GB2119890A - Joints between hollow elongate members - Google Patents
Joints between hollow elongate members Download PDFInfo
- Publication number
- GB2119890A GB2119890A GB08213355A GB8213355A GB2119890A GB 2119890 A GB2119890 A GB 2119890A GB 08213355 A GB08213355 A GB 08213355A GB 8213355 A GB8213355 A GB 8213355A GB 2119890 A GB2119890 A GB 2119890A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stile
- rail
- side wall
- elongate
- block
- 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- Withdrawn
Links
Classifications
-
- 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
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
- E06B3/9687—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members with screws blocking the connecting piece inside or on the frame member
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Corner Units Of Frames Or Wings (AREA)
Abstract
A right-angle corner joint between two hollow elongate members 10, 11 of substantially uniform cross-section comprises a fixing block 12 secured within the end of one of the members 11 and a connecting screw 24 passing through an aperture 20 or 22 in at least one side wall of the other member 10, so as to extend at right angles to the longitudinal axis of that member. The connecting screw 24 engages the fixing block 12 in a manner to clamp the two members 10, 11 together, and one the aperture 19 through which the connecting screw may pass is elongate longitudinally of the member in which it is formed, so that the two members may still be correctly positioned relatively to one another after a portion has been cut from the end of the other member 10. <IMAGE>
Description
SPECIFICATION
Improvements in or relating to joints between hollow elongate members
The invention relates to the formation of joints between hollow elongate members and, in particular, provides a method and means for forming a right-angle corner joint between two members of a rectangular framework. The invention is particularly applicable to the formation of corner joints in door frames formed from box section extruded aluminium.
Corner joints for such door frames are known in which a fixing device is secured within the end of one of the hollow elongate members and a connecting element, usually a screw or bolt, passes through an aperture in the side wall of the other member and engages the fixing device so that when the screw or bolt is tightened up the two frame members are clamped securely together at right angles.
Sets of parts for assembly into a door frame are normally provided with the hole for the connecting bolt or screw already drilled in the appropriate position adjacent each end of the vertical stile of the door frame. Although this is satisfactory where the size of door required is exactly that provided by the components of the set of parts, the situation often arises where a door of somewhat smaller dimensions is required, necessitating the cutting down of the vertical stile and, in some cases, the horizontal rails. Although the range of common door sizes is comparatively small and represents only small differences in the length of the vertical stiles, it will be appreciated that any cutting down of the stiles will necessarily result in one of the holes for the connecting bolts or screws no longer being correctly positioned with respect to the end of the stile.
Consequently, when the vertical stiles have been cut down, it is necessary to drill fresh holes for the connecting bolts or screws in the stiles. This means that a person assembling the door must have available the appropriate tools, including a drill, and must also have the necessary skill to form the new holes in the correct position. Not only in this time-consuming but it also leads to the risk of inaccurate assembly of the door frame.
Accordingly, the present invention sets out to provide an arrangement whereby, when applied to a door frame, the vertical stiles and rails may still be connected together without further work, after the stiles have been cut to the required size.
According to the invention, a method of forming a right-angle corner joint between two hollow elongate members of substantially uniform cross-section comprises securing a fixing device within the end of one of the members, passing a connecting element through an aperture in at least one side wall of the other member, so as to extend at right angles to the longitudinal axis of that member, and engaging said element with the fixing device in a manner to clamp the two members together, said aperture through which the connecting element passes being elongate longitudinally of the member in which it is formed whereby the longitudinal position of that member with respect to said one member may be adjusted while the connecting element is extending through the aperture but before the two members are clamped together.
Thus, in the case of the connection between a vertical stile and horizontal rail of a door frame the relative positions of the rail and stile may be adjusted to bring, for example, the top of the upper rail flush with the top of the stiles, before the joints are clamped up, notwithstanding that material may have been removed from the upper end of the stile to bring the door to the correct height.
