Sliding screen door

Claim 2

A sliding door construction guided for sliding movement by a rail, comprising: a door adjacent said rail, said door comprising a frame-work including spaced side members and spaced transverse channel members of outwardly opening channel cross section connecting said side members adjacent the ends thereof; a guidable element engageable with said rail; movable support means carrying said guidable element and securing same to said door for movement through a selected path; an abutment element capable of interfering contact with said movable support means to limit movement of said support means on said first mentioned path, said abutment element being movable along a second path tO change the position on said first mentioned path at which said limitation of movement of said support means occurs; adjustment means accessible from the outside of the door and manipulatable for adjusting the position of said abutment element on said second path; at least one pair each of guidable elements, movable support means, abutment elements and adjustment means being received in each channel member, said side members having opposed notched portions snugly receiving the adjacent ends of said transverse members having spaced opposed sidewalls connected by a bight wall, said sidewalls having outward extensions of increased spacing lying beyond and abutting the ends of said side members, a hollow rib on one said wall extending longitudinally of said transverse member, elongate fastening means receivable in said rib and engaging the adjacent side member for fastening the transverse members to the side members, said abutment element comprising a block supported for sliding movement on the walls of said channel member and having a recessed portion receiving said rib.

Claim 3

The device defined in claim 1 in which said adjustment means comprises a screw substantially parallel to said rib and threadedly engaging said block, said screw being axially fixed with respect to the adjacent side member whereby rotation of said screw will cause the block to move longitudinally of said channel adjacent said rib, said movable support means comprising a bar pivotally supported between the sidewalls of said channel adjacent said screw, said block lying in the pivotal path of said bar for limiting inward movement of said guidable element with respect to said door.

Claim 4

A sliding door construction guided for sliding movement by a rail, comprising: a door adjacent said rail; a guidable element engageable with said rail; movable support means carrying said guidable element and securing same to said door for movement through a selected path; an abutment element capable of interfering contact with said movable support means to limit movement of said support means on said first mentioned path, said abutment element being movable along a second path to change the position on said first mentioned path at which said limitation of movement of said support means occurs; adjustment means accessible from the outside of the door and manipulatable for adjusting the position of said abutment element on said second path; a second door substantially coplanar to said first mentioned door; an elongate astragal secured to the edge of one of said doors, said astragal comprising a first portion of generally C-shaped cross section and a second portion of generally T-shaped cross section having a crossarm and a leg, said leg being integrally connected to said portion of C-shaped cross section adjacent to but spaced from one edge thereof, said doors having opposed concave end faces, said crossarm being disposed exteriorly of said doors, said leg extending between said doors and one portion of said C-shaped portion being snugly receivable in the concave end face of one door and the remaining portion of said C-shaped portion being snugly receivable in the concave end face of the other door for effecting a labyrinthian interface therebetween.

Claim 5

A sliding door construction guided for sliding movement by a rail, comprising: a door adjacent said rail; a guidable element engageable with said rail; movable support means carrying said guidable element and securing same to said door for movement through a selected path; an abutment element capable of interfering contact with said movable support means to limit movement of said support means on said first mentioned path, said abutment element being movable along a second path to change the position on said first mentioned path at which said limitation of movement of said support means occurs; adjustment means accessible from the outside of the door and manipulatable for adjusting the position of said abutment element on said second path; a second door substantially coplanar to said first mentioned door; an elongate astragal secured to the edge of one of said doors, said astragal comprising a first portion of generally C-shaped cross section and a second portion of generally T-shaped cross section having a crossarm and a leg, said leg being integrally connected to said portion of C-shaped cross section adjacent to but spaced from one edge thereof, said doors having opposed concave end faces, said crossarm being disposed exteriorly of said doors, said leg extending between said doors and one portion of said C-shaped portion being snugly receivable in the concave end face of one door and the remaining portion of said C-shaped portion being snugly receivable in the concave end face of the other door for effecting a labyrinthian interface therebetween.

Claim 6

The device defined in claim 3 in which said second door carries further guidable elements, movable support means, abutment elements and adjustments means, said astragal including openings in said C-shaped portion for providing access to said adjustment means of said one door, a latch element in the concave end face of the other door extending towards said one door, said astragal having an opposed opening for coacting with said latch element for latching said doors together in relatively immovable relationship.

Claim 7

The device defined in claim 4 in which said astragal is notched at an end thereof for reception of said rail in clearance relation therein.

