초록 ▼

A shoe having a preassembled spring assembly incorporated into the sole thereof is provided. The spring assembly includes a pair of plates having a plurality of apertures formed therein. The pair of plates define an upper plate and a lower plate in which the apertures formed in the upper and lower p

A shoe having a preassembled spring assembly incorporated into the sole thereof is provided. The spring assembly includes a pair of plates having a plurality of apertures formed therein. The pair of plates define an upper plate and a lower plate in which the apertures formed in the upper and lower plates are axially aligned when the upper plate is disposed directly above the lower plate. A plurality of spring members are disposed between the upper and lower plates. The spring members are axially aligned with the plurality of apertures. A mechanism for retaining the spring members between the upper and lower plates is also provided. The mechanism for retaining is designed for retaining the upper and lower plates at a predetermined distance.

대표청구항 ▼

[ What is claimed is:] [1.] A show having an upper portion and a sole member secured to said upper portion, and a unitary spring assembly incorporated into the sole member of said shoe, said spring assembly comprising:a pair of plates each having a plurality of supports formed thereon, said pair of

[ What is claimed is:] [1.] A show having an upper portion and a sole member secured to said upper portion, and a unitary spring assembly incorporated into the sole member of said shoe, said spring assembly comprising:a pair of plates each having a plurality of supports formed thereon, said pair of plates forming an upper plate and a lower plate wherein the plurality of supports formed on the upper and lower plates are axially aligned;a plurality of spring members disposed between the upper and lower plates, the ends of the spring members engaging the plurality of supports on each plate; andmeans for retaining the spring members on said supports between the upper and lower plates such that the upper and lower plates are retained in a position which precompresses the plurality of spring members to about 200 pounds.