05369896 is referenced by 152 patents and cites 53 patents.

A sports shoe having a vamp and a lower support part which includes a sole, and a wedge arranged on said sole, a mounting insole an additional insole, which is in contact with the user's foot. The shoe includes, associated with the lower support part, an insert including elements which are elastically deformable under pressure and which are enclosed in an airtight casing advantageously of a plastic material, the insert being arranged in a seat provided in the wedge and in the mounting insole in a position corresponding with the heel of the foot. A further insert may be provided at a different location in the shoe.

Title
Sports shoe incorporating an elastic insert in the heel
Application Number
527876
Publication Number
5369896
Application Date
March 1, 1993
Publication Date
December 6, 1994
Inventor
Alfredo Crespan
Mignagola di Carbonera
IT
Enrico Frachey
Ponderano
IT
Agent
Oblon Spivak McClelland Maier & Neustadt
Assignee
Fila Sport S p A
IT
IPC
A43B 21/26
A43B 13/18
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