Boots – shoes – and leggings – Boots and shoes – Resilient or flexible shoe
Patent
1976-05-21
1977-08-23
Lawson, Patrick D.
Boots, shoes, and leggings
Boots and shoes
Resilient or flexible shoe
36 28, 36 67A, A43B 110, A43B 1318, A43C 1500
Patent
active
040430588
ABSTRACT:
A straight last athletic training shoe is described employing a foam core sole layer and an apertured sole layer between a harder outer sole layer and the shoe upper. The apertured sole layer provides lightweight cushioning and is preferably a heel lift layer positioned below an intermediate sole layer having a soft resilient foam core surrounded by a border portion of harder resilient material for stability. The foam core is provided within an elongated opening extending longitudingly beneath the heel, arch and metatarsal bones of the wearer's foot for greater cushioning and support. The apertures in the heel lift layer are arranged in three longitudinal rows with at least some apertures being in alignment with the foam core of the intermediate sole layer and the middle row having apertures which are staggered out of alignment with the apertures of the outer two rows.
REFERENCES:
patent: 2034243 (1936-03-01), Maxwell
patent: 2410019 (1946-10-01), Davis
patent: 2527414 (1950-10-01), Hallgren
patent: 2981011 (1961-04-01), Lombardo
patent: 3793750 (1974-02-01), Bowerman
patent: 3984926 (1976-10-01), Calderon
Hollister Geoffrey L.
Vixie Dennis E.
BRS, Inc.
Lawson Patrick D.
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