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:
Jun. 27, 1995
Filed:
Sep. 26, 1994
Takashi Shimazu, Aichi, JP;
Haruo Katagiri, Aichi, JP;
Shigeru Sakamoto, Shizuoka, JP;
Hidetoshi Shimizu, Shizuoka, JP;
Akio Inatomi, Aichi, JP;
Masashi Ishihara, Aichi, JP;
Toru Shinoda, Aichi, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Aisin Takaoka Co., Ltd., Toyota, JP;
Abstract
A brake disc rotor comprising: sliding plates on the inside and outside in parallel with and separated from each other in the axial direction of an axle; fins composed of a plurality of curved long partition walls provided between the sliding plates, radially extending from the internal portion to the external portion, and inclined with respect to the radial direction, and a plurality of curved short partition walls provided in parallel between the mutually adjacent long partition walls and extending from a large-diameter internal portion to the external portion; a plurality of ventilation holes radially divided by the fins and composed of the upper and lower ventilation holes with the short partition walls; and inlet and outlet openings opened inward and outward in the radial direction thereof.