Patent ID: 7153240

Claim:
A treadmill comprising: a treadmill body, said treadmill body comprising a base frame, track means mounted on said base frame, a rotatable belt mounted on said track means upon which a user stands, and drive means mounted in said base frame for driving said track means to rotate said rotatable belt; two handrail assemblies provided at two opposite lateral sides of said base frame of said treadmill body; and adjustment means for adjusting the elevation of said handrail assemblies; wherein said handrail assemblies each comprise a horizontal top rail, a plurality of tubes respectively fixedly connected to and vertically downwardly extending from said horizontal top rail, and a plurality of screw rods respectively rotatably coupled between said tubes and said base frame of said treadmill body and rotatable clockwise/counter-clockwise to move said tubes vertically upwards/downwards; said adjustment means is adapted to simultaneously rotate all said screw rods to further move said tubes and said horizontal top rail to the desired elevation.