Storm window framing

Claim 1

In a storm window wherein a pane is held in extruded frame members mounted to a window by adhesive, the improvement comprising, along at least two sides of said pane, a tape frame having a pane channel defined in part by an upstanding inner wall and one external surface of a boss at an outer edge of said tape frame, said boss including a pair of spaced jaws defining between them a channel, keyhole shaped in transverse cross section and with an outwardly opening, outwardly flaring mouth; an adhesive strip on one face of said tape frame; and a glazing frame, said glazing frame having a root portion at an outer edge of said glazing frame, said root portion of said glazing frame including mounting means cooperable with said boss for rendering said glazing frame mountable on and selectively demountable from said tape frame, said glazing frame mounting means comprising a tenon strip with a head and a neck adapted to fit in the keyhole shaped channel in said boss, said mounting means providing a single position interlock between said tape frame and said glazing frame, and, integral with and cantilevered from said root portion, a pane biasing leaf strip, extending at an angle toward the upstanding inner wall of the tape frame, the free end of said leaf strip having an out-turned lip, the arris between said lip and the edge of the leaf defined thereby engaging and extending along said upstanding inner wall of said tape frame when no pane is mounted in said frame members, the free end of said leaf strip holding said pane to said upstanding inner wall of the tape frame, said glazing frame being made entirely of stiffly resilient plastic, the resiliency of said leaf strip being sufficient to hold panes ranging in thickness from 0.040 inches to 0.125 inches in tight contact with said upstanding inner wall of said tape frame.