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US 6,978,867 B2Granted
Bicycle hub with an attached cooling disk
AssigneeShimano Inc.
InventorKeiji Matsueda
Life of this patent
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Abstract
A bicycle hub brake component is provided for braking a hub of a wheel mounted on a bicycle frame The component comprises a brake drum and a cooling disk. The brake drum has a drum body that is adapted to rotate integrally with the hub, wherein the drum body has a brake face on an inner peripheral surface thereof. The cooling disk is crimped and/or caulked to an outer peripheral surface of the brake drum.
Claims31
A bicycle hub brake component for braking a hub of a wheel mounted on a bicycle frame, wherein the component comprises:
- a brake drum having a drum body adapted to rotate integrally with the hub, wherein the drum body has a brake face on an inner peripheral surface thereof;
- a cooling disk crimped to an outer peripheral surface of the drum body;
- wherein the drum body has a crimping portion to which the cooling disk is crimped;
- wherein the crimping portion of the drum body has a crimping face that has a smaller diameter than another face of the drum body for axially retaining the cooling disk in a first direction;
- and
- wherein the cooling disk has a free end portion that is bent radially inwardly to extend along the crimping face of the drum body and terminate in close proximity to the crimping face of the drum body so that the bent free end portion overlaps the crimping face of the drum body when viewed along a direction of a rotational axis of the drum body.
3 more elements
Dependencies are inferred from the claim text.