The present disclosure pertains to a connector system and building components for use in building construction, such as during the erection of prefabricated, modular or component housing for example.
Various approaches for erecting prefabricated houses, or other structures, are known. One approach has been to build an entire house, such as a container home, in a factory, transport the completed house to a building site and attach it to a foundation. For this approach to be possible, it may be necessary for the house to be manufactured so as not to exceed maximum transportation load sizes that may be imposed by law. Even if possible, it may be impractical to transport an entire house from a factory in view of potential transportation difficulties such as physical obstacles on roadways between the site and factory (e.g. bridges, tunnels, overhead obstructions and the like). Indeed, the potential difficulty and cost of transportation may be a deterrent for using this approach, particularly as the distance between the building site and the factory increases.
Another approach has been to build a house in several modular pieces at a factory, transport the pieces to the building site, and assemble the pieces on the foundation. The pieces may be interconnected on site and may be covered by an appropriate rendering, e.g. mixtures of sand, cement and/or waterproofing mix. Although the pieces will be smaller than the entire house, the cost of transportation may still be a deterrent for using this approach, and legal or practical size limitations may still need to be observed.
Yet another approach has been to build on site in the traditional manner but with some of the material, such as roof trusses, being preassembled.
In one aspect of the present disclosure, there is provided a connector system for interconnecting two building components, the connector system comprising: a male connector comprising a connector body for attachment to a building component; and a tapered protrusion protruding from the connector body, the tapered protrusion having a cross-sectional extent that decreases monotonically, in at least one dimension, in a direction of protrusion, thereby imparting a taper to the tapered protrusion in the at least one dimension; a female connector comprising: a connector body for attachment to another building component; and a receptacle defined within the connector body of the female connector, the receptacle for receiving the tapered protrusion of the male connector upon mating of the male connector with the female connector, wherein the taper of the tapered protrusion is for facilitating centering of the male connector with respect to the female connector in the at least one dimension through sliding engagement between the tapered protrusion and at least part of the receptacle during the mating of the male connector with the female connector.
In another aspect of the present disclosure, there is provided a pair of building components for use in building construction, the pair of building components comprising a first building component comprising an integrally formed male connector, the male connector having a tapered protrusion, the tapered protrusion protruding from the connector body, the tapered protrusion having a cross-sectional extent that decreases monotonically, in at least one dimension, in a direction of protrusion, thereby imparting a taper to the tapered protrusion in the at least one dimension; a second building component comprising an integrally formed female connector having a receptacle for receiving the tapered protrusion of the male connector upon mating of the male connector with the female connector, wherein the taper of the tapered protrusion is for facilitating centering of the male connector with respect to the female connector in the at least one dimension through sliding engagement between the tapered protrusion and at least part of the receptacle during the mating of the male connector with the female connector.
In a further aspect of the present disclosure, there may be provided a structural panel comprising the above connector system or the above pair of building components.
In the figures which illustrate exemplary embodiments:
In this document, the term “exemplary” is understood to mean “an example of” and does not necessarily connote that the example is preferred or exceptional in any way.
In overview, an exemplary connector system may be used to quickly align and interconnect two adjacent framing members, planar structural panels or other building components, e.g. during erection of prefabricated or modular housing. The connector system includes a male connector and a female connector. The connectors can be attached to, or may be integrally formed with, respective building components to be interconnected.
An exemplary male connector comprises a tapered protrusion having a cross-sectional extent that decreases monotonically, in at least one dimension, in the direction of protrusion, so as to impart a taper to the tapered protrusion in the at least one dimension. The at least one dimension may be transverse or longitudinal with respect to the male connector body. In other words, upon attachment of the male connector to a building component having an elongate shape (e.g. a framing member or an edge of a structural panel), the dimension of tapering may either be transverse to the longitudinal axis of the building component, or parallel to that axis (or both). A corresponding female connector comprises a receptacle for receiving the tapered protrusion. The taper of the tapered protrusion facilitates centering of the male connector with respect to the female connector in the at least one dimension. The centering is facilitated by sliding engagement between the tapered protrusion and at least part of the receptacle during mating of the male connector with the female connector. Depending on the orientation of the connectors, the facilitation of centering may be enhanced by gravity.
In one embodiment, the tapered protrusion may be hollow and may have a generally frusto-pyramidal shape with a polygonal (e.g. rectangular or square) cross-sectional shape. The shape of the receptacle may be complementary to that of the tapered protrusion, e.g. may define a frusto-pyramidal recess. The complementary three-dimensional shapes of the tapered protrusion and corresponding receptacle may collectively facilitate a predetermined rotational alignment between the male connector and the female connector (and of any building components attached to or integrally formed with the male and female connectors respectively) during mating of the male connector with the female connector. The reason is that full seating of the male connector within the female connector may require a predetermined rotational alignment of the connectors, at one or more predetermined angles with respect to one another.
