Wheel, drive wheel, and wheelchair
AssigneeHonda Motor Co., Ltd.
InventorsYoshihiro Kawahara, Tomoki Murozono, Yasuhiro Toguchi, Nobuyuki Shibutani
Life of this patent
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Abstract
Provided is a wheel (6a) in which a disk (62) includes a ring-shaped rim (60) on which a tire (6b) is fitted, and a disk (62) having a flat circular shape and disposed on an inner circumference of the rim (60). The disk (62) includes a first rib (62a) and a second rib (62b) which extend in a radial direction of the disk (62). A width of each of the first rib (62a) and the second rib (62b) in a circumferential direction of the disk (62) increases toward an outer circumferential side of the disk (62).
Claims6
A wheel comprising:
- a ring-shaped rim on which a tire is fitted, and a disk having a flat circular shape and disposed on an inner circumference of the rim, wherein
- the disk comprises a protrusion extending in a radial direction of the disk,
- a width of the protrusion in a circumferential direction of the disk increases toward an outer circumferential side of the disk, and
- an edge shape of a tip portion of the protrusion on the outer circumferential side in the radial direction is a curved shape which is curved along a circumferential edge of the disk, or a straight line shape which is orthogonal to a straight line passing a center of the disk and extending in the radial direction.
A wheel comprising:
- a ring-shaped rim on which a tire is fitted, and a disk having a flat circular shape and disposed on an inner circumference of the rim, wherein
- the disk comprises a protrusion extending in a radial direction of the disk,
- a width of the protrusion in a circumferential direction of the disk increases toward an outer circumferential side of the disk,
- at least one of a pair of side surfaces of the protrusion is inclined relative to a plane including a central axis of the disk and
- an inclination angle of the at least one of the pair of side surfaces of the protrusion relative to the plane increases toward the outer circumferential side of the disk.
A wheel comprising:
- a ring-shaped rim on which a tire is fitted, and a disk having a flat circular shape and disposed on an inner circumference of the rim, wherein
- the disk comprises a plurality of protrusions extending in a radial direction of the disk, and a flat plate provided between two protrusions which are adjacent,
- a width of each of the protrusions in a circumferential direction of the disk increases toward an outer circumferential side of the disk,
- the flat plate is formed by stacking a plurality of fiber reinforced material sheets including at least a first fiber reinforced material sheet and a second fiber reinforced material sheet,
- the first fiber reinforced material sheet includes a first fiber having a fiber direction being a first direction along a straight line passing a center of the first fiber reinforced material sheet and extending from a center of the disk in the radial direction, and
- the second fiber reinforced material sheet includes a second fiber having a fiber direction being the first direction, and a third fiber having a fiber direction being a second direction intersecting the first direction.
Dependencies are inferred from the claim text.