BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings:
FIG. 1 is a perspective view of a portion of a metal wall framing channel member constructed in accordance with the invention;
FIG. 1A is a partial central longitudinal sectional view taken through a first embodiment of a retainer member;
FIG. 1B is a view similar to FIG. 1A showing an alternative embodiment of a retainer member;
FIG. 2 is a perspective view of a bottom portion of a stud constructed in accordance with the invention;
FIG. 2A is a perspective view of the stud of FIG. 2 interconnected to the channel member of FIG. 1;
FIG. 3 is a top plan view of FIG. 2A;
FIG. 4 is a perspective view of an alternative embodiment of the stud of FIG. 2 connected to an alternative embodiment of the channel of FIG. 1;
FIG. 4A is a view similar to FIG. 4 showing another embodiment of the invention;
FIG. 4B is a top plan view of FIG. 4A;
FIG. 5 is a schematic perspective view of the stud and channel of FIG. 2A provided with a vertically sliding extender;
FIG. 5A is a perspective view of an alternative embodiment of the extender of FIG. 5;
FIG. 6 is a partial view of the extender of FIG. 5A interconnected to an alternative embodiment of an upper channel member;
FIG. 7 is a view similar to FIG. 6 showing another embodiment of an extender connected to an upper channel member similar to that shown in FIG. 4;
FIG. 8 is a partial perspective view of a wall frame constructed in accordance with the invention and showing the use of a pair of horizontally disposed space bars;
FIG. 8A is a top plan view of a portion of one of the spacer bars of FIG. 8;
FIG. 9 is a partial perspective view of another embodiment of a stud constructed in accordance with the invention and formed with a socket struck out from the central column of the stud;
FIG. 10 is a view similar to FIG. 9 showing another embodiment of socket construction and a stud having an indented portion formed along one or both side walls;
FIG. 11 is a schematic view similar to FIG. 9 showing a spacer bar interconnected to a stud constructed with an alternative embodiment of the socket of FIG. 9;
FIG. 12 is a partial schematic top plan view of a pair of spacer bars aligned with a channel member having sockets for receiving each spacer;
FIG. 13 is a partial perspective view of a spacer bar formed with an alternative embodiment of a socket;
FIG. 14 is a partial schematic top plan view of a spacer bar provided with an alternative tongue configuration for insertion within the socket of FIG. 13;
FIG. 15 is a partial perspective view of a series of studs spaced apart and mutually braced by an alternative embodiment of spacer bar and an alternative embodiment of sockets formed on the studs as shown in FIG. 10;
FIG. 16 is a perspective view of a portion of a metal wall framing channel member showing a rounded tab stop member constructed in accordance with the invention;
FIG. 17 is a perspective view of a portion of a metal wall framing channel member showing a rounded retainer member constructed in accordance with the invention;
FIG. 18 is a perspective view of a portion of a metal wall framing channel member showing flexible clips constructed in accordance with the invention;
FIG. 18A is a top plan view of FIG. 18;
FIG. 19 shows a tabbed retainer member in an upper channel member;
FIG. 20 shows an alternative embodiment of the extender of FIG. 5A;
FIG. 21 shows another alternative embodiment of the extender of FIG. 5A;
FIG. 22 shows another alternative embodiment of the extender of FIG. 5A;
FIG. 23 shows an alternative embodiment of the retaining member of FIG. 1B;
FIGS. 24-29 show details of an arrangement that can be used as an alternative to that shown in FIG. 8;
FIG. 30 is a perspective view of a portion of a metal wall framing channel member constructed in accordance with the invention as an alternative to that of FIG. 1; and
FIG. 31 provides side, front, and top views of the exemplary embodiment of FIG. 29.
In the various figures of the drawings, like reference characters designate like or similar parts.
DETAILED DESCRIPTION OF THE INVENTION
The present invention will now be described in conjunction with the drawings, beginning with FIG. 1, which shows a channel member 10 constructed in accordance with the invention. The channel member 10 is adapted to be installed in a known manner on a lower support surface such as a floor. An identical second or upper channel member 10 is typically installed in a known manner on an overhead support surface such as a ceiling. The upper and lower channel members are aligned parallel with one another and typically aligned within a common vertical plane.
