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:
Jan. 11, 2011
Filed:
Aug. 29, 2007
Takekazu Kakinuma, Sumida-ku, JP;
Ikuo Yamano, Yokohama, JP;
Yoshihiro Kawarasaki, Isehara, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A vehicle with two parallel wheels according to the invention has split steps (L,R), a vehicle body, a pair of wheels (L,R) coaxially parallelly arranged, a pair of wheel drive units for independently driving the wheels (L,R), and a pair of step run-on assisting mechanisms (L,R) arranged corresponding to the wheels (L,R) and changing the degree of dependency of step run-on operation. The step run-on assisting mechanisms (L,R) each have an assisting turning member () having a circular arc support surface with a curvature radius greater than the radius of the wheel (L,R) and having its turning center in front, in the travel direction, of the rotation center of the wheel, a link member () rotatably supporting the assisting turning member (), and a damper () for changing, according to the speed at which the assisting turning member () collides with a step, force retaining one end of the link member ().