US 7,523,565 B1
Shoes comprising air cushioning system, air lightweight system, and air pressure alert system
Kuang Ming Chen, 204 Spring Valley Rd., Paramus, N.J. 07652 (US)
Filed on Feb. 21, 2006, as Appl. No. 11/358,805.
Int. Cl. A43B 13/20 (2006.01)
U.S. Cl. 36—29  [36/88] 4 Claims
OG exemplary drawing
 
1. A shoe comprising:
a sole,
a bladder located inside the sole,
a pressure alert system for detecting the air pressure of the bladder,
the air pressure alert system comprises an air transmission device,
the air transmission device comprising a metal nut, a steel coil, and an accordion shaped flexible plastic or rubber tube all contained within a cylinder tube, which receives pressure from the air bladder connected on the front end of the tube and transmits the pressure to an air capillary device connected on the back end located at the rear of the shoe.