The channel member 10 includes a flat, longitudinally-extending central floor 12 and a pair of upstanding parallel side walls 14 that are bent upwardly at right angles from each side of the floor 12. The channel member 10 is formed of a sheet metal material such as steel. A stud locator or stop member in the form of a tab 16 is struck or punched upwardly from the channel floor 12, leaving behind an open aperture 18 in the floor 12. As shown in FIG. 1, the tab is squared-off to provide a large surface area as a stop member for the stud. Alternatively, as shown in FIG. 16, the tab 16 can be rounded, so as to make it less likely that a worker will be cut by the tab or that clothing will be snagged during installation.
Preferably, the tab 16 is aligned vertically perpendicular to the floor 12 and laterally or transversely perpendicular to each side wall 14. In this manner, the tab 16 is square with both the floor and side walls of the channel member. A series of longitudinally-spaced tabs 16 is formed in the channel member 10, with each tab located at regular intervals. The tabs 16 can be located at predetermined longitudinal spacings of, for example, 16 and/or 24 inches.
One or more retaining members 20 are also struck out or punched up from the channel floor 12, leaving behind an open aperture 22 in the floor 12. As shown in FIG. 1, a pair of tapered, pointed retainer members is laterally spaced on each side of the tab 16. The retainer members can be ramped upwardly from the floor 12 as shown in FIG. 1A, or can be formed in an “L” shape as shown in FIG. 1B. As shown in FIG. 1, the retainer members are pointed to provide an easy insertion through slots in the stud. Alternatively, as shown in FIG. 17, the retainer members 20 can have rounded tips, so as to make it less likely that a worker will be cut by the retainer member or that clothing will be snagged during installation.
As shown in FIG. 1B, the base 24 of the retainer 20 is aligned perpendicularly upwardly from the floor 12 of the channel member 10 and is located at substantially the same longitudinal position on the floor 12 as is the tab 16. A leg 26 extends from the base 24 on the retainer 20 and is bent back over the floor 12 and is aligned substantially parallel with the floor 12. Alternatively, as shown in FIG. 23, the retaining members 20 can be formed directly above the aperture 22, for example by shearing and forming the retaining member in a direction straight up from the channel floor 12.
As also shown in FIG. 1, a cut, notched, perforated, or otherwise weakened crimp portion 28 is formed along one or both sidewalls 14. As shown, a pair of rectangular crimp portions 28 is formed along the top edge 29 of each side wall 14. Each crimp portion 28 is longitudinally spaced a predetermined distance away from each tab 16 to allow the crimp portions 28 to be squeezed or crimped inwardly toward each other in order to hold a stud in place within the channel member 10, as described more fully below. Alternatively, a flexible clip 104 can be used in place of the crimp portion 28, as shown in FIG. 18 and as described more completely below.
As shown in FIG. 2, a stud 30 is formed of a metal material, such as steel, in accordance with the invention. The stud 30 includes a central column portion 32 and a pair of parallel side walls 34 projecting perpendicularly from the column portion. An inturned lip 36 is formed on the outer end portion of each side wall 34. One or more alignment slots 38 are formed through the end portion 40 of the stud 30 for receiving and interconnecting with one or more of the retainer members 20 on the channel member 10.
As can be appreciated from a review of FIG. 2A, the stud 30 is fitted between the side walls 14 of the channel member 10 with the bottom edge of the stud making sliding contact against the channel floor 12 and with the side walls 34 of the stud making sliding contact against the side walls 14 of the channel member. As the stud 30 approaches the tab 16 on the channel member 10, the tips of the retainer members 20 enter the alignment slots 38 in the stud 30.
When the stud is fully and properly butted flat against the tab 16, it is also fully seated against the retainer members 20. In the example of the retainer member 20 of FIG. 3, the rear face of the column portion 32 abuts the tab 16 as well as the base 24 of each retainer member 20. Once this three-position contact has been achieved, the stud 30 is properly and fully aligned and seated within the channel member 10.
