/00
B66F 9/065
E02F 3/36
E02F 3/34

US Classification:

414698, 701 50, 414815

Abstract:

A machine includes a plurality of ground engaging elements and an operator control station supported on a frame. A work tool is pivotably attached to the frame using a lift arm assembly and a tilt linkage. At least one device measures a quantity associated with at least one of the lift arm assembly, the tilt linkage, and the work tool. An electronic controller, in communication with an operator display and the at least one device. The electronic controller is configured to store an operator selected orientation of the work tool, calculate a current orientation of the work tool based on the quantity, and calculate a deviation of the current orientation from the operator selected orientation. A visual representation of the deviation is displayed on the operator display.