Flexible foot support insert for athletic shoe, and the like

Details Flexible foot support insert for athletic shoe, and the like Flexible foot support insert for athletic shoe, and the like

1997-04-01

1999-05-11

Patterson, M. D.

Boots, shoes, and leggings

Preformed, externally applied, wear-connecting attachments

36 43, 36 44, A43B19/00;13/38

Patent

active

059014687

ABSTRACT:
A variably flexible insert, or sets of inserts for an athletic shoe is provided which absorbs and distributes a portion of the user's weight. The insert is constructed of an injection molded plastic defining a plurality of horizontal slot or score lines which penetrate partially or completely through the insert. A series of perforations terminate the ends of the score lines which prevent or reduce cracking propagation of the score lines, and impart greater flexibility to portions of the insert. In one embodiment, the inserts are secured within the athletic shoe by adhesive pads. In another embodiment, foam friction pads are adhesively mounted or laminated on one or both sides of the flexible inserts, and this provides a non-skid surface within the running shoe and along the user's foot, as well as a certain amount of cushioning.

REFERENCES:
patent: 315254 (1885-04-01), Day
patent: 1111361 (1914-04-01), Carr
patent: 1142848 (1915-06-01), Scholl
patent: 1566106 (1925-12-01), Lamb
patent: 1792677 (1931-02-01), Cook
patent: 2404731 (1946-07-01), Johnson
patent: 4266350 (1981-05-01), Laux
patent: 4571857 (1986-02-01), Castellanos
patent: 4813157 (1989-03-01), Boisvert et al.
patent: 5154682 (1992-10-01), Kellerman

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