Caterpillar Paving Products Inc.

Joseph Alan Lehtola

John Lee Marsolek

Nicholas Alan Oetken

Jeffrey A Renard

Brian G Moriarity

A vibration system for a compactor drum including a central support structure fixedly mounted within the compactor drum. The vibration system also includes a first vibratory exciter coupled to the central support structure. The vibration system further includes a second vibratory exciter coupled to the central support structure. The second vibratory exciter is longitudinally spaced apart from the first vibratory exciter. The vibration system includes a stabilizer element coupled to, and extending between, the first and second vibratory exciters. The stabilizer element is parallel to the central support structure.

Vibration system

A drum assembly for a vibratory compactor and method of retrofitting a vibratory compactor to measure the acceleration and/or vibratory movement of a drum rotatably mounted on the frame of the vibratory compactor. The drum assembly may comprise a drum including a shell, a mounting wall disposed inside the drum and a bulkhead disposed inside the drum and attached to the shell, a first bearing disposed between the frame and the mounting wall, a second bearing, a sensor, and a strap. The first bearing may include an inner race fixedly mounted to the frame. The second bearing may comprise a hub and a bearing shaft circumscribed by the hub and mounted to the bulkhead of the drum. The strap may be attached to the inner race and the hub.

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Buffalo, MN, United States of America

Joseph Alan Lehtola