Wheel including tread
First Claim
Patent Images
1. A wheel comprising:
- an inner assembly including a rim generally formed around a hub, the rim including a cross-section having a first side, a second side generally opposite the first side, a ground-facing surface, and a hub-facing surface, wherein the rim includes a plurality of apertures through the second side of the rim; and
an outer assembly including a material different from that of the inner assembly, the outer assembly mechanically coupled through the rim at the first and second sides of the rim, the outer assembly at least partially covering the ground-facing surface of the rim and extending radially inward of the hub-facing surface of the rim, the hub-facing surface of the rim being generally devoid of the material of the outer assembly, wherein the outer assembly extends through the plurality of apertures on the second side of the rim, the outer assembly defining a plurality of buttons on an inner portion of the rim on the second side of the rim.
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Accused Products
Abstract
Wheels and methods of making wheels are disclosed including an inner portion and a tread mechanically coupled to the inner portion. The tread may be mechanically coupled to the inner portion on an inside and an outside of the wheel. The inner portion may include a rim including a plurality of apertures. The inner portion may be high density polyethylene and the tread may be thermoplastic elastomer.
57 Citations
23 Claims
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1. A wheel comprising:
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an inner assembly including a rim generally formed around a hub, the rim including a cross-section having a first side, a second side generally opposite the first side, a ground-facing surface, and a hub-facing surface, wherein the rim includes a plurality of apertures through the second side of the rim; and an outer assembly including a material different from that of the inner assembly, the outer assembly mechanically coupled through the rim at the first and second sides of the rim, the outer assembly at least partially covering the ground-facing surface of the rim and extending radially inward of the hub-facing surface of the rim, the hub-facing surface of the rim being generally devoid of the material of the outer assembly, wherein the outer assembly extends through the plurality of apertures on the second side of the rim, the outer assembly defining a plurality of buttons on an inner portion of the rim on the second side of the rim. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 23)
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16. A wheel comprising:
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a plastic inner section; and an outer section including a different material than the inner section, the outer section mechanically coupled to the inner section, the outer section extending through an aperture on at least one side of the inner section, wherein a ratio of weight of the outer section to weight of the inner section is less than about 0.5;
1. - View Dependent Claims (17)
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18. A wheel comprising:
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a hub; and a rim generally formed around the hub, the rim including; a plurality of generally hollow features; and an annular flange disposed radially outward of the generally hollow features, wherein the annular flange includes a lip extending longitudinally towards a side of the rim to form a cavity radially outward of the hollow features. - View Dependent Claims (19, 20, 21, 22)
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Specification