in construction of a faulty weft remover for a fluid jet loom equipped with a rotary take - up drum and a reciprocal cutter assembly , a common drive source is provided for selective , phased and independent driving of the take - up drum and the cutter assembly is configurated to automatically distribute a faulty weft wound on the take - up drum into separate groups so that phased operation of the take - up drum and the cutter assembly should be curried out reliably with high degree of success in faulty weft severance by a simplified construction .