Shoe bottom heel portion
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United States of America Patent
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N/A
Issued Date -
Feb 8, 2007
app pub date -
Aug 4, 2005
filing date -
Aug 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In a shoe bottom heel portion, an upper midsole of a heel portion includes a central bulge and peripherally arranged pillars, a lower midsole includes a central mound opposing the bulge and peripherally arranged sockets receiving said pillars, and a thin, stiff shank extending rearward from the arch portion of the shoe bottom is bonded to the central bulge and to the central mound. Cavities are formed surrounding the central mound and openings are formed between the contacts. Through bending as well as compression, the upper and lower midsole and the shank cooperate to absorb impact. Optionally, the contacts are simplified and flattened. Optionally, the shank is omitted. Optionally, either of the mound and the bulge is omitted or substituted for the other.
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