CA2838351A1 - Slotted track - Google Patents
Slotted track Download PDFInfo
- Publication number
- CA2838351A1 CA2838351A1 CA2838351A CA2838351A CA2838351A1 CA 2838351 A1 CA2838351 A1 CA 2838351A1 CA 2838351 A CA2838351 A CA 2838351A CA 2838351 A CA2838351 A CA 2838351A CA 2838351 A1 CA2838351 A1 CA 2838351A1
- Authority
- CA
- Canada
- Prior art keywords
- track
- slotted track
- flanges
- slots
- studs
- 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.)
- Abandoned
Links
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000007613 environmental effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
- E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
- E04B2/766—T-connections
- E04B2/767—Connections between wall studs and upper or lower locating rails
- E04B2/768—Connections between wall studs and upper or lower locating rails allowing vertical movement of upper rail with respect to the stud, e.g. by using slots in the rail or stud
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0473—U- or C-shaped
Abstract
A slotted track for use as a top track in metal stud framed walls, which allow for movement of the studs as they expand and contract owing to environmental conditions, the slotted track having a web and flanges extending perpendicularly along opposite edges of the web, the flanges being provided with slots at regular intervals along the length of the flanges to accept shanks of fastening means to attach the slotted track to the studs, the slots having a width of 0.2" or less to increase the area of contact between a head of the fastening means and the material of the flange either side of the slot to increase the resistance of the flange to deformation under extreme load conditions.
Description
TITLE: SLOTTED TRACK
FIELD OF TAE INVENTION
The present invention is directed to a slotted track for =
metal stud walls which allows for movement of the studs as they expand and contract owing to environmental conditions. = In particular, the present invention relates to a slotted track metal stud wall having a slot of 0.2' or less, just slightly larger than the diameter of a shank of a fastening means utilized to attach the studs to the track to reduce deformation of the slots of the track under load.
BACKGROUND OF THE INVENTION
Metal stud walls are commonly used particularly in commercial, institutional and industrial construction including in multi-level buildings because of their fire-resistance and non-warping characteristics, Such stud walls generally have a bottam and top track attached to the floor and ceiling, respectively and a plurality of spaced apart studs extending vertically between the tracks. In a typical installation, the studs are spaced = 16 or 24" apart to accommodate the 4' widths of wall covering materials such as drywall or other sheet = material. In multi-level buildings such as apartment buildings or office buildings it is common to install = fire-resistance rated non-load bearing light weight steel = 30 framed walls. It is also common to provide the walls with a joint capable of allowing vertical movement of the studs which may be caused by thermal, seismic, wind loading or any other load. One common method of providing for a joint capable of vertical movement =
1'.3i/CA
utilizes a slotted top track for the wall, the web Of the track being attached to the ceiling and the flanges of the track being provided with slots typically ;4" wide by 1 '.long spaced every 1" along the length of the track.
The studs are generally cut to a length less than the full height typically to provide about a 5/8" deflection gap between the to of the stud and the web of the top =
= track. The stud is attached to the top track by means of 'wafer head framing.screws inserted through the slot and .10 into the flange of the stud. The screws are typically.
installed at the midpoint height of the slot: This typically allows for a total vertical movement of the stud of about 1". .
=
While the prior art installation allow for movement of the vertical stud, the sizing of, the slot relative to the =
shank diameter and head diameter of the fastening screws = can allow for deformation at the point of attachment to the slot and allow for failure of the connection on extreme loading conditions. It would thus be desired to provide for a connection between the slotted track and = stud which increases the contact between the fastener and the slotted track to. reduce the possibility of failure of the connection under extreme load conditions.
SUMMARY OF THE INVENTION =
A slotted track for use as a top track in metal stud framed walls, which allow for movement of the studs as = they expand and contract .owing to environmental conditions, the slotted track having a web and flanges extending perpendicularly along opposite edges of the web, the flanges being provided with slots at regular intervals along the length of the flanges to accept shanks of fastening means to attach the slotted track to
FIELD OF TAE INVENTION
The present invention is directed to a slotted track for =
metal stud walls which allows for movement of the studs as they expand and contract owing to environmental conditions. = In particular, the present invention relates to a slotted track metal stud wall having a slot of 0.2' or less, just slightly larger than the diameter of a shank of a fastening means utilized to attach the studs to the track to reduce deformation of the slots of the track under load.
