US 12,252,881 B2
Two-piece track system
Donald Anthony Pilz, Livermore, CA (US); Raymond Edward Poliquin, City of Industry, CA (US); and Fernando Hernandez Sesma, City of Industry, CA (US)
Assigned to CEMCO, LLC, City of Industry, CA (US)
Filed by CEMCO, LLC, City of Industry, CA (US)
Filed on Aug. 24, 2023, as Appl. No. 18/455,474.
Application 18/455,474 is a continuation of application No. 18/150,111, filed on Jan. 4, 2023, granted, now 11,773,587.
Application 18/150,111 is a continuation of application No. 17/304,451, filed on Jun. 21, 2021, granted, now 11,560,712, issued on Jan. 24, 2023.
Application 17/304,451 is a continuation of application No. 16/791,869, filed on Feb. 14, 2020, granted, now 11,041,306, issued on Jun. 22, 2021.
Application 16/791,869 is a continuation of application No. 16/277,366, filed on Feb. 15, 2019, granted, now 10,563,399, issued on Feb. 18, 2020.
Application 16/277,366 is a continuation of application No. 16/001,228, filed on Jun. 6, 2018, granted, now 10,227,775, issued on Mar. 12, 2019.
Application 16/001,228 is a continuation of application No. 15/680,025, filed on Aug. 17, 2017, granted, now 9,995,039, issued on Jun. 12, 2018.
Application 15/680,025 is a continuation of application No. 15/074,424, filed on Mar. 18, 2016, granted, now 9,739,054, issued on Aug. 22, 2017.
Application 15/074,424 is a continuation of application No. 14/639,411, filed on Mar. 5, 2015, granted, now 9,290,934, issued on Mar. 22, 2016.
Application 14/639,411 is a continuation of application No. 14/045,538, filed on Oct. 3, 2013, granted, now 8,973,319, issued on Mar. 10, 2015.
Application 14/045,538 is a continuation of application No. 13/858,826, filed on Apr. 8, 2013, granted, now 8,555,566, issued on Oct. 15, 2013.
Application 13/858,826 is a continuation in part of application No. 13/223,148, filed on Aug. 31, 2011, granted, now 8,413,394, issued on Apr. 9, 2013.
Application 13/223,148 is a continuation in part of application No. 12/834,360, filed on Jul. 12, 2010, granted, now 8,132,376, issued on Mar. 13, 2012.
Application 13/858,826 is a continuation in part of application No. 12/325,943, filed on Dec. 1, 2008, granted, now 8,499,512, issued on Apr. 9, 2013.
Application 12/834,360 is a continuation of application No. 12/040,658, filed on Feb. 29, 2008, granted, now 7,752,817, issued on Jul. 13, 2010.
Application 12/325,943 is a continuation in part of application No. 12/039,685, filed on Feb. 28, 2008, granted, now 8,281,552, issued on Oct. 9, 2012.
Claims priority of provisional application 61/379,047, filed on Sep. 1, 2010.
Claims priority of provisional application 61/021,418, filed on Jan. 16, 2008.
Claims priority of provisional application 60/954,029, filed on Aug. 6, 2007.
Prior Publication US 2024/0052629 A1, Feb. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E04B 2/74 (2006.01); E04B 1/38 (2006.01); E04B 1/94 (2006.01); E04B 2/58 (2006.01); E04B 2/76 (2006.01); E04B 2/82 (2006.01); E04B 2/88 (2006.01); E04C 3/04 (2006.01); E04C 3/09 (2006.01)
CPC E04B 2/7403 (2013.01) [E04B 1/38 (2013.01); E04B 1/941 (2013.01); E04B 1/944 (2013.01); E04B 1/946 (2013.01); E04B 1/947 (2013.01); E04B 1/948 (2013.01); E04B 2/58 (2013.01); E04B 2/7411 (2013.01); E04B 2/7457 (2013.01); E04B 2/768 (2013.01); E04B 2/828 (2013.01); E04C 3/09 (2013.01); E04B 2/88 (2013.01); E04C 2003/0417 (2013.01); E04C 2003/0473 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A fire-rated wall deflection joint comprising:
an inner track extending in a lengthwise direction of the deflection joint, the inner track comprising a web, a first flange and a second flange, the first and second flanges extending from the web in first direction, wherein each of the first flange and the second flange includes a free end extending in the first direction;
an outer member comprising intumescent material and extending in a length direction, the outer member further comprising:
a first peripheral portion;
a second peripheral portion;
a central portion;
a first elongate member coupled with the central portion;
a second elongate member coupled with the central portion, the first and the second elongate members separated by a distance along a second direction, wherein the first direction is perpendicular to the second direction;
a plurality of studs coupled with the inner track and at least one piece of wallboard attached to the plurality of studs;
wherein the outer member is disposed over the inner track such that the central portion overlays at least a portion of the web of the inner track, the first peripheral portion overlays the first flange and the second peripheral portion overlays the second flange; and
wherein the inner track and the outer member are coupled to an adjacent structure and the first and second elongate members contact the adjacent structure to seal therewith.