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:
Oct. 14, 1997
Filed:
Dec. 01, 1995
Tokuzo Hirose, Ashiya-shi, Hyogo, JP;
Other;
Abstract
A pair of roller skates capable of skating while keeping the soles in nearly horizontal state even on a slope is presented. A base of a roller skate is provided with driving wheels driven by an internal-combustion engine, and driven wheels. On a sole plate, the foot is placed detachably, and a tilting mechanism is provided between the sole plate and the base. Ends of a first link and a second link are coupled to the front part of the sole plate and the base, respectively, while other ends are coupled to a first nut. Ends of a third link and a fourth link are coupled to the rear part of the sole plate and the base, respectively, while other ends are coupled to a second nut. A screw rod is inserted in the first and second nuts, and a link drive is provided in the middle of the screw rod. The link drive is coupled to the base, and rotates the screw rod about the axial line.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile