| 摘要 |
<p>PURPOSE: To provide a device which is handled simply and remarkably, simplifying pulling in of a cable into a cable bit by it. CONSTITUTION: A roller 13 is held by a rack 9 at its one tip part, and the other tip of the roller 13 is connected to the rack 9 by a speedily locking device 33 for allowing a mounted cable 2 to be dropped into a cable pit 3 by gravity after opening the device 33.</p> |