Some embodiments of the connector system may not inherently promote rotational alignment between the male and female connectors during mating thereof. The cross-sectional shape of the tapered protrusion and/or of the complementary receptacle of such embodiments may not be polygonal. For example, they may instead be circular, e.g. as in the case of a conical or frusto-conical tapered protrusion and complementary circular receptacle for example. A desired alignment between adjacent building components may instead be achieved by using multiple connectors along each edge of a building component, as described below.
The relative rotational angles at which the male and female connectors can be mated may accordingly depend upon the cross-sectional shapes of the tapered progression and complementary recess (e.g., 0° or 180° in the case of a rectangular cross-sectional shape; 0°, 90 °, 180°, or 270° in the case of a square cross sectional shape; any value from 0° to 3600 in the case of a circular cross-section; and so forth, to name but several examples).
In one embodiment, the recess may be more than twice as wide as it is deep.
The base of the tapered protrusion of the male connector (i.e. the proximal end that is opposite from the distal end or tip) may be sized so as to span most or all of a width of a building component (e.g. framing member) to which the male connector is to be attached or with which it is integrally formed. Similarly, the receptacle of the female connector may be sized so as to span most or all of a width of another building component (e.g. another framing member) to which the female connector is attached or with which it is integrally formed. This relative sizing of the base and receptacle to their respective building component widths may facilitate interconnection of the connectors in the field. For example, presuming the tapered protrusion is hollow, the relatively large size of the base may facilitate access to an interior of the tapered protrusion, e.g. for accessing a receptor that is used for interconnecting the male connector with the female connector. Alternatively or in conjunction, when the opening defined by the receptacle has a relatively large size, even just an approximate alignment of the male and female connectors should result in some overlap between the tip of the tapered protrusion of the male connector and the receptacle of the female connector. Once that overlap has been achieved, the centering effect described above may more easily proceed, possibly with the help of gravity (again, depending on the orientation of the connectors). The cross-sectional area of the tip of the tapered protrusion may intentionally be made significantly less than the cross-sectional area of the opening defined by the receptacle, in order to contribute to this result (e.g. the cross-sectional area of the tip of the tapered protrusion may be less than 15% of the cross-sectional area of the opening defined by the receptacle; other percentages are also contemplated).
The tapered protrusion of the male connector may be hollow, have an open base and an open tip. As a result, it may be possible to see through the male connector, from the tip through the connector body or vice-versa. A rationale for the open base and/or open tip may simply be a desire to less material during manufacture of the connectors than would otherwise be used if the base or tip were not open.
The cross-sectional area of the base of the tapered protrusion may be much larger than that of the tip of the tapered protrusion (e.g. ratio of 6:1 or higher).
When the male connector has been mated with the female connector, a receptor (e.g. a threaded hole) in the tapered protrusion of the male connector may be aligned with a corresponding receptor (e.g. a similar threaded hole) in the receptacle of the female connector. A fastener (e.g. screw) may be passed through the aligned receptors along an axis common to the receptors, in order to interconnect the male and female connectors.
When male and female connectors are separate components from the building components to which they will respectively be attached, each of the connectors may have one or more flanges for attaching the respective connector to its respective building component. The flange of a connector may have an access hole for accessing the receptor of the same connector. In the case of the male connector, the access hole may be on the opposite side of the connector from the receptor to be accessed. In this case the receptor may be accessible from within the interior of the tapered protrusion, which may be hollow. In the case of the female connector, the access hole may be on the same side of the connector as the receptor to be accessed. In this case, the receptor may be accessible from the exterior of the receptacle.
The access hole by which a receptor is to be accessed, whether it is on the male connector or the female connector, may be positioned such that the common axis of the aligned receptors passes therethrough when the male and female connectors are mated. This may be to facilitate insertion of a fastener into the receptor, through the access hole, along the axis. The axis may be angled away, by a predetermined angle (e.g. 30 degrees), from being perpendicular to a wall of the tapered protrusion, or may simply be perpendicular to the wall. The angle may be chosen to facilitate use of a tool for inserting the fastener in tight quarters.
