04391048 is referenced by 124 patents and cites 17 patents.

An elastic sole for a shoe, such as a sport shoe, includes an outer sole with a profiled wearing surface and an inner sole. The inner sole forms at least one chamber. A spring member is located within the chamber and includes a plurality of elastomer spring elements and a tension rod extending through the spring elements. The tension rod is connected to abutments at opposite ends of the spring elements. One end of the tension rod is accessible on the exterior of the sole for adjusting the spring characteristic of the spring member.

Title
Elastic sole for a shoe incorporating a spring member
Application Number
6/217037
Publication Number
4391048
Application Date
December 16, 1980
Publication Date
July 5, 1983
Inventor
Dieter Lutz
Schweinfurt
DE
Agent
Toren McGeady and Stanger
Assignee
Sachs Systemtechnik
DE
IPC
A43B 21/26
A43B 13/18
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