Patent ID: 6872168
Filing Date: 2005-03-29
Classification: A63B

Abstract:
1. A shack absorbing structure for a treadmill comprising: a) a support base; b) two handle frames extending upwardly from and connected to opposing sides of the support base; c) a frame portion having a running belt; d) two connecting arms, each of the two connecting arms pivotally connected at a first end to one of the two handle frames and pivotally connected at a second end to opposing sides of the frame portion; e) two flexible shock absorption units, each of the two flexible shock absorption units pivotally connected at a first end to one of the two handle frames and pivotally connected at a second end to an adjacent one of the two connecting arms; and f) an adjustable supporting foot connected to the frame portion at an end opposite the two connecting arms; wherein the frame portion is pivotal between open and closed positions.