Patent ID: 6984193
Filing Date: 2006-01-10
Classification: A63B

Abstract:
1. A lifting device of a treadmill that includes a main frame and a platform pivotally connected to the main frame, the main frame having two side rods corresponding to each other and a lateral rod laterally connecting the two side rods, each side rod having a slot defined in an inner side of a rear portion of each of the two side rods, the lifting device mounted to the main frame and the platform, and comprising: a power supplier pivotally mounted to the main frame, the power supplier including a telescopic rod having a first end pivotally connected to the lateral rod of the main frame and a second end pivotally connected to a front portion of the main frame, a power source mounted on the telescopic rod for driving the telescopic rod, two arms respectively pivotally connected to two opposite outer sides of a front portion of the platform and an inner side of each of the two side rods of the main frame; and a folding structure connected to the main frame and the platform, the folding device including two rods each connected to the platform and the main frame, each rod including a first end having a shaft laterally extending therethrough and a second end pivotally mounted to a corresponding one of the two side rods of the main frame, each shaft having a free end slidably received in a corresponding one of the two slots in the two side rods of the main frame, a buckle device secured on the lateral rod for selectively positioning a corresponding one of the two shafts when lifting the platform.