Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
254 words
An adjustable window unit, comprising: (a) an inner frame having a plurality of inner frame members interconnected to define frame corners, said inner frame members including a horizontally disposed head member and a pair of vertically disposed jamb members; (b) a respective expander cap member having a pair of opposite ends, said expander cap member comprising an elongate channel of generally U-shaped cross-section including a base portion and a pair of parallel flange portions, disposed along at least one of said inner frame head and jamb members, each expander cap associated with one of said inner frame jamb members defining a central groove on a peripheral side thereof; (c) frame expansion means associated with said window unit for adjustably moving each said expander cap member outwardly relative to the respective inner frame member, for mounting said window unit within a window casing; and (d) corner cap means, fitted over a respective end of at least one of said expander cap members and extending around a respective corner of said inner frame for closing a gap located between said window casing and said end of said expander cap member, said corner cap means comprising an elongate generally U-shaped channel portion, disposed about one of said expander cap members, tab means, disposed generally perpendicular to the length of said channel portion, for extending along another member of said window unit and holding said corner cap in position, and a rib portion located within said generally U-shaped channel portion and adapted to fit within said central groove.
Claim 2
Dependent Claim
254 words
An adjustable window unit, comprising: (a) an inner frame having a plurality of inner frame members interconnected to define frame corners, said inner frame members including a horizontally disposed head member and a pair of vertically disposed jamb members; (b) a respective expander cap member having a pair of opposite ends, said expander cap member comprising an elongate channel of generally U-shaped cross-section including a base portion and a pair of parallel flange portions, disposed along at least one of said inner frame head and jamb members, each expander cap associated with one of said inner frame jamb members defining a central groove on a peripheral side thereof; (c) frame expansion means associated with said window unit for adjustably moving each said expander cap member outwardly relative to the respective inner frame member, for mounting said window unit within a window casing; and (d) corner cap means, fitted over a respective end of at least one of said expander cap members and extending around a respective corner of said inner frame for closing a gap located between said window casing and said end of said expander cap member, said corner cap means comprising an elongate generally U-shaped channel portion, disposed about one of said expander cap members, tab means, disposed generally perpendicular to the length of said channel portion, for extending along another member of said window unit and holding said corner cap in position, and a rib portion located within said generally U-shaped channel portion and adapted to fit within said central groove.
Claim 3
Dependent Claim
96 words
The window unit of claim 1, each said expander cap member including a rail extending along said base portion between and parallel to said flange portions, and said frame expansion means including a jackscrew associated with said inner frame member, a thread associated with said rail, and thrust transmitting keeper means attached to said jackscrew and pressing against said inner frame member for retaining said jackscrew in position associated with said inner frame member and urging said expander cap member outwardly from said inner frame member in response to rotation of said jackscrew in said thread.
Claim 4
Dependent Claim
46 words
The window unit of claim 1 wherein said inner frame includes an inner frame sill member of a first predetermined width, and said head and jamb members have a predetermined narrower width, said expander cap members each having a width equal to said first predetermined width.
Claim 5
Dependent Claim
33 words
The window unit of claim 1 wherein said inner frame includes a pair of parallel elongate track means for receiving at least one window panel slidably disposed in each of said track means.