The male and female connectors may have receptors and access holes on both sides in mirror image, in order to provide flexibility as to which side is used (either one or both) to interconnect the male and female connectors, depending upon which access hole(s) is/are accessible in a construction environment. When the male and female connectors are integrally formed with their respective building components, which may be C-sections or hollow framing members for example, the access holes may be formed in flanges or walls that define a widthwise extent of those building components.
As alluded to above, multiple male connectors may be spaced at predetermined distances along a building component (e.g. a framing member or planar structural panel), and multiple female connectors may be spaced at the same predetermined distance along another building component (e.g. another framing member or another panel). This may facilitate quick alignment and interconnection of the building components at multiple interconnection points, even in the case where the male and female connectors can be mated at any relative rotational angle (e.g. when the tapered protrusion and complementary receptacle are both circular).
Referring to
The male connector 102 is illustrated in
Referring first to
The cross-sectional extent of the tapered protrusion 106 of the illustrated embodiment decreases monotonically, in two dimensions, in the direction of protrusion, giving the tapered protrusion a two-dimensional taper in a direction away from the connector body 103. The height of the tapered protrusion (i.e. the distance it protrudes from the body 103) of the present embodiment is about half of the width of the tapered protrusion at its foot 140 (see
As perhaps best seen in the plan view of
As shown in
As shown in
The access holes 128 and 130 may be round, as shown in
As also shown in
The female connector 152 is illustrated in
Referring to
The receptacle 156 is shaped to receive the tapered protrusion 106 upon mating of the male connector 102 with the female connector 152. In the present example, the receptacle 156 has a two-dimensional taper similar to that of the tapered protrusion 106. In particular, the receptacle 156 defines a three-dimensional frusto-pyramidal recess that is complementary to the frusto-pyramidal shape of the tapered protrusion 106. This may promote predetermined rotational alignment of the male and female connectors 106 and 156, since full seating of the male connector with the female connector during mating will only be possible, in the exemplary embodiment, when the male connector is at 0 degrees or 180 degrees rotation in relation to the female connector. This is in view of the rectangular cross-sectional of the tapered protrusion 106 and complementary rectangular cross-sectional shape of the receptacle 156. The cross-sectional area of the tip 112 of the tapered protrusion 106 of the male connector 102 (see
The floor 162 of the receptacle (i.e. the deepest part of the receptacle-see
As perhaps best seen in the plan view of
Side wall 164 has three holes 172 therethrough, and side wall 168 similarly has three holes 174 therethrough. Like the holes 122, 124 of the male connector 102, the holes 172, 174 of the female connector 152 may be referred to generically as receptors. The reason, as earlier noted, is that the receptors 172 and 174, or at least a subset of receptors 172 and/or a subset of receptors 174, are intended to receive fasteners that will serve to interconnect the female connector 152 with the male connector 102 during use. The number of receptors 172 and 174 and their arrangement may differ in other embodiments of the female connector 152 but will normally match the number and arrangement of corresponding receptors 122 and 124, respectively, of the male connector 102.
Flanges 158 and 160 each have an access hole 178 and 180 for accessing the receptors 172 and 174 of the adjacent side wall 164 and 168, respectively, during interconnection of the male connector 102 with the female connector 152. More particularly, the access hole 178 permits access to the receptors 172 of the adjacent side wall 164, while the access hole 180 permits access to the receptors 174 of the adjacent side wall 168. Notably, each access hole 178, 180 is used to access receptors 172, 174 (respectively) of the adjacent side wall (i.e. the side wall on the same side of the female connector 152 as the flange), rather than the opposite side wall (i.e. the side wall on the other side of the female connector 152 from the flange). That is to say, access to the receptors 172, 174 through the access holes 178, 180 is not from the interior side of the receptacle walls 164, 168, as described above in the case of the male connector 102, but rather from the exterior side of the receptacle walls 164, 168, respectively.
As shown in
Like the access holes 128 and 130 of male connector 102, the access holes 178 and 180 are not necessarily round, but instead may have another shape such as square, obround, oval or rectangular, to name but a few examples. The shape may be chosen to facilitate access to the receptors 172, 174 of the embodiment in question.