BACKGROUND OF THE INVENTION
Metal stud walls are commonly used particularly in commercial, institutional and industrial construction including in multi-level buildings because of their fire-resistance and non-warping characteristics, Such stud walls generally have a bottam and top track attached to the floor and ceiling, respectively and a plurality of spaced apart studs extending vertically between the tracks. In a typical installation, the studs are spaced = 16 or 24" apart to accommodate the 4' widths of wall covering materials such as drywall or other sheet = material. In multi-level buildings such as apartment buildings or office buildings it is common to install = fire-resistance rated non-load bearing light weight steel = 30 framed walls. It is also common to provide the walls with a joint capable of allowing vertical movement of the studs which may be caused by thermal, seismic, wind loading or any other load. One common method of providing for a joint capable of vertical movement =
1'.3i/CA
utilizes a slotted top track for the wall, the web Of the track being attached to the ceiling and the flanges of the track being provided with slots typically ;4" wide by 1 '.long spaced every 1" along the length of the track.
The studs are generally cut to a length less than the full height typically to provide about a 5/8" deflection gap between the to of the stud and the web of the top =
= track. The stud is attached to the top track by means of 'wafer head framing.screws inserted through the slot and .10 into the flange of the stud. The screws are typically.
installed at the midpoint height of the slot: This typically allows for a total vertical movement of the stud of about 1". .
=
While the prior art installation allow for movement of the vertical stud, the sizing of, the slot relative to the =
shank diameter and head diameter of the fastening screws = can allow for deformation at the point of attachment to the slot and allow for failure of the connection on extreme loading conditions. It would thus be desired to provide for a connection between the slotted track and = stud which increases the contact between the fastener and the slotted track to. reduce the possibility of failure of the connection under extreme load conditions.
SUMMARY OF THE INVENTION =
A slotted track for use as a top track in metal stud framed walls, which allow for movement of the studs as = they expand and contract .owing to environmental conditions, the slotted track having a web and flanges extending perpendicularly along opposite edges of the web, the flanges being provided with slots at regular intervals along the length of the flanges to accept shanks of fastening means to attach the slotted track to
2 1..ib/toCA
the studs, the slots haVing a width of 0.2" or less to increase the area of contact between a head of the fastening means and the material of the flange either side of the slot to increase the resistance of the flange to deformation under extreme load conditions.
A slotted track according to claim 1 wherein the width of the slots is 0.195 inches.
A slotted track according to claim 2 wherein the flanges = have a height of 2 le and the slots have a height of 1 , BRIEF DESCRIPTION OF THE DRAWINGS .
Preferred embodiments of the slotted track of the present invention are illustrated in the attached drawings in which:
Figure 1 is a perspective view of the slotted track in the process of installing a stud in the track;
. . Figure 2 is a perspective view of the .joint between the slotted track and the stud;
= 25 Figure 3 is an end view in cross-section of the connection between the slotted track and the stud; and = .Figure 4 is a top view in cross-section of the connection between the 'slott'ed track and the stud.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
=
A preferred enibodiment of the slotted track of the present invention is illustrated in the drawings
the studs, the slots haVing a width of 0.2" or less to increase the area of contact between a head of the fastening means and the material of the flange either side of the slot to increase the resistance of the flange to deformation under extreme load conditions.
A slotted track according to claim 1 wherein the width of the slots is 0.195 inches.
A slotted track according to claim 2 wherein the flanges = have a height of 2 le and the slots have a height of 1 , BRIEF DESCRIPTION OF THE DRAWINGS .
Preferred embodiments of the slotted track of the present invention are illustrated in the attached drawings in which:
Figure 1 is a perspective view of the slotted track in the process of installing a stud in the track;
. . Figure 2 is a perspective view of the .joint between the slotted track and the stud;
= 25 Figure 3 is an end view in cross-section of the connection between the slotted track and the stud; and = .Figure 4 is a top view in cross-section of the connection between the 'slott'ed track and the stud.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
=
A preferred enibodiment of the slotted track of the present invention is illustrated in the drawings
3 generally indicated by the numeral 10. The slotted track which is for use as a top track in metal stud walls has a web 12 and flanges 14'extending downwardly from either side of the web. Generally the webs are 2 1/2, 35/8, 4, 6 or 8" wide and the flanges are typically 2 ;1". in = height. The flanges 14 are provided with slots generally at 1" intervals along the length thereof. The vertical slots are 0.2' or less in width and generally about.1 long.
