Adjustable height insole system

Details Adjustable height insole system Adjustable height insole system

1996-06-10

1998-03-31

Kavanaugh, Ted

Boots, shoes, and leggings

Insoles

Laminated

36 81, 36 37, A43B 716, A43B 1340, A43B 2132

Patent

active

057324816

ABSTRACT:
A variable-height insole system for a shoe includes a soft-flexible insole and a plurality of heel supporting members in the shoe under the insole. The heel supporting members generally increase in hardness in a downward direction. Selectable lift inserts insertable between the heel supporting members have the greatest hardness.

REFERENCES:
patent: 1242363 (1917-10-01), Mueller et al.
patent: 2194637 (1940-03-01), Burger
patent: 2212613 (1940-08-01), Messina
patent: 2700230 (1955-01-01), Beyer
patent: 3124887 (1964-03-01), Vassar
patent: 4633598 (1987-01-01), Moronaga et al.

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