Caterpillar Paving Products Inc.

Jared Todd Woodruff

Lee M Hogan

Nathan L Mashek

Andrew Rafael Kopca

Matthew-D S Frantz

A guidance system for a machine includes one or more guide assemblies. Each guide assembly includes a support member, a lever, an abutment device, a sensor, and a controller. The support member is fixedly coupled to a frame of the machine. The lever is angularly biased away with respect to the support member. The abutment device is coupled to the lever is configured to be abutted and guided on a structure extending along a direction in which the machine moves to modify a roadway surface. The sensor detects a measured angle between the lever and the support member when the abutment device is abutted against the structure. The controller controls an actuation of a steering actuator associated with one or more traction devices of the machine to turn the traction devices based on the measured angle to modify the roadway surface along an extent of the structure.

Guidance system for road construction machines

A system for indicating a fluid level in a fluid tank of a machine includes a plurality of lighting units and at least one indicia. The lighting units are sequentially arranged with respect to each other and configured to be sequentially activated or sequentially deactivated to correspondingly indicate a real-time level of a fluid in the fluid tank. The indicia is disposed along the lighting units to correspondingly indicate at least one threshold level of the fluid in the fluid tank. The indicia allows inference of the real-time level to recede below the at least one threshold level if a sequential deactivation of the lighting units moves past the indicia in a first direction. In addition, the indicia allows inference of the real-time level to exceed the at least one threshold level if a sequential activation of the lighting units moves past the indicia in a second direction.

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Saint Francis, MN, United States of America

Jared Todd Woodruff