Claim 8

A sliding door construction guided for sliding movement by A rail, comprising: a door adjacent said rail; a guidable element engageable with said rail; movable support means carrying said guidable element and securing same to said door for movement through a selected path; an abutment element capable of interfering contact with said movable support means to limit movement of said support means on said first mentioned path, said abutment element being movable along a second path to change the position on said first mentioned path at which said limitation of movement of said support means occurs; adjustment means accessible from the outside of the door and manipulatable for adjusting the position of said abutment element on said second path; latch means on one edge of said door; a fixed stile in the path of said door, said stile having a stepped face opposed to said door; and a latch block fixed to one of the steps of said stile and having an opening therein for reception of said latch means on said door for latching said door to said stile, said latch block having a recess facing transversely of the plane of said door and closed by the opposed surface of said one step, said opening communicating with said recess.

Claim 9

A sliding door construction guided for sliding movement by A rail, comprising: a door adjacent said rail; a guidable element engageable with said rail; movable support means carrying said guidable element and securing same to said door for movement through a selected path; an abutment element capable of interfering contact with said movable support means to limit movement of said support means on said first mentioned path, said abutment element being movable along a second path to change the position on said first mentioned path at which said limitation of movement of said support means occurs; adjustment means accessible from the outside of the door and manipulatable for adjusting the position of said abutment element on said second path; latch means on one edge of said door; a fixed stile in the path of said door, said stile having a stepped face opposed to said door; and a latch block fixed to one of the steps of said stile and having an opening therein for reception of said latch means on said door for latching said door to said stile, said latch block having a recess facing transversely of the plane of said door and closed by the opposed surface of said one step, said opening communicating with said recess.

Claim 10

The device defined in claim 6 in which the latch block recess is defined by an interior face from which transversely extend an opposed pair of end walls and an opposed pair of sidewalls connecting said end walls, one of said sidewalls having said opening therein for reception into the interior of said latch block of said latch means of said door, elongate slots in the interior face of said latch blocks for reception thereinto of screws engagable with said stile for holding said latch block thereto, said latch block being adjustable along the length of said stile to an extent dependent on the length dimension of said slots for properly positioning the opening in said latch block with respect to the latch on said door.

Claim 11

In a door construction slidable between a vertically spaced pair of rails, a combination comprising: a door framework comprising a spaced opposed pair of upstanding side members and a spaced opposed pair of substantially horizontal top and bottom members fixedly connecting said side members and being of substantially channel-like and upwardly and downwardly opening cross-section, respectively; a pivot bar located in one of said top and bottom members, said pivot bar being disposed between the sidewalls of said channel and pivotally supported by a pin extending between said walls, said pin being located adjacent the end of said pivot bar nearest the adjacent side member of said frame for pivotally mounting said pivot bar for pivotal movement in a plane substantially parallel to and between said sidewalls; a roller adjacent the opposite end of said pivot bar and guidedly engageable with said rail; a nut disposed between said sidewalls in said channel and supported upon the bight wall of said channel connecting said sidewalls for sliding movement longitudinally of the channel, said nut being disposed inwardly of said pivot bar with respect to said door, said nut having an abutment surface capable of contact by said pivot bar for precluding further inward movement of said pivot bar with respect to said door and towards said bight wall of said channel, the length axis of said pivot bar being inclined with respect to said bight wall when said pivot bar is in contact with said abutment surface in a manner that the portion of the length axis of said pivot bar adjacent said abutment nut is further from said bight wall than the portion of said axis adjacent said pivot mounting of said bar, whereby movement of said abutment nut along the bight wall towards the pivot axis pivotally moves said pivot bar in a direction for moving said roller away from said bight wall; an elongate adjustment screw extending along said pivot bar and threadedly engaging said nut, said adjustment screw being substantially parallel said bight wall, whereupon rotation of said adjuStment screw causes said nut to move along said bight wall to adjust the inwardmost limiting position of said pivot bar; resilient means disposed between said nut and a fixed wall defining the end of said channel and means defining a head on said screw disposed on the opposite side of said fixed wall from said resilient means, said resilient means and head cooperating to maintain said adjustment screw in substantially fixed relationship with respect to said door while not precluding rotation thereof.

