Takashi Tokita

US Patent:

7882764, Feb 8, 2011

Filed:

Jul 18, 2007

Appl. No.:

11/779566

Inventors:

Shuji Yamada - Numazu, JP
Takashi Tokita - Eaton OH, US
Takeshi Fujimori - Fuji, JP

Assignee:

Nihon Plast Co., Ltd. - Shizuoka

International Classification:

B62D 1/04

US Classification:

74552

Abstract:

A steering wheel includes (a) a core member having a boss portion, a spoke portion, and a rim portion, the spoke portion stretching between the boss portion and the rim portion; and (b) a polyurethane member covering at least the rim portion of the core member, the polyurethane member having a specific gravity of 0. 7 to 0. 9 and a Shore A hardness of 45 to 60. A steering wheel proper defined as being a combination of the core member and the polyurethane member has a weight of 1. 0 to 2. 5 kg. This steering wheel is satisfied in both of weight reduction and maintenance of moment of inertia necessary for steering wheel.