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US 10,278,453 B2Granted
Shoe with heel slider for pilots
OwnerGuido Rietdykinventor
Life of this patent
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Abstract
A shoe includes a shoe upper and a sole coupled to the shoe upper and that includes a lower surface comprising a first material. A heel insert is embedded in a heel portion of the sole and includes a second material having a coefficient of friction less than a coefficient of friction of the first material, such as less than half. The heel insert may include projections made of a low-friction material such as nylon or UHMW whereas the sole is made from rubber. The projections may be embedded in a frame that seats within an inverted U-shaped channel defined by the sole.
Claims10
A shoe comprising:
- a shoe upper;
- a sole coupled to the shoe upper and comprising a lower surface comprising a first material, the sole and shoe upper defining a volume sized to receive a wearer's foot;
- and
- a heel member secured to a heel portion of the sole and comprising a second material having a coefficient of friction less than a coefficient of friction of the first material;
- wherein the heel member includes a heel insert embedded in the heel portion of shoe, and wherein the sole defines a channel in the heel portion and the heel insert protrudes out of the channel.
2 more elements
A shoe comprising:
- a shoe upper;
- a sole coupled to the shoe upper and comprising a lower surface comprising a first material, the sole and shoe upper defining a volume sized to receive a wearer's foot;
- and
- a heel member secured to a heel portion of the sole and comprising a second material having a coefficient of friction less than a coefficient of friction of the first material;
- wherein the heel member includes a heel insert embedded in the heel portion of shoe, and wherein the sole defines an inverted U-shaped channel in the heel portion and the heel insert protrudes from inside the shoe out of the U-shaped channel.
2 more elements
Dependencies are inferred from the claim text.