公开(公告)号：US3596850A

公开(公告)日：1971-08-03

申请号：US3596850D

申请日：1969-09-15

申请人： JOHN B MCMURTRIE

发明人： MCMURTRIE JOHN B

IPC分类号： D02H13/28 ,  B65H75/14

CPC分类号： D02H13/28

摘要： A textile beam includes a substantially cylindrical tube having internal threads at the opposite ends thereof. A pair of heads are each provided with hubs having external threads thereon which are threaded within opposite ends of the tube. The threads on the tube and heads include opposite flanks extending at oblique angles to the longitudinal axis of the tube. Abutting surfaces are formed on the ends of the tube and each of the heads. These abutting surfaces are preloaded in an axial direction parallel with the longitudinal axis of the tube and extend parallel with or are an extension of a line from the joint between the abutting surfaces and the center of deflection of the associated head. Each end of the tube is beveled, and the abutting surface formed on each of the heads joins with an annular surface of arcuate cross-sectional configuration.