US 11,834,875 B1
Outward swinging door barricade
John P. McIntire, Dayton, OH (US); and Matthew Srnoyachki, Beavercreek, OH (US)
Assigned to United States of America as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US)
Filed by Government of the United States as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US)
Filed on Jun. 6, 2018, as Appl. No. 16/001,372.
Application 16/001,372 is a division of application No. 15/097,389, filed on Apr. 13, 2016, abandoned.
Claims priority of provisional application 62/181,432, filed on Jun. 18, 2015.
Int. Cl. E05C 19/18 (2006.01); E05C 17/54 (2006.01); E05C 17/08 (2006.01)
CPC E05C 19/184 (2013.01) [E05C 17/08 (2013.01); E05C 17/54 (2013.01); E05C 19/188 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An emergency egress apparatus in combination with a door barricade, the combination comprising:
a first portion of the door barricade comprising a protuberance extending therefrom, the first portion further comprising a faceplate having a receiver configured to receive a knob of a door;
a second portion of the door barricade comprising a keeper therein, the keeper configured to receive the protuberance therethrough, the second portion further comprising a backplate having a backlash cam coupled thereto, the backlash cam configured to provide an interference fit between the backplate and a frame of the door; and
a retainer selectively disposed between a first position and a second position, wherein when in the first position, the retainer establishes an interference fit between the protuberance and the keeper, and the second position of the retainer is the position in which the retainer is not in contact with the protuberance or the keeper.