GB2280216A - A window sill support assembly - Google Patents

A window sill support assembly Download PDF

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Publication number
GB2280216A
GB2280216A GB9314588A GB9314588A GB2280216A GB 2280216 A GB2280216 A GB 2280216A GB 9314588 A GB9314588 A GB 9314588A GB 9314588 A GB9314588 A GB 9314588A GB 2280216 A GB2280216 A GB 2280216A
Authority
GB
United Kingdom
Prior art keywords
sill
external
support
window
channel
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.)
Withdrawn
Application number
GB9314588A
Other versions
GB9314588D0 (en
Inventor
Ernest William Fitton
Original Assignee
Ernest William Fitton
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ernest William Fitton filed Critical Ernest William Fitton
Priority to GB9314588A priority Critical patent/GB2280216A/en
Publication of GB9314588D0 publication Critical patent/GB9314588D0/en
Priority claimed from GB9411963A external-priority patent/GB2283040B/en
Publication of GB2280216A publication Critical patent/GB2280216A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/70Sills; Thresholds
    • E06B1/702Window sills

Abstract

A window sill support assembly (for positioning along the bottom edge of a window frame receiving aperture), comprises an external sill (1) member for supporting a bottom edge of a window frame (13), and a channel member (2) which is readily securable to the external sill member (3). The channel member is provided with an elongate channel (10). An internal sill member (17) may be secured to the support assembly by insertion of an edge of the internal sill member (17) into the channel (10). Channel (10) may be integrally formed on external sill (1). <IMAGE>

