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Separable fastener for removable foot supports
   
Document Number
US Patent 4316333
Issued Date
February 23, 1982
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Abstract
A separable fastener device adapted for use in securing a removable foot support device to an internal portion of a shoe. The separable fastener device is comprised of two engaging elements. Each engaging element has a flexible planar base sheet of resilient material wherein one side of each sheet has a pressure responsive adhesive whereby one engaging element is attached to the removable foot support device and the other engaging element is attached to an internal portion of the shoe. Each of the engaging elements has a remaining side providing releasably interengageable mating surfaces in which one engaging element has a surface comprising flexible resilient hook members and the other engaging element has a surface comprising a loosely arranged mat of interlocking hair-like threads. These releasably interengageable mating surfaces engage when the foot support device is positioned in the shoe thereby preventing slippage of the foot support device. However, the foot support device may easily be removed from the shoe when desired by applying a force to the foot support device to cause yielding of the hook members thereby disengaging the hook members from the loosely arranged mat.
Drawing
Separable fastener for removable foot supports - US Patent 4316333 Drawing
Drawing from US Patent 4316333
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Number of Claims:
8
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Published
February 23, 1982
Application Number
06/098,310
Filed
November 28, 1979
US Classification
36/50.1   36/91
Int'l Classification
A43B   7/14   (20060101)   A43B   7/22   (20060101)   A43B   13/00   (20060101)   A43B   17/18   (20060101)   A43B   17/00   (20060101)  
Attorney/Law Firm
USPTO Field of Search
2/DIG.6   36/91   36/100   36/101   36/80   36/81   36/82   36/62   36/50  
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Claims
Description
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