The invention includes within its scope a rightangle corner joint between two hollow elongate members of substantially uniform cross-section comprising a fixing device secured within the end of one of the members and a connecting element passing through an aperture in at least one side wall of the other member, so as to extend at right angles to the longitudinal axis of that member, which connecting element engages the fixing device in a manner to clamp the two members together, said aperture through which the connecting element passes being elongate longitudinally of the member in which it is formed.
The invention further includes within its scope a set of parts for use in constructing a rectangular frame, such as a door frame, the set of parts comprising first and second hollow elongate members of substantially uniform cross-section, a fixing a device having means for securing it within one end of one of the members, and a connecting element, the other elongate member being formed adjacent one end thereof with an opening which is elongate longitudinally of said one member and through which the connecting element may pass for engagement with the fixing device when secured within the end of said one element.
The connecting element may comprise a headed bolt or screw for threaded engagement with a threaded hole in the fixing device, and in this case the width of the elongate aperture will be such as to permit the passage of the shank of the bolt or screw while preventing the passage of the head of the bolt or screw.
The elongate aperture may be formed in one side wall only of the hollow elongate member, the opposite side wall of the member being formed with a larger elongate aperature to permit access of the connecting element to the side of the elongate aperture which faces into the hollow member.
Preferably there is associated with the connecting element a reinforcing plate for location on the interior surface of the side wall of the hollow member adjacent the elongate aperture. The reinforcing plate is preferably formed with a hole through which the connecting element passes before passing through the elongate aperture.
The elongate aperture may extend to the end of the hollow member in which it is formed so as to be open-ended.
The aforementioned fixing device may comprise a fixing block having means for locating and securing it within the end of said one hollow elongate member. Preferably the fixing block is secured to only one side wall of the hollow elongate member.
For example, a recess in the block may fit over a projecting portion on the interior surface of one side wall of the hollow elongate member and the block may be secured in position by screws passing through holes in said side wall and threadedly engaging threaded holes in the fixing block.
The projecting portion of the side wall of the hollow elongate member may comprise a dove-tail projection engageable within a dove-tail slot in the fixing block.
The following is a detailed description of an embodiment of the invention, reference being made to the accompanying drawing which is a diagrammatic exploded perspective view of a corner joint of a door frame in accordance with the invention.
The illustrated joint is between a vertical stile 10 and the upper horizontal rail 11 of a rectangular aluminium door frame, both the stile and rail being hollow box section aluminium extrusions of conventional form.
Afixing block 12 is secured within the open end of the horizontal rail 11. The block 12, which may conveniently be formed by extrusion or may be die cast, is formed ith a dove-tail section groove 13 which is a sliding fit over a corresponding dove-tail shaped flange 14 integrally formed on the bottom wall of the hollow section rail 11. The block 12 is secured in position within the rail 11 by means of screws 15 which pass through holes in the flange 14 and engage registering threaded holes in the underside of the block 12.
Since the block 12 is secured to only one side of the box section rail 11 it is suitable for use with rails of different depths, unlike conventional fixing blocks which normally engage both opposite walls of the rail, and the depth of which blocks must therefore correspond to the depth of the particular rails to which they are to be fitted.
Afurther disadvantage of some known types of fixing blocks is that when the joint is clamped up the localised stress imparted by the block to the rail can cause crazing of the anodised finish of the rail. in the described arrangement, however, the fixing block 12 may be of any desired length and the length may therefore be selected so as to distribute the stress sufficiently to prevent the occurrence of such crazing.
The fixing block 12 is formed with a threaded hole 16 which extends longitudinally of the block and rail 11 and faces towards the open end of the rail.
The side wall 17 of the stile 10 which faces towards the rail 11 is formed adjacent one end of the stile with a circular hole 18 and, spaced below the hole 18, and elongate round-ended slot 19 the width of which is the same as the diameter of the hole 18. A hole 20 of larger diameter than the hole 18 is disposed in the side wall 21 of the stile 10 opposite the wall 17 and, similarly, a larger slot 22 is formed in the wall 21 opposite the slot 19.
The dimensions of the hole 20 and slot 22 are such that they will permit the passage of the head 23 of a connecting screw 24 and the dimensions of the hole 18 and slot 19 are such that they will permit the passage of the shank of the screw but will not permit the passage of the head 23 of the screw.
