Door frame structure with safety lock bracket

Details Door frame structure with safety lock bracket Door frame structure with safety lock bracket

1974-06-26

1976-05-18

Perham, Alfred C.

Movable or removable closures

Frame with closure feature

52213, 52656, 403231, E06B 104

Patent

active

039568555

ABSTRACT:
A safety lock bracket is provided for affixing the end of a door frame header having internal roller tracks to the end of a door jamb over which it is mounted.

REFERENCES:
patent: 1180314 (1916-04-01), Olberg
patent: 2700441 (1955-01-01), Cudini
patent: 2856040 (1958-10-01), Dansereau
patent: 3021576 (1962-02-01), Conroy
patent: 3276802 (1966-10-01), O'Brien
patent: 3509666 (1970-05-01), Trout
patent: 3730466 (1973-05-01), Swanquist

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