looms with rotating drums in crowds, and the mechanisms of flying machines

摘要

The invention relates to a weaving loom having a rotary shed forming drum, means for guiding warps around the drum to a fabric take-up mechanism, means for inserting wefts into successive sheds as the drum rotates from a warp take-on position to a fabric take-up position, weft control elements on the drum extending outwards of the drum between warps to locate inserted wefts, and a beat up mechanism including a beat up bar mounting rotatable in synchronism with the shed forming drum, a plurality of beat up bars pivotably mounted on the mounting and having beat up elements extending outwards of the beat up bars, and cam means for controlling the beat up elements to cause them to locate the wefts as the warps pass to the fabric take-up position radially outwards of the shed forming drum and to beat up the wefts and for permitting pivotting of the beat up elements contrary to the direction of rotary movement of the beat up bar mounting so as to move the beat up elements clear of the fabric after beating up.