CA2868499A1 - Door sill assembly, door sill and kit therefor - Google Patents
Door sill assembly, door sill and kit therefor Download PDFInfo
- Publication number
- CA2868499A1 CA2868499A1 CA2868499A CA2868499A CA2868499A1 CA 2868499 A1 CA2868499 A1 CA 2868499A1 CA 2868499 A CA2868499 A CA 2868499A CA 2868499 A CA2868499 A CA 2868499A CA 2868499 A1 CA2868499 A1 CA 2868499A1
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- CA
- Canada
- Prior art keywords
- sill
- door
- longitudinal
- crown
- tread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/70—Sills; Thresholds
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
- E06B7/2312—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with two or more sealing-lines or -planes between the wing and part co-operating with the wing
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2316—Plastic, sponge rubber, or like strips or tubes used as a seal between the floor and the wing
Abstract
A door sill assembly comprises a door sill, which comprises: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge; a sill tread defining a stepping surface; and a sill support at least partially supporting the sill crown and the sill tread.
Each of the sill crown, the sill tread, and the sill support are separately formed.
Each of the sill crown, the sill tread, and the sill support are separately formed.
Description
DOOR SILL ASSEMBLY, DOOR SILL AND KIT THEREFOR
Field of the Invention [0001] The present invention relates generally door frames and in particular, to a door sill assembly, door sill and kit therefor.
Background of the Invention
Field of the Invention [0001] The present invention relates generally door frames and in particular, to a door sill assembly, door sill and kit therefor.
Background of the Invention
[0002] In the field of door framing, improved door frame designs are continually being developed to provide better resistance to weather elements, such as wind and rain. At the same time, new regulatory standards that require door frames to have increased resistance to water penetration are continually being introduced. As water penetration is typically greatest at the bottom of the door frame, improvements to the design of the door sill assembly are often critical to increasing the overall weather resistance of the door frame.
[0003] Door sill assemblies have been previously described. For example, Canadian Patent No. 2,775,167 to Gilbert et al. discloses a door sill assembly that comprises a sill threshold defining an upper step portion and a lower step portion. A
sweep is connected to a bottom of a door slab of a door, the sweep comprising deflectors projecting downwardly from the door slab. An outermost deflector is vertically aligned with and spaced apart from the lower step portion when the door is closed to form a pressure-equalized zone open to the exterior. A second deflector is vertically aligned and in contact with the upper step portion when the door is closed.
A seal is positioned interiorly relative to the deflectors and is vertically aligned with the upper step portion to form a sealed zone with the second one of the deflectors and the upper portion when the door is closed.
100041 U.S. Patent No. 8,448,384 to Wernlund et al. discloses a doorway with a sill attachment that increases a sill DP rating that includes spaced vertical jambs, a head jamb, and a sill that together form a door frame. The sill is a substantially hollow contain-and-drain type sill, with nosing provided with drainage openings. A
hollow sill attachment is mounted to and extends along the nosing, and projects downwardly to a position below the drainage openings in the nosing of the sill. The drainage openings communicate with the interior. Weep holes that communicate with the environment are located in the sill attachment at a position below the drainage openings in the nosing of the sill. The attachment increases the column height of water that can be accommodated by the sill before leakage occurs, and thus enhances the DP rating of the sill.
[0005] Improvements are generally desired. It is therefore an object to provide a novel door sill assembly, door sill and kit therefor.
Summary of the Invention [0006] In one aspect, there is provided a door sill assembly, comprising:
a door sill comprising: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge, a sill tread defining a stepping surface, and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
[0007] The door sill assembly may further comprise a door sweep configured to be fitted to the bottom of a door. The door sweep may comprise a longitudinal seal configured to engage the longitudinal ridge for providing a fluid barrier. The door sweep may further comprise a longitudinal deflector configured to engage the longitudinal ridge exterior of the longitudinal seal for providing an additional fluid barrier. The longitudinal deflector may be moveable and configured to be rotated downwardly into engagement with the longitudinal ridge when the longitudinal seal is brought into engagement with the longitudinal ridge. The door sweep may further comprise an additional longitudinal seal configured to engage the sill crown interior of the drain trough for providing an additional fluid barrier. The door sweep may further comprise one or more downwardly depending flaps configured to engage the sill crown for each providing an additional fluid barrier. At least one of the downwardly depending flaps may engage the drain trough interior of the one or more upper apertures. The door sweep may comprise an interior longitudinal flap configured to abut an interior-facing surface of the sill crown for providing an additional fluid barrier.
[0008] The door sill may further comprise a transverse seal at each longitudinal end of the door sill for providing a fluid barrier. The each transverse seal may be a gasket fabricated of a resilient material.
[0009] The sill tread may be formed of extruded aluminum alloy. The sill crown may be formed of extruded polymer. The door sweep may be formed by coextrusion of a first polymer and a second polymer, the second polymer having a lower hardness than the first polymer, the longitudinal seal being formed of the second polymer.
[00010] The sill support may comprise a machined board. The sill support may be formed of wood, a wood/plastic composite, or a plastic composite.
[00011] In another aspect there is provided a door sill comprising: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge; a sill tread defining a stepping surface; and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
1000121 In another aspect, there is provided a kit for assembling a door sill, the kit comprising: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge; a sill tread defining a stepping surface; and a sill support configured to at least partially supporting the sill crown and the sill tread when the sill crown, the sill tread and the sill support are connected to each other, each of the sill crown, the sill tread, and the sill support being separately formed.
sweep is connected to a bottom of a door slab of a door, the sweep comprising deflectors projecting downwardly from the door slab. An outermost deflector is vertically aligned with and spaced apart from the lower step portion when the door is closed to form a pressure-equalized zone open to the exterior. A second deflector is vertically aligned and in contact with the upper step portion when the door is closed.
