Rotating-body support unit and bicycle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorTomohiro USAMI
Life of this patent
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Abstract
A rotating body support unit is mountable on a frame of a bicycle and includes a housing separate from the frame, a rotating body at least partially located within the housing, a bearing to rotatably support the rotating body, and a case detachably mounted to an outside of the housing along an axial direction of the rotating body to support the bearing. The bearing includes an outer ring, an inner ring, and rollers. The outer ring is mounted on the case and the inner ring is mounted on the rotating body. The rotating body is a crankshaft of the bicycle or a rotational component with the same center of rotation as the crankshaft.
Claims12
A rotating body support unit mountable on a frame of a bicycle, the rotating body support unit comprising:
- a housing mountable on the frame;
- a rotating body at least partially located within the housing;
- a bearing to rotatably support the rotating body;
- and
- a case detachably mounted to an outside of the housing along an axial direction of the rotating body to support the bearing;
- wherein
- the bearing includes an outer ring, an inner ring, and rollers between the outer ring and the inner ring;
- the outer ring is mounted on the case and the inner ring is mounted on the rotating body;
- and
- the rotating body is a crankshaft of the bicycle or a rotational component with a same center of rotation as the crankshaft.
Dependencies are inferred from the claim text.