Panic Hardware 2 : A door-latching assembly incorporating a device that releases the latch upon the application of a force in the direction of egress travel
NFPA 101B Code for Means of Egress for Buildings and Structures, 2002 ed. https://law.resource.org/pub/us/code/ibr/nfpa.101. 2003.pdf, (Code: Means of Egress for Build and Struc - Amer) {246 NFC}