Boots – shoes – and leggings – Boots and shoes – Sandals
Reexamination Certificate
2000-08-14
2001-11-13
Sewell, Paul T. (Department: 3728)
Boots, shoes, and leggings
Boots and shoes
Sandals
C036S028000, C036S007800, C036S027000, C036S037000, C036S029000
Reexamination Certificate
active
06314661
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a sandal device. More particularly, the present invention relates to a sandal device which can massage a foot of a user.
A sandal has an insole. A plurality of magnetic blocks can be disposed on the insole to massage a foot of a user. However, the user will feel uncomfortable after a long period of usage.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a sandal device which can massage a foot of a user and the user will feel comfortable while wearing the sandal device.
Accordingly, a sandal device comprises an outsole, an air cushion disposed on the outsole, and an insole disposed on the air cushion. The air cushion has two periphery flanges, a periphery spacing, a plurality of hollow protrusions formed on an upper portion of the air cushion and a plurality of hollow sockets formed on a lower portion of the air cushion to match the hollow protrusions. An elastic woven fabric and a shock-absorbing band are inserted in the periphery spacing of the air cushion. The shock-absorbing band has two periphery recesses for receiving the periphery flanges of the air cushion. Each of the hollow protrusions has a groove for receiving a magnetic block and a collar. A coiled spring has a lower portion inserted in the respective hollow socket and an upper portion inserted in the respective collar. An adhesive band encloses the elastic woven fabric and the shock-absorbing band.
REFERENCES:
patent: 4694831 (1987-09-01), Seltzer
patent: 5224278 (1993-07-01), Jeon
patent: 5502901 (1996-04-01), Brown
patent: 5513448 (1996-05-01), Lyons
patent: 5553398 (1996-09-01), Schnewlin-Maier
patent: 5649374 (1997-07-01), Chou
patent: 5651196 (1997-07-01), Hsieh
patent: 5682690 (1997-11-01), Chang
patent: 6055747 (2000-05-01), Lombardino
patent: 6131310 (2000-10-01), Fang
patent: 6151807 (2000-11-01), Qui et al.
Moh'andesi Jila M.
Sewell Paul T.
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