Description

A WINDOW SILL SUPPORT ASSEMBLY The present invention relates to a window sill support assembly, and to a window sill support member, particularly, but not exclusively, for supporting an internal window sill of a conservatory or like structure.
In the installation of a window frame within an aperture in a wall, for instance a cavity wall, the lower edge of the window frame is supported upon part of an external sill member which is itself cemented along the top of the external wall. Such external sill members may be, for instance, plastics or aluminium extrusions. If it is desired to install an internal sill this must be butted up against the internal edge of the external sill member and fixed in position using adhesive packing. Additional packing will also generally be required between the internal sill and the upper edge of the internal wall upon which it is supported.
However, it is a relatively difficult job, requiring a skilled worker, to ensure that the internal sill is correctly mated to the external sill member at the desired level along its whole length.
Furthermore, it can be difficult to ensure that the internal sill remains in the correct position whilst the adhesive packing is inserted and whilst it is drying. In addition, should it be necessary to replace an existing sill the presence of the packing adds to the difficulty both of removing the existing sill and fitting a new sill.
It is an object of the present invention to obviate or mitigate the above disadvantages.
According to the present invention there is provided a window sill support assembly for positioning along the bottom edge of a window frame receiving aperture, comprising an external sill member for supporting a bottom edge of a window frame, and a channel member which is readily securable to the external sill member, the channel member being provided with an elongate channel whereby an internal sill member may be secured to the support assembly by insertion of an edge of the internal sill member into said channel.
Thus installation of an internal sill is a much simplified process having regard to the prior art mentioned above. If an internal sill is to be fitted, the channel member is first fitted to the external sill member and then an edge of the internal sill is inserted into the channel. No further fixing means is required to correctly locate the internal sill.
The external sill member and the channel member are preferably extrusions.
The channel member may, for example, be secured to the external sill member using adhesive or by screwing or bolting.
Preferably has engaging formations, preferably resilient, for engaging the external sill member. This increases the ease with which the channel member may be secured to the external sill member thereby further simplifying the installation of an internal sill.
For instance, the external sill member may define a protruding lip and the channel member may be provided with a hook portion for engaging said lip.
Alternatively, the channel member may be provided with a substantially horizontal lip extending from an upper portion thereof for engaging an upper portion of the external sill member.
The channel member may be provided with a substantially horizontal lip extending from a lower portion thereof for engaging a lower portion of the external sill member.
The external sill member may be provided with an elongate slot and the channel member may be provided with resilient formations for engaging said slot.
According to a second aspect of the present invention, there is provided a window sill support member for securing an internal window sill to an external sill member, said external sill member in use defining a bottom edge of a window frame, wherein said sill support member is elongate and readily securable to the external sill member, and defines an elongate channel for receiving an edge of an internal sill so as to support said internal sill in a substantially horizonal disposition.
The sill support member may be adapted for use with existing external sill members and thus can be fitted to such an existing external sill member if and when it is desired to fit an internal sill.
Preferably the sill support member is an extrusion.
The sill support member may, for example, be secured to the external sill member using adhesive or by screwing or bolting.
Preferably sill support member is provided with engagement formations for engaging the external sill member.
The sill support member may, for instance, have the form of a channel member as defined above in relation to the first aspect of the present invention.
According to a third aspect of the present invention there is provided a window sill support assembly comprising an external sill member which in use defines a bottom edge of a window frame, wherein said external sill member is an extrusion and defines an elongate channel whereby an internal sill can readily be secured to the external sill member by insertion of an edge of the internal sill into said channel.
With this assembly a separate channel member is not required.
An elongate channel filling member, which may be an extrusion, may be provided for blocking off the channel when the external sill member is not required to support an internal sill. Thus the sill support assembly can be used even in circumstances where an internal sill is not required.
Specific embodiments of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which: Fig. 1 is a perspective view of a window sill support assembly in accordance with the present invention; Fig. 2 is a cross-section of the assembly of Fig. 1 in use; Fig. 3 is a cross section of second window sill support assembly in accordance with the present invention; and Fig. 4 is a cross section of a further window sill support assembly in accordance with the present invention.
Referring to Fig. 1, the illustrated sill support assembly comprises two components: an external sill member 1 and an internal sill support member 2.
The external sill 1 is an extrusion of standard cross-section and comprises an upper wall which defines a sill portion 3 and a window frame support ledge 4, an internal vertical end wall 5 and a lower wall 6. The end wall 5 extends a short distance beyond the support ledge 4 so as to define a vertically upstanding lip 7 which extends along the length of the sill 1.
The internal sill support member 2, which is also an extrusion, comprises a vertical wall 8 which has two spaced apart and parallel walls 9 extending perpendicularly from one surface defining a channel 10 therebetween. A lower perpendicular lip 11 and an upper hook portion 12 extend from the other surface of the vertical wall 8 at its bottom and top edges respectively and extend along it's whole length.
The inner sill support member 2 is adapted to engage the outer sill in the following manner: the hook portion 12 is hooked over the lip 7 of the outer sill and the lip 11 of the support member is located under, and in contact with, the lower wall 6 of the outer sill, so that the wall 8 of the support member abuts against the wall 5 of the outer sill.
Fig. 2 illustrates the assembly of Fig. 1 in use in conjunction with a window frame 13 (shown in dotted lines) which is fitted in an aperture in a cavity wall having internal and external walls 14 and 15 respectively. The outer sill 1 and inner sill support member 2 are first cut to the required length and then fitted together in the manner described above. No further fixing is necessary to secure the inner sill support member 2 to the outer sill 1. The outer sill 1 is then fitted along the top of the external wall 15 upon a layer of cement 16 which secures it in place. The window frame 13 is then fitted in position with it's bottom edge resting on the support ledge 4 of the outer sill 1.
An inner sill 17 is then cut to the desired length and is slotted within the channel 11 of the support member 2. No adhesive packing or other such securing means is required to fix the inner sill 17 to the support member 2 and thus to the outer sill 1. To complete the installation, the space between the under surface of the inner sill 17 and the upper surface of the internal wall 14 is filled with plaster 18 when the outer surface of the wall 14 is itself plastered.
It will thus be appreciated from the above description that the installation of an inner widow sill is greatly simplified, with respect to prior art installation methods, through use of the sill support assembly of the present invention. The inner sill 17 is readily fixed in the desired position by virtue of the support member, and remains in the desired position throughout the remainder of the installation procedure.
In the case of the above described embodiment of the invention the hook portion 12 of the inner sill support member 2 is specifically adapted for use with the known form of outer sill 1 illustrated. It will, however, be appreciated that the inner sill support member 2 could be formed with whatever engagement formations are necessary to complement any given form of outer sill. For instance, referring to Fig. 3, this shows a modified outer sill 19 and inner sill support member 20. The outer sill 19 has a slot formed in it's internal end wall, and which runs along it's length, to receive resilient clip means 22 provided along the length of the support member 20.
As an alternative specially adapted engagement formations could be dispensed with altogether and the support member could simply be glued or screwed to the external sill member. For instance, the support member could be provided with an adhesive strip for fixing to an end face of the external support member.
I will be appreciated that the same form of external sill member can be used regardless of whether or not an internal sill is to be fitted. If an internal sill is not required then a support member will simply not be fitted to the external sill member.
A further alternative embodiment of the present invention is shown in Fig. 4. With this embodiment a modified external sill member 23 is itself formed with a channel 24 to receive an inner sill and thus an inner sill support member is not required. The external sill member 23 may still be used even if an internal sill is not required.
In this case, for aesthetic reasons, the channel 24 could be filled with any suitable elongate member (not shown) for instance a simple extrusion or a length of wooden beading.

