| 摘要 |
<p>A T-shaped rail for fitting a rubber lifting bar to a mill shell has a drooping head to the T with rounded ends. The bar is secured to the shell by means of bolts held captive in slots in the top of the T. In alternative constructions the leg of the T has an undercut slot in which the heads of bolts can be held captive or which can accommodate channel sections in which such heads are held captive.</p> |
