| 摘要 |
There are inner (12) and outer (14) portions of the profiled frame engaging the sides of the masonry (48) at the edge of the door opening. The frame is made in three sections the inner portion is joined to an intermediate portion (16,18) with interlocking teeth on the two sections. The outer portion is joined to the intermediate portion by a hinge (56), which has a curved member (72) fitting into a groove (78). |
