This was submitted in 2005, but only granted August 2011 to Asics: Shock absorbing device for shoe sole Quote: A shock absorbing device for a shoe sole includes: an outer sole 2; a midsole M; and a deformation element 3 placed between the outer sole 2 and the midsole M. The deformation element 3 is positioned at a periphery of a rear foot part 1B and includes a bending deformation member 30 that opens toward the periphery from a center of the rear foot part 1B. The bending deformation member 30 includes a lower plate portion 31, an upper plate portion 32 that forms an opening angle with respect to the lower plate portion 31, and a curved portion 33 that connects the lower plate portion 31 and the upper plate portion 32.
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Shock absorbing device for shoe sole