Patent ID: 7883448

Claim:
A side-supporting type folding mechanism for a treadmill, comprising: a base frame; a pivotable handrail located at a front end of the base frame; a transmission motor set disposed at one side of the base frame; a transmission belt in cooperation with the transmission motor; a front roller and a rear roller for rotating a continuous moving belt; a lifting motor at the front end of the base frame, the lifting motor being configured for changing the vertical position of an adjusting support to adjust the supporting inclination of the base frame; a rotating shaft extending across the base frame and between two lower ends of the pivotable handrail; two connecting pins located at both sides of the base frame, the two connecting pins being configured for connecting the pivotable handrail and the rotating shaft respectively; two pneumatic cylinders, each pneumatic cylinder having one end attached to the base frame; two wing panels, both sides of the rotating shaft being connected to a first end of each respective wing panel while the other end of each respective wing panel is pivotally connected to each respective pneumatic cylinder; two top rods and two rotating discs, wherein a center of each wing panel is pivotally connected with a first end of each respective top rod such that another end of each top rod pushes each respective rotating disc, wherein each rotating disc is attached to an opposed side of the pivotable handrail so as to be pivotable with the pivotable handrail; and an auxiliary support having ground-touching rollers, wherein a center of the rotating shaft is connected with the auxiliary support having the ground-touching rollers, so that pivot joints among each pneumatic cylinder, each wing panel and each top rod are disposed at a position of a same axle line on respective sides of the side-supporting type folding mechanism.