Each of flanges 158 and 160 also has a pair of holes 182 and 184, respectively, for use in attaching or mounting the female connector 152 to a framing member 202, which is notionally shown in dashed lines (end view) in
It will be appreciated that, in the exemplary connector system 100 described above, flanges 108 and 110 are spaced apart by a distance D (see
Moreover, on the male connector 102, the foot 140 of the tapered protrusion 106 (i.e. its widest portion, at or near the point where the tapered protrusion 106 meets with the connector body 103—see
Referring to
As illustrated, the male connector 102 is attached to the framing member at a square opening 212 that has been punched through the sheet metal of framing member 200. The male connector 102 is placed inside the C-shaped framing member 200 so that the tapered protrusion 106 of the male connector 102 protrudes through the opening 212. As best seen in
The male connector 102 may be attached or mounted in position by interconnectors or fasteners, such as screws, bolts, rivets, or the like, which pass through holes in the framing member 200 that are aligned with holes 132 and 134 in the flanges 108 and 110 of the male connector 102. In the result, the male connector 102 is removably or permanently attached to the framing member 200, with most of tapered protrusion 102 protruding through the opening 212. This is perhaps best seen in
The framing member 200 has a pair of access holes 214 (only one of which is visible in
Like the male connector 102, the female connector 152 is attached to its respective framing member 202 at a square hole 222 that has been punched through the sheet metal of the framing member. This may be in addition to other holes 975 punched for use in anchoring the framing member 202 to a foundation. The female connector 152 may be placed inside the C-shaped framing member 202 so that the receptacle 156 is aligned with the hole 222. In the illustrated example, the longitudinal extent of the female connector 152 is greater than that of the hole 222, resulting in overlap 965 (see
Also, as was the case with framing member 200 to which the male connector 102 is attached, framing member 202 has a pair of access holes 224 (see
In some embodiments, the male connector 102 may be attached to C-section 200 so that the tapered protrusion points away from the C-section 200 on the open area 912 side of the “C” (see
Interconnection of example framing members 200 and 202 by way of male and female connectors 102 and 152 is illustrated in
Referring to
Referring now to
Moreover, due to similar sliding engagement of the exterior side of back wall 116 of tapered protrusion 106 upon the interior side of the back wall 166 of the receptacle 156 or the back edge of the rectangular opening defined by the receptacle 156 (not expressly shown), translation of the male connector 102, and attached framing member 200, also occurs in the Y dimension, in addition to the translation in the X dimension described above, as the framing member 200 is lowered. The resulting translation in the X and Y dimensions, which is collectively indicated by arrow M of
Ease of centering may be particularly valuable in construction projects wherein the building components to be connected or erected are structural wall panels with drywall or other cladding already affixed to both sides. In such cases, any gaps resulting from improperly centered or ill-positioned building components might be readily apparent on the face of the drywall or cladding that already forms part of the structural panel. This may differ from conventional construction techniques, wherein a frame is erected first and then covered with drywall or cladding at a later stage of construction. In the latter case, it may be possible to hide gaps or imperfections in the frame by later covering them with the drywall or cladding. This may not be a feasible option for pre-cladded structural panels.
It will also be appreciated that the 3D shape of the frusto-pyramidal tapered protrusion 106, together with the 3D shape of the receptacle, facilitate rotational alignment of the male connector 102 with respect to the female connector 152 during mating of the male connector 102 with the female connector 152. For example, if, prior to mating of the connectors 102 and 152, the orientation of the male connector 102 had initially been rotationally misaligned, say, by 5 degrees in relation to female connector 152 in the X-Y dimensional plane (e.g. through inadvertent mis-orientation, i.e. rotational misalignment, by a construction worker), the orientation of the male connector 102 would tend to self-correct to zero degrees (i.e. the male connector 102 would tend to become rotationally aligned with respect to female connector 152) as the tapered protrusion 106 becomes fully seated within the receptacle 156, during the mating of the connectors 102 and 152. The reason is that the male and female connectors of the illustrated embodiment only fit together properly at 0° and 180° rotation relative to one another (in view of the rectangular cross-section). This design may facilitate interconnection of the two framing members 200 and 202 at predetermined relative orientations, particularly when only one connector system 100 (i.e. one male-female pair of connectors 102, 152). As noted above, rotational alignment may not be important in some embodiments.