A seal is positioned interiorly relative to the deflectors and is vertically aligned with the upper step portion to form a sealed zone with the second one of the deflectors and the upper portion when the door is closed.
100041 U.S. Patent No. 8,448,384 to Wernlund et al. discloses a doorway with a sill attachment that increases a sill DP rating that includes spaced vertical jambs, a head jamb, and a sill that together form a door frame. The sill is a substantially hollow contain-and-drain type sill, with nosing provided with drainage openings. A
hollow sill attachment is mounted to and extends along the nosing, and projects downwardly to a position below the drainage openings in the nosing of the sill. The drainage openings communicate with the interior. Weep holes that communicate with the environment are located in the sill attachment at a position below the drainage openings in the nosing of the sill. The attachment increases the column height of water that can be accommodated by the sill before leakage occurs, and thus enhances the DP rating of the sill.
[0005] Improvements are generally desired. It is therefore an object to provide a novel door sill assembly, door sill and kit therefor.
Summary of the Invention [0006] In one aspect, there is provided a door sill assembly, comprising:
a door sill comprising: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge, a sill tread defining a stepping surface, and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
[0007] The door sill assembly may further comprise a door sweep configured to be fitted to the bottom of a door. The door sweep may comprise a longitudinal seal configured to engage the longitudinal ridge for providing a fluid barrier. The door sweep may further comprise a longitudinal deflector configured to engage the longitudinal ridge exterior of the longitudinal seal for providing an additional fluid barrier. The longitudinal deflector may be moveable and configured to be rotated downwardly into engagement with the longitudinal ridge when the longitudinal seal is brought into engagement with the longitudinal ridge. The door sweep may further comprise an additional longitudinal seal configured to engage the sill crown interior of the drain trough for providing an additional fluid barrier. The door sweep may further comprise one or more downwardly depending flaps configured to engage the sill crown for each providing an additional fluid barrier. At least one of the downwardly depending flaps may engage the drain trough interior of the one or more upper apertures. The door sweep may comprise an interior longitudinal flap configured to abut an interior-facing surface of the sill crown for providing an additional fluid barrier.
[0008] The door sill may further comprise a transverse seal at each longitudinal end of the door sill for providing a fluid barrier. The each transverse seal may be a gasket fabricated of a resilient material.
[0009] The sill tread may be formed of extruded aluminum alloy. The sill crown may be formed of extruded polymer. The door sweep may be formed by coextrusion of a first polymer and a second polymer, the second polymer having a lower hardness than the first polymer, the longitudinal seal being formed of the second polymer.
[00010] The sill support may comprise a machined board. The sill support may be formed of wood, a wood/plastic composite, or a plastic composite.
[00011] In another aspect there is provided a door sill comprising: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge; a sill tread defining a stepping surface; and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
1000121 In another aspect, there is provided a kit for assembling a door sill, the kit comprising: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge; a sill tread defining a stepping surface; and a sill support configured to at least partially supporting the sill crown and the sill tread when the sill crown, the sill tread and the sill support are connected to each other, each of the sill crown, the sill tread, and the sill support being separately formed.
- 4 -Brief Description of the Drawings [00013] Embodiments will now be described more fully with reference to the accompanying drawings in which:
[00014] Figure 1 is a schematic, perspective view of an assembled door frame comprising a door sill assembly;
[00015] Figure 2 is an elevational side view of the door sill assembly of Figure 1, showing a portion of a door in a closed position;
[00016] Figure 3 is a perspective view of a door sill forming part of the door sill assembly of Figure 2;
[00017] Figure 4 is an elevational side view of the door sill of Figure 3;
[00018] Figure 5 is a top plan view of the door sill of Figure 3;
[00019] Figure 6 is an elevational side view of a door sweep forming part of the door sill assembly of Figure 2;
[00020] Figure 7 is an exploded perspective view of a portion of the assembled door frame of Figure 1;
[00021] Figure 8 is an elevational side view of the door sill of Figure 3, showing a first sill tread extension and a second sill tread extension connected thereto;
[00022] Figures 9A and 9B are elevational side views of other embodiments of first sill tread extensions; and [00023] Figure 10 is an elevational side view of another embodiment of a second sill tread extension.
Detailed Description of the Embodiments [00024] Turning now to Figure 1, an assembled door frame of an exterior doorway of a building is shown and is generally indicated by reference numeral 20.
The door frame 20 comprises two (2) door jamb portions 22, a lintel portion 24 connected to upper ends of the door jamb portions 22, and a door sill assembly installed at the lower end of the door frame 20. A door 28 having an interior swing is rotatably connected to onc of the door jamb portions 22 by hinges (not shown), and operably engages the door frame 20 for providing a closed position of the door, as shown in Figure 1.
[00014] Figure 1 is a schematic, perspective view of an assembled door frame comprising a door sill assembly;
[00015] Figure 2 is an elevational side view of the door sill assembly of Figure 1, showing a portion of a door in a closed position;
[00016] Figure 3 is a perspective view of a door sill forming part of the door sill assembly of Figure 2;
[00017] Figure 4 is an elevational side view of the door sill of Figure 3;
[00018] Figure 5 is a top plan view of the door sill of Figure 3;
[00019] Figure 6 is an elevational side view of a door sweep forming part of the door sill assembly of Figure 2;
[00020] Figure 7 is an exploded perspective view of a portion of the assembled door frame of Figure 1;
[00021] Figure 8 is an elevational side view of the door sill of Figure 3, showing a first sill tread extension and a second sill tread extension connected thereto;
[00022] Figures 9A and 9B are elevational side views of other embodiments of first sill tread extensions; and [00023] Figure 10 is an elevational side view of another embodiment of a second sill tread extension.
Detailed Description of the Embodiments [00024] Turning now to Figure 1, an assembled door frame of an exterior doorway of a building is shown and is generally indicated by reference numeral 20.
