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:
Mar. 23, 2010
Filed:
Nov. 28, 2005
Mitsuru Naito, Hiratsuka, JP;
Mitsuru Naito, Hiratsuka, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
The run-flat supporting body () is configured of the annular shell () and elastic rings () and (). The annular shell () works as a supporting surface on an outer peripheral side, and bifurcates into two leg portions on an inner peripheral side. In addition, the annular shell () is provided with a large number of the through holes () in wall surfaces thereof. The elastic rings () and () are attached respectively to the two leg portions of the annular shell (). The run-flat supporting bodyis supported on a rim of a wheel with the elastic rings () and (). According to a configuration of the present invention, peripheries of the respective through holes () are thickened, residual stresses are applied to the peripheries of the respective through holes (), or each through hole () is formed into an elliptic shape having the major axis in a circumferential direction.