At this point, the crimp portions 28 are bent inwardly from the side walls 14 of channel member 10 to form locking members 44. An open notch 46 is thus formed in the top edge 29 of each side wall 14. The locking members 44 can be closely spaced from the lips 36 on the stud 30 or in contact with the lips 36.
Alternatively, flexible clips 104 can be used in place of the locking members 44 to hold the stud in place. As shown in FIG. 18, these clips 104 are substantially rectangular in shape, with one side of the clip defined by the upper edge of the sidewall 14. The lower side 106, parallel to the upper edge of the sidewall, and the transverse edge 108, closer to the stud 30, are both at least partially separated from the sidewall, and bend inward, hinged at the transverse edge 110 farther from the stud 30. The hinge functionality of the distal transverse edge 110 can be provided by the natural bend of the unbroken connection of that edge 110 to the channel sidewall 14. Alternatively, the distal edge 110 can be scored or perforated, or can be thinned along a line that is intended to function as a hinge, or can be modified in any known fashion to provide an easy bend to the clip 104.
The edge 108 of the clip 104 encroaching within the channel member 10 prevents movement of the stud 30 along the longitudinal direction of the channel in much the same manner as the locking members 44. FIG. 18A is a top plan view of a section of channel, clearly showing a bent clip 104, with a leading edge 108 jutting out within the channel member 10. The flexible clips 104 shown in FIG. 18 provide advantages over use of the locking members 44 in that more precise and uniform blocking means is provided, it is easier to bend the flexible clip than it is to crimp over the locking members, saving time and effort in assembling the stud system, and bending the flexible clips into position provides less opportunity for injury to a person assembling the stud system. It is intended that any description of the present invention including the locking members 44 or crimp portions 28 applies correspondingly to the alternative embodiment of FIG. 18, that is, an embodiment in which the flexible clips 104 replace the crimp portions 28 and locking members 44.
FIG. 29 shows an alternative placement of the clip 104. As shown, the clip 104a can be struck or otherwise formed from an intermediate portion of the sidewall, rather than at the upper edge of the sidewall as described above. Either arrangement of the clip 104, 104a can be used alone, or both can be used at the same area of the channel 12 if desired. FIG. 30 shows alternative views of the section of the channel member shown in FIG. 29.
The general spacing of the interconnected channel member 10 and the stud 30 is shown in FIG. 3 wherein the stud is held in position vertically by the retainer members 20, held laterally by contact with the side walls 14 and locked longitudinally by abutment in one direction with the tab 16 and in the other by abutment with the locking members 44 or the flexible clips 104.
A variation of this positioning, locating, aligning, and locking stud and channel framing system is shown in FIG. 4 wherein the retainer members 20 are struck out from the side walls 14 of the channel member 10 and extend inwardly over the floor 12 of the channel member. The stud 30 is modified to locate the elongated alignment slots 38 in a vertical orientation in order to receive and mate with the retainer members 20. The tab 16 is arranged as in the prior example, and crimp portions 28 or flexible clips 104 are formed in side walls 14 as in the prior example.
A further variation of the invention is shown in FIGS. 4A and 4B wherein the retainer members 20 enter the vertical slots 38 through the inside surface 50 of the channel member 10 rather than through the outside or back side 52 as shown in FIG. 4. In the example of FIG. 4, the back side 52 is slid into and against the retainer members 20 in the direction of the arrow 54. In the example of FIGS. 4A and 4B, the inside surface 50 is slid into and against the retainer members 20 in the direction of the arrow 56.
In the example of FIG. 4A, a cut-out portion 58 can be formed in each lip 36 for providing clearance for the passage of the retainer members 20 through the lips 36. Alternatively, as shown in FIG. 4B, the base 24 of the retainer members can be dimensioned to extend into the channel member to provide clearance of the leg 26 over the lip 36. The crimp portions 28 or flexible clips 104 are formed adjacent to the lips 36 in FIG. 4 and adjacent to the back surface 52 and to the slots 38 in FIGS. 4A and 4B.