When the male connector 102 has been mated with the female connector 152, the receptors 122 and 124 of the male connector 102 will be aligned with corresponding receptors 172 and 174, respectively, of the female connector 152. The aligned receptors of the male connector 102 and female connector 152 are coaxial in the illustrated embodiment. It may be desirable to account for the thickness of the sheet metal of framing members 200 and 202, within which the male and female connectors 102 and 152 are mounted, when drilling or stamping the receptors 122, 124 and 172, 174 in the male and female connectors respectively, so that the receptors will align when the male and female connectors, mounted within their respectively framing members, are mated as shown in
Once the male and female connectors 102 and 152 have been mated as shown in
The illustrated example of
Also, the choice of which receptor(s) to use may depend in part on ease of access to access holes 128, 178 versus access holes 178, 180 in a construction environment. Referring to
For example, say that the framing members 200, 202 were being used to attach a wall, cladded on both sides with wallboard or drywall, to a foundation. Referring to
Conversely, if convenient access to framing members 200, 202 were only available from the left side, then the interconnection of framing members 200, 202 may be performed in mirror image to what is shown in
The option of interconnecting the male connector 102 and female connector 152 from either side, or possibly from both sides, and the option of inserting interconnectors or fasteners either downwardly from the top (e.g. through the access hole(s) 128, 130 of the male connector 102 in the illustrated examples) or upwardly from the bottom (e.g. through the access hole(s) 178, 180 of the female connector 152 in the illustrated examples) may provide some flexibility in the manner in which the connectors 102, 152 can be used.
When two framing members have been interconnected using the connector system 100 as shown in
In some embodiments, when it is desired to anchor a framing member to a surface such as a concrete building foundation 260, an enclosed framing member 1000 (see
As illustrated, tie down bolts 262 may used to secure framing member 1000 to the concrete foundation 260. The tie down bolts 262 may vary in size depending on the expected wind loads for the region of construction, for example. A typical size may be M12 in some regions. Openings 264 may be made in the upper side of the framing member 1000 to allow access for tools to attach the tie down bolts 262 to the foundation 260. The framing member 1000 may be shimmed at or near the tie down bolts 262 to ensure that the framing member 1000 is level over the entire foundation area. In the result, the framing member 1000, and possibly others like it, may collectively define a perimeter of a house or other building, which may provide a level base for assembling a building such as a house or commercial structure. The creation of a level foundation is usually important since components may be engineered to fit together without much room for adjustment.
Referring
Each of the two walls 313 has a single receptor 315 (here, a threaded hole) therethrough for receiving an interconnector or fastener during interconnection of the male connector 302 with the female connector 352. The number of receptors 315 and their positioning or arrangement may differ in other embodiments. Each of flanges 308 and 310 has a pair of holes 332 for use in attaching the male connector 302 to a building component such as a framing member 400, as shown in
Referring to
The receptacle 356 is shaped to receive the tapered protrusion 306 when the male connector 302 is mated with the female connector 352. In the present example, the receptacle 356 defines a rectangular opening that accommodates the rectangular 357 of the tapered protrusion 306. The longitudinal walls 363 of receptacle 356, only one of which is visible in
Flanges 358 and 360 each have an access hole 379 for accessing the receptor 365 of the adjacent longitudinal wall 313 during interconnection of the male connector 302 with the female connector 352. The access holes 379 is not necessarily round in all embodiments, but instead may have another shape such as square, obround, oval or rectangular, to name but a few examples.
Each of flanges 358 and 360 also has a pair of holes 383, for use in attaching or mounting the female connector 352 to a framing member 402, as shown in
Interconnection of framing members 400 and 402, by way of male and female connectors 302 and 352 that are respectively attached thereto, is illustrated in
It will be appreciated that the interconnector(s) or fastener(s) that is (are) inserted into receptors 315, 365 is (are) inserted from the exterior side of the receptacle wall. That is, insertion of an interconnector or fastener from the interior side of the triangular wall 313 of the tapered protrusion 306 may be difficult or impossible because of the horizontal axis of the holes and the absence of a convenient window or access hole for accessing the interior side of the wall on an angle with a tool at a horizontal or near-horizontal insertion angle. In this regard, the connector system 100 described above may provide greater flexibility of installation.
In some embodiments, connectors 302, 352 may be interconnected using a single fastener that spans the entire width of the mated connectors. When the exemplary connectors 302 and 352 are mated, the pair of receptors 315 in the opposing walls of male connector 302 will become substantially aligned with the corresponding pair of receptors 365 in the adjacent walls of the female connector 352, i.e. the four holes will be substantially coaxial. A long fastener, such as a self-threading screw, can be inserted so as to span the width of both connectors, thereby attaching each connector to the other at two points of interconnection. The fastener may be inserted from either side of the female connector 352, through either one of the two access holes 379. A user may elect to use the connector system 300 away from tight corners of a building under construction in order to avoid potential difficulties inserting the fastener using a tool such as a screwdriver.
It is possible that building components, such as steel framing members, which may be manufactured using roll forming machines, may be manufactured with integrally formed male and female connectors. This may eliminate the need for a separate manufacturing step of attaching male and female connectors as described above to formed metal framing members. A pair 500 of such building components is illustrated in
Referring to
As shown in
Referring to
As perhaps best seen in the plan view of
As shown in
As shown in
It is noted that, by using multiple interconnection points (e.g. two connector pairs A and B) spaced along framing members 501 and 551 as shown in
As will be appreciated, various other modifications can be made to the embodiments described hereinabove or hereinbelow.
