Patent ID: 7849646
Filing Date: 2010-12-14
Classification: E04F

Abstract:
1. A gymnastic floor structure, comprising: a plurality of elastically supporting leg members to be arranged on a floor surface of a building at predefined intervals; a plurality of rigid unit floor panels supported by and laid on the plurality of elastically supporting leg members and integrally joined with each other; a cushioning air mat laid on the plurality of rigid unit floor panels; and a fiber mat laid on the air mat, wherein the cushioning air mat has a linking body having an air space between opposed surfaces of two inner sheets linked by a plurality of linking threads, wherein the linking body is covered by a non-air permeable external sheet to form a mat main body which makes the space air-tight, and wherein the mat main body is provided with a closable air inlet/outlet port for supplying air into or discharging air from the space at a given position of the mat main body.