Cushion cell for shoes
View Patent ↗A cushion cell for shoes includes a casing with an hour-glass-shaped compressible member received therein which is composed of a spiral wire extending in a vertical direction. The compressible member includes an upper portion and a lower portion, the spiral wire of the upper portion can be inserted in a corresponding spiral gap of the lower portion when the cushion cell is compressed. The distance that the compressible member is compressed is much longer than the chambers in a conventional outsole.
1. A cushion cell located between an outsole and an insole of shoes, comprising:
a casing composed of a first portion and a second portion, and
an hour-glass-shaped compressible member located in the casing and composed of an upper portion and a lower portion, each of the upper portion and the lower portion being a continuously spiral wire extended in a vertical direction and including a narrow end and a wide end, the spiral wire of the upper portion being inserted in a corresponding spiral gap of the lower portion when the compressible member is compressed into a flat disk-like form, the compressible member located between two retaining members and each retaining member having a hole defined therethrough, two ends of the compressible member being engaged with the two respective holes of the two retaining members;
a cushion pad put on a top of one of the retaining members and being made of foam material, a plurality of soft bosses extending from a top of the cushion pad, and
at least one ventilation valve which has one end located in the casing and the other end of the at least one ventilation valve located outside of the casing.