IE86714B1 - A window assembly - Google Patents

A window assembly Download PDF

Info

Publication number
IE86714B1
IE86714B1 IE20100691A IE20100691A IE86714B1 IE 86714 B1 IE86714 B1 IE 86714B1 IE 20100691 A IE20100691 A IE 20100691A IE 20100691 A IE20100691 A IE 20100691A IE 86714 B1 IE86714 B1 IE 86714B1
Authority
IE
Ireland
Prior art keywords
sash
side jamb
pulley
draught excluder
closure member
Prior art date
Application number
IE20100691A
Other versions
IE20100691A1 (en
Inventor
Grimes Patrick
Original Assignee
Grimes Patrick
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 Grimes Patrick filed Critical Grimes Patrick
Priority to IE20100691A priority Critical patent/IE86714B1/en
Publication of IE20100691A1 publication Critical patent/IE20100691A1/en
Publication of IE86714B1 publication Critical patent/IE86714B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/14—Counterbalance devices with weights
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/148—Windows
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/44—Vertically-sliding wings
    • E06B3/4415—Double-hung, i.e. with two vertical sliding panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)

Abstract

The present invention provides a draught excluder for a sash window, the draught excluder comprising a cover member for securing over a sash cord pulley set into an opening in a side jamb of the window, the cover member having an opening which is closed by a removable closure member, and the removable closure member having an aperture for the passage of the sash cord from the pulley to a counterweight. <Figure 7>

Description

A Draught Excluder for a Sash Window Field of the invention This invention relates to a draught excluder for a sash window .
Background of the invention Figure 1 shows a typical sash window. Such windows are well known and therefore only those parts relevant to the present invention will be described.
The sash window has a pair of substantially vertical parallel side jambs 10 with upper and lower sashes 12, 14 mounted for substantially vertical sliding movement between the inside surfaces of the jambs. Two pulleys 16, 18 are set side-by-side into respective openings 20, 22 at the upper end of each side jamb 10 (only the pulley 16 is seen on the left). The pulleys 16 are in vertical alignment respectively with opposite top corners of the lower sash 14 and the pulleys 18 are in vertical alignment respectively with opposite top corners of the upper sash 12. A respective sash cord 24 passes from each top corner of the lower sash 14 via a respective pulley 16 to a respective counterweight 28 on the outside of the side jamb 10, and a respective sash cord 26 passes from each top corner of the upper sash 12 via a respective pulley 18 to a respective counterweight 28, 30 on the outside of the side jamb 10.
A draught excluder is known for fitting over a pulley 16 or 18 and its respective opening 20 or 22, four such excluders normally being used for a window of the type shown in Figure 1, one for each pulley. However, the known excluders do not efficiently reduce draughts through the openings 20, 22. Also, they are fitted on the inside surface of the side jambs 10 where they tend to limit the movement of the sashes.
Summary of the invention According to the present invention there is provided a draught excluder for a sash window, the draught excluder comprising a cover member for securing over a sash cord pulley set into an opening in a side jamb of the window, the cover member having an opening which is closed by a removable closure member, and the removable closure member having an aperture for the passage of the sash cord from the pulley to a counterweight.
Preferably the closure member is formed in at least two parts which can be assembled around the sash cord.
In an embodiment the closure member is inserted into the cover member to close the opening by sliding between guide means formed on the inside of the cover member.
The cover member may comprise a trough-like member for securing top down over the sash cord pulley, the troughlike member having an open end closed by the removable closure member.
The draught excluder may include a laterally extending flange surrounding the cover member for securing the cover member to the side jamb, the surface of the flange which in use faces the side jamb and an exposed edge of the closure member level with said flange surface defining a continuous channel for accommodating a closedloop seal.
The invention also provides a sash window having a substantially vertical side jamb, a sash mounted for substantially vertical sliding movement on the inside of the side jamb, a pulley set into an opening in the side jamb, a sash cord passing from the sash via the pulley to a counterweight on the outside of the side jamb, and a draught excluder as specified above secured to the outside of the side jamb and covering the pulley and opening, the sash cord passing though the aperture in the closure member.
Brief description of the drawings An embodiment of the invention will now be described, by way of example, with reference to the accompanying drawings, in which: Figure 1, previously described, shows a sash window of the type to which the present invention may be applied.
Figure 2 is a perspective view, seen from below, of a draught excluder according to an embodiment of the invention fitted over one of the pulleys of the window of Figure 1 (the adjacent pulley is not shown fitted with an excluder for comparison - in practice all four pulleys would be fitted with excluders).
Figures 3 and 4 are perspective top and bottom views respectively of a trough-like member forming part of the excluder of Figure 2.
Figures 5 and 6 are dissembled and assembled perspective views respectively of a removable endwall forming part of the excluder of Figure 2.
Figures 7 and 8 are perspective views of the endwall being fitted to the trough-like member.
Detailed description of the drawings Referring to Figures 2 to 8, the draught excluder comprises an elongated trough-like cover member 32 (hereinafter simply referred to as a trough) having an open top 34 and one open end 36. A laterally extending flange 38 surrounds the open top 34 of the trough 32.
This allows the trough to be secured top down to the outside surface of the side jamb 10 so as to cover the sash cord pulley 16 and opening 20, Figure 2. The flange 38 is screwed tightly onto the jamb 10 by screws (not shown) which pass through screw holes 40.
The open end 36 of the trough 32 is closed in use by a removable closure member in the form of an endwall 42 having a central aperture 48 to allow passage of the sash cord 24 from the pulley 16 to the counterweight 28. The endwall 42 is formed in two parts 42A, 42B which can be assembled around the sash cord. This avoids the need to remove the counterweight 28 when fitting the draught excluder.
The endwall 42 is substantially rectangular and is inserted into the trough 32 to close the open end 34 by sliding it in a direction transverse the longitudinal axis of the trough between guide rails 44 formed on the internal sidewalls of the trough.
The top surface of the flange 38 and the exposed edge 46 of the endwall 42 which is level therewith (Figures 7 and 8) define a continuous channel 46 for accommodating a closed-loop seal (not shown) which is sandwiched between the flange 38 and the jamb 10 in use.
It will be noted that the draught excluder is fitted to the outside surface of the side jamb 10, to avoid restricting the range of movement of the sash 14.
The trough 32 and endwall 42 may be moulded from plastics material.
The invention is not limited to the embodiment described herein which may be modified or varied without departing from the scope of the invention.

