| 摘要 |
<p>An eaves beam (10) for use in constructing a roof has a channel (26) therein for receiving a bolt (36) for securing a glazing bar to the eaves beam, and a bolt received in the channel, the bolt having a head (38) pivotable in the channel in order to vary the angle of a glazing bar secured by the bolt relative to the eaves beam.</p> |
