Patent ID: 6748675
Filing Date: 2004-06-15
Classification: A43B

Abstract:
A sole assembly for a sports shoe comprising:an upper layer (10) formed of a first soft elastic material; a lower layer (30) that includes an outer ground contact surface and has plural through holes (31) penetrating entirely through said lower layer and opening through said outer ground contact surface, and that is disposed under said upper layer (10) and formed of a second soft elastic material; and a middle layer (20) including a sheet (22) and plural protrusions (21) that are permanently connected to and protrude from said sheet; wherein said sheet is interposed between and permanently connected to said upper layer (10) and said lower layer (30) to form thereof an integral sole unit, and said sheet is formed of synthetic rubber or synthetic resin with a hardness greater than a respective hardness of said upper layer (10) and of said lower layer (30); wherein said protrusions (21) respectively extend into said through holes (31), whereby a clearance is formed between an outer circumference of a respective one of said protrusions and a respective one of said through holes through which said protrusion extends.