| 摘要 |
<p>A rack arrangement for underground winning installations having bearing brackets being fastenable at pan sections of a face conveyor and which have two pin holes each, and having rack bars being detachably fastenable to the pin holes of adjacent bearing brackets via pin connections having connecting pins. In order to design the rack arrangement and the bearing bracket for easier fitting and to improve the interplay between bearing bracket and rack bars in operational use, both pin holes are designed as an elongated hole for accommodating the connecting pin 7.</p> |
