Door frame system

Static structures (e.g. – buildings) – Framing to receive door – doorjamb – or window sash – Architrave; i.e. – finish strip on floor – ceiling – or wall...

Patent

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Details

52211, 52210, 52217, 5271701, 49505, 49504, E06B 110

Patent

active

053657080

ABSTRACT:
A jamb assembly is used to form a door frame system for installation within a wall having an opening for a door. The jamb assembly comprises a first elongated member having an L-shaped shoulder along one side of the member. A groove running parallel to the shoulder extends the length of the member. The jamb assembly has a second elongated member identical to the first member. The members are inverted relative to one another so that the L-shaped shoulders of the first and second members fit together to form an expandable base of the jamb assembly. A third elongated member has a tongue projecting on one side thereof that extends the length of the third member. The tongue is formed to fit into the groove of the first or the second elongated member to form a cap for the jamb assembly. The tongue extends beyond the ends of the first and second members when the jamb assembly serves as a head jamb assembly. The third elongated member is shorter than the first and second elongated members when the jamb assembly serves as a side jamb assembly. The first and second elongated members have multiple scoring lines along the edges to permit proper alignment of a casing to the door frame.

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patent: 4589229 (1986-05-01), Warren

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