초록 ▼

The internal muntin bars of an insulated window assembly include spaced apart component bars. Each component bar extends between opposite sides of the perimeter bar and has cooperating notches for engagement with the adjacent component bar which crosses it. A telescoping fastener with disc-like head

The internal muntin bars of an insulated window assembly include spaced apart component bars. Each component bar extends between opposite sides of the perimeter bar and has cooperating notches for engagement with the adjacent component bar which crosses it. A telescoping fastener with disc-like heads is received in a center opening at the intersection of crossing muntin bars and serves to lock the bars together and fill the space between the glass panes. The legs of a U-shaped retainer are received in the open ends of the component bars and are secured to the perimeter bar.

대표청구항

The structure of claim 6 wherein said opening is rectangular in shape and said fastener has a corresponding shape and size which substantially fills said opening.

The structure of claim 6 wherein said opening is rectangular in shape and said fastener has a corresponding shape and size which substantially fills said opening.