Claims (24)

1. A window sill support assembly for positioning along the bottom edge of a window frame receiving aperture, comprising an external sill member for supporting a bottom edge of a window frame, and a channel member which is readily securable to the external sill member, the channel member being provided with an elongate channel whereby an internal sill member may be secured to the support assembly by insertion of an edge of the internal sill member into said channel.
2. A window sill support member according to claim 1, wherein the external sill member is an extrusion.
3. A window sill support assembly according to claim 1 or claim 2, wherein the channel member is an extrusion.
4. A window sill support assembly according to any preceding claim, wherein the channel member is securable to the external sill using adhesive.
5. A window sill support member according to any preceding claim, wherein the channel member may be screwed or bolted to the external sill member.
6. A window sill support assembly according to any preceding claim, wherein the channel member has resilient formations for engaging the external sill member.
7. A window sill support assembly according to any preceding claim, wherein the external sill member defines a protruding lip and the channel member is provided with a hook portion for engaging said lip.
8. A window sill support assembly according to any preceding claim, wherein the channel member is provided with a substantially horizontal lip extending from an upper portion thereof for engaging an upper portion of the external sill member.
9. A window sill support assembly according to any preceding claim wherein the channel member is provided with a substantially horizontal lip extending from a lower portion thereof for engaging a lower portion of the external sill member.
10. A window sill support assembly according to any preceding claim, wherein the external sill member is provided with an elongate slot and the channel member is provided with resilient formations for engaging said slot.
11. A window sill support member for securing an internal window sill to an external sill member, said external sill member in use defining a bottom edge of a window frame, wherein said sill support member is elongate and readily securable to the external sill member, and defines an elongate channel for receiving an edge of an internal sill so as to support said internal sill in a substantially horizonal disposition.
12. A window sill support member according to claim 10, wherein the sill support member is an extrusion.
13. A window sill support member according to claim 11 or claim 12, wherein the sill support member is securable to the external sill member using adhesive.
14. A window sill support member according to any one of claims 11 to 13, wherein the sill support member may be screwed or bolted to the external sill member.
15. A window sill support member according to any one of claims 11 to 14, wherein the sill support member is provided with engagement formations for engaging the external sill member.
16. A window sill support member according to claim 15, wherein said engagement formations are resilient.
17. A window sill support member according to claim 15 or claim 16, wherein said engagement formations comprise an elongate hook formation.
18. A window sill support member according to claim 15 or claim 16, wherein said engagement formations comprise a substantially horizontal lip extending from an upper portion of the sill support member for engaging an upper portion of the external sill member.
19. A window sill support member according to any one of claims 15 to 18, wherein said engagement formations comprise a substantially horizontal lip extending from a lower portion thereof for engaging a lower portion of the external sill member.
20. A window sill support assembly comprising an external sill member which in use defines a bottom edge of a window frame, wherein said external sill member is an extrusion and defines an elongate channel whereby an internal sill can readily be secured to the external sill member by insertion of an edge of the internal sill into said channel.
21. A window sill support assembly according to claim 20, wherein an elongate channel filling member is provided for blocking off the channel when the external sill member is not required to support an internal sill.
22. A window sill support assembly according to claim 21, wherein said channel filling member is an extrusion.
23. A window sill support assembly, substantially as hereinbefore described, with reference to Figs. 1 and 2, Fig. 3 and Fig 4 of the accompanying drawings.
24. A window sill support member, substantially as hereinbefore described, with reference to Figs. 1 and 2, Fig. 3 and Fig. 4 of the accompanying drawings.
GB9314588A 1993-07-14 1993-07-14 A window sill support assembly Withdrawn GB2280216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9314588A GB2280216A (en) 1993-07-14 1993-07-14 A window sill support assembly

