| 摘要 |
A fastening device for mounting a frame, for example a doorjamb, in a wall opening, wherein open-ended horizontal guide channel means are attached to the wall adjacent to said opening, and wherein the doorjamb has attached thereto stay means, such as staybolts which slidingly fit into said guide channel means. Adjustment screws are threaded into said stay means at both ends of said guide channel means and bear against the open ends of the guide channel means preferably through washers.
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