In each of the prior examples, a pair of identical channel members 10 is aligned with one channel member directly above another. One channel member can be attached by fasteners to a floor and the other similarly attached to a ceiling. The tabs 16 on each channel member are vertically aligned one directly over the other and the channel members are carefully plumbed longitudinally parallel with one another as well.
The aligned channel members provide for the accurate vertically-plumbed alignment of the studs when the studs are pushed against a pair of aligned tabs 16, one tab being on the upper channel member and one on the lower channel member. In this case, the alignment slots 38 on each opposite end of the stud 30 are identical so that both ends of the studs are aligned by sliding the studs against a pair of stops or tabs 16 and interengaging the slots 38 with the retainer members 20 on each channel member 10. The crimp portions 28 or flexible clips 104 are then bent inwardly as described above.
A further embodiment of the invention is shown in FIG. 5, wherein the lower end of the stud 30 is the same as that shown in any of the prior examples and in this case, as shown in FIG. 2. The channel member 10 is shown as in FIG. 1 to match the slot pattern on the stud. What is different about the stud 30 in FIG. 5 is the addition of an extender member 60, which is telescopically held within and between the side walls 34 of the top portion 62 of the stud 30.
Rather than secure the upper or top portion 62 of the stud 30 directly to an overhead channel member 10, the extender 60 is adjusted vertically by sliding within the top portion 62 to engage the tabs 16 and the retainer members 20 on the channel member 10. The lower side walls 64 on the extender 60 have more compact dimensions than the upper portion 66, to form a snug sliding friction-fit against the side walls 34 of the top portion 62. The area between the lower side walls 64 and the upper portion 66 can be slightly tapered to provide a suitable transition in dimension. This prevents the extender from having a loose slack fit within the stud 30.
The upper portion 66 of the extender 60 can be transversely or laterally enlarged along the outwardly tapered portions 68 to prevent the extender 60 from sliding completely into the stud 30 by interfering with or abutting against the top edge 70 of the stud 30. As further seen in FIG. 5, the extender 60 is formed with a pair of upper alignment slots 72 and a pair of lower alignment slots 74.
Normally, the lower alignment slots 74 are engaged with the retainer members 20 on an upper channel member 10 attached to a ceiling. The retainer members 20 are thus spaced below the ceiling on which the upper channel member is fastened and spaced below the floor 12 of the upper channel member 10. With this arrangement, the top edge 78 of the extender 60 fits snugly against the floor 12 of the upper channel member. When the upper slots 72 are engaged with the retainer members 20, the top edge 78 of the extender 60 is spaced a small distance below the floor 12 of the upper channel member. This spacing accommodates settling of the ceiling and floors of the building structure and/or allows for additional loading which can compress and lower a ceiling.
When a stud 30 is attached directly to an upper channel member without an extender 60, it is suitable for use in load-bearing walls, providing the gauge of the metal stud meets the strength requirements for a load-bearing partition. However, when the extender 60 is used, it is loosely telescopically positioned within the stud and as such is not suitable for use in load-bearing walls.
As shown in FIG. 5A, the pairs of upper and lower alignment slots 72, 74 of FIG. 5 can each be replaced with a single elongated slot 72, 74. This single slot concept can also be used in place of the alignment slots 38 formed on the stud 30. In these cases, the retainer members 20 can be replaced with a single wider retainer that extends across substantially the entire width of each single elongated alignment slot. As shown in FIG. 19, a tab can be struck out of the upper channel member 10 and bent over, to be used as a retainer member 20. Alternatively, as shown in FIGS. 32 and 33, the tab can be struck up and out from the channel member 10.
The extender 60 of FIG. 5A is shown in FIG. 6 mounted to an upper channel member 10 having a large single retainer member struck out from the floor 12 of the channel member and inserted through the upper alignment slot 72 on the extender 60. The extender 60 is formed with a push hole 80 to allow an installer to push the extender 60 upwardly with a rod or the like engaged within the hole 80 while pushing the lower end of the stud 30 against a tab 16 as shown in FIG. 5 and inserting the retainer members 20 through the stud slots 38. This can be done without the use of a ladder, with an installer standing on the floor.