For example, it is not necessarily true that tapered protrusion 106 or 806 (see below) will be frusto-pyramidal in all embodiments. The tapered protrusion may have other shapes, such as pyramidal, conical, frusto-conical, or others, in alternative embodiments. As such, the tapered protrusion may not have any flat surfaces in some embodiments. Alternatively, the tapered protrusion may have one flat surface or more than one. Moreover, it is not required for the end 102 of the tapered protrusion 106 to be open as in the illustrated embodiment. A possible advantage of an open end, as described above, may be conservation of material and low cost or low weight. This might come at the expense of increased risk of contamination of the interior of the tapered protrusion with materials such as dirt or construction debris during use in some building environments.
In one of the above described embodiments, the height of the tapered protrusion of the male connector (i.e. the distance the tapered protrusion protrudes from its connector body or integral building component) is about half of the width of base of the tapered protrusion. In some embodiments, the relative height of the tapered protrusion may be even smaller than that. A small relative height may keep the profile of the male connector small enough for seating even in receptacles defined within relatively shallow building components. Alternatively, the height may be may be larger than half of the width of the base in some embodiments. This may provide for larger areas in the tapered protrusion for multiple receptors to be defined, for receiving a larger number of fasteners for example.
In some embodiments, the shape of the receptacle of the female connector may not be fully complementary to the shape of the tapered protrusion. For example, if the cross-sectional shape of the foot of the tapered protrusion of the male connector is square, then the receptacle in some embodiments may define an opening that is only partially square, e.g. leaving some gaps, possibly to save material. The shape of the receptacle may thus be only partially complementary to the shape of the tapered protrusion.
As noted above, the interconnectors and/or fasteners used in the above described embodiments may be of various types, some removable (e.g. threaded fasteners such as screws or bolts) and others non-removable or permanent (e.g. rivets). Also, the receptors into which interconnectors or fasteners are placed may be of various types, such as holes, whether threaded or unthreaded, slots, or other types of receptors.
In some embodiments, the cross-sectional shape of the tapered protrusion of the male connector and the complementary cross-sectional shape of the receptacle may be non-rectangular or non-square (e.g. it may be triangular, pentagonal, hexagonal, etc.). The cross-sectional shapes may be irregular or asymmetrical.
In some embodiments, the flanges 108 and 110 of the male connector 102 and/or the flanges 158 and 160 of the female connector 152 (or of the corresponding flanges 308, 310 and 358, 360 of
In the above embodiments, the access holes for accessing the receptors of the male and female connectors 102, 152, 352, 802, 852 are described as being situated in the flanges 108, 110, 158, 160, 358, 360, 808, 810, 858 and/or 860. In some embodiments, the access holes may be situated elsewhere in the connector body. Moreover, in some embodiments, the connector body 103, 153, 303 or 353 may not have two flanges for attachment of the connector to a framing member (or other building component). Only one flange may be sufficient for some embodiments. Alternatively or in conjunction, the flange or flanges may be coplanar or substantially coplanar with the connector body, as illustrated in
Referring to
In some embodiments, the male connector may be formed from a female connector fitted with an adapter that converts the female connector to a male connector. The adapter may be seated within the receptacle of the female connector to create a tapered protrusion for the male connector. An exemplary embodiment of this type is illustrated in
Referring to
In use, the side that is inverted and hidden from view (see
The adapter 706 may be solid or hollow. In the latter case, the adapter 706 may be split into two halves 722, 724, as shown in
Referring to
The male connector 802 is illustrated in
The exemplary male connector 802 comprises a connector body 803 and a tapered protrusion 806 protruding from the body 803. The connector body 803 comprises shelf portions 804 and 805 and opposing flanges 808 and 810 extending from the peripheral sides of the shelf portions 804 and 805, respectively, in a direction opposite to the direction of taper of the tapered protrusion 806. The flanges 808 and 810 are for attaching the male connector 802 to a building component such as a framing member or planar panel, in substantially the same manner as connector system 100 described above.
As perhaps best seen in
Flanges 808 and 810 each have an access hole 828 and 830 for accessing the receptors 834 and 832 of the opposing side wall 814 and 812, respectively, during interconnection of the male connector 802 with the female connector 852, substantially as described for connector system 100 described above. The access holes 828 and 830 may be obround, as illustrated, or may have another shape.
