Patent ID: 9222535
Filing Date: 2015-12-29
Classification: A47C,F16F,Y10T

Abstract:
1. A spring element for a cushioning device of a piece of furniture for sitting or lying, comprising a spring body ( 10 ) and an accommodating section ( 30 ) arranged thereon, wherein the spring body ( 10 ) and the accommodating section ( 30 ) are injection-molded from plastic as one piece, wherein the spring body ( 10 ) comprises a ring part ( 11 ) having a longitudinal direction ( 40 ) and a transverse direction perpendicular to the longitudinal direction, wherein the ring part is comprised of a first ring part section, a second ring part section ( 13 , 14 ) and a center section ( 12 ), wherein the center section is located between the first and second ring part sections in the longitudinal direction and connects the first and second ring part sections to each other, wherein the first and second ring part sections each comprise an end area ( 15 , 16 ) arranged opposite the center section in the longitudinal direction and extending in the transverse direction, wherein the first and second ring part sections each form two spring arms connecting the center section and the end area, respectively, wherein the two spring arms of the first and second ring part sections each have an upward slope in a height direction ( 42 ) of the ring part, wherein the height direction ( 42 ) extends perpendicular to the longitudinal direction and to the transverse direction, the upward slope extending from the center section ( 12 ) to the end areas, respectively, wherein the accommodating section ( 30 ) extends in the longitudinal direction and has opposed ends connected to the end areas ( 15 , 16 ) of the ring part sections ( 13 , 14 ), wherein the accommodating section ( 30 ) is positioned between the two spring arms of the first and second ring part sections ( 13 , 14 ), respectively, and is crowned in the height direction ( 42 ) away from the center section ( 12 ).