Sandal device

• US 6,314,661 B1
• Filed: 08/14/2000
• Issued: 11/13/2001
• Est. Priority Date: 08/14/2000
• Status: Expired due to Fees

• Current Assignee: Li-Chieh Lin
• Original Assignee: Li-Chieh Lin
• Inventors: Chern, Ming-Dong
• Primary Examiner(s): Sewell, Paul T.
• Assistant Examiner(s): Mohandesi, Jila M.
• Application Number:
  US09/640,113
• Time in Patent Office: 456 Days
• Field of Search: 36/115, 36/75, 361/41, 36/27, 36/28, 361/36, 361/40, 36/3.R, 36/3.B, 36/78, 36/29, 36/37, 36/38, 36/35.R, 36/35.B, 361/14
• US Class Current: 36/11.5
• CPC Class Codes: A43B 1/0054 provided with magnets, magnetic parts or magnetic substances
• CPC Class Codes: A43B 13/182 Helicoidal springs
• CPC Class Codes: A43B 13/20 Pneumatic soles filled with a compressible fluid, e.g. air, gas inflatable linings for skiboots A43B5/0407
• CPC Class Codes: A43B 3/128 characterised by the sole

Abstract

A sandal device has an outsole, an air cushion, and an insole. The air cushion has two periphery flanges, a periphery spacing, a plurality of hollow protrusions, and a plurality of hollow sockets. 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.

Claims

1. A sandal device comprises:

an outsole, an air cushion disposed on the outsole, and an insole disposed on the air cushion,

the air cushion having 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 inserted in the periphery spacing of the air cushion,

the shock-absorbing band having two periphery recesses for receiving the periphery flanges of the air cushion,

each of the hollow protrusions having a groove for receiving a magnetic block and a collar,

a coiled spring having a lower portion inserted in the respective hollow socket and an upper portion inserted in the respective collar, and

an adhesive band enclosing the elastic woven fabric and the shock-absorbing band.

2. The sandal device as claimed in claim 1, wherein the air cushion further has a plurality of upper elastic posts.