To assemble the joint the connecting screw 24 is passed through the hole 20 into the interior of the stile 10 and its shank is passed through the hole 18 and threadedly engaged with the threaded hole 16 in the fixing block 12. A spring washer 25 and a rectangular pressure plate 26 formed with a central hole 27 are disposed between the head 23 of the screw and the inner surface of the side wall 17 ofthe stile.
The locations of the holes 18 and 20 are such that when the screw 24 is tightened to clamp the upper end of the stile 10 to the end of the rail 11 the upper end of the stile is flush with the upper surface of the rail.
If it is required that the height of the door should be less than the height of the stile provided, the stile may be cut to the shorter length required, for example as indicated by the dotted line 28 in the drawing. In this case the connecting screw 24 is passed through the elongate slots 22 and 19 for engagement with the fixing block 12. Due to the elongation of the slot 19, after the screw has been loosely engaged with the block 12 the rail 11 may be adjusted up or down with respect to the stile 10 to bring the upper surface of the rail flush with the upper end of the stile, the connecting screw 24 sliding in the slot 19. There is therefore no necessity to drill holes in the stile 10 corresponding to the new length of the stile.
The slots 22 and 19 may be of any required length according to the variation in height to be accommodated, but it is found in practice that a slot having a length of about 25 mm will provide the necessary range of adjustment. The slots 19 and 22 could extend to join with the holes 19 and 22 respectively, if required, and could even extend to the upper end of the stile so as to be open-ended.
The slots may be formed by a punching operation.
CLAIMS (Filed on 2913/83) 1. A right-angle corner joint between two hollow elongate members of substantially uniform crosssection comprising a fixing device secured within the end of one of the members and a connecting element passing through an aperture in at least one side wall of the other member, so as to extend at right angles to the longitudinal axis of that member, which connecting element engages the fixing device in a manner to clamp the two members together, said aperture through which the connecting element passes being elongate longitudinally of the member in which it is formed.
2. A corner joint according to claim 1, wherein the connecting element comprises a headed bolt or screw for threaded engagementwith a threaded hole in the fixing device, the width of the elongate aperture being such as to permit the passage of the shank of the bolt or screw while preventing the passage of the head of the bolt or screw.
3. A corner joint according to claim 1 or claim 2, wherein the elongate aperture is formed in one side wall only of the hollow elongate member, the opposite side wall of the member being formed with
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (14)
1. A right-angle corner joint between two hollow elongate members of substantially uniform crosssection comprising a fixing device secured within the end of one of the members and a connecting element passing through an aperture in at least one side wall of the other member, so as to extend at right angles to the longitudinal axis of that member, which connecting element engages the fixing device in a manner to clamp the two members together, said aperture through which the connecting element passes being elongate longitudinally of the member in which it is formed.
2. A corner joint according to claim 1, wherein the connecting element comprises a headed bolt or screw for threaded engagementwith a threaded hole in the fixing device, the width of the elongate aperture being such as to permit the passage of the shank of the bolt or screw while preventing the passage of the head of the bolt or screw.
3. A corner joint according to claim 1 or claim 2, wherein the elongate aperture is formed in one side wall only of the hollow elongate member, the opposite side wall of the member being formed with
a larger elongate aperture to permit access of the connecting element to the side of the elongate aperture which faces into the hollow member.
4. A corner joint according to any of claims 1 to 3, wherein there is associated with the connecting element a reinforcing plate for location on the interior surface of the side wall of the hollow member adjacent the elongate aperture.
5. A corner joint according to claim 4, wherein the reinforcing plate is formed with a hole through which the connecting element passes before passing through the elongate aperture.
6. A corner joint according to any of claims 1 to 5, wherein the elongate aperture extends to the end of the hollow member in which it is formed so as to be open-ended.
7. A corner joint according to any of claims 1 to 6, wherein the fixing device comprises a fixing block having means for locating and securing it within the end of said one hollow elongate member.
8. A corner joint according to claim 7, wherein the fixing block is secured to only one side wall of the hollow elongate member.
