Patent ID: 8844959
Filing Date: 2014-09-30
Classification: A61G,B62M

Abstract:
1. A manually powered wheelchair comprising: a first lever associated with a first wheel and a second lever associated with a second wheel; a first brake positioned on the first lever for engaging the first wheel and a second brake positioned on the second lever for engaging the second wheel; and a first drivetrain to which the first lever is demountably coupled and a second drivetrain to which the second lever is demountably coupled, each drivetrain providing its respective lever with pivotal movement to propel the wheelchair only when the levers are pushed forward and to permit the brake on each lever to come in contact with the respective wheel when each lever is pulled backward beyond a predetermined angle; wherein each of the first and second drivetrains include a chainring, a chain, and a freewheel, and each drivetrain has a fixed gear ratio; and wherein the freewheel of each of the first and second drivetrains is actuated by manual pivoting of the lever associated therewith.