Expandable shoe and shoe assemblies
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 10, 2003
Issued Date -
N/A
app pub date -
Sep 10, 2001
filing date -
Nov 12, 1999
priority date (Note) -
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Abstract
An improved expandable shoe and inner assembly are disclosed. The expandable shoe includes an outer shell and an adjustable inner assembly is disposed within the outer shell. The inner assembly has a first board portion and a second board portion in overlapping engagement with each other and a control to adjust the position of the first board portion relative to the second board portion. The control includes a locking mechanism shaped to engage and hold one of the first and second board portions, a biasing mechanism to bias the locking mechanism into engagement with one of the first and second board portions; and an urging member having a proximal portion external of the shoe outer shell and positioned and movable transversely to a longitudinal direction of the shoe and in transverse alignment with the locking mechanism.
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