Patent ID: 8840529

Claim:
An adjustable elliptical trainer comprising: a base having two supporting bars protruding up from the base; and a transmission wheel mounted rotatably between the supporting bars; two driving brackets connected respectively to the transmission wheel; two handles located respectively at opposite sides of the transmission wheel, mounted pivotally on one of the supporting bars and connected pivotally and respectively to the driving brackets; two pedal assemblies located at the opposite sides of the transmission wheels and each pedal assembly having a lever being curved and connected pivotally to one of the driving brackets; and a pedal mounted on a rear end of the lever; and an adjustment assembly mounted on a front end of the base and having two guiding rods mounted on the base; a guiding bracket connected to the transmission wheel and mounted slidably on the guiding rods; wherein the transmission wheel has a shaft mounted through the transmission wheel and two cranks mounted respectively and securely on two ends of the shaft and extending along opposite directions; wherein the driving brackets are connected respectively to the cranks; and whereby the adjustment assembly allows the pedal assemblies to move along two different elliptical motion paths by moving the guiding bracket along the guiding rods to a lower position or an upper position.