发明名称 |
Expandable shoe and shoe assemblies |
摘要 |
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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申请公布号 |
US6883254(B2) |
申请公布日期 |
2005.04.26 |
申请号 |
US20030439656 |
申请日期 |
2003.05.16 |
申请人 |
INCHWORM, INC. |
发明人 |
MILLER HARRY;SHIN BYONG M.;CHIL KWON DONG |
分类号 |
A43B3/26;(IPC1-7):A43B3/26;A43B1/10;A43D1/00 |
主分类号 |
A43B3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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