Patent Number: 6,253,883

Title: Brake drum with parallel grooves

Abstract: In the brake drum, a plurality of grooves are formed on the slid surface thereof in such a manner that the grooves respectively extend in parallel to the sliding direction of the brake drum.

Inventors: Wakisaka; Toshiaki (Shizuoka, JP), Fujita; Kazuyuki (Shizuoka, JP)

Assignee: NSK-Warner Kabushiki Kaisha

International Classification: F16D 65/02 (20060101); F16D 65/10 (20060101); F16H 63/30 (20060101); F16D 69/00 (20060101); F16D 065/10 (); F16D 065/06 ()

Expiration Date: 07/03/2018