US 12,330,018 B2
Exercise system with lower limb exercise device and chair
Eisuke Aoki, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Sep. 28, 2023, as Appl. No. 18/374,011.
Claims priority of application No. 2022-174321 (JP), filed on Oct. 31, 2022.
Prior Publication US 2024/0139580 A1, May 2, 2024
Int. Cl. A63B 22/00 (2006.01); A63B 22/06 (2006.01)
CPC A63B 22/0089 (2013.01) [A63B 22/0694 (2013.01); A63B 2022/0641 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An exercise system comprising:
a lower limb exercise device configured to achieve a lower limb exercise which includes repetitive extension and flexion of at least a knee joint and a hip joint; and
a chair on which a user who performs the lower limb exercise using the lower limb exercise device sits, wherein
the chair comprises:
a seat on which the user sits; and
a support mechanism configured to support the seat in such a manner that the seat is configured to carry out a roll oscillation,
the seat carries out the roll oscillation during the lower limb exercise, which causes a motion linkage between a lower limb and a trunk,
the support mechanism comprises:
a right-leg-side elastic body that is disposed under the seat and the right-leg-side elastic body is configured to correspond to a right-leg-side ischium, which is an ischium on a right leg side of the user who sits on the seat; and
a left-leg-side elastic body that is disposed under the seat and the left-leg-side elastic body is configured to correspond to a left-leg-side ischium, which is an ischium on a left leg side of the user who sits on the seat,
each of the right-leg-side elastic body and the left-leg-side elastic body is a bag body in which gas is enclosed, and the bag body has a hemispherical shape that is convex downward in a state in which the gas is enclosed therein and has a flat top facing the seat.