| 摘要 |
<p>APPLICATION FOR LETTERS PATENT FOR PRE-MITERED DOORFRAME ASSEMBLY FOR PARTITION WALL CONSTRUCTION A doorframe assembly for partition wall construction comprising metal backer jamb members adapted for attachment to opposite sides of a door opening, jamb members snap-engaged with the metal backer jamb members, hinge plate means for supporting a door attached along a longitudinal recess portion of a jamb member at one side of the door opening, strike plate means adapted for receiving door locking means attached along a longitudinal recess of jamb member at the opposite side of the door opening, mortising trim of a material such as vinyl plastic or aluminum adhered along remaining open portions of the jamb members at both sides of the door opening, and two header clips one mounted at the upper end of each of the metal backer jamb members and arranged to permit the jamb members to be set to the exact dimension of a mitered header, thereby eliminating any manufacturing tolerances, and a mitered header member snap-engaged with said header clips.</p> |
