Landing mat for gymnasts

Details Landing mat for gymnasts Landing mat for gymnasts

1995-06-15

1996-10-08

Apley, Richard J.

Exercise devices

Gymnastic

5420, A63B 600

Patent

active

055625738

ABSTRACT:
A landing mat for gymnasts is composed of a top layer serving as a primary cushion, a middle layer disposed under the top layer so as to stabilize the posture of the gymnasts going to land on their feet, and a bottom layer serving as a main cushion and secured to a lower surface of the middle layer. All the layers are made of plastics foams. The top layer is 10-30 mm thick and has a 25%-compression stiffness of 0.20-0.50 kgf/cm.sup.2 and a repelling elasticity of 40-60%. The middle layer is 15-50 mm thick and has a compression stiffness of 1.0-4.0 kgf/cm.sup.2. The bottom layer is 50-175 mm thick and has a compression stiffness of 0.040-0.060 kgf/cm.sup.2 and a repelling elasticity of 35-50%, such that the International Federation of Gymnasts' (FIG) standards going to be revised in 1995 are satisfied with respect to safety and posture stabilizability for the landing gymnasts.

REFERENCES:
patent: 3204259 (1965-09-01), Gordon
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patent: 3636577 (1972-01-01), Nissen
patent: 4147828 (1979-04-01), Heckel et al.
patent: 4168061 (1979-09-01), Gordon
patent: 4350721 (1982-09-01), Nagase
patent: 4603852 (1986-08-01), Breitscheidel et al.
patent: 5100716 (1992-03-01), Juneau
patent: 5212842 (1993-05-01), Glydon

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