The door frame 20 comprises two (2) door jamb portions 22, a lintel portion 24 connected to upper ends of the door jamb portions 22, and a door sill assembly installed at the lower end of the door frame 20. A door 28 having an interior swing is rotatably connected to onc of the door jamb portions 22 by hinges (not shown), and operably engages the door frame 20 for providing a closed position of the door, as shown in Figure 1.
-5-1000251 The door sill assembly 26 may be better seen in Figures 2 to 7.
Door sill assembly 26 comprises a longitudinal door sill 30 that is configured to be connected to the lower ends of the door jamb portions 22. The door sill 30 has a generally composite construction, and comprises a sill tread 32, a sill crown 34, and a sill support 36, all of which are separately-formed parts that are configured to be connected to each other during assembly of the door sill 30. The door sill 26 is configured to be supported by an underlying support surface (not shown), such as for example a concrete slab.
[00026] The sill tread 32 is formed by extrusion and has a generally longitudinal shape, and in this embodiment the sill tread 32 is formed of extruded aluminum alloy. The sill tread 32 has an inclined stepping surface 42, which in the embodiment shown has a plurality of longitudinal ridges 44 extending the length thereof for providing grip. Extending from an underside of the stepping surface 42 is a curved, longitudinal flange 46 configured to be supported by an upper surface of the sill support 36. The sill tread 32 also comprises a longitudinal bead 48 which, together with the longitudinal flange 46, define a longitudinal channel 49 for connection to the sill crown 34. The sill tread 32 also comprises a downwardly-extending longitudinal rib 50 having a pair of inwardly extending longitudinal flanges, namely an upper longitudinal flange 52 and a lower longitudinal flange 54, for connection to the sill support 36, and for being supported by the underlying support surface. The sill tread 32 further comprises an upper front longitudinal bead 56 defining a longitudinal exterior channel 57 and a lower front longitudinal flange 58 defining a longitudinal exterior channel 59.
[00027] The sill crown 34 is formed by extrusion and has a generally longitudinal shape. The sill crown 34 is configured to be connected to the sill tread 32, such that the sill tread 32 and the sill crown 34 together define an outer surface of the door sill 30. In this embodiment, the sill crown 34 is formed of extruded polyvinyl carbonate (PVC) having an ultraviolet (UV) light stabilizing additive combined therewith for increasing resistance of the sill crown 34 to degradation by UV light. The sill crown 34 has an upper longitudinal ridge 60 that extends the length thereof. The longitudinal ridge 60 comprises an upwardly extending longitudinal rib 62, a inclined longitudinal surface 64 that slopes downwardly and exteriorly from the
Door sill assembly 26 comprises a longitudinal door sill 30 that is configured to be connected to the lower ends of the door jamb portions 22. The door sill 30 has a generally composite construction, and comprises a sill tread 32, a sill crown 34, and a sill support 36, all of which are separately-formed parts that are configured to be connected to each other during assembly of the door sill 30. The door sill 26 is configured to be supported by an underlying support surface (not shown), such as for example a concrete slab.
[00026] The sill tread 32 is formed by extrusion and has a generally longitudinal shape, and in this embodiment the sill tread 32 is formed of extruded aluminum alloy. The sill tread 32 has an inclined stepping surface 42, which in the embodiment shown has a plurality of longitudinal ridges 44 extending the length thereof for providing grip. Extending from an underside of the stepping surface 42 is a curved, longitudinal flange 46 configured to be supported by an upper surface of the sill support 36. The sill tread 32 also comprises a longitudinal bead 48 which, together with the longitudinal flange 46, define a longitudinal channel 49 for connection to the sill crown 34. The sill tread 32 also comprises a downwardly-extending longitudinal rib 50 having a pair of inwardly extending longitudinal flanges, namely an upper longitudinal flange 52 and a lower longitudinal flange 54, for connection to the sill support 36, and for being supported by the underlying support surface. The sill tread 32 further comprises an upper front longitudinal bead 56 defining a longitudinal exterior channel 57 and a lower front longitudinal flange 58 defining a longitudinal exterior channel 59.
[00027] The sill crown 34 is formed by extrusion and has a generally longitudinal shape. The sill crown 34 is configured to be connected to the sill tread 32, such that the sill tread 32 and the sill crown 34 together define an outer surface of the door sill 30. In this embodiment, the sill crown 34 is formed of extruded polyvinyl carbonate (PVC) having an ultraviolet (UV) light stabilizing additive combined therewith for increasing resistance of the sill crown 34 to degradation by UV light. The sill crown 34 has an upper longitudinal ridge 60 that extends the length thereof. The longitudinal ridge 60 comprises an upwardly extending longitudinal rib 62, a inclined longitudinal surface 64 that slopes downwardly and exteriorly from the
- 6 -upper edge of the longitudinal rib 62, and a generally vertical face 66 that extends downwardly from the inclined longitudinal surface 64. For clarity, the interior and exterior are indicated in Figure 2. The vertical face 66 has a plurality of lower drain apertures 67 defined therein. In this embodiment, the lower drain apertures 67 are arranged as a single row, as may be seen in Figure 3. At the base of the vertical face 66 is a longitudinal connector flange 68 configured to engage the longitudinal channel 49, for connecting the sill tread 32 to the sill crown 34.
1000281 The sill crown 34 also comprises a longitudinal trough 71 positioned interiorly adjacent of the longitudinal ridge 60. The longitudinal trough 71 has a longitudinal trough floor 74 that has a plurality of upper drain apertures 75 defined therein. In this embodiment, the trough floor 74 is inclined. Also in this embodiment, the upper drain apertures 75 are arranged as a single row, as may be seen in Figure 5.
