| 摘要 |
<p>Provided is a rail transfer apparatus for enabling a frame moving on a rail to travel or for braking the frame. The rail transfer apparatus according to one embodiment of the present invention comprises: a frame; at least one wheel coupled to the frame to roll on a rail; a braking unit selectively contacting the wheel; and an operation rod connected to the braking unit to enable the braking unit to selectively contact the wheel. When the operation rod rotates, the braking unit may selective contact or be separated from the wheel.</p> |
