IMPROVED CONNECTION MEMBER FOR INVERTED T-BAR CONNECTION Russian patent published in 2008 - IPC E04B9/12 

FIELD: construction, particularly connections between non-parallel members of the supporting construction.

SUBSTANCE: inverted T-bar comprises at additional member 2 connected to one end thereof. Member 2 comprises two parts 8, 10 having different heights. The first inner part 8 passes into the second outer one 10 having lesser height and bent into V-shaped member. Part 10 includes two sections 12, 14. The first section 12 is coplanar to part 8. The second free section 14 comprises tooth 16 produced by the second section 14 cutting and plastic deformation. Free tooth 16 end faces that of part 8. Central beam wall 4 comprises at least one orifice having height corresponding to that of part 10. Orifice is adapted to receive and retain part 10 of another beam member 2 by means of tooth 16 and edge of another beam part 8.

EFFECT: increased speed of additional member engagement with and disengagement from cut.

3 cl, 6 dwg