Patent ID: 9101792
Filing Date: 2015-08-11
Classification: A63B

Abstract:
1. An exercising machine comprising: a base frame having a seat pad, a front leg and a rear leg, the seat pad elevated with the front leg and rear legs to provide ground support; a mounting assembly rotatably mounted on the base frame over the rear leg a rotatable structure, the mounting assembly having a front pivot joint and a rear pivot joint, the rotatable structure arranged between the front pivot joint and the rear pivot joint along a longitudinal direction of the mounting assembly, the rotatable structure to allow the mounting assembly to rotate transversely to the front pivot joint; a backrest assembly pivotally coupled to the mounting assembly via the front pivot joint and the rear pivot joint for swivel movements along the base frame, the backrest assembly including a backrest pad, lever bars and backrest support bars affixed to the backrest pad, front ends of the backrest support bars pivotally coupled to the front pivot joint, front ends of the lever bars pivotally coupled to the rear pivot joint; and an adjustable control mechanism to control the swivel movements to allow a user resting against the backrest pad to cause the swivel movements while sitting on the seat pad, the adjustable control mechanism including a height control adjustably attached to the mounting assembly to provide a stop height support of the backrest pad at the rear end of the backrest bars.