US 11,851,947 B2
Universal endlock
Joseph L. Balay, Sugarloaf, PA (US); Christopher J. Rebarchak, White Haven, PA (US); and Thomas Balay, Drums, PA (US)
Assigned to CORNELLCOOKSON, LLC, Mountain Top, PA (US)
Filed by CORNELLCOOKSON, LLC, Mountain Top, PA (US)
Filed on Apr. 3, 2020, as Appl. No. 16/839,577.
Prior Publication US 2021/0310302 A1, Oct. 7, 2021
Int. Cl. E06B 9/58 (2006.01); E06B 9/15 (2006.01)
CPC E06B 9/581 (2013.01) [E06B 9/15 (2013.01); E06B 2009/1505 (2013.01); E06B 2009/1583 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A roll-up door, comprising:
a first slat, comprising:
a first rounded end;
a second rounded end, wherein the second rounded end has a smaller circumference than the first rounded end; and
a pair of openings;
a second slat having a second rounded end inserted into the first rounded end of the first slat;
a third slat having a first rounded end, wherein the second rounded end of the first slat is inserted into the first rounded end of the third slat; and
an endlock coupled to the first slat, wherein the endlock comprises:
a body;
a first side coupled to a first edge of the body, wherein the first side is bent approximately 90 degrees towards a back side of the body via a curve of the first edge;
a second side coupled to a second edge of the body, wherein the second side is bent approximately 90 degrees towards the back side of the body via a curve of the second edge, wherein the first side is opposite the second side;
a first lip having a first surface coupled to a first end of the first side to secure the second rounded end of the second slat into the first rounded end of the first slat, wherein the first lip is bent away from the first edge of the body to be perpendicular to the first side;
a second lip having a second surface coupled to a second end of the second side to secure the second rounded end of the first slat into the first rounded end of the third slat, wherein the second lip is bent away from the second edge of the body to be perpendicular to the second side, wherein the first surface and the second surface each have a length sufficient to cover a circumference of the first rounded end of the first slat or the first rounded end of the third slat, wherein the first surface of the first lip and the second surface of the second lip lie on a common plane, wherein the common plane of the first lip and the second lip is perpendicular to a surface of the body; and
a pair of intersecting hole patterns located in a center of a width of the body, wherein a first intersecting hole pattern of the pair is located towards the first edge along a length of the body and a second intersecting hole pattern of the pair is located towards the second edge along the length of the body, wherein each one of the pair of intersecting hole patterns is formed by an intersection of two circles at two points such that centers of the two circles are approximately 0.125 inches apart, wherein the endlock is coupled to the first slat via fasteners fed through the pair of intersecting hole patterns and the pair of openings of the first slat.