| 摘要 |
FIELD: equipment for sewing and leather-shoe industry, in particular, commercial shuttle stitch-type sewing machines. ^ SUBSTANCE: apparatus has housing provided with filter and cover and positioned in the vicinity of shuttle device and toothed rack, and fan. Cover is equipped with side window facing shuttle and toothed rack. Lower part of apparatus is pivotally mounted on resilient base in machine table carcass. Table cover is provided with guiding slot made in its lower part and adapted for receiving of housing cover. ^ EFFECT: reduced dustiness of air in shop and contamination of machines and floor and increased coefficient of useful time of sewing machine engine and of sewing machine operator. ^ 3 dwg |
