An insert for a shoe sole includes a heel lever which absorbs energy from the foot during heel strike and returns the energy to the foot during heel lift-off.
申请公布号
US5528842(A)
申请公布日期
1996.06.25
申请号
US19950450670
申请日期
1995.05.30
申请人
THE ROCKPORT COMPANY, INC.
发明人
RICCI, GORDON K.;PAWLUS, CHRISTOPHER J.;SNOW, REBECCA E.;FOLEY, PETER M.;LITCHFIELD, PAUL E.;WHITE, SPENCER
