US3795076A — Window structure

Claim 1

Independent Claim 280 words

A pair of window structures for installation both as a single hung window or a hopper window and as a right or left hand glider window each including a box frame having a fixed frame rail, guiding frame rails including guiding frame rail parts extending transversely of the plane of the window structure toward the outside of the window structure and guiding frame rail projections extending outwardly of the guiding frame rail in the plane of the window structure, a locking frame rail and a frame check rail each having a generally rectangular cross section whereby they are particularly strong in torsion and present a finished appearance in installation and at least one movable sash secured within the frame for selective movement in the plane of the window frame and tilting out of the plane of the window frame about one edge of the sash including a tilt rail, guide rails and a lock rail which window structures are positioned with opposite guiding frame rails adjacent each other, and a mull cover connected to the adjacent guiding frame rails having a generally T-shaped cross section with a stem portion and two spaced apart crossbar portions one of which is terminated in barb portions extending toward the stem portion and away from the other crossbar portion and the other of which includes recesses at the ends thereof, said barb portions releasably engaging the guiding frame rail parts and the recesses receiving the frame rail projections of the adjacent guiding frame rails of the window structures on the opposite sides of the stem portion of the mull cover whereby mulling of the adjacent window structures may be accomplished by a single workman.

Claim 2

Dependent Claim 280 words

A pair of window structures for installation both as a single hung window or a hopper window and as a right or left hand glider window each including a box frame having a fixed frame rail, guiding frame rails including guiding frame rail parts extending transversely of the plane of the window structure toward the outside of the window structure and guiding frame rail projections extending outwardly of the guiding frame rail in the plane of the window structure, a locking frame rail and a frame check rail each having a generally rectangular cross section whereby they are particularly strong in torsion and present a finished appearance in installation and at least one movable sash secured within the frame for selective movement in the plane of the window frame and tilting out of the plane of the window frame about one edge of the sash including a tilt rail, guide rails and a lock rail which window structures are positioned with opposite guiding frame rails adjacent each other, and a mull cover connected to the adjacent guiding frame rails having a generally T-shaped cross section with a stem portion and two spaced apart crossbar portions one of which is terminated in barb portions extending toward the stem portion and away from the other crossbar portion and the other of which includes recesses at the ends thereof, said barb portions releasably engaging the guiding frame rail parts and the recesses receiving the frame rail projections of the adjacent guiding frame rails of the window structures on the opposite sides of the stem portion of the mull cover whereby mulling of the adjacent window structures may be accomplished by a single workman.

Claim 3

Dependent Claim 42 words

Structure as set forth in claim 1 wherein the mull cover is plastic and the other crossbar member includes a flexible returned portion adjacent the recesses at the ends thereof for locking the edges of the adjacent window structures in the recesses.

Claim 4

Dependent Claim 60 words

Structure as set forth in claim 1 wherein the barb portions include a cam surface thereon and further including a camming extension at the ends of the other crossbar member adjacent the recesses therein whereby the mull cover may be cammed over the adjacent edges of the window structures from the inside of a structure in which they are installed.

Claim 5

Dependent Claim 252 words

Window structure for installation both as a single hung window or a hopper window and as a right or left hand glider window including a box frame having a fixed frame rail, guiding frame rails and a locking frame rail, each having a cross section including a first generally U-shaped portion having a longer leg and a shorter leg opening toward the inside of the window structure, a second generally U-shaped portion having a longer leg and a shorter leg, with the shorter leg being on the inside of the window structure with respect to the longer leg, the longer leg of the second U-shaped portion being integral at its end with the shorter leg of the first U-shaped portion at its end and extending at right angles thereto, whereby the first and second U-shaped portions open at right angles to each other, and a frame check rail having a generally rectangular cross section whereby all of the frame rails are particularly strong in torsion and present a finished appearance in installation, at least one movable sash secured within the frame for selective movement in the plane of the window frame and tilting out of the plane of the window frame about one edge of the sash including a tilt rail, guide rails and a lock rail and means positioned between the frame and sash for permitting the selective movement of the sash within the plane of the window and the tilting of the sash out of the plane of the window.

Claim 6

Dependent Claim 252 words

Window structure for installation both as a single hung window or a hopper window and as a right or left hand glider window including a box frame having a fixed frame rail, guiding frame rails and a locking frame rail, each having a cross section including a first generally U-shaped portion having a longer leg and a shorter leg opening toward the inside of the window structure, a second generally U-shaped portion having a longer leg and a shorter leg, with the shorter leg being on the inside of the window structure with respect to the longer leg, the longer leg of the second U-shaped portion being integral at its end with the shorter leg of the first U-shaped portion at its end and extending at right angles thereto, whereby the first and second U-shaped portions open at right angles to each other, and a frame check rail having a generally rectangular cross section whereby all of the frame rails are particularly strong in torsion and present a finished appearance in installation, at least one movable sash secured within the frame for selective movement in the plane of the window frame and tilting out of the plane of the window frame about one edge of the sash including a tilt rail, guide rails and a lock rail and means positioned between the frame and sash for permitting the selective movement of the sash within the plane of the window and the tilting of the sash out of the plane of the window.

Claim 7

Dependent Claim 60 words

Structure as set forth in claim 4 wherein the guiding frame rails further include a third generally U-shaped cross section portion having a common connecting portion with the second U-shaped portion and legs extending in a direction opposite to the extent of the legs of the second U-shaped portion which third U-shaped portion is adapted to receive window hardware structure.

