Patent ID: 7104021

Claim:
A terminal plug for screwing a muntin bar or a muntin cross to a spacer frame of in particular an insulated glass window, comprising in combination: a muntin having an end and an outer surface, the end of said muntin including an inner wall defining a hollow space; a terminal plug including a plug body that is insertable into the hollow space of the muntin, a flange positioned on the plug body and a plurality of spring elements extending from the plug body, the flange being operable to engage the outer surface of the muntin when the plug body is inserted into the hollow space of the muntin, the plug body defining a longitudinal slot and being operable to be spread apart when inserted into the muntin such that the terminal plug is anchored against the inner wall of the muntin, the plurality of spring elements being operable to engage inner wall of the muntin, the width of the plug body and plurality of spring elements being greater than the width of the hollow space of the muntin such that the spring elements create a nearly friction-tight engagement connection with the inner wall of the end of the muntin upon insertion of the plug body into the hollow space; and wherein said flange further comprises a recess, said recess communicating with said longitudinal slot.