Patent ID: 9585484
Date: 2017-03-07
CPC Classifications: A47C

Claim:
1. A back support cushion device comprising: a support member including at least one first groove; at least one cushion assembly including a second groove; and at least one elastic assembly located between the support member and the at least one cushion assembly, with the at least one elastic assembly including an elastic member, a first joining member, and a second joining member, with the elastic member including a first engaging portion and a second engaging portion spaced from the first engaging portion, with the first engaging portion including a first exterior surface having at least two different curvatures, with the first engaging portion of the elastic member engaged into the at least one first groove of the support member, with the second engaging portion including a second exterior surface having at least two different curvatures, with the second engaging portion of the elastic member engaged into the second groove of the at least one cushion assembly, with the first joining member including a first end and a second end space from the first end thereof, with the first end of the first joining member disposed in the first engaging portion of the elastic member, with the second end of the first joining member connected to a bottom section of the at least one first groove of the support member, with the second joining member including a first end and a second end space from the first end thereof, with the first end of the second joining member disposed in the second engaging portion of the elastic member, and with the second end of the second joining member connected to a bottom section of the second groove of the at least one cushion assembly.