| 摘要 |
A dolly for use on a chain conveyer in moving an object over a pair of spaced rails comprising: a shaft having two ends, pusher structure mounted on said shaft intermediate said ends for pushing said object over said rails without rotational movement of said pusher structure, said pusher structure including connecting means for connecting said pusher structure to said chain conveyer; and roller removably secured to said ends of said shaft for rotation about said shaft, said rollers adapted to engage said rails. |
