Steel security door frame

Details Steel security door frame Steel security door frame

1989-06-12

1990-08-21

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Diverse types

49504, A47H 100

Patent

active

049497715

ABSTRACT:
A steel security door frame including a top frame member; a bottom frame member; a first side frame member; and a second side frame member. Each of the frame members include front and rear sections made up of diverse elements to form specific panel arrangements and trackways including a guideway for slidably receiving a movably glass panel and for allowing the movable glass panel to be moved between open and closed positions. Each of the front and rear sections are bent from sheet steel.

REFERENCES:
patent: 3086628 (1963-04-01), Robinson
patent: 4311183 (1982-01-01), Herbst et al.

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