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:
Jul. 24, 2001
Filed:
Apr. 30, 1999
Ichirou Yamazaki, Komae, JP;
Tsutomu Hamabe, Fujisawa, JP;
Nissan Motor Co., Ltd, Yokohama, JP;
Abstract
An outer surface,of the brake drum,has seven thick portions (,B,to,B,) each having equal mass and separated at an equal distance in the circumferential direction from a reference line which is an arbitrary diameter, six thick portions (,C,to,C,) each having equal mass and separated at an equal distance in the circumferential direction from the same reference line, five thick portions (,D,to,D,) each having equal mass and separated at an equal distance in the circumferential direction from the same reference line, and four thick portions (,E,to,E,) each having equal mass and separated at an equal distance in the circumferential direction from the same reference line. Accordingly, the outer surface (,) of the brake drum (,) has a plurality of thick portions which can be classified into four groups (,B,to,B,C,to,C,D,to,D,, and,E,to,E,), each group having equal mass. The thick portions in respective groups are arranged at an equal distance in the circumferential direction.