Patent ID: 11859421
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A door locking device for securing an out-swing door against forced entry, the out-swing door having a stile mounted to a door hinge supported by a door frame, the door supported on the door hinge for pivotal movement about a door hinge vertical axis from a closed position abutting the door frame to an open position away from the closed position, the stile extending parallel to the door hinge vertical axis from a bottom rail to a top rail thereof, the door having a lock stile opposite the stile, the door having a door body including a door interior surface facing the door frame, the door having a door exterior surface facing opposite the interior surface, the door body having a continuous door peripheral edge extending from the interior surface to the exterior surface in intersecting perpendicular relation thereto, the door peripheral edge including a door inside edge defined along the stile proximate the door hinge vertical axis, the door peripheral edge including a door outside edge defined along the lock stile in opposed parallel relation to the door inside edge, in corresponding relationship to the door inside edge the door frame having an elongated first jamb extending in the vertical direction, in corresponding relationship to the door outside edge the door frame having an elongated second jamb extending in the vertical direction, in the closed position the inside edge abutting the first jamb, in the closed position the outside edge abutting the second jamb, the door body including a first device mounting aperture defined in the door body, the first device mounting aperture extending through the door body to connect the door interior surface with the door exterior surface, the first device mounting aperture spaced apart from the door outside edge at a first offset distance, said door locking device comprising:
a mounting plate configured to be secured to the door interior surface by a first threaded fastener combination, said mounting plate comprising a mounting plate major body having a planar first rear surface configured to abut the door interior surface, said mounting plate major body having a planar first front surface disposed in opposed parallel relationship to said first rear surface, said mounting plate comprising a first mounting aperture extending through said mounting plate major body from said first rear surface to said first front surface in perpendicular relationship thereto, said first mounting aperture in common axial alignment with the first device mounting aperture of the door to receive said first threaded fastener extending therethrough, said first threaded fastener extending through said door body and said first major body to secure said mounting plate against said door body with said first rear surface abutting said door interior surface;
said mounting plate comprising a first outside edge having a vertical axis proximate the door outside edge, said mounting plate comprising a set of first receiver ears proximate said first outside edge, said set of first receiver ears spaced apart along a hinge pin vertical axis, said hinge pin vertical axis spaced from said first outside edge,
said mounting plate comprising a set of first receiver bays spaced apart along said hinge pin vertical axis adjacent said set of first receiver ears in alternating relationship therewith, each of said first receiver bays defined between two adjacent receiver ears including an upper receiver ear immediately above and a lower receiver ear immediately below said first receiver bay defined therebetween;
said set of first receiver bays configured to receive in mating relationship a corresponding set of second receiver ears of an adjacent clasp swing plate, said set of second receiver ears docking in said set of first receiver bays in registration relationship therewith;
said first receiver ears extending from said mounting plate major body in integral fixed relationship therewith, each of said first receiver ears comprising a proximal portion adjoining said mounting plate major body and a distal portion spaced from said proximal portion thereof, each of said first receiver ears comprising a first receiver wall extension to said distal portion from said proximal portion, said first receiver wall comprising a first receiver wall return from said distal portion to said proximal portion, cooperation of said first receiver wall extension with said first receiver wall return defining therebetween a first receiver aperture having a continuous tubular first receiver wall inner surface spaced from a first receiver aperture vertical axis in equidistant relationship at a first receiver wall inner radius, said first receiver wall comprising a continuous first receiver wall outer surface disposed in spaced opposed relationship to said first receiver wall inner surface,
said first receiver wall in the vertical direction extending from a continuous first receiver top surface to a continuous first receiver bottom surface, said first receiver wall terminating at said continuous first receiver top surface, said first receiver top surface extending from said first receiver wall outer surface to said first receiver wall inner surface in perpendicular intersecting relationship therewith, said first receiver top surface intersecting said first receiver wall outer surface at a continuous first top surface outer edge spaced from said first receiver aperture vertical axis in equidistant relationship at a first receiver wall outer radius, said first receiver top surface intersecting said first receiver wall inner surface at a continuous first top surface inner edge spaced from said first receiver aperture vertical axis in equidistant relationship at said first receiver wall inner radius,