Claim 12

In a door construction slidable between a vertically spaced pair of rails, a combination comprising: a door framework comprising a spaced opposed pair of upstanding side members and a spaced opposed pair of substantially horizontal top and bottom members fixedly connecting said side members and being of substantially channel-like and upwardly and downwardly opening cross-section, respectively; a pivot bar located in one of said top and bottom members, said pivot bar being disposed between the sidewalls of said channel and pivotally supported by a pin extending between said walls, said pin being located adjacent the end of said pivot bar nearest the adjacent side member of said frame for pivotally mounting said pivot bar for pivotal movement in a plane substantially parallel to and between said sidewalls; a roller adjacent the opposite end of said pivot bar and guidedly engageable with said rail; a nut disposed between said sidewalls in said channel and supported upon the bight wall of said channel connecting said sidewalls for sliding movement longitudinally of the channel, said nut being disposed inwardly of said pivot bar with respect to said door, said nut having an abutment surface capable of contact by said pivot bar for precluding further inward movement of said pivot bar with respect to said door and towards said bight wall of said channel, the length axis of said pivot bar being inclined with respect to said bight wall when said pivot bar is in contact with said abutment surface in a manner that the portion of the length axis of said pivot bar adjacent said abutment nut is further from said bight wall than the portion of said axis adjacent said pivot mounting of said bar, whereby movement of said abutment nut along the bight wall towards the pivot axis pivotally moves said pivot bar in a direction for moving said roller away from said bight wall; an elongate adjustment screw extending along said pivot bar and threadedly engaging said nut, said adjustment screw being substantially parallel said bight wall, whereupon rotation of said adjuStment screw causes said nut to move along said bight wall to adjust the inwardmost limiting position of said pivot bar; resilient means disposed between said nut and a fixed wall defining the end of said channel and means defining a head on said screw disposed on the opposite side of said fixed wall from said resilient means, said resilient means and head cooperating to maintain said adjustment screw in substantially fixed relationship with respect to said door while not precluding rotation thereof.

Claim 13

The device defined in claim 8 in which said resilient means comprises a coil spring coaxially receiving said adjustment screw therewithin and including means preventing unintentional threaded movement of said nut off said screw.

Claim 14

The device defined in claim 8 including an elongate sinuously curved leaf spring releasably secured at one end thereof to the end of said pivot bar carrying said roller and normally bearing at its other end upon means fixed with respect to said bottom wall for urging said pivot bar outwardly of said door construction, there being at least two pivot bars equipped with such sinuously curved springs, one at each end of said upper frame member, there being two further such pivot bars disposed adjacent the ends of the bottom frame member and having no such spring.

Claim 15

The device defined in claim 8 in which said nut comprises a severed length of an extrusion having generally rectilinear form, having recessed portions in opposed sidewalls thereof normally disposed opposite to the sidewalls of the channel of the corresponding top or bottom frame member, a threaded opening therethrough for reception of said adjustment screw therein and a slot communicating between said threaded opening and exterior face of said block.

Claim 16

The device defined in claim 8 in which said pivot bar comprises a plate-like element having an extension which is angled at a shallow angle with respect to the central plane of said plate-like portion, said extension being angled to allow clearance of said pivot bar and said adjustment screw, spaced slotted bosses extending transversely of said pivot bar on one face thereof for reception of the pivot pin and means for supporting said roller and further slot adjacent the roller carrying end of said pivot bar, said spring having an L-shaped end thereon engageable within said slot, the end portion of said bar defining said slot being deformable into close pressed relationship with said end of said spring for holding said spring in fixed relationship to said bar.

Claim 17

The device defined in claim 8 in which the pivot bar comprises a plate-like element having a first extension at one end thereof angled at a shallow angle with respect to the central plane of said plane-like portion, said first extension being angled to allow clearance of said pivot bar and said adjustment screw, spaced slotted bosses extending transversely of said pivot bar on one face thereof for reception of said pivot pin and means for supporting said roller, a substantially U-shaped boss on the side of said pivot bar opposite said slotted bosses and located substantially opposite the one of said bosses receiving said means for supporting said roller, one leg of said U-shaped boss being spaced from the opposed side of said pivot bar for defining therewith an L-shaped slot, said spring having L-shaped end engageable within said slot, said U-shaped boss being deformable into close spaced relationship with the end of said spring for holding same in fixed relation to said bar, said bar having a second extension extending beyond said last mentioned slotted boss for backing the portion of said spring adjacent the L-shaped end thereof.

Claim 18

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent thE other end of said bar, said other end of said bar extending at a shallow angle to said rail so that movement of said guidable element is predominantly toward and away from said rail; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageable with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door, said limit block comprising a nut supported for sliding motion on said door along a path substantially parallel to said rail and intersected by said other end of said bar, said nut being contractable by said bar for limiting inward pivotal movement of said bar, movement of said nut in one direction along said path of travel progressively moving the inward limiting position of said bar outwardly of the door; adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door, said adjustment means comprising an adjustment screw threadedly engaging said nut and rotatable for moving said nut along its path and further including means at least resiliently urging said screw to remain in a longitudinally fixed position with respect to said door.

Claim 19

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent thE other end of said bar, said other end of said bar extending at a shallow angle to said rail so that movement of said guidable element is predominantly toward and away from said rail; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageable with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door, said limit block comprising a nut supported for sliding motion on said door along a path substantially parallel to said rail and intersected by said other end of said bar, said nut being contractable by said bar for limiting inward pivotal movement of said bar, movement of said nut in one direction along said path of travel progressively moving the inward limiting position of said bar outwardly of the door; adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door, said adjustment means comprising an adjustment screw threadedly engaging said nut and rotatable for moving said nut along its path and further including means at least resiliently urging said screw to remain in a longitudinally fixed position with respect to said door.

