Patent ID: 9365072
Filing Date: 2016-06-14
CPC Classification: A47G,B44D

Claim Text:
1. Apparatus for protecting artwork mounted in a rectangular frame having corners, back and front sides and comprising: corner devices for mounting to the corners and including elongated orthogonal channel shaped legs terminating in leg ends to be, when the corner devices are mounted to adjacent ones of the corners, spaced selected distances from one another and formed with respective corner device back walls to mount to the back side of the frame and return walls wrapping over the periphery of the frame to project forwardly beyond the front side and formed with respective cowling walls to be spaced from the front side, the back walls formed with rearwardly opening longitudinal locking grooves; elongated channel shaped rails constructed to complement the shape of the channel shaped legs and of respective lengths to correspond with the selected distances to fit between the respective leg ends and cooperate with the respective leg ends to form joints, the rails including back walls to align with the corner device back walls and formed with rearwardly opening, longitudinal rail locking grooves to align with the elongated locking l grooves; and resilient, channel shaped clip devices to be clipped over the respective joints to hold the respective rails to the respective legs, the clip devices including respective one extremities formed with respective elongated latch flanges to be received in the respective locking grooves and second extremities formed with respective latches to hook onto the corner devices and rails.