1000291 The sill crown 34 further comprises an internal, inclined longitudinal surface 76 beneath the longitudinal ridge 60 and the longitudinal trough 71, and extending the length of the sill crown 34. The inclined longitudinal surface provides an internal drainage channel between the upper drain apertures 75 and the lower drain apertures 67. Interior of the inclined longitudinal surface 76, the sill crown 34 comprises a longitudinal support surface 78 configured to be supported by the upper surface of the sill support 36. The sill crown 34 also comprises a downwardly-extending longitudinal rib 82 having an inwardly extending longitudinal flange 84 for connection to the sill support 36, and to be supported by the underlying support surface.
1000301 The sill support 36 has a generally longitudinal shape and is formed by machining a slab of material, and in this embodiment the sill support 36 is formed of machined wood. The sill support 36 comprises a planar upper surface for supporting the longitudinal flange 46 of the sill tread 32 and the longitudinal support surface 78 of the sill crown 34. An underside of the sill support 36 comprises a first longitudinal groove 85 configured to receive the longitudinal flange 54 of the sill tread 32, and a second longitudinal groove 87 configured to receive the longitudinal flange 84 of the sill crown 34. The underside of the sill support 36 is configured to be supported by the underlying support surface =
1000281 The sill crown 34 also comprises a longitudinal trough 71 positioned interiorly adjacent of the longitudinal ridge 60. The longitudinal trough 71 has a longitudinal trough floor 74 that has a plurality of upper drain apertures 75 defined therein. In this embodiment, the trough floor 74 is inclined. Also in this embodiment, the upper drain apertures 75 are arranged as a single row, as may be seen in Figure 5.
1000291 The sill crown 34 further comprises an internal, inclined longitudinal surface 76 beneath the longitudinal ridge 60 and the longitudinal trough 71, and extending the length of the sill crown 34. The inclined longitudinal surface provides an internal drainage channel between the upper drain apertures 75 and the lower drain apertures 67. Interior of the inclined longitudinal surface 76, the sill crown 34 comprises a longitudinal support surface 78 configured to be supported by the upper surface of the sill support 36. The sill crown 34 also comprises a downwardly-extending longitudinal rib 82 having an inwardly extending longitudinal flange 84 for connection to the sill support 36, and to be supported by the underlying support surface.
1000301 The sill support 36 has a generally longitudinal shape and is formed by machining a slab of material, and in this embodiment the sill support 36 is formed of machined wood. The sill support 36 comprises a planar upper surface for supporting the longitudinal flange 46 of the sill tread 32 and the longitudinal support surface 78 of the sill crown 34. An underside of the sill support 36 comprises a first longitudinal groove 85 configured to receive the longitudinal flange 54 of the sill tread 32, and a second longitudinal groove 87 configured to receive the longitudinal flange 84 of the sill crown 34. The underside of the sill support 36 is configured to be supported by the underlying support surface =
- 7 -[00031] The door sill assembly 26 also comprises an "active" door sweep 88 that is configured to be fastened to the underside of the door 28, and that is configured to cooperate with the door sill 30. The door sweep 88 is formed by extrusion and has a generally longitudinal shape. In this embodiment, the door sweep 88 is formed of extruded PVC having a UV light stabilizing additive combined therewith for increasing resistance of the door sweep 88 to degradation by UV light. Door sweep 88 comprises a rigid base 89 having two (2) upwardly extending barbed members 90.
Each barbed member 90 is configured to engage a respective groove defined in the underside of the door 28, for fastening the door sweep 88 to the door 28. The door sweep 88 also has a longitudinal member 91 depending therefrom that extends the length of the door sweep 88, and which comprises a first longitudinal seal 92 in the form of a longitudinal tube and a longitudinal deflector 94. The first longitudinal seal 92 is configured to engage the longitudinal ridge 60 of the sill crown 34 for forming a fluid barrier, and the longitudinal deflector 94 is sized and positioned to engage the inclined longitudinal surface 64 exteriorly adjacent the first longitudinal seal 92 for shielding the longitudinal seal 92 from fluid, during use. The door sweep 88 also comprises a plurality of flexible, downwardly depending longitudinal flaps 96 that are configured to contact the trough floor 74 of the sill crown 34, during use.
The door sweep 88 further comprises a second longitudinal seal 98 in the form of a longitudinal tube that is configured to engage an upper surface of the sill crown 34 interior of the longitudinal trough 71, during use, and an interior longitudinal flap 99 that is configured to abut an interior-facing surface of the sill crown 34, during use.
1000321 The longitudinal member 91, first longitudinal seal 92, the longitudinal deflector 94, the longitudinal flaps 96, the second longitudinal seal 98, and the interior longitudinal flap 99 are all fabricated of low-hardness PVC and are formed by coextrusion during extrusion of the door sweep 88. As will be understood, the low-hardness PVC allows each of the longitudinal member 91, the first longitudinal seal 92, the longitudinal deflector 94, the longitudinal flaps 96, the second longitudinal seal 98, and the interior longitudinal flap 99 to be flexible, which enables these features to better provide a barrier to fluid, such as water (e.g. rain, melted snow, etc.) and/or air (e.g. wind). In this embodiment, the durometer of the low-hardness PVC
has a value of fifty-five (55).
Each barbed member 90 is configured to engage a respective groove defined in the underside of the door 28, for fastening the door sweep 88 to the door 28. The door sweep 88 also has a longitudinal member 91 depending therefrom that extends the length of the door sweep 88, and which comprises a first longitudinal seal 92 in the form of a longitudinal tube and a longitudinal deflector 94. The first longitudinal seal 92 is configured to engage the longitudinal ridge 60 of the sill crown 34 for forming a fluid barrier, and the longitudinal deflector 94 is sized and positioned to engage the inclined longitudinal surface 64 exteriorly adjacent the first longitudinal seal 92 for shielding the longitudinal seal 92 from fluid, during use. The door sweep 88 also comprises a plurality of flexible, downwardly depending longitudinal flaps 96 that are configured to contact the trough floor 74 of the sill crown 34, during use.
