Patent ID: 7735795
Filing Date: 2010-06-15
Classification: F16M,F21S,F21V,Y10S

Abstract:
1. A hanger bar assembly comprising: a first hanger bar member comprising a first rail comprising a first end, a second end, and a first attachment structure disposed on the first end; a second hanger bar member comprising a second rail comprising a first end, a second end, and a second attachment structure disposed on the first end, the second hanger bar member being adjacent to the first hanger bar member, wherein the second hanger bar member slidably engages the first hanger bar member; wherein the first and the second attachment structures each comprise a first fastener aperture, a first wall, and a second wall and wherein the first wall comprises the first aperture and the second wall comprises a second aperture; a first fastener maintained in the first fastener aperture of the first attachment structure; a second fastener maintained in the first aperture of the second attachment structure; and wherein the first and second attachment structures permit the second end of the first rail to slide from between the first and second attachment structures, past the second attachment structure and the second end of the second rail to slide from between the first and second attachment structures, past the first attachment structure when the first and second hanger bar members are slidably engaged.