Athletic shoe having inflatable bladder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 23, 1999
Issued Date -
N/A
app pub date -
Apr 17, 1996
filing date -
Aug 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An athletic shoe is described, provided with an inflatable tongue or bladder for a more secure fit to the user's foot. The bladder may include a plurality of chambers with a valve disposed therebetween to selectively inflate the chambers. The inflatable tongue or bladder has a lightweight pump disposed thereon. Inflatable footwear having an inflation bag under the foot is also disclosed. The inflation bag is formed by two sheets of material that are welded together. Interior welds are provided to moderate the thickness of the inflation bag. A foam layer having apertures is positioned adjacent to the inflation bag. The apertures overlie the interior welds and are sized larger than the interior welds. Also described is a slider valve that enables selective inflation of individual bladder chambers.
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