The door sweep 88 further comprises a second longitudinal seal 98 in the form of a longitudinal tube that is configured to engage an upper surface of the sill crown 34 interior of the longitudinal trough 71, during use, and an interior longitudinal flap 99 that is configured to abut an interior-facing surface of the sill crown 34, during use.
1000321 The longitudinal member 91, first longitudinal seal 92, the longitudinal deflector 94, the longitudinal flaps 96, the second longitudinal seal 98, and the interior longitudinal flap 99 are all fabricated of low-hardness PVC and are formed by coextrusion during extrusion of the door sweep 88. As will be understood, the low-hardness PVC allows each of the longitudinal member 91, the first longitudinal seal 92, the longitudinal deflector 94, the longitudinal flaps 96, the second longitudinal seal 98, and the interior longitudinal flap 99 to be flexible, which enables these features to better provide a barrier to fluid, such as water (e.g. rain, melted snow, etc.) and/or air (e.g. wind). In this embodiment, the durometer of the low-hardness PVC
has a value of fifty-five (55).
-8-1000331 During assembly of the door frame 20, an assembled door sill 30 is connected to the door jamb portions 22 by placing a gasket 100 into a respective cutout formed at the bottom end of each door jamb portion 22, one of which may be seen in Figure 7, and by inserting each end of the assembled door sill 30 into the cutout and against the gasket 100. Each gasket 100 is fabricated of a resilient material, and is configured to provide a fluid barrier between the assembled door sill 30 and the door jamb portion 22. The assembled door sill 30 is fastened to each door jamb portion 22 by inserting fasteners (not shown) through the door jamb 22 and the gasket 100 and into the sill support 36, and in this embodiment the fasteners are screws. The door sweep 88 may then be fitted onto the bottom of the door 28 to complete the installation of the door sill assembly 26 in the door frame 20.
[00034] In use, the door sill assembly 26 prevents or generally limits fluid, such as water and/or air, from passing therethrough into the interior of the building when the door 28 is in the closed position. Specifically, when the door 28 is swung into the closed position, the first longitudinal seal 92 engages the longitudinal ridge 60 of the sill crown 34, and in response, the longitudinal member 91 "actively" flexes in a direction towards the interior, causing the longitudinal deflector 94 to move downwardly into a generally vertical orientation and engage the inclined longitudinal surface 64, and causing the first longitudinal seal 92 to flexibly conform to the longitudinal ridge 60. Additionally, when the door 28 is in the closed position, the longitudinal flaps 96 engage the trough floor 74, the second longitudinal seal flexibly conforms to an upper surface of the sill crown 34, and the interior longitudinal flap 99 abuts an interior-facing surface of the sill crown 34, as shown in Figure 2.
1000351 As will be understood, when the door 28 is in the closed position, the longitudinal deflector 94 and the longitudinal ridge 60 cooperate to provide an exterior fluid barrier. Water flowing down the exterior side of the door 28 either drips directly onto the inclined longitudinal surface 64, or is directed by the longitudinal deflector 94 onto the inclined longitudinal surface 64, after which it flows down the inclined longitudinal surface 64 and onto the inclined stepping surface 42 of the sill tread 32. The first longitudinal seal 92 and the longitudinal ridge 60 provide another fluid barrier interior of the longitudinal deflector 94. Any fluid that does pass
[00034] In use, the door sill assembly 26 prevents or generally limits fluid, such as water and/or air, from passing therethrough into the interior of the building when the door 28 is in the closed position. Specifically, when the door 28 is swung into the closed position, the first longitudinal seal 92 engages the longitudinal ridge 60 of the sill crown 34, and in response, the longitudinal member 91 "actively" flexes in a direction towards the interior, causing the longitudinal deflector 94 to move downwardly into a generally vertical orientation and engage the inclined longitudinal surface 64, and causing the first longitudinal seal 92 to flexibly conform to the longitudinal ridge 60. Additionally, when the door 28 is in the closed position, the longitudinal flaps 96 engage the trough floor 74, the second longitudinal seal flexibly conforms to an upper surface of the sill crown 34, and the interior longitudinal flap 99 abuts an interior-facing surface of the sill crown 34, as shown in Figure 2.
1000351 As will be understood, when the door 28 is in the closed position, the longitudinal deflector 94 and the longitudinal ridge 60 cooperate to provide an exterior fluid barrier. Water flowing down the exterior side of the door 28 either drips directly onto the inclined longitudinal surface 64, or is directed by the longitudinal deflector 94 onto the inclined longitudinal surface 64, after which it flows down the inclined longitudinal surface 64 and onto the inclined stepping surface 42 of the sill tread 32. The first longitudinal seal 92 and the longitudinal ridge 60 provide another fluid barrier interior of the longitudinal deflector 94. Any fluid that does pass
- 9 -between the first longitudinal seal 92 and the longitudinal ridge 60 is directed downward into the trough 71 by the longitudinal flaps 96. Any water that accumulates in the trough 71 enters the upper drain apertures 75, and flows down the inclined longitudinal surface 76 and out of the lower drain apertures 67, after which it flows down the inclined stepping surface 42 of the sill tread 32. The second longitudinal seal 98 conforming to the upper surface of the sill crown 34 provides still another fluid barrier interior of the trough 71, and the interior longitudinal flap 99 abutting the interior-facing surface of the sill crown 34 provides still yet another fluid barrier interior of the second longitudinal seal 98. As a result, the door sill assembly 26 prevents or generally limits fluid, such as water and/or air, from passing therethrough into the interior of the building when the door 28 is in the closed position.
[00036] As will be appreciated, the sill tread 32, the sill crown 34, and the sill support 36 and the door sweep 88 may all advantageously be manufactured using known manufacturing techniques.
