Patent ID: 7402126

Claim:
An elliptical exerciser comprising: a base ( 10 ) with a post ( 11 ) and a handlebar ( 13 ) connected to the post ( 11 ); a transmission device ( 20 ) including a wheel ( 21 ) and a crank ( 22 ) connected to the wheel ( 21 ), two side tubes ( 18 ) extending from two sides of the base ( 10 ) and two guiding rails ( 16 ) having two respective first ends respectively and pivotably connected to the two side tubes ( 18 ), and two connection rods ( 14 ) each having a first end pivotably connected to one of the two ends of the crank ( 22 ) and a second end of each connection rod ( 14 ) having a roller ( 15 ) which is movably engaged with one of the two guiding rails ( 16 ), each connection rod ( 14 ) having a pedal ( 17 ) connected thereto.