The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 1998
Filed:
Nov. 18, 1996
Ryoichi Kurasako, Gotenba, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A road surface condition changing apparatus which increases a coefficient of friction between a wheel of a vehicle and a road surface without using any consumable materials. A cylinder member is provided in front of the wheel of the vehicle. The cylinder member is rotatable about a rotational axis corresponding to a longitudinal center of the cylinder member. The cylinder member is pressed against a road surface so as to change a road surface condition while being rotated. A support mechanism supports the cylinder member so that the rotational axis of the cylinder member is parallel to the road surface and is inclined with respect to the rotational axis of the wheel. Protrusions, brushes or a water absorbing material may be provided on an outer surface of the cylinder member.