[00037] Other configurations of the door sill are possible. For example, the sill tread 32 may be extended by connecting one or more sill tread extensions thereto. For example, Figure 8 shows the door sill 30 of Figure 1, with a first sill tread extension 102 connected to the sill tread 32, and a second sill tread extension 104 connected to the first sill tread extension 102. The first sill tread extension 102 has an inclined stepping surface and comprises a longitudinal connector flange 106 configured to engage the longitudinal exterior channel 57 of the sill tread 32, and a longitudinal clip member 108 configured to engage the lower front longitudinal flange 58 and the longitudinal exterior channel 59 of the sill tread 32. The first sill tread extension 102 also comprises an upper front longitudinal bead 110 defining a longitudinal exterior channel 111 and a lower front longitudinal flange 112 defining a longitudinal exterior channel 113. The second sill tread extension 104 has an inclined stepping surface and comprises a longitudinal connector flange 114 configured to engage the longitudinal exterior channel 111 of the first sill tread extension 102, and a longitudinal clip member 116 configured to engage the lower front longitudinal flange 112 and the longitudinal exterior channel 113 of the first sill tread extension 102.
[00036] As will be appreciated, the sill tread 32, the sill crown 34, and the sill support 36 and the door sweep 88 may all advantageously be manufactured using known manufacturing techniques.
[00037] Other configurations of the door sill are possible. For example, the sill tread 32 may be extended by connecting one or more sill tread extensions thereto. For example, Figure 8 shows the door sill 30 of Figure 1, with a first sill tread extension 102 connected to the sill tread 32, and a second sill tread extension 104 connected to the first sill tread extension 102. The first sill tread extension 102 has an inclined stepping surface and comprises a longitudinal connector flange 106 configured to engage the longitudinal exterior channel 57 of the sill tread 32, and a longitudinal clip member 108 configured to engage the lower front longitudinal flange 58 and the longitudinal exterior channel 59 of the sill tread 32. The first sill tread extension 102 also comprises an upper front longitudinal bead 110 defining a longitudinal exterior channel 111 and a lower front longitudinal flange 112 defining a longitudinal exterior channel 113. The second sill tread extension 104 has an inclined stepping surface and comprises a longitudinal connector flange 114 configured to engage the longitudinal exterior channel 111 of the first sill tread extension 102, and a longitudinal clip member 116 configured to engage the lower front longitudinal flange 112 and the longitudinal exterior channel 113 of the first sill tread extension 102.
- 10 -[00038] Other sill tread extensions may be used. For example, Figure 9A
shows another embodiment of a first sill tread extension, which is generally indicated by reference numeral 202. First sill tread extension 202 is generally similar to first sill tread extension 102 described above, but has a lesser width. The first sill tread extension 202 has an inclined stepping surface and comprises a longitudinal connector flange 206 configured to engage the longitudinal exterior channel 57 of the sill tread 32, and a longitudinal clip member 208 configured to engage the lower front longitudinal flange 58 and the longitudinal exterior channel 59 of the sill tread 32.
The first sill tread extension 202 also comprises an upper front longitudinal bead 210 defining a longitudinal exterior channel 211 and a lower front longitudinal flange 212 defining a longitudinal exterior channel 213, both of which are configured to connect to a second sill tread extension.
[00039] Figure 9B shows another embodiment of a first sill tread extension, which is generally indicated by reference numeral 302. First sill tread extension 302 is generally similar to first sill tread extension 102 described above, but has a lesser width and is not configured to connect to a second sill tread extension. The first sill tread extension 302 has an inclined stepping surface and comprises a longitudinal connector flange 306 configured to engage the longitudinal exterior channel 57 of the sill tread 32, and a longitudinal clip member 308 configured to engage the lower front longitudinal flange 58 and the longitudinal exterior channel 59 of the sill tread 32.
1000401 Figure 10 shows another embodiment of a second sill tread extension, which is generally indicated by reference numeral 404. Second sill tread extension 404 is generally similar to second sill tread extension 104 described above, but has a greater width. Second sill tread extension 404 has an inclined stepping surface and comprises a longitudinal connector flange 414 configured to engage a longitudinal exterior channel of a first sill tread extension, such as the longitudinal exterior channel 111 of the first sill tread extension 102. The second sill tread extension 404 also comprises a longitudinal clip member 416 configured to engage a lower front longitudinal flange and a longitudinal exterior channel of a first sill tread extension, such as the lower front longitudinal flange 112 and the longitudinal exterior channel 113 of the first sill tread extension 102.
shows another embodiment of a first sill tread extension, which is generally indicated by reference numeral 202. First sill tread extension 202 is generally similar to first sill tread extension 102 described above, but has a lesser width. The first sill tread extension 202 has an inclined stepping surface and comprises a longitudinal connector flange 206 configured to engage the longitudinal exterior channel 57 of the sill tread 32, and a longitudinal clip member 208 configured to engage the lower front longitudinal flange 58 and the longitudinal exterior channel 59 of the sill tread 32.
The first sill tread extension 202 also comprises an upper front longitudinal bead 210 defining a longitudinal exterior channel 211 and a lower front longitudinal flange 212 defining a longitudinal exterior channel 213, both of which are configured to connect to a second sill tread extension.
[00039] Figure 9B shows another embodiment of a first sill tread extension, which is generally indicated by reference numeral 302. First sill tread extension 302 is generally similar to first sill tread extension 102 described above, but has a lesser width and is not configured to connect to a second sill tread extension. The first sill tread extension 302 has an inclined stepping surface and comprises a longitudinal connector flange 306 configured to engage the longitudinal exterior channel 57 of the sill tread 32, and a longitudinal clip member 308 configured to engage the lower front longitudinal flange 58 and the longitudinal exterior channel 59 of the sill tread 32.
