Damping device adapted for use in exercise apparatus

摘要

A damping device adapted for use in exercise apparatus includes a cylinder with internally threaded front and and rear end portions, a front cylinder cover and a rear cylinder cover, each of which has a threaded raised portion for engaging the internal threads of the cylinder and a central through hole as well as a valve hole in an upper side thereof; two valves respectively disposed in the valve holes of the cylinder covers; two C-clips for positioning the valve bodies inside the valve holes; a piston located inside the cylinder; a tube fixedly secured to the upper sides of the cylinder covers; a regulating rod disposed inside the tube and provided with valves for cooperating with vents in the bottom side of the tube, spring being fitted to a rear end thereof; and a stop element for controlling the displacement of the regulating rod inside the tube. The damping device does not require damping oil and permits regulation of the desired damping force.