| 摘要 |
A device 10 to aid in the propelling of wheelchairs 23, the device 10 has a pair of arms 11 which are rotatably supported on an axle 12 supporting a wheel 24 of the chair 23, mounted on the arms 11 is a caliper assembly 15 operated by a handle 13 so that upon manipulation of the handle 13 by an operator, the caliper assembly 15 will engage the wheel 24 to thereby enable an operator to cause rotation of the wheel 24. |
