Yukitsugu Saba has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A roller is equipped with a pair of crawlers. Each crawler includes a driving wheel detachably attached to a driving shaft. Each crawler also includes a set of driven wheels. Both sets of driven wheels are supported by a connecting member that is detachably attached on a bottom of a body. A roll, which is vibrated only in the perpendicular direction with respect to the ground surface, is attached to the body.
Abstract: To provide a roller in which the attaching and detaching operation of the crawler is achieved with ease, and a roller which can demonstrates sufficient traveling performance depending on the condition of the ground to be compacted, and a roller which can achieve the compaction of the ground even in the steep sloping ground on stabilizing the vehicle body.
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