In an alternative embodiment, shown in FIG. 20, the extender 60 can fit over the stud 30 rather than into the stud. In this embodiment, the wall system may be able to bear heavier loads than the embodiment of FIG. 5A. Similar to the previous embodiment, the extender 60 is adjusted vertically by sliding over the top portion 62 to engage the retainer members 20 on the upper channel member 10. The upper portion 66 on the extender 60 has more compact dimensions than the lower side walls 64, to form a snug sliding friction-fit over the side walls 34 of the top portion 62. The section between the lower side walls 64 and the upper portion 66 can be slightly tapered to provide a suitable transition in dimension.
In another alternative embodiment, shown in FIG. 21, the extender 60 again fits into the stud 30. The extender 60 is adjusted vertically by sliding into the top portion 62 to engage the retainer members 20 on the upper channel member 10. The lower side walls 64 on the extender 60 can be slightly tapered, preferably in a regular transition over substantially the length of the lower side walls 64 to form a snug sliding friction-fit within the side walls 34 of the top portion 62. The tapering of the sidewalls 64 provides a small enough dimension at the bottom such that the extender 60 can be inserted within the stud 30. Preferably, the upper portion 66 is not tapered, and is substantially parallel to the side walls 34 of the top portion 62.
In another alternative embodiment, shown in FIG. 22, the extender 60 fits over the stud 30. In this embodiment, the wall system may be able to bear heavier loads than the embodiment of FIG. 5A. The extender 60 is adjusted vertically by sliding into the top portion 62 to engage the retainer members 20 on the upper channel member 10. The lower side walls 64 on the extender 60 can be slightly tapered, preferably in a regular transition over substantially the length of the lower side walls 64 to form a snug sliding friction-fit over the side walls 34 of the top portion 62. The tapering of the sidewalls 64 provides a large enough dimension at the bottom such that the extender 60 can fit over the stud 30. Preferably, the upper portion 66 is not tapered, and is substantially parallel to the side walls 34 of the top portion 62.
A variation of the horizontally- or transversely-elongated alignment slots 72, 74 of FIG. 5 is shown in FIG. 7 wherein the alignment slots 72, 74 are elongated vertically and the mating retainer members 20 are formed as in FIG. 4. Alternatively, push holes 80 can be formed in the side walls 64 of extender 60.
In each of the embodiments discussed above, the upper and lower portions of each stud 30 are secured in place between the upper and lower channels 10 and held in place by stops such as tabs 16 which are accurately positioned on, for example, 16-inch or 24-inch spacings. An alternative embodiment of this arrangement is to secure the bottom portion of each stud 30 as described in any of the examples above, but to allow the upper portion of each stud to slide longitudinally within the upper channel member without being locked in place.
This can be achieved by eliminating the tabs 16 from the upper channel member 10. One or more “L” shaped retainer members 20 as shown in FIG. 1B serve as the stop against which the stud is positioned. The base 24 of the retainer member 20 acts as a stop-like tab 16, and the leg 26 of the retainer member 20 acts as a longitudinally-extending guide over which the top portion of the stud 30 or the extender 60 freely slides.
In this embodiment, the upper channel member 10 need not be accurately aligned horizontally from wall to wall with the lower channel member 10. The lower channel member 10 is spaced and positioned where desired and the upper channel member 10 is simply approximately located above the lower channel member. Although the upper and lower channel members are aligned vertically in a common plane, they are not necessarily spaced and aligned accurately on 16-inch or 24-inch centers with one another. This allows for wall variations that may be wider on top than at the bottom or vice versa.
In this case, the lower ends of the studs 30 are secured within a channel member 10 as discussed in connection with the previous embodiments. The upper ends of the studs 30 (or the extenders 60) are simply slid onto the retainer members 20 and left to freely slide or “float” along the length of the retainer legs 26. Accurate spacing of the studs 30 can still be achieved, however, by the use of one or more central spacer or bracer bars 84 as shown in FIG. 8. It is important to note that the use of such spacer bars is advantageous when constructing load-bearing walls, or in commercial applications. However, for residential, non-load-bearing applications, these spacer bars are not necessary, although they can be optionally provided.
