Patent ID: 8356963
Filing Date: 2013-01-22
Classification: B61D,F16B,Y10T

Abstract:
1. A channel comprising: first and second upper extensions, each extension including a first and a second substantially straight edge that extend in a longitudinal direction of the channel, and at least one opening with a closed perimeter defined between the first and the second edges; first and second side edges connected at first ends to said first edges of said first and second upper extensions, respectively; and a lower cross member that extends between second ends of said first and said second side edges, wherein said first and said second upper extensions lie in substantially a first plane, and said lower cross member lies in substantially a second plane that is separated from said first plane by a distance sized to allow an anchor member to be inserted into said channel between said second edges of said upper extensions, and wherein said openings are sized and positioned to receive complementary protrusions extending from said anchor member.