Claims (6)

Claims
1. A draught excluder for a sash window, the draught excluder comprising a cover member for securing over a sash cord pulley set into an opening in a side jamb of the window, the cover member having an opening which is closed by a removable closure member, and the removable closure member having an aperture for the passage of the sash cord from the pulley to a counterweight.
2. A draught excluder according to claim 1 in which the closure member is formed in at least two parts which can be assembled around the sash cord.
3. A draught excluder according to claim 1 or 2 in which the closure member is inserted into the cover member to close the opening by sliding between guide means formed on the inside of the cover member.
4. A draught excluder according to any preceding claim comprising a trough-like member for securing top down over the sash cord pulley, the trough-like member having an open end closed by the removable closure member.
5. A draught excluder according to any preceding claim comprising a laterally extending flange surrounding the cover member for securing the cover member to the side jamb, the surface of the flange which in use faces the side jamb and an exposed edge of the closure member level with said flange surface defining a continuous channel for accommodating a closed-loop seal.
6. A sash window having a substantially vertical side jamb, a sash mounted for substantially vertical sliding movement on the inside of the side jamb, a pulley set into an opening in the side jamb, a sash cord passing from the sash via the pulley to a counterweight on the outside of the side jamb, and a draught excluder as 5 specified above secured to the outside of the side jamb and covering the pulley and opening, the sash cord passing though the aperture in the closure member.
IE20100691A 2009-10-30 2010-10-28 A window assembly IE86714B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE20100691A IE86714B1 (en) 2009-10-30 2010-10-28 A window assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IES20090837 2009-10-30
IE20100691A IE86714B1 (en) 2009-10-30 2010-10-28 A window assembly

Publications (2)

Publication Number Publication Date
IE20100691A1 IE20100691A1 (en) 2011-05-11
IE86714B1 true IE86714B1 (en) 2016-10-05

Family

ID=43401445

Family Applications (1)

Application Number Title Priority Date Filing Date
IE20100691A IE86714B1 (en) 2009-10-30 2010-10-28 A window assembly

Country Status (2)

Country Link
GB (1) GB2474954B (en)
IE (1) IE86714B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR540275A (en) * 1920-09-02 1922-07-08 Pulley device for sliding window frames
GB197258A (en) * 1922-10-02 1923-05-10 Richard Arthur Hooper Improvements relating to sliding sash windows
US6467128B1 (en) * 2000-09-11 2002-10-22 Deal International Inc. Block and tackle sash counter balance

Also Published As

Publication number Publication date
IE20100691A1 (en) 2011-05-11
GB2474954A (en) 2011-05-04
GB201018214D0 (en) 2010-12-15
GB2474954B (en) 2016-02-10

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