Covers for door jambs and mullions

A mullion cover assembly, comprising:

• (a) a first elongate jamb plate comprising a first main side panel, a first outer panel extending at an angle transverse to said first main side panel, said first outer panel comprising a first mounting structure which defines a first locking locus corresponding to a first lateral location along a first width of said first outer panel;
• (b) as a separate and distinct element, a second elongate jamb plate comprising a second main side panel, a second Outer panel extending at an angle transverse to said second main side panel, said second outer panel comprising a second mounting structure which defines a second locking locus corresponding to a second lateral location along a second width of said second outer panel,
• said first and second outer panels, when said first and second elongate jamb plates are mounted to first and second side surfaces of a mullion substrate, generally residing in a common plane with respect to each other;
• and
• (c) an elongate nosing comprising a third mounting structure which defines third and fourth locking loci corresponding to third and fourth lateral locations along a third width (W) of said elongate nosing, said third and fourth locking loci on said nosing being engageable with said first and second locking loci on said first and second jamb plates thereby to mount said nosing to said first and second jamb plates such that said nosing bridges said jamb plates, and locks together the combination of said nosing and said first and second jamb plates, the distance between the third and fourth loci being at least as great as the sum of any extensions of said first and second outer panels, beyond said first and second locking loci, away from the respective said first and second main side panels.

A mullion assembly, comprising:

• (a) a mullion substrate having a length, first and second opposing side surfaces facing in opposing directions, generally along an outer surface of a building when said mullion assembly is installed on such building, and an outer surface facing outwardly from such outer surface of such building when said mullion assembly is installed on such building;
• (b) a first elongate jamb plate comprising a first main side panel extending along at least a portion of the first side surface of said mullion substrate, said first elongate jamb plate further comprising a first outer panel extending at an angle transverse to said first main side panel, said first outer panel facing away from such building and comprising a first mounting structure;
• (c) a second elongate jamb plate comprising a second main side panel extending along at least a portion of the second side surface of said mullion substrate, said second elongate jamb plate further comprising a second outer panel extending at an angle transverse to said second main side panel, said second outer panel facing away from such building and comprising a second mounting structure;
• and
• (d) an elongate nosing comprising a third mounting structure engaged with said first and second mounting structures on said first and second outer panels of said first and second jamb plates and thereby mounting said nosing to said first and second jamb plates at said first and second outer panels,
• wherein said first and second outer panels of the respective said first and second jamb plates are in surface-to-surface relationship with the outer surface of said mullion substrate.

A jamb cover assembly comprising an elongate jamb plate having a first length and an elongate nosing having a second length, and joined to said jamb plate,

• said jamb plate comprising a two-panel jamb plate having
• (a) a main side panel, and
• (b) an outer panel extending from a locus of joinder with said main side panel, at an angle transverse to said main side panel, to a distal edge of said outer panel,
• said elongate nosing extending in a straight line path along a substantial portion of the first length of said jamb plate and consisting of a single unitary structure,
• said jamb plate and said nosing collectively comprising mounting structure whereby said jamb plate and said nosing are mounted to each other through mounting structure communicating with said outer panel of said jamb plate,
• further comprising
• a mounting fin kerf in said nosing, located outwardly of the distal edge of said outer panel, such that the distal edge of said outer panel is disposed generally between said mounting fin kerf and said main side panel, said mounting fin kerf defining an opening, facing away from said outer panel, and configured to receive a mounting fin thereinto.

A method of up-grading an existing door frame which defines a doorway opening and which has been previously installed in an existing building, such existing door frame comprising a main jamb surface which faces into the doorway opening, a first outer jamb surface which faces a first direction away from the doorway opening, and a second outer jamb surface which faces a second opposing direction away from the doorway opening, the method comprising installing extruded aluminum cladding elements over the main surface and one of the outer jamb surfaces while the door frame is installed in the building, the extruded aluminum cladding elements which are installed on a given such jamb element comprising an elongate extruded aluminum jamb plate having a first length, and an elongate extruded aluminum nosing having a second length, the method including joining the extruded aluminum nosing to the extruded aluminum jamb plate as part of the up-grading,

• the jamb plate, which is installed on a given such jamb element having
• (a) a main side panel, and
• (b) an outer panel extending from a locus of joinder with the main side panel, at an angle transverse to the main side panel,
• the elongate nosing, which is installed on the given jamb plate extending in a straight line path and consisting of a single unitary structure,
• the jamb plate and the nosing collectively comprising mounting structure whereby the jamb plate and the nosing are mounted to each other through mounting structure communicating with the outer panel of the jamb plate adjacent only one of the first and second outer jamb surfaces,
• further comprising
• a mounting fin kerf in the given nosing, located outwardly of the distal edge of the outer panel, such that the distal edge of the outer panel is disposed generally between the mounting fin kerf and the main side panel.

