Unbiased hybrid structural pattern-reconstruction using entropic descriptors

PCT No. PCT/US96/10533 Sec. 371 Date Jun. 1, 1998 Sec. 102(e) Date Jun. 1, 1998 PCT Filed Jun. 17, 1996 PCT Pub. No. WO97/00104 PCT Pub. Date Jan. 3, 1997A roller skate 100 includes a support 2a attached to a skater's foot. First and second non-aligned axles 9 and 10 are attached to the forward end of a support 2a and extend sideways from the inside of the support, with the second axle 10 being closer to the center c of the skater's foot than the first axle 9. Third and fourth non-aligned axles 18 and 19 are attached to the rear end of the support 2a and extend sideways from the outside of the support, with the third axle 19 being closer to the center c of the skater's foot than the fourth axle 18. Wheels 12 and 16 and wheels 13 and 15 are mounted for rotation on the axles.