Back to results
US 4,733,483 AGranted
Custom midsole
AssigneeAutry Industries, Inc.
InventorYung-Mao Lin
Life of this patent
Estimating the term…
Abstract
A midsole (10 and 22) for an activewear shoe (12) comprises an insert (10) and a peripheral member (22). A plurality of independent cushioning elements (34) depend from a base member (32) of insert (10), and are sized in order to conform to the lift of peripheral member (22). The cushionability and resiliency of insert (10) may be selected according to the wearer's weight and cushionability preference.
Claims15
A midsole for disposal on an upper surface of an outsole, comprising:
- a removable insert of said midsole, and a peripheral member of said midsole disposed laterally outwardly of said removable insert;
- said peripheral member forming an orifice, said removable insert insertable through said orifice to make contact to said upper surface of said outsole, said peripheral member permanently affixed to said upper surface of said outsole;
- said removable insert having a lower surface for contacting said upper surface of said outsole, a plurality of convex cushioning elements formed to fill at least a major portion of said lower surface, said elements each operable to cushionably deform and flatten responsive to a force having a component perpendicular to said lower surface at said element, each element operable to deform independently of the remaining elements.
Dependencies are inferred from the claim text.