said first receiver top surface in a direction perpendicular to said first receiver aperture vertical axis having a first receiver top surface primary width between said first top surface inner edge and said first top surface outer edge which is a difference between said first receiver wall outer radius and said first receiver wall inner radius;
said first receiver bottom surface disposed in spaced opposed relationship to said first receiver top surface, said first receiver wall comprising a uniform width from said first receiver top surface to said first receiver bottom surface, said first receiver bottom surface having a first receiver bottom surface primary width between a first bottom surface inner edge and first bottom surface outer edge which is said difference between said first receiver wall outer radius and said first receiver wall inner radius;
said first receiver top surface comprising a major rest proximate said first inner surface of said mounting plate major body, said major rest having a major rest height defining a maximum height of said first receiver wall;
said first receiver top surface comprising a locking channel bottom wall located at substantially ninety degrees (90°) in relation to said first inner surface of said mounting plate major body, said locking channel bottom wall having a locking channel bottom height defining a minimum height of said first receiver wall;
said first receiver top surface comprising a locking channel lower wall transition located at substantially ninety degrees (90°) in relation to said first inner surface of said mounting plate major body, said locking channel lower wall transition having a lower wall transition height defining a transition height of said first receiver wall;
said first receiver top surface comprising a declining slide surface having an upper end intersecting said major rest at said major rest height, said declining slide surface having a lower end intersecting said locking channel lower wall at said lower wall transition height;
said first receiver wall comprising said locking channel defined therein, said locking channel extending along a locking channel vertical axis, said locking channel comprising a locking channel major vertical wall opposite said locking channel minor lower wall, said declining slide surface and said locking channel minor upper wall, said declining slide surface at said lower wall transition introducing said neck portion of said second receiver into said locking channel defined therebetween, said locking channel comprising an open slot extending through said first receiver wall;
a door frame anchor assembly configured to be mounted to the door frame second jamb, said door frame anchor assembly comprising a door frame anchor mounting plate configured to be secured to the door frame second jamb, said door frame anchor assembly comprising a door frame anchor bolt configured to be secured to the door frame anchor mounting plate in mating threaded engagement therewith, said door frame anchor bolt having an anchor bolt head cross-sectional size greater than an adjoining anchor bolt stem cross-sectional size, said anchor bolt head at a clasp cut-out height determined for said anchor bolt head to be received in said clasp cutout of said clasp swing plate, said anchor bolt head at a clasp cut-out horizontal offset distance determined for said anchor bolt head to be received in said clasp cutout of said clasp swing plate;
said clasp swing plate configured for releasable secured engagement with said door frame anchor member, said clasp swing plate configured for vertical translation movement in relation to said door frame anchor member between an uppermost position and lowermost position when extending substantially perpendicular to said anchor bolt at substantially ninety degrees (90°) in relation to said first inner surface of said mounting plate major body, said clasp swing plate comprising said clasp cut-out defining a clasp anchor bolt aperture having a lower major region adjoining an upper minor region in open communication therewith, said lower major region configured to clear and receive said anchor bolt head when said clasp swing plate occupies said uppermost position relative to said door frame anchor assembly, said upper minor region configured to receive said anchor bolt stem without clearing said anchor bolt head when said clasp swing plate occupies said lowermost position relative to said door frame anchor assembly, said clasp cut-out at said clasp cut-out horizontal offset distance determined for said clasp cut-out at said clasp uppermost position to clear and receive said anchor bolt head and for said clasp cut-out at said clasp lowermost position to receive said anchor bolt stem without clearing said anchor bolt head, said clasp swing plate biased by force of gravity for vertical translation movement to said lowermost position from said uppermost position when extending toward said anchor bolt at substantially ninety degrees (90°) in relation to said mounting plate major body, said clasp swing plate retained in said lowermost position by gravity biasing force to lock said clasp swing plate at said anchor bolt with said clasp anchor bolt aperture at said minor upper region receiving said anchor bolt stem in registration relationship behind said enlarged anchor bolt head, unless same is exceeded by force opposing said gravity biasing force to raise said clasp swing plate from said lowermost position to said uppermost position;