The tapered protrusion 806 has a truncated V-shaped profile, perhaps best seen in
An upper portion 813, 815 of each sloped wall 812, 814 is untapered, i.e. does not decrease in width in the direction of protrusion of the tapered protrusion 806 (see
Each sloped wall 812, 814 of the male connector 802 has a tab 822, 824, respectively (see
The female connector 852 is illustrated in
The receptacle 856 is shaped to receive the tapered protrusion 806 upon mating of the male connector 802 with the female connector 852. In the present example, receptacle 856 includes two opposing resilient wings 862, 864 angled away from a receiving end of the receptacle. Each wing 862, 864 has a respective slot 871, 873 towards its distal end for receiving a corresponding tab 822, 824 of the male connector 802. The slots 871, 873 make up a female half of a snap-fit for joining the female connector 852 with the male connector 802.
Resilient wings 862, 864 also have receptors 872, 874, respectively, therein. The receptors 872, 874 are intended to receive interconnectors or fasteners that will serve to interconnect the female connector 852 with the male connector 802 during use. The number of receptors 872 and 874 and their arrangement may differ in other embodiments of the female connector 852 but will normally match the number and arrangement of corresponding receptors 822 and 824, respectively, of the male connector 802, so as to be aligned therewith when the connectors 802, 852 have been mated and when the snap-fit has been engaged. In addition, each of resilient wings 862, 864 has a pair of threaded holes 883, 885, respectively, therethrough. These holes 883, 885 are intentionally positioned so as to be misaligned with holes 833, 835 of the male connector 802 when the connectors have been mated. As will be described, one or more of holes 833, 835, 883 and 885 may be used for disengaging the snap-fit mechanism should it be desired to disconnect the male connector 802 from the female connector 804. Holes 833, 835, 883, and 885 are not necessarily present in all embodiments or may vary in location and number.
Flanges 858 and 860 each have an access hole 878 and 880 for accessing the receptors 872 and 874 of the adjacent resilient wing 862 and 864, respectively, during interconnection of the male connector 802 with the female connector 852 (much in the same way that the access holes 178, 180 of female connector 152, described above, are used). As shown in
The rectangular opening (i.e. the receiving end) of receptacle 856 may have opposed reinforced lips 857 and 859. These lips may be formed by bending sheet metal from which the connector 852 is made back and under the plate 854, for example. Each reinforced lip may help to support a weight of edges 826, 838 or edges 828, 838 of the tapered protrusion 806 of the male connector 802 during centering of the male connector 802 with the female connector 852 in the Y dimension (see
Interconnection of connectors 802 and 852 is performed in a similar manner to the interconnection of connectors 102, 152, which is shown in
Once centering in the Y dimension has been achieved, the tapered protrusion 806 of the male connector 802 abruptly seats within the receptacle 856. This is by virtue of the untapered upper portions 813, 815 of the walls 812, 814 of the tapered protrusion 806, which allow the male connector to suddenly drop, in the Z dimension, fully into the receptacle 856 of the female connector 852. This drop may provide a human installer with tactile feedback of the centering having been achieved. When this occurs, the resilient wings 862, 864 of the receptacle 856 spread or deform slightly outwardly as the tabs 822, 824 of the tapered protrusion 806 force themselves between the inner surfaces of wings 862, 864 the Z dimension. When the tabs 822, 824 have aligned with slots 871, 873, indicating that the connectors 806 and 856 have been fully mated, the resilient wings spring back into their original, non-deformed position, with the slots snapping into place onto the tabs. The resulting engaged snap-fit is shown in cross-sectional view in
As illustrated, the male connector 802 is now joined to the female connector 852, even before any fasteners, such as screws 890, have been inserted into receptor pairs 832, 872 or 834, 874. By virtue of the snap-fit, further movement of one connector in relation to the other, in the X, Y or Z dimension, is substantially limited or prevented, corresponding receptors 822, 872 and 824, 864 may be in alignment. This may facilitate interconnection using the fasteners. To the extent that connectors are oriented vertically during use (i.e. with the Z dimension of
To the extent that it is desired to disconnect the male connector 802 from the female connector 852 (before any fastener 890 has been inserted), then it is possible to do so using one or more screws (not shown) in holes 833, 835, 883 or 885. The number of screws, and the choice of which holes 833, 835, 883, and/or 885, are to be used for this purpose may vary.
