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Sole attachment for facilitating walking
   
Document Number
US Patent 4294025
Issued Date
October 13, 1981
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Abstract
A sole attachment or undersupport in the form of a plate attached to the sole of footwear, in particular a ski boot, wherein the lower tread or walking surface is domed in the direction of the sole. The plate is provided with holder elements which engage over the sole. One of the holder elements is rigid, the other holder element is movable. Fixing means, for instance pins are provided, which engage into bores provided at the ski boot sole. The plate consists of telescopically adjustable plate portions. There are also provided recesses in the tread surface and adjustable anti-skid elements, such as adjustable pins serving to prevent slipping or skidding by the user. Holders can be provided for securing the sole attachment at a ski when it is not worn at the ski boot or the like.
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Sole attachment for facilitating walking - US Patent 4294025 Drawing
Drawing from US Patent 4294025
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Number of Claims:
14
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Owner
Roll & Go AG (Stansstad,CH)
Published
October 13, 1981
Application Number
06/121,993
Filed
February 19, 1980
US Classification
36/132   74/594.6
Int'l Classification
A43B   5/04   (20060101)  
Attorney/Law Firm
USPTO Field of Search
36/132   36/136   12/120.5  
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Claims
Description
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