Patent ID: 9217869
Filing Date: 2015-12-22
Classification: E06B,G02B,H05K,Y10T

Abstract:
1. A viewing window assembly designed for mounting in a single hole of a panel of an enclosure, the viewing window assembly comprising: a frame; an optic defining a central axis; a front side, the front side facing away from the enclosure when the viewing window assembly is mounted therein; a back side, the back side facing the inside of the enclosure when the viewing window assembly is mounted therein; and one or more actuators, each coupled to an attachment member positioned at the back side of the viewing window assembly, the one or more actuators actuatable from the front side of the viewing window assembly, and the respective attachment members configurable so as to allow each to pass through the single hole of the panel, and the respective attachment members arranged that, when actuated, the one or more actuators move at least a portion of the one or more respective attachment members at least in a direction away from the central axis of the viewing window assembly in such a manner so that the at least a portion of the one or more respective attachment members are adapted to engage an inside surface of the panel of the enclosure about a perimeter of the single hole in order to install and secure the viewing window assembly to the panel of the enclosure from a single side of the panel and via the single hole.