In the case of hole 833 or 835 (see
In the case of hole 883 or 885, the screw is inserted into the hole from below via access hole 878 or 880 respectively. As the screw is threaded through the hole 883 or 885 in resilient wing 862 or 864, the tip begins to emerge from the other side. At this point, the tip of the screw will impact upon an exterior face of one of the sloped walls 812 or 814 of the male connector (again given that the holes 883, 885 are intentionally misaligned with holes 833, 835 of the male connector 802). Because the walls 812 and 814 are not resilient, the resilient wing 862 or 864 through which the screw is being threaded will begin to deform outwardly. When the screw is inserted sufficiently far, the relevant slot 871, 873 will be backed away fully from the relevant tab 822, 824, and the snap-fit mechanism may thereby be disengaged, at least on that side (which may be sufficient for separating the male connector 802 from the female connector 852).
Once the snap-fit has been disengaged and the connectors 802, 852 separated, any screw(s) used to disengage the snap-fit may be removed. The connectors 802 and 852 may then be re-used.
The design of connector system 800 may facilitate manufacture, e.g. by possibly reducing the number of steps in stamping when the connectors 802, 852 are made from sheet metal.
It will be appreciated that the various features described above in conjunction with particular embodiments may be selectively incorporated into alternative embodiments. That is to say, when an embodiment is described as having a particular feature, that feature may also form a part of another embodiment. For example, the tapered protrusion 106 of the male connector embodiments shown in
As will be appreciated, the male and female connectors described herein may be attached to, or integrally formed with, various types of building components including framing members, component panels, structural panels or the like. That is to say, the connector system described herein can be used with virtually any building components used for prefabricated, module or component housing. Such components Such components typically consist of either a framing structure (e.g. wood framing, light steel framing) or a structural panel and may contain any of the following components: light steel framing, wood framing, electrical components or wiring, plumbing components, insulation, doors, windows, lighting, HVAC ducting, roofing material, vapor barrier, vapor retarders, external cladding, internal cladding such as plasterboard and/or tiling. Each building component can vary in size depending on building design. For example, component panels or structural panels may range from 0.3 meters to 6.0 meters long by 2.4 meters high and 0.1 meters to 0.25 meters thick. These ranges of numbers are exemplary and are not necessarily applicable to all embodiments, although the above numbers may advantageously maximize shipping container usage of conventionally sized shipping containers.
The connector system may help reduce the need for skilled labour on site by permitting quick assembly of prefabricated components on site. For example, it may be possible to assemble prefabricated walls or panels to a lockup stage in a single day. The term “lockup stage” refers to a stage of completion in building construction wherein walls, ceiling and roofing have been applied, providing the ability to lock the building. The connector system may permit quick assembly with completed finished wall systems. The male and female connectors may be compatible with existing construction techniques and tooling, possibly requiring only a single conventional tool (e.g. screwdriver or rivet gun) and conventional fasteners (e.g. screws or rivets) for assembly. The fasteners may be removable (e.g. screws) or permanent (e.g. rivets, such as blind or pop rivets). The receptors may or may not be threaded. The connector system may be used equally easily with light steel frame construction and wood frame construction.
It will be appreciated that the various features described above in conjunction with particular embodiments may be selectively incorporated into alternative embodiments. That is to say, when an embodiment is described as having a particular feature, that feature may also form a part of another embodiment. For example, the tapered protrusion 106 of the male connector embodiments shown in
It will be appreciated that any of the male and female connectors described above may be attached to prefabricated structural panels, such as pre-cladded wall panels, or other building components to create modular structural of various types that may be interconnected in various ways to create a building structure. By attaching, say, a pair male connectors, spaced apart, on each of a bottom and right side edge of a uniform structural panel, and by further attaching, say, a pair of female connectors, similarly spaced apart, on each of the top and left side edge of the structural panel, it may be possible for multiple instances of such a structural panel to be connected, edge-to-edge, horizontally and/or vertically. Anticipated loads on the structure may dictate the number of connectors that should be used to promote structural integrity for a particular construction project. A structure such as a house may have many structural panels of varying sizes. In one embodiment, they can be, e.g., up to 6 meters long and 2.4 m high. A single male or female connector on an edge of a panel or other building component may be sufficient in some cases, e.g. for lightweight or small panels or other types of building components.
Other modifications may be apparent to those skilled in the art and, therefore, the invention is defined in the claims.
This application claims priority to copending Patent Cooperation Treat Application PCT/CA2012/000363, Publication No. WO2013155587 A1, filed on Apr. 16, 2012, which is hereby incorporated by reference for all purposes.
Number | Date | Country | |
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Parent | PCT/CA2012/000363 | Apr 2012 | US |
Child | 14514889 | US |