发明名称 Door installation system
摘要 A door installation system for safely installing or removing a heavy door by a single person. The door installation system generally includes a base, a vertical member extending from the base in an upward manner, a brace member extending between the base and the vertical member, a guide structure attached to the upper portion of the vertical member for guiding an upper portion of a door, and a carriage removably attachable to the base. The carriage is capable of adjusting the attitude of a door being installed to fit within a door jamb. The vertical member and the base are pivotally connected to one another to allow for folding into a compact structure.
申请公布号 US7780389(B1) 申请公布日期 2010.08.24
申请号 US20070874886 申请日期 2007.10.18
申请人 TELPRO, INC. 发明人 YOUNG ROLAND O.
分类号 E04G21/14;B66F11/00 主分类号 E04G21/14
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