Patent ID: 7946655
Filing Date: 2011-05-24
Classification: A47C

Abstract:
1. A seat cushion structure, comprising: upper and lower substrates made of a soft elastic material and combined with one another; two recessed spaces each formed on an attached surface of each of the upper and lower substrates; a plurality of protrusions disposed in the recessed space of each of the upper and lower substrates; a plurality of flow passages each interconnected between every two protrusions; a plurality of inwardly concave air chambers each formed in the protrusion of the lower substrate; a plurality of shallow cut grooves each disposed on a side of the inwardly concave air chamber; a plurality of ventilation holes each formed on an external surface of the upper substrate to communicate with the flow passage; and a two concave members disposed on the external surface of the upper substrate, wherein each of the protrusions under the concave members of the upper substrate is disposed on the inwardly concave air chamber of the protrusion of the lower substrate.