Patent ID: 9597241
Date: 2017-03-21
CPC Classifications: A61G

Claim:
1. A wheelchair drive mechanism adapted to mount to a wheelchair having a first rear wheel mounted on a first wheel axle and a second rear wheel mounted on a second wheel axle, the drive mechanism comprising: a first drive lever adapted to be rotatably mounted to the first wheel axle and be rotated forward and rearward by a user of the wheelchair; a second drive lever adapted to be rotatably mounted to the second wheel axle and be rotated forward and rearward by a user of the wheelchair; a first clutch mechanism associated with the first drive lever, wherein actuation of the first clutch mechanism causes the first drive lever to be coupled to the first rear wheel of the wheelchair such that they rotate together in both forward and rear directions; a second clutch mechanism associated with the second drive lever, wherein actuation of the second clutch mechanism causes the second drive lever to be coupled to the second rear wheel of the wheelchair such that they rotate together in both forward and rear directions; and a clutch actuation device provided on one of the drive levers that is operable by the wheelchair user to simultaneously actuate both clutch mechanisms.