Patent ID: 11927050
Assignee: ELTON MANUFACTURING
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 21:
22. A window frame member comprising:
a one-piece molding defining first and second spaced apart transverse members and first and second upright members, said upright members and said transverse members co-operating to form a first four-sided half-frame;
said four-sided half-frame having an outside having an external facing, and an inside;
said inside having an array of molded securement fittings, said molded securement fittings being operable, on installation, to engage corresponding mating fittings of another co-operating half-frame;
said first half-frame having a first direction of formation normal to said external facing;
at least a first of said plurality of molded securement fittings of said first half-frame having at least a second direction of formation;
said second direction of formation being skewed relative to said first direction of formation;
said second direction of formation being at least predominantly transverse to said first direction of formation;
said window frame member includes a fascia defined by said external facing, a peripheral wall extending rearwardly of said fascia, and a rearwardly depending land connected to an inboard margin of said fascia, said rearwardly depending land being spaced from said peripheral wall;
at least a first female securement fitting abuts said peripheral wall, said first female securement fitting includes first and second spaced-apart legs that stand rearwardly of said fascia and that co-operate with said peripheral wall to form a C-shaped channel section therewith;
said window frame member includes at least a first plate that co-operates with said first and second legs of said first female securement fitting to form a C-shaped section, said plate is rooted to said peripheral wall, and said plate extends lengthwise beyond said legs of said first female securement fitting, said plate having a distal tip defining an engagement range of travel limit abutment.