1000401 Figure 10 shows another embodiment of a second sill tread extension, which is generally indicated by reference numeral 404. Second sill tread extension 404 is generally similar to second sill tread extension 104 described above, but has a greater width. Second sill tread extension 404 has an inclined stepping surface and comprises a longitudinal connector flange 414 configured to engage a longitudinal exterior channel of a first sill tread extension, such as the longitudinal exterior channel 111 of the first sill tread extension 102. The second sill tread extension 404 also comprises a longitudinal clip member 416 configured to engage a lower front longitudinal flange and a longitudinal exterior channel of a first sill tread extension, such as the lower front longitudinal flange 112 and the longitudinal exterior channel 113 of the first sill tread extension 102.
- 11 -[00041] Still other configurations of the door sill are possible. For example, although in the embodiment described above, the durometer of the low-hardness PVC
has a value of fifty-five (55), in other embodiments, the durometer of the low-hardness PVC may alternatively have another suitable value.
[00042] Although in the embodiment described above, the longitudinal member, the first longitudinal seal, the longitudinal deflector, the longitudinal flaps, the second longitudinal seal, and the interior longitudinal flap are formed by coextrusion during extrusion of the door sweep, in other embodiments, one or more of the longitudinal member, the first longitudinal seal, the longitudinal deflector, the longitudinal flaps, the second longitudinal seal, and the interior longitudinal flap may alternatively be formed separately from the door sweep and fastened to the door sweep by a suitable method. For example, in one embodiment, the interior longitudinal flap may alternatively be formed separately and fastened to the door sweep using one or more fasteners, such as for example, glue, staples, rivets, and the like, or by insertion into one or more apertures, such as a groove, a slot, and the like.
[00043] Although in the embodiment described above, the sill tread is formed of extruded aluminum alloy, in other embodiments, the sill tread may alternatively by formed by extrusion of another suitable material, such as for example PVC or another extrudable polymer, extruded aluminum, or pulltruded fiberglass composite.
100044] Although in the embodiment described above, the sill crown and the door sweep are foimed of extruded PVC, in other embodiments, one or both of the sill crown and the door sweep may alternatively be formed of another suitable extrudable polymer. In still other embodiments, one or both of the sill crown and the door sweep may alternatively be fabricated of extruded aluminum, extruded aluminum alloy, or pulltruded fiberglass composite.
1000451 Although in the embodiment described above, the sill support is formed of machined wood, in other embodiments, the sill support may alternatively be formed by machining a slab of another suitable material, such as for example, plywood, medium-density fibreboard (MDF), particle board, PVC, foamed PVC, or a PVC composite material comprising one or more of wood, flour and rice. In other embodiments, the sill support may alternatively be formed by another method, such as for example by molding a suitable material (e.g. by injection molding of a polymer),
has a value of fifty-five (55), in other embodiments, the durometer of the low-hardness PVC may alternatively have another suitable value.
[00042] Although in the embodiment described above, the longitudinal member, the first longitudinal seal, the longitudinal deflector, the longitudinal flaps, the second longitudinal seal, and the interior longitudinal flap are formed by coextrusion during extrusion of the door sweep, in other embodiments, one or more of the longitudinal member, the first longitudinal seal, the longitudinal deflector, the longitudinal flaps, the second longitudinal seal, and the interior longitudinal flap may alternatively be formed separately from the door sweep and fastened to the door sweep by a suitable method. For example, in one embodiment, the interior longitudinal flap may alternatively be formed separately and fastened to the door sweep using one or more fasteners, such as for example, glue, staples, rivets, and the like, or by insertion into one or more apertures, such as a groove, a slot, and the like.
[00043] Although in the embodiment described above, the sill tread is formed of extruded aluminum alloy, in other embodiments, the sill tread may alternatively by formed by extrusion of another suitable material, such as for example PVC or another extrudable polymer, extruded aluminum, or pulltruded fiberglass composite.
100044] Although in the embodiment described above, the sill crown and the door sweep are foimed of extruded PVC, in other embodiments, one or both of the sill crown and the door sweep may alternatively be formed of another suitable extrudable polymer. In still other embodiments, one or both of the sill crown and the door sweep may alternatively be fabricated of extruded aluminum, extruded aluminum alloy, or pulltruded fiberglass composite.
1000451 Although in the embodiment described above, the sill support is formed of machined wood, in other embodiments, the sill support may alternatively be formed by machining a slab of another suitable material, such as for example, plywood, medium-density fibreboard (MDF), particle board, PVC, foamed PVC, or a PVC composite material comprising one or more of wood, flour and rice. In other embodiments, the sill support may alternatively be formed by another method, such as for example by molding a suitable material (e.g. by injection molding of a polymer),
- 12 -or by extrusion of a suitable material (e.g. by extrusion of an extrudable polymer, extruded aluminum, extruded aluminum alloy, or pulltruded fiberglass composite). In one example, a sill support formed by extrusion may have any of a hollow configuration, a solid configuration, a generally "webbed" configuration, and a combination thereof.
[00046] It will be understood that the cross-sectional profiles of the sill tread and the sill crown are not limited to that of the embodiment described above, and in other embodiments, one or both of the sill tread and the sill crown may alternatively have a different cross-sectional profile. For example, the sill tread may alternatively have a different rib configuration than that shown.
[00047] Although in the embodiment described above, the sill crown, the sill tread, and the sill support each comprise features that extend the respective length thereof, in other embodiments, one or more of these features may alternatively not extend the respective length thereof [00048] Although in the embodiment described above, the sill crown comprises a plurality of lower drain apertures, in other embodiments, the sill crown may alternatively comprise only one lower drain aperture. Although in the embodiment described above, the sill crown comprises a plurality of upper drain apertures, in other embodiments, the sill crown may alternatively comprise only one upper drain aperture.
1000491 The invention also contemplates a kit of parts which, when assembled, forms the door sill of the embodiment described above. The invention also contemplates a kit of parts which, when assembled, forms the door sill assembly of the embodiment described above.
