| 主权项 |
1. An insulated window frame comprising:
a. an outside glass panel, wherein the outside glass panel is made of at least one glass pane; b. an inside glass panel; c. a frame having at least an internal frame, wherein the internal frame further comprises:
i. an inside trim adapter receiver formed on an inside surface of the internal frame;ii. an intermediate trim adapter receiver formed on the inside surface of the internal frame;iii. an internal frame central flange extending from the internal frame, wherein the internal frame central flange retains an edge of the outside glass panel; and d. an inside trim adapter configured to fit to the inside trim adapter receiver, wherein the insulated window frame is configured to be upgraded from a first mode to a second mode after attaching an intermediate trim adapter to the intermediate trim adapter receiver between the outside glass panel and the inside glass panel, wherein the intermediate trim adapter is not attached to the intermediate trim adapter receiver in the first mode, wherein the internal frame comprises an internal frame outer structure and an internal frame inner structure, wherein a thermal break is installed between the internal frame outer structure and the internal frame inner structure, wherein the intermediate trim adapter receiver is formed as a groove or slot, wherein the intermediate trim adapter has a pair of engagement edges that engage the intermediate trim adapter receiver, wherein the inside trim adapter receiver is formed as a groove or slot, wherein the inside trim adapter has a pair of engagement edges that engage the inside trim adapter receiver. |
