Patent ID: 8083650
Filing Date: 2011-12-27
Classification: A61H,A63B

Abstract:
1. An exercise assisting device comprising: foot supports having foot support surfaces respectively, each said foot support is provided for bearing a foot of a user; a seat being shaped to have a contact surface for supporting buttocks of the user when the user places the feet onto said foot support surfaces; a seat height adjusting unit being configured to move said seat toward a vertical direction and also toward a front-back direction in order to position said seat at a standard position which is located at a standard height from said foot support surface in the vertical direction, whereby a knee of the user has a predetermined angle, a seat driving unit being configured to swing said seat about the standard position so as to vary weight of the user which acts on legs of the user, wherein the exercise assisting device further comprises a load regulating means being configured to vary a load which acts on a knee joint of the user as a height between said contact surface of said seat and said foot support surface in the vertical direction becomes shorter than the standard height, wherein said seat driving unit is configured to swing said seat about the standard position at a variable cycle, and being configured to swing said seat about the standard position at a predetermined cycle when said seat is located at the standard height from said foot support surface, said load regulating means being configured to control said seat driving unit such that said seat driving unit swings said seat at a cycle being longer than said predetermined cycle as the height of said seat from said foot support surface becomes shorter than the standard height.