In combination, an elongate nosing assembly and an elongate jamb plate, said elongate jamb plate being designed and configured to be mounted on an elongate jamb substrate of a door frame, said elongate jamb plate comprising a main side panel, and a first outer panel, extending at an angle transverse to said main side panel, and away from said main side panel, a first mounting structure comprising first and second locks, said first and second locks being connected to and extending away from said first outer panel in a common direction, said elongate nosing assembly comprising

• (a) a nosing comprising second mounting structure, designed and configured to cooperatively mount to said first mounting structure, thereby to mount said nosing to said jamb plate, said nosing, when mounted to said jamb plate, extending away from said main side panel;
• and
• (b) as a separate and distinct element, a mounting fin adapted to be mounted to said nosing, said mounting fin, when interfacing with a building to mount said mounting fin thereto, extending generally parallel to said outer panel, said mounting fin being deflectable, from a mounting position extending generally parallel to said outer panel, toward said main side panel of said jamb plate by about 90 degrees or more,
• said elongate nosing assembly being a two-component assembly comprising said nosing, as a single-piece nosing, and said mounting fin.

A jamb cover assembly, comprising:

• (a) an elongate jamb plate adapted and configured to interface with a doorway substrate, and comprising
• a main side panel, and
• an outer panel extending from a locus of joinder with said main side panel,
• said elongate jamb plate comprising first mounting structure extending from said outer panel, and
• (b) an elongate nosing assembly comprising
• (i)an elongate nosing comprising a front panel (56), and second mounting structure, comprising at least first and second legs, disposed between said front panel of said nosing and said outer panel of said jamb plate, said outer panel, when said jamb cover is mounted in a doorway of a building, being disposed between at least one of said legs and such substrate, and
• (ii) as a separate and distinct element, a mounting fin adapted to be mounted to said nosing, said mounting fin being deflectable, from a mounting position extending generally parallel to said outer panel, toward said main side panel of said jamb plate, by about 90 degrees or more,
• said elongate nosing assembly being a 2-component assembly comprising said nosing as a single-piece nosing, and said mounting fin.

A jamb cover assembly, adapted and configured to be mounted to a substrate in a doorway of a building, such substrate generally having a main surface facing across such doorway, and a first outer surface facing away from such building, said jamb cover assembly comprising:

• (a) an elongate jamb plate, comprising
• (i) a main side panel,
• (ii) a first outer panel extending from a locus of joinder with said main side panel, and
• (iii) first mounting structure, comprising first and second locks on said first outer panel, said first and second locks being proximate a common face of such substrate;
• (b) a nosing comprising second mounting structure, cooperatively mounting to said first mounting structure, thereby mounting said nosing to said jamb plate;
• and
• (c) as a separate and distinct element, a mounting fin adapted to be mounted to said nosing, said mounting fin being deflectable toward said main side panel of said jamb plate by about 90 degrees or more,
• said elongate nosing assembly being a 2-component assembly comprising said nosing, as a single-piece nosing, and said mounting fin.

A jamb cover assembly comprising an elongate jamb plate having a first length and an elongate nosing having a second length, and joined to said jamb plate,

• said jamb plate consisting of a single unitary structure, said jamb plate having
• (a) a main side panel portion, and
• (b) an outer panel portion extending from a locus of joinder with said main side panel portion, at an angle transverse to said main side panel portion, to a distal edge of said outer panel portion,
• said elongate nosing extending in a straight line path along a substantial portion of the first length of said jamb plate and consisting of a single unitary structure,
• said jamb plate and said nosing collectively comprising mounting structure whereby said jamb plate and said nosing are mounted to each other through mounting structure communicating with said outer panel portion of said jamb plate,
• further comprising
• a mounting fin kerf in said nosing, located outwardly of the distal edge of said outer panel, such that the distal edge of said outer panel is disposed generally between said mounting fin kerf and said main side panel, said mounting fin kerf defining an opening, facing away from said outer panel, the opening being configured to receive a mounting fin thereinto.