9. A corner joint according to claim 8, wherein a recess in the block fits over a projecting portion on the interior surface of one side wall of the hollow elongate member and the block is secured in position by screws passing through holes in said side wall and threadedly engaging threaded holes in the fixing block.
10. A corner joint according to claim 9, wherein the projecting portion of the side wall of the hollow elongate member comprises a dove-tail projection engageable within a dove-tail slot in the fixing block.
11. A method of forming a right-angle corner joint between two hollow elongate members of substantially uniform cross-section comprising securing a fixing device within the end of one of the members, passing a connecting element through an aperture in at least one side wall of the other member, so as to extend at right angles to the longitudinal axis of that member, and engaging said element with the fixing device in a manner to clamp the two members together, said aperture through which the connecting element passes being elongate longitudinally of the member in which it is formed whereby the longitudinal position of that member with respect to said one member may be adjusted while the connecting element is extending through the aperture but before the two members are clamped together.
12. A set of parts, for use in constructing a rectangular frame, comprising first and second hollow elongate members of substantially uniform cross-section, a fixing device having means for securing it within one end of one of the members, and a connecting element, the other elongate member being formed adjacent one end thereof with an opening which is elongate longitudinally of said one member and through which the connecting element may pass for engagement with the fixing device when secured within the end of said one element.
13. A right-angle corner joint between two hollow elongate members substantially as hereinbefore described with reference to the accompanying drawings.
14. A set of parts, for use in constructing a rectangular frame, substantially as hereinbefore described with reference to the accompanying draw ings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08213355A GB2119890A (en) | 1982-05-08 | 1982-05-08 | Joints between hollow elongate members |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08213355A GB2119890A (en) | 1982-05-08 | 1982-05-08 | Joints between hollow elongate members |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2119890A true GB2119890A (en) | 1983-11-23 |
Family
ID=10530237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08213355A Withdrawn GB2119890A (en) | 1982-05-08 | 1982-05-08 | Joints between hollow elongate members |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2119890A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8707648U1 (en) * | 1987-05-27 | 1987-10-01 | Niemann, Hans Dieter, 5014 Kerpen | Connecting component of two profile bars that meet at an angle for window or door frames |
DE4131558A1 (en) * | 1991-04-18 | 1992-10-22 | Andersen Corp | CORNER CONNECTOR FOR HOLLOW PROFILE PARTS |
WO2001096703A1 (en) * | 2000-06-13 | 2001-12-20 | Vkr Holding A/S | Fastening element, method and use hereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB683386A (en) * | 1949-03-21 | 1952-11-26 | Owen John Evans | A new or improved connector for use in joining tubes |
GB1019243A (en) * | 1962-03-02 | 1966-02-02 | Williams & Williams Ltd | Constructional assemblies comprising two or more bars |
-
1982
- 1982-05-08 GB GB08213355A patent/GB2119890A/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB683386A (en) * | 1949-03-21 | 1952-11-26 | Owen John Evans | A new or improved connector for use in joining tubes |
GB1019243A (en) * | 1962-03-02 | 1966-02-02 | Williams & Williams Ltd | Constructional assemblies comprising two or more bars |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8707648U1 (en) * | 1987-05-27 | 1987-10-01 | Niemann, Hans Dieter, 5014 Kerpen | Connecting component of two profile bars that meet at an angle for window or door frames |
EP0292890A2 (en) * | 1987-05-27 | 1988-11-30 | Hans-Dieter Niemann | Joining arrangement of two angularly adjoining profile bars for window or door frames |
EP0292890A3 (en) * | 1987-05-27 | 1990-01-17 | Hans-Dieter Niemann | Joining arrangement of two angularly adjoining profile bars for window or door frames |
DE4131558A1 (en) * | 1991-04-18 | 1992-10-22 | Andersen Corp | CORNER CONNECTOR FOR HOLLOW PROFILE PARTS |
WO2001096703A1 (en) * | 2000-06-13 | 2001-12-20 | Vkr Holding A/S | Fastening element, method and use hereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |