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:
Nov. 17, 1987
Filed:
Dec. 09, 1985
Shinichiro Ohkuni, Akishima, JP;
Shinichi Tamada, Sayama, JP;
Bridgestone Tire Company Limited, Tokyo, JP;
Abstract
A pneumatic tire for motorcycles is disclosed, which comprises a tread portion defining a maximum width of the tire, a pair of sidewall portions, a pair of bead portions, a carcass of radial or semi-radial structure composed of at least one rubberized cord ply containing organic fiber cords therein, and a belt superimposed about a crown region of the carcass and composed of at least one cord layer containing cords with a modulus of elasticity of at least 600 kgf/mm.sup.2 arranged at an angle of not more than 30.degree. with respect to the equatorial plane of the tire, and has an aspect ratio of not more than 86%. In this tire, a ratio of a distance between a radial height of the sidewall portion and a position of a maximum width of the carcass to a radial height of the sidewall portion is not more than 20%, and both end portions of at least one rubberized cord layer constituting the carcass are wound around bead rings from inside toward outside to form turnups, and a stiffener inclusive of a tapered rubber filler having a Shore A hardness of at least 60.degree. is disposed from an upper part of bead ring toward the tread portion.