1000501 Although embodiments have been described above with reference to the accompanying drawings, those of skill in the art will appreciate that variations and modifications may be made without departing from the scope thereof as defined by the appended claims.
[00046] It will be understood that the cross-sectional profiles of the sill tread and the sill crown are not limited to that of the embodiment described above, and in other embodiments, one or both of the sill tread and the sill crown may alternatively have a different cross-sectional profile. For example, the sill tread may alternatively have a different rib configuration than that shown.
[00047] Although in the embodiment described above, the sill crown, the sill tread, and the sill support each comprise features that extend the respective length thereof, in other embodiments, one or more of these features may alternatively not extend the respective length thereof [00048] Although in the embodiment described above, the sill crown comprises a plurality of lower drain apertures, in other embodiments, the sill crown may alternatively comprise only one lower drain aperture. Although in the embodiment described above, the sill crown comprises a plurality of upper drain apertures, in other embodiments, the sill crown may alternatively comprise only one upper drain aperture.
1000491 The invention also contemplates a kit of parts which, when assembled, forms the door sill of the embodiment described above. The invention also contemplates a kit of parts which, when assembled, forms the door sill assembly of the embodiment described above.
1000501 Although embodiments have been described above with reference to the accompanying drawings, those of skill in the art will appreciate that variations and modifications may be made without departing from the scope thereof as defined by the appended claims.
Claims (18)
1. A door sill assembly, comprising:
a door sill comprising:
a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge, a sill tread defining a stepping surface, and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
a door sill comprising:
a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge, a sill tread defining a stepping surface, and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
2. The door sill assembly of claim 1, further comprising:
a door sweep configured to be fitted to the bottom of a door.
a door sweep configured to be fitted to the bottom of a door.
3. The door sill assembly of claim 2, wherein the door sweep comprises a longitudinal seal configured to engage the longitudinal ridge for providing a fluid barrier.
4. The door sill assembly of claim 3, wherein the door sweep further comprises a longitudinal deflector configured to engage the longitudinal ridge exterior of the longitudinal seal for providing an additional fluid barrier.
5. The door sill assembly of claim 4, wherein the longitudinal deflector is moveable, and is configured to be rotated downwardly into engagement with the longitudinal ridge when the longitudinal seal is brought into engagement with the longitudinal ridge.
6. The door sill assembly of any one of claims 3 to 5, wherein the door sweep further comprises an additional longitudinal seal configured to engage the sill crown interior of the drain trough for providing an additional fluid barrier.
7. The door sill assembly of any one of claims 3 to 6, wherein the door sweep comprises one or more downwardly depending flaps configured to engage the sill crown for each providing an additional fluid barrier.
8. The door sill assembly of claim 7, wherein at least one of the downwardly depending flaps engages the drain trough interior of the one or more upper apertures.
9. The door sill assembly of any one of claims 3 to 8, wherein the door sweep comprises an interior longitudinal flap configured to abut an interior-facing surface of the sill crown for providing an additional fluid barrier.
10. The door sill assembly of any one of claims 1 to 9, wherein the door sill further comprises a transverse seal at each longitudinal end.
11. The door sill assembly of claim 10, wherein each transverse seal is a gasket fabricated of a resilient material.
12. The door sill assembly of any one of claims 1 to 11, wherein the sill tread is formed of extruded aluminum alloy.
13. The door sill assembly of any one of claims 1 to 12, wherein the sill crown is formed of extruded polymer.
14. The door sill assembly of claim 3, wherein the door sweep is formed by coextrusion of a first polymer and a second polymer, the second polymer having a lower hardness than the first polymer, the longitudinal seal being formed of the second polymer.
15. The door sill assembly of any one of claims 1 to 14, wherein the sill support comprises a machined board.
16. The door sill assembly of claim 15, wherein the sill support is formed of wood, a wood/plastic composite, or a plastic composite.
17. A door sill comprising:
a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge;
a sill tread defining a stepping surface; and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge;
a sill tread defining a stepping surface; and a sill support at least partially supporting the sill crown and the sill tread, each of the sill crown, the sill tread, and the sill support being separately formed.
18. A kit for assembling a door sill, the kit comprising:
a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge;
a sill tread defining a stepping surface; and a sill support configured to at least partially supporting the sill crown and the sill tread when the sill crown, the sill tread and the sill support are connected to each other, each of the sill crown, the sill tread, and the sill support being separately formed.
a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge;
a sill tread defining a stepping surface; and a sill support configured to at least partially supporting the sill crown and the sill tread when the sill crown, the sill tread and the sill support are connected to each other, each of the sill crown, the sill tread, and the sill support being separately formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2868499A CA2868499A1 (en) | 2014-10-22 | 2014-10-22 | Door sill assembly, door sill and kit therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2868499A CA2868499A1 (en) | 2014-10-22 | 2014-10-22 | Door sill assembly, door sill and kit therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2868499A1 true CA2868499A1 (en) | 2016-04-22 |
Family
ID=55756026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2868499A Abandoned CA2868499A1 (en) | 2014-10-22 | 2014-10-22 | Door sill assembly, door sill and kit therefor |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2868499A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190264490A1 (en) * | 2018-02-28 | 2019-08-29 | Tru Tech Corporation | Self-draining threshold for exterior doorways |
| EP4071330A1 (en) * | 2021-04-09 | 2022-10-12 | 4B Ag | Structural joint profile |
-
2014
- 2014-10-22 CA CA2868499A patent/CA2868499A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190264490A1 (en) * | 2018-02-28 | 2019-08-29 | Tru Tech Corporation | Self-draining threshold for exterior doorways |
| EP4071330A1 (en) * | 2021-04-09 | 2022-10-12 | 4B Ag | Structural joint profile |
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