Patent ID: 6213919
Filing Date: 2001-04-10
Classification: A63B

Abstract:
An anti-toppling device for a foldable treadmill having a front supporting frame, a handgrip frame extending upwardly from the front supporting frame and a running belt frame movable relative to the front supporting frame between a use position and a storage position, the anti-toppling device comprising:a) a cylinder having a first end connected to the front supporting frame and a second end, a movable application rod extending from the second end, a distal end of the application rod connected to the running belt frame such that the application rod extends from the cylinder when the running belt frame is in the storage position;b) a supporting element pivotally connected to the running belt frame, the supporting element having an engaging member and being movable between a first position, wherein the engaging member contacts the second end of the cylinder thereby preventing retraction of the application rod into the cylinder, and a second position wherein the engaging member is displaced from the second end of the cylinder; and,c) a turning spring acting between the support element and the running belt frame so as to bias the engaging member towards the first position.