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US 2009/0064537 A1Published application
Rotating anti-slip device for soles for footwear
AssigneeEurosuole S.P.A.
InventorGermano Ercoli
Life of this patent
Estimating the term…
Abstract
The present invention relates to the footwear industry. More specifically, the present invention concerns a device that, inserted in soles for footwear, allows the user to equip his or her own footwear, mechanically and easily, with anti-slip serrated nails in the presence of snow or ice or other slippery material on the paved surface.
Claims9
Rotating anti-slip device that allows a sole for footwear to be mechanically and easily equipped with serrated nails in the case of the presence of snow or ice on the paved surface, the device comprising:
- a rotating element fixed in a sole for footwear by two metal inserts, said rotating element having a smooth part, and a part fitted with nails;
- and
- two side supports, the metal inserts anchoring threaded pins of said two side supports to said rotating element in screwing engagement.
Dependencies are inferred from the claim text.