Claim 8

Dependent Claim 69 words

Structure as set forth in claim 5 wherein the fixed box frame rail further includes an L-shaped cross section portion extending toward the outside of the window from one leg of the third U-shaped cross section portion and away from the opening of the third U-shaped cross section portion and toward the locking frame rail of the window frame to receive a glazing panel positioned in the window structure.

Claim 9

Dependent Claim 54 words

Structure as set forth in claim 4 wherein the locking box frame rail further includes a locking cross section portion extending from the connecting part of the second U-shaped portion away from the leg portions thereof toward the fixed frame rail of the window frame on the inside thereof terminating in a locking barb.

Claim 10

Dependent Claim 151 words

Window structure for installation both as a single hung window or a hopper window and as a right or left hand glider window including a box frame having a fixed frame rail, guiding frame rails, locking frame rail and a frame check rail each having a generally rectangular cross section whereby they are particularly strong in torsion and present a finished appearance in installation, at least one movable sash secured within the frame including a tilt rail, guide rails and a lock rail, which movable sash and all member connected thereto and not pivotal therewith are spaced from the guiding frame rails in substantially all positions of the movable sash in the plane of the frame and means positioned between the frame and sash for permitting the selective movement of the sash within the plane of the window and the tilting of the sash out of the plane of the window.

Claim 11

Dependent Claim 151 words

Window structure for installation both as a single hung window or a hopper window and as a right or left hand glider window including a box frame having a fixed frame rail, guiding frame rails, locking frame rail and a frame check rail each having a generally rectangular cross section whereby they are particularly strong in torsion and present a finished appearance in installation, at least one movable sash secured within the frame including a tilt rail, guide rails and a lock rail, which movable sash and all member connected thereto and not pivotal therewith are spaced from the guiding frame rails in substantially all positions of the movable sash in the plane of the frame and means positioned between the frame and sash for permitting the selective movement of the sash within the plane of the window and the tilting of the sash out of the plane of the window.

Claim 12

Dependent Claim 59 words

Structure as set forth in claim 8 and further including spacing and guiding means positioned between the movable sash guide rails and the guiding frame rails whereby the movable sash floats within the frame for movement within the frame and tilting movement relative thereto without metal-to-metal contact and consequent galling of the window structure members and noise in operation.

Claim 13

Dependent Claim 69 words

Structure as set forth in claim 3 wherein the glazing recesses have an undercut portion extending toward the glazing panel and the retaining members are L-shaped having a foot portion extending in the recesses beneath the undercut portion of the recesses and a stem portion extending out of the recesses generally parallel to the plane of the glazing panel and terminating in a portion extending toward the glazing panel.

Claim 14

Dependent Claim 93 words

Structure as set forth in claim 3 wherein the stuffer member is generally triangular in cross section and has a recess parallel to the base thereof in one side thereof and barb portions extending outwardly of the other side thereof away from the recess, the apex of which triangular portion is adapted to extend between the glazing panel and retaining member with the terminal part of the stem portion of the retaining member within the recess in the stuffer member and with tHe barb portions of the stuffer member against the glazing panel.

Claim 15

Dependent Claim 49 words

Structure as set forth in claim 8 and further including sealing means secured to one of the guiding frame rails and sash guide rails for providing a weather seal between the guiding frame rails and sash guide rails with the plane of the window structure in a non-tilted position.

Claim 16

Dependent Claim 186 words

Window structure for installation both as a single hung window or a hopper window and as a right or left hand glider window including a box frame having a fixed frame rail, guiding frame rails, a locking frame rail and a frame check rail, each having a generally rectangular cross section whereby they are particularly strong in torsion and present a finished appearance in installation, at least one movable sash secured within the frame for selective movement in the plane of the window frame and tilting out of the plane of the window frame, including a tilt rail, guide rails and a lock rail and at least one glazing panel in the window structure surrounded by rails having glazing recesses longitudinally thereof, an elongated retaining member positioned in the glazing recesses about the periphery of the glazing panel and an elongated stuffer member wedged between the retaining member and glazing panel, and means positioned between the frame and sash for permitting the selective movement of the sash within the plane of the window and the tilting of the sash out of the plane of the window.

Claim 17

Dependent Claim 186 words

Window structure for installation both as a single hung window or a hopper window and as a right or left hand glider window including a box frame having a fixed frame rail, guiding frame rails, a locking frame rail and a frame check rail, each having a generally rectangular cross section whereby they are particularly strong in torsion and present a finished appearance in installation, at least one movable sash secured within the frame for selective movement in the plane of the window frame and tilting out of the plane of the window frame, including a tilt rail, guide rails and a lock rail and at least one glazing panel in the window structure surrounded by rails having glazing recesses longitudinally thereof, an elongated retaining member positioned in the glazing recesses about the periphery of the glazing panel and an elongated stuffer member wedged between the retaining member and glazing panel, and means positioned between the frame and sash for permitting the selective movement of the sash within the plane of the window and the tilting of the sash out of the plane of the window.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1977-03-04	1977-09-03	1978-03-05	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1981-03-04	1981-09-03	1982-03-05	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1985-03-04	1985-09-03	1986-03-05	$7700.00	Window Closed / Lapsed

Window structure

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