| 摘要 |
<p>This invention concerns a post to mark the door opening in the construction of walls in masonry, which in order to be able to support the counter frame (CT) of the door, while the wall is being raised, has been fitted with several stirrups (2), each of these consisting of a 'U' shaped plate able to house the upgoing boards (3) of the counter-frame (CT), slotted in and provisionally blocked in place by means of nails (4) or clamping bolts. <IMAGE></p> |
