Square butt door frame and method of assembly

Details Square butt door frame and method of assembly Square butt door frame and method of assembly

1988-10-03

1989-07-04

Murtagh, John E.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Outside corner or peripherally bordered

403231, 29513, E04C 238

Patent

active

048437751

ABSTRACT:
A square butt hollow door frame including upper and lower rail members, and a pair of stile members wherein the inner walls of the stile members are provided at each end with a recess defining inwardly laterally extending flanges adapted to be received in corresponding slots defined through each end of the upper and lower rail members, such that when the respective flanges are received in the respective slots, a locking mechanism is positioned, thereby securing the side members and rail members together to form a door frame.

REFERENCES:
patent: 2601164 (1952-06-01), Montgomery
patent: 2617502 (1952-11-01), Kessler
patent: 3363371 (1968-01-01), Villalobos
patent: 3374597 (1968-03-01), Whitener
patent: 3491501 (1970-01-01), Lundgren
patent: 4034866 (1977-07-01), Beckwith

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