A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Security latch for door hinged to open outwardly
A security latch apparatus for the interior of a school or industrial door hinged to open outwardly. The latch includes a lower mounting door bracket with a pivotable handle designed to fit firmly against the interior doorframe and prevent that door from being prematurely pulled open. A disengagement rod is provided for authorized personnel to manually undo a secured door from its exterior.
Security latch for door hinged to open outwardly
A security latch apparatus for the interior of a school or industrial door hinged to open outwardly. The latch includes a lower mounting door bracket with a pivotable handle designed to fit firmly against the interior doorframe and prevent that door from being prematurely pulled open. A disengagement rod is provided for authorized personnel to manually undo a secured door from its exterior.
Security latch for door hinged to open outwardly
ATKINSON JR JOSEPH A (author)
2016-11-01
Patent
Electronic Resource
English