In FIG. 8, the upper ends of the studs 30 are provided with extenders 60 that are free to slide longitudinally or “float” along the retainer members 20 as noted above. The lower end of each stud 30 is positioned and locked in place as in FIG. 2A. After two or three of the studs 30 are so arranged and placed in the upper and lower channel members 10, one or more spacer bars 84 are connected to the central or middle portion 86 of each stud 30.
As shown in FIGS. 8 and 8A, each spacer bar 84 has a series of accurately-spaced tongue members 88 struck out of the sheet metal spacer material, leaving behind an opening 90. The tongue members are spaced apart, for example, on 16-inch and/or 24-inch centers, and are dimensioned to fit or snap within receiving members or sockets formed on the studs 30.
FIGS. 24-29 show details of arrangements that can be used as alternatives to the arrangement shown in FIG. 8. As shown, connections of the spacer bar 84 to the studs 30 and of the studs 30 to the upper and lower channel members 10 are made differently. For example, tabs struck out and over from the horizontal spacer bar at measured intervals can be inserted into vertical slots in the studs. Likewise, tabs struck down and back from the upper channel can be inserted into horizontal slots at the tops of the studs. It will be apparent to those of skill in the art that other alternative connections and coupling arrangements can be utilized without departing from the spirit and scope of the invention as described and claimed herein, and the exemplary embodiments shown in FIGS. 24-29 are non-limiting examples. Further, some exemplary dimensions are shown in these drawings, which are included to provide an exemplary idea of scale and are not intended to be limitations on the useful dimensions contemplated for these or other disclosed or undisclosed embodiments.
One example of such receiving members is shown in FIG. 9 wherein a vertically, elongated receiving slot 92 is punched through the side wall 34 of the stud 30 directly and immediately adjacent to the inner surface 50 of the channel member 10. Arched-shaped bands or loops 94 are punched through the central column portion 32 of the stud 30 from the outer surface or back side 52 toward the inner surface 50 to form a socket 96 that receives the free end 98 of the tongue members 88.
The socket 96 is dimensioned to receive each tongue member 88 with a tight locking fit or a snap fit. While the tongue members in FIGS. 8 and 8A are shown having a rectangular shape, they can also be formed having a triangular shape similar to the retainer members 20 shown in FIG. 1. Although only one spacer bar 84 is required, two can be used, as shown in FIG. 8, attached to opposite side walls 34 of each stud 30.
A further variation of the spacer bar assembly is shown in FIG. 10, wherein a rectangular indented or recessed portion 100 is formed in the side wall 34 of the stud 30 adjacent to a pair of sockets 96. The recessed portion 100 receives the flat spacer bar 84 with a flush fit so that the spacer bar does not extend outwardly from the plane of the side wall 34, or extends only slightly outwardly. In either case, the spacer bar 84 will not interfere with the placement of drywall.
A variation of the socket 96 of FIG. 9 is shown in FIG. 11, wherein one or more loops or bands 94 are struck out from the central column portion 32 from the inner face 50 of the stud 30 toward its outer face 52. In this manner, the bands 94 project from the outer face 52 and therefore the receiving slot 92 of FIG. 9 is not required.
In FIG. 12, a pair of spacers 84 is shown aligned for insertion within two pairs of sockets 96 formed on the outer side or backside 52 of the column portion 32. In FIGS. 13 and 14 the spacer bar 84 is formed with an L-shaped tongue member 88 and the stud 30 is formed with a single elongated slot 102 for receiving the tongue member 88.
As shown in FIG. 15, two triangular tongue members 88 are struck out perpendicularly from the spacer bar 84 to enter a pair of receiving slots formed in the sidewalls 34 in the same manner as the receiving slots 92 shown in FIG. 9.
There has been disclosed heretofore the best embodiment of the invention presently contemplated. However, it is to be understood that the various changes and modifications may be made thereto without departing from the spirit and scope of the invention as set forth in the appended claims.