Brakes – Elements – Brake wheels
Reexamination Certificate
2007-08-21
2007-08-21
Siconolfi, Robert A. (Department: 3683)
Brakes
Elements
Brake wheels
C188S078000
Reexamination Certificate
active
10995646
ABSTRACT:
A brake drum includes a ring-shaped drum body, and a friction member secured to the inner circumferential surface of the drum body. Because the drum body is formed of a lightweight Al alloy and the friction member is formed of an Al-base composite material, the brake drum can be reduced in weight as a whole. Further, because the friction member, having projection portions formed on its outer periphery, is cast enveloped by molten metal of the Al alloy, the friction member and the drum body can be firmly fastened together. Thus, even when a great braking force is applied to the drum brake, the friction member can be prevented from being undesirably detached from the drum body.
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Echigo Takaharu
Koizumi Takashi
Nakao Yasuhiro
Shoji Hiroto
Sugaya Kunitoshi
Honda Giken Kogyo Kabushiki Kaisha
Rankin, Hill Porter & Clark LLP
Siconolfi Robert A.
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