| 摘要 |
A ramp assembly for access to a vehicle such as a bus comprises a frame structure (10-14), guide members (20) carried by the frame structure and support members (21, 22) movable along them, a ramp member (23) movable by the support members (22) to be deployed outwardly of the frame structure and retracted inwardly thereof, pivot means connecting the ramp member to the support members, and a spring means (26) for supporting a substantial part of the weight of the ramp member when it is deployed and pivots downwardly. <IMAGE> |