Claim 20

The device defined in claim 14, including spring means mounted on said other end of said bar and spaced from said pivot means at least substantially as far as in said guidable means for urging said bar outwardly of said door.

Claim 21

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent the other end of said bar; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageable with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door; said bar comprising an extrusion segment including spaced parallel bosses on one side of said bar, said bosses extending and being slotted transversely of said bar and located at opposite ends of said intermediate portion, said guidable element and pivot means including pins receivable in said bosses, said one bar end extending from the adjacent boss and being angled toward said one bar side, said bar including a further boss adjacent the other bar end and facing oppositely of the adjacent first mentioned boss and defining a substantially L-shaped slot opening toward said other bar end, said bar being relieved adjacent said other bar end for receiving said guidable element; a leaf spring adapted to bear against the door and having an L-shaped end received in said L-shaped slot and gripped by said further boss; and adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door.

Claim 22

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent the other end of said bar; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageable with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door; said bar comprising an extrusion segment including spaced parallel bosses on one side of said bar, said bosses extending and being slotted transversely of said bar and located at opposite ends of said intermediate portion, said guidable element and pivot means including pins receivable in said bosses, said one bar end extending from the adjacent boss and being angled toward said one bar side, said bar including a further boss adjacent the other bar end and facing oppositely of the adjacent first mentioned boss and defining a substantially L-shaped slot opening toward said other bar end, said bar being relieved adjacent said other bar end for receiving said guidable element; a leaf spring adapted to bear against the door and having an L-shaped end received in said L-shaped slot and gripped by said further boss; and adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door.

Claim 23

The device defined in claim 16 in which said adjustment means comprises a screw and said limit block comprises a nut threadedly engageable with said screw and movable with respedt to said door inboard of said bar upon rotation of said screw.

Claim 24

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent the other end of said bar; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageAble with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door; adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door; and first and second substantially coplanar doors and an elongate astragal secured to the edge of one of said doors, said astragal comprising a first portion of generally C-shaped cross section and a second portion of generally T-shaped cross section having a crossarm and a leg, said leg being integrally connected to said portion of C-shaped cross section adjacent to but spaced from one edge thereof, said doors having opposed concave end faces, said crossarm being disposed exteriorly of said doors, said leg extending between said doors and one portion of said C-shaped portion being snugly receivable in the concave end face of one door and the remaining portion of said C-shaped portion being snugly receivable in the concave end face of the other door for effecting a labyrinthian interface therebetween.

Claim 25

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent the other end of said bar; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageAble with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door; adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door; and first and second substantially coplanar doors and an elongate astragal secured to the edge of one of said doors, said astragal comprising a first portion of generally C-shaped cross section and a second portion of generally T-shaped cross section having a crossarm and a leg, said leg being integrally connected to said portion of C-shaped cross section adjacent to but spaced from one edge thereof, said doors having opposed concave end faces, said crossarm being disposed exteriorly of said doors, said leg extending between said doors and one portion of said C-shaped portion being snugly receivable in the concave end face of one door and the remaining portion of said C-shaped portion being snugly receivable in the concave end face of the other door for effecting a labyrinthian interface therebetween.

Claim 26

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent the other end of said bar; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageable with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door; adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door; and latch means on one edge of said door, a fixed stile in the path of said door, said stile having a stepped face opposed to said door, a latch block fixed to one of the steps of said stile and having an opening therein for reception of said latch means on said door for latching said door to said stile, said latch block having a recess facing transversely of the plane of said door and closed by the opposed surface of said one step, said opening communicating with said recess.

Claim 27

A sliding door construction including a door guided for sliding movement by a rail, comprising: a guidable element engageable with said rail; an elongate bar and pivot means adjacent one end of said bar for pivotally mounting said bar on said door, said guidable element being mounted adjacent the other end of said bar; means defining a limit block movable on said door along a path adjacent a portion of said bar intermediate said pivot means and guidable element and engageable with said intermediate portion of said bar for limiting movement of said guidable element inwardly of said door; adjustment means accessible from the outside of the door for adjusting the position of said limit block on said path and lying adjacent said one end of said bar for limiting movement of said guidable element outwardly of said door; and latch means on one edge of said door, a fixed stile in the path of said door, said stile having a stepped face opposed to said door, a latch block fixed to one of the steps of said stile and having an opening therein for reception of said latch means on said door for latching said door to said stile, said latch block having a recess facing transversely of the plane of said door and closed by the opposed surface of said one step, said opening communicating with said recess.