Boots – shoes – and leggings – Soles – Spring heel
Patent
1996-12-03
1998-11-10
Dayoan, B.
Boots, shoes, and leggings
Soles
Spring heel
36 28, 36 35R, 36 38, A43B 1318, A43B 2126, A43B 2130, A43B 2132
Patent
active
058326294
ABSTRACT:
A footwear shock-absorbing device comprises a lower receiving member, an upper receiving member, a plurality of fastening members, and a plurality of coil springs. The lower receiving member has a flat bottom provided with a plurality of columnar projections. The upper receiving member is located on the lower receiving member and provided with a flat top in contact with a footwear pad. The fastening members are fastened respectively at one end thereof with the flat top of the upper receiving member and at another end thereof with said columnar projections. The coil springs are fitted respectively over the fastening members such that both ends of the coil springs urge the flat top of the upper receiving member and the flat bottom of the lower receiving member, so as to enable the fastening members to locate at an upper dead point at such time when the fastening members are not exerted on by an external force.
REFERENCES:
patent: 1112932 (1914-10-01), Preizer
patent: 1261488 (1918-04-01), Cerar et al.
patent: 2668374 (1954-02-01), Seigle
patent: 2836907 (1958-06-01), Windle
patent: 3251145 (1966-05-01), Mack
patent: 4267648 (1981-05-01), Weisz
patent: 4322893 (1982-04-01), Halvorsen
patent: 5224278 (1993-07-01), Jeon
patent: 5343637 (1994-09-01), Schlinder
Dayoan B.
Stashick Anthony
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