METAL TRIANGULAR GIRDER Russian patent published in 1995 - IPC

FIELD: construction. SUBSTANCE: metal triangular girder has upper and lower girder chords, struts, suspensions and finial-type post. Upper chord is made of bent channel with vertical wall and has main and additional straps in finial cantilever flaps below level of lower chord in zone of supports. Lower chord and struts are made of bent angle bars. Seats of chords are turned in opposite direction and seats of struts are turned in direction of lower chord seats. Lower ends of suspensions are located between walls of upper chord and strut. Walls of upper chord in finial form clearance. Main strap is located on outside surface of channel of upper chord that is from side, opposite to channel seats, and additional strap - on inner side of wall. Upper end of finial post is located on outer side of main strap and is fixed to both straps by common bolt, installed in clearance between cannel walls of upper chord. EFFECT: metal triangular girder is used in construction. 7 dwg