Patent ID: 7272914
Filing Date: 2007-09-25
Classification: E04B,E04C

Abstract:
1. A joist suitable for use in a composite concrete floor, comprising: a top chord; a bottom chord; and a vertically extending intermediate web having a top end secured to the top chord and a bottom end secured to the bottom chord, the top chord comprising: a pair of longitudinally continuous symmetrical chord members facing each other and embracing the top end of the web, each of said chord members including: a lower vertical portion secured to said top end of the web; a top chord lip bending downward; and a slanting linear upper extension continuous to and between the lower vertical portion and the top chord lip, said linear upper extension extending above and away from the top end of the web, thereby providing a shear connecting portion and a flared substantially V-shaped opening between the two facing chord members giving access to the web.