Shock-absorbing system for shoe

Details Shock-absorbing system for shoe Shock-absorbing system for shoe

1998-06-25

1999-08-10

Sewell, Paul T.

Boots, shoes, and leggings

Soles

Cushion

36 27, 36 35B, 36 3B, A43B 1320, A43B 2126

Patent

active

059339837

ABSTRACT:
A shock-absorbing system for a shoe comprises an upper shell having a forefoot portion, a midfoot portion and a rearfoot portion; a sole unit having an insole, a midsole and an outsole, the midsole or outsole being formed with a depression; a cap member received in the depression formed in the sole unit while defining an inner space of a desired cross-section, the cap member having a plurality of cushioning arms which are spaced apart from each other and have a arch-shaped configuration; and a fluid-filled bladder member nested onto the plurality of cushioning arms of the cap member.

REFERENCES:
patent: 1711302 (1929-04-01), Belpedio
patent: 2532742 (1950-12-01), Stoiner
patent: 4815221 (1989-03-01), Diaz
patent: 4843737 (1989-07-01), Vorderer
patent: 4881329 (1989-11-01), Crowley
patent: 5175946 (1993-01-01), Tsai
patent: 5224278 (1993-07-01), Jeon
patent: 5408760 (1995-04-01), Tse et al.
patent: 5704137 (1998-01-01), Dean et al.
patent: 5815950 (1998-10-01), Wang

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