said clasp swing plate comprising a first edge proximate said hinge pin vertical axis, said clasp swing plate comprising a second edge opposite said first edge, said second edge having a second vertical axis spaced from said first edge, said clasp swing plate comprising a set of second receiver ears proximate said first edge, said set of second receiver ears spaced apart along said hinge pin vertical axis;
said clasp swing plate comprising a set of second receiver bays spaced apart along said hinge pin vertical axis adjacent said set of second receiver ears in alternating relationship therewith, each of said second receiver bays defined adjacent at least one of said second receiver ears;
said set of second receiver bays configured to receive in mating relationship a corresponding set of first receiver ears of an adjacent mounting plate, said set of first receiver ears docking in said set of second receiver bays in registration relationship therewith;
said second receiver ears extending from said clasp swing plate major body in integral fixed relationship therewith, each of said second receiver ears comprising a neck adjoining said mounting plate major body, each of said second receiver ears comprising a proximal portion adjoining said neck, each of said second receiver ears comprising a distal portion spaced from said proximal portion thereof, each of said second receiver ears comprising a second receiver wall extension to said distal portion from said proximal portion, said second receiver wall comprising a second receiver wall return from said distal portion to said proximal portion, cooperation of said second receiver wall extension with said second receiver wall return defining therebetween a second receiver aperture having a continuous tubular second receiver wall inner surface spaced from a second receiver aperture vertical axis in equidistant relationship at a second receiver wall inner radius, said second receiver wall comprising a continuous second receiver wall outer surface disposed in spaced opposed relationship to said second receiver wall inner surface,
said second receiver wall in the vertical direction extending from a continuous second receiver top surface to a continuous second receiver bottom surface, said second receiver wall terminating at said continuous second receiver top surface, said second receiver top surface extending from said second receiver wall outer surface to said second receiver wall inner surface in perpendicular intersecting relationship therewith, said second receiver top surface intersecting said second receiver wall outer surface at a continuous second top surface outer edge spaced from said second receiver aperture vertical axis in equidistant relationship at a second receiver wall outer radius, said second receiver top surface intersecting said second receiver wall inner surface at a continuous second top surface inner edge spaced from said second receiver aperture vertical axis in equidistant relationship at said second receiver wall inner radius,
said second receiver top surface in a direction perpendicular to said second receiver aperture vertical axis having a second receiver top surface primary width between said second top surface inner edge and said second top surface outer edge which is a difference between said second receiver wall outer radius and said second receiver wall inner radius;
said second receiver bottom surface disposed in spaced opposed relationship to said second receiver top surface, said second receiver wall comprising a uniform width from said second receiver top surface to said second receiver bottom surface, said second receiver bottom surface having a second receiver bottom surface primary width between a second bottom surface inner edge and second bottom surface outer edge which is said difference between said second receiver wall outer radius and said second receiver wall inner radius;
said second receiver top surface having a uniform maximum height of said second receiver wall;
said second receiver bottom surface having a uniform base height of said second receiver wall;
said second receiver height established by height of said first receiver top surface in supporting engagement with said uniform second receiver bottom surface in said neck portion of said second receiver, said height of said first receiver top surface determined by angular rotation position of said clasp swing plate in relation to said hinge pin vertical axis,
when said clasp swing plate is turned relative to said hinge pin vertical axis to an unlocked position extending substantially parallel to said mounting plate, said second receiver is supported at said maximum height by supporting engagement with said major rest to raise said clasp swing plate to said uppermost position;
when said clasp swing plate is turned relative to said hinge pin vertical axis to an unlocked position in an angular zone ranging between said mounting plate and said locking channel transition, said second receiver is supported at differential height by supporting engagement with said declining slide surface to lower said clasp swing plate through a range of positions lower than said uppermost position;
when said clasp swing plate is turned relative to said hinge pin vertical axis to a locked position extending substantially perpendicular to said mounting plate toward said door frame anchor bolt, said second receiver is supported at said minimum height by supporting engagement with said locking channel bottom wall to support said clasp swing plate at said lowermost position, said clasp swing plate turned in the angular zone from said locking channel transition to said locking channel bottom wall biased by force of gravity to be retained in said lowermost position by said clasp cut-out upper minor region secured to said anchor bolt stem behind said anchor bolt enlarged head.