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Deflector track tabs for positioning studs along the track
| Details |
Inventors: Bergeron, Mark P.; Dippold, Lawrence C.;
Assignee: B & D Industries (Albany, NY)
Primary Examiner: Friedman; Carl D.
Assistant Examiner: Horton; Yvonne M.
Attorney, Agent or Firm: Schmeiser, Olsen & Watts
A deflector track tab structure, and method of formation, for positioning studs along a deflector track. Starting with a sheet of metal such as steel, tongues are formed within the sheet such that the tongues are oriented along the length of the sheet. Slats are formed in each tongue, wherein the slats are oriented along the length of the tongue. The tongues are bent away from the sheet resulting in tabs integral with the sheet and normal to the sheet. A flange is formed from the sheet on each side of the sheet such that a track web between the flanges remains. The flanges are normal to the web and oriented parallel to the tabs. A marker pattern may be formed on each tab to denote a position on each slat for subsequent coupling of metal studs to the tabs. After the track is coupled to a ceiling structure with the flanges and tabs pointing vertically downward, studs are fastened to the tabs at the denoted positions on the slats, such that the stud is separated from the track web by at least .delta., where .delta. is a maximum allowed track deflection under gravitational live load normal to the web of the deflector track. |
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DETAILED DESCRIPTION The present invention provides a method for forming a deflector track structure that includes a deflector track, comprising the steps of: predetermining a maximum allowed track deflection .
delta.
under gravitational live load normal to a web of the deflector track; predetermining a length K, wherein K exceeds .
delta.
, wherein K is a no-load distance that will separate the web and a stud after the stud is subsequently coupled to the track, and wherein the stud is adapted to be coupled to the track; providing a sheet of metal having a length along an x-direction, a width along a y-direction, and a thickness along a z-direction, wherein the x-direction, the y-direction, and the z-directions define an orthogonal coordinate system; forming at least one tongue within the sheet of metal, wherein an end of the tongue is integral with the sheet, and wherein the end of the tongue is oriented in the y-direction; forming at least one slat within the tongue, wherein the slat is oriented in the x-direction, and wherein a length of the slat in the z-direction exceeds 2.
delta.
; bending the tongue rotationally about the end of the tongue, resulting in the tongue becoming a tab oriented in the z-direction such that the end of the tongue remains as an end of the tab; bending a first side of the sheet of metal rotationally about a first line in the sheet of metal to form a first flange of the deflector track, wherein the first line is oriented in the x-direction, wherein the first flange is oriented in the z-direction, wherein the web of the deflector track remains, wherein a length of the web is oriented in the x-direction, and wherein a height of the first flange in the z-direction exceeds K+.
delta.
; and bending a second side of the sheet of metal rotationally about a second line in the sheet of metal to form a second flange of the deflector track, wherein the second line is oriented in the x-direction, wherein the second flange is oriented in the z-direction, and wherein a height of the second flange in the z-direction exceeds K+
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Vibration and Earthquake Isolation 