= As illustrated in particular in the figures,, the wall is generally constructed by attaching the top slotted track 10 to the ceiling and a bottom.track (not.shown) to the floor and .studs 18 are installed at regular intervals along the tracks typically 16 or 24" on center. Studs 18 are the typical metal stud construction of a U-shape having a web 20 and opposing flanges 22 extending perpendicularly along either side of the web. The other edge of the flange is typically provided with an inwardly turned edge 24 both for strength and to provide a finished edge to the stud. Typical studs zre 2 3 5/8,
= As illustrated in particular in the figures,, the wall is generally constructed by attaching the top slotted track 10 to the ceiling and a bottom.track (not.shown) to the floor and .studs 18 are installed at regular intervals along the tracks typically 16 or 24" on center. Studs 18 are the typical metal stud construction of a U-shape having a web 20 and opposing flanges 22 extending perpendicularly along either side of the web. The other edge of the flange is typically provided with an inwardly turned edge 24 both for strength and to provide a finished edge to the stud. Typical studs zre 2 3 5/8,
4, 6 or 8" in width and typically 1 1.5" in depth. The height of the stud is selected to provide for about a = 5/8" gap between the top of the stud and the inner web of = the slotted track to allow tor the vertical movement of =
the stud 18 caused by thermal, seismic, wind or any other load. The Stud is connected to the slotted track by means of wafer head self-tapping fastening screws being installed at about the mid-point of the height of the slot in the slotted track. As illustrated in particular .in Figure 4, the provision Of the slots having a width of 0.2" or less increases the surface area of the contact between the head of the wafer head screw and the flange of the track at the edges of the slots thereby increasing = 4 the resistance to deformation under extreme thermal, =
seismic, or wind loading conditions thus reducing the likelihood of failure of the wall under such conditions.
Although various preferred embodiments of the present invention have been described herein in detail, it would = be appreciated by those skilled in the art that variations may be made thereto without departing from the spirit of the invention or the scope of the appended claims.
the stud 18 caused by thermal, seismic, wind or any other load. The Stud is connected to the slotted track by means of wafer head self-tapping fastening screws being installed at about the mid-point of the height of the slot in the slotted track. As illustrated in particular .in Figure 4, the provision Of the slots having a width of 0.2" or less increases the surface area of the contact between the head of the wafer head screw and the flange of the track at the edges of the slots thereby increasing = 4 the resistance to deformation under extreme thermal, =
seismic, or wind loading conditions thus reducing the likelihood of failure of the wall under such conditions.
Although various preferred embodiments of the present invention have been described herein in detail, it would = be appreciated by those skilled in the art that variations may be made thereto without departing from the spirit of the invention or the scope of the appended claims.
5
Claims (3)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A slotted track for use as a top track in metal stud framed wails, which allow for movement of the studs as they expand and contract owing to environmental conditions, the slotted track having a web and flanges extending perpendicularly along opposite edges of the web, the flanges being provided with slots at regular intervals along the length of the flanges to accept shanks of fastening means to attach the slotted track to the studs, the slots having a width of 0,2" or less to increase the area of contact between a head of the fastening means and the material of the flange either side of the slot to increase the resistance of the flange to deformation under extreme load conditions.
2. A slotted track according to claim 1 wherein the width of the slots is 0.195 inches.
3. A slotted track according to claim 2 wherein the flanges have a height of 2 1/2" and the slots have a height of 1 1/2".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2838351A CA2838351A1 (en) | 2013-12-31 | 2013-12-31 | Slotted track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2838351A CA2838351A1 (en) | 2013-12-31 | 2013-12-31 | Slotted track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2838351A1 true CA2838351A1 (en) | 2015-06-30 |
Family
ID=53520149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2838351A Abandoned CA2838351A1 (en) | 2013-12-31 | 2013-12-31 | Slotted track |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2838351A1 (en) |
-
2013
- 2013-12-31 CA CA2838351A patent/CA2838351A1/en not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 20170103 |