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9314588A GB2280216A (en) 1993-07-14 1993-07-14 A window sill support assembly
GB9411963A GB2283040B (en) 1993-06-17 1994-06-15 A window sill support assembly
EP19940304377 EP0629765A1 (en) 1993-06-17 1994-06-16 A window sill support assembly

Publications (2)

Publication Number Publication Date
GB9314588D0 GB9314588D0 (en) 1993-08-25
GB2280216A true GB2280216A (en) 1995-01-25

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Family Applications (1)

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GB9314588A Withdrawn GB2280216A (en) 1993-07-14 1993-07-14 A window sill support assembly

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GB (1) GB2280216A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287273A (en) * 1994-03-10 1995-09-13 Ultraframe Plc Beading strip for window sills
GB2298223A (en) * 1995-02-24 1996-08-28 Ultraframe Plc Tiled window sill shelving system
GB2368085A (en) * 2000-08-03 2002-04-24 Epwin Group Plc Frame assembly
GB2390389A (en) * 2002-06-20 2004-01-07 Ernest William Fitton Window sill extrusion
US20120214397A1 (en) * 2011-02-17 2012-08-23 Peter Strycharske Method and apparatus for convective sill insulation
GB2503975A (en) * 2012-05-18 2014-01-15 Manthorpe Building Products Ltd Insulated window sill

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039975A (en) * 1979-01-20 1980-08-20 Gwynne P Improvements in or relating to the finishing of window assemblies

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039975A (en) * 1979-01-20 1980-08-20 Gwynne P Improvements in or relating to the finishing of window assemblies

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Celuform advertising brochure, July 1985, Celuform Limited, Aylesford, Maidstone, Kent, ME20 7PJ *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287273A (en) * 1994-03-10 1995-09-13 Ultraframe Plc Beading strip for window sills
GB2287273B (en) * 1994-03-10 1997-05-21 Ultraframe Plc Improvements in and relating to window sills
GB2298223A (en) * 1995-02-24 1996-08-28 Ultraframe Plc Tiled window sill shelving system
GB2298223B (en) * 1995-02-24 1998-05-27 Ultraframe Plc Windows
GB2368085A (en) * 2000-08-03 2002-04-24 Epwin Group Plc Frame assembly
GB2368085B (en) * 2000-08-03 2002-10-16 Epwin Group Plc Frame assembly
GB2390389A (en) * 2002-06-20 2004-01-07 Ernest William Fitton Window sill extrusion
US20120214397A1 (en) * 2011-02-17 2012-08-23 Peter Strycharske Method and apparatus for convective sill insulation
US10767414B2 (en) * 2011-02-17 2020-09-08 Oldcastle Buildingenvelope, Inc. Method and apparatus for convective sill insulation
GB2503975A (en) * 2012-05-18 2014-01-15 Manthorpe Building Products Ltd Insulated window sill

Also Published As

Publication number Publication date
GB9314588D0 (en) 1993-08-25

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