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US 2022/0016931 A1Published application
Spiral spring wheel
OwnerSun T. Honginventor
Life of this patent
Estimating the term…
Abstract
A spiral spring wheel includes a ring spring and a leaf spring assembly surrounding an outer surface of the ring spring. A shoe is placed over the leaf spring assembly. The shoe sidewalls extend past the leaf spring assembly and tuck under the ring spring. Each torsion spring in a first plurality of torsion springs extends in a clockwise spiral shape from a flange to an inner surface of the ring spring. Each torsion spring in a second plurality of torsion springs extends in a counterclockwise spiral shape from the flange to the inner surface of the ring spring.
Claims17
A spiral spring wheel comprising:
- a ring spring;
- a leaf spring assembly surrounding an outer surface of the ring spring;
- a shoe placed over the leaf spring assembly, the shoe having sidewalls that extend past the leaf spring assembly and tuck under the ring spring;
- a flange;
- a first plurality of torsion springs, each of the torsion springs in the first plurality of torsion springs extending in a clockwise spiral shape from the flange to an inner surface of the ring spring;
- and,
- a second plurality of torsion springs, each of the torsion springs in the second plurality of torsion springs extending in a counterclockwise spiral shape from the flange to the inner surface of the ring spring.
4 more elements
A spiral spring wheel comprising:
- a ring spring;
- a cushioning assembly surrounding an outer surface of the ring spring;
- a shoe placed over the cushioning assembly, the shoe having sidewalls that extend past the cushioning assembly and the ring spring;
- a flange;
- a first plurality of torsion springs, each of the torsion springs in the first plurality of torsion springs extending in a clockwise spiral shape from the flange to an inner surface of the ring spring;
- and,
- a second plurality of torsion springs, each of the torsion springs in the second plurality of torsion springs extending in a counterclockwise spiral shape from the flange to the inner surface of the ring spring.
4 more elements
Dependencies are inferred from the claim text.