Driving mechanism of an exercise device

Claim 1

A driving mechanism of an exercise device comprising: a base an upright frame, seat, with a set shaft welded thereto and a pivotal seat disposed thereunder, said pivotal seat having connecting holes and a slot disposed thereon, said base seat having a support frame attached to both ends thereof, said support frame having a positioning block arranged thereon; two pedals having sleeves disposed at front ends thereof, said sleeves having connecting pieces fixed thereto, said connecting pieces having connecting holes disposed thereon, said sleeve being rotatably fixed to said set shaft having a front end to which a rubber ring is arranged and a rear end to which a connecting block is attached, said connecting block being fixed to said positioning block a pair of resistance means attached between said frame and a said respective pedal; a connector of H-shaped construction having connecting holes disposed at both front and rear ends thereof said connector pieces hinged to said H-shaped connector by bolts through said front connecting holes of said H-shaped connector and said connection holes of said connecting pieces; and a U-shaped groove disposed thereon; upper and lower handlebars having two connecting holes disposed at the lower end thereof; said handlebars hinged to said H-shaped connection by bolts through said rear connecting holes of said H-shaped connection, and said upper connection holes of said handlebars; said handlebars hinged in said slot to said pivotal seat by bolts through said lower connecting holes of said handlebars and said connecting holes of said pivotal seat; whereby when a user stands on said pedals and grips the handlebars, an exercise of the user's legs with the synchronized motion of the user's arms is achieved.