| 摘要 |
<p>1420292 Needling machine DR ERNST FEHRER GmbH & CO KG TEXTILMASCHINENFABRIK U STAHLBAU 24 Jan 1974 [2 March 1973] 03413/74 Heading D1R A needling machine comprises a plurality of needle beams 5, each reciprocated by a drive shaft 1 elastically connected to the drive shafts of adjacent beams, each needle beam having its individual rigid box-shaped housing 7 which guides the beam, and its associated balancing weight 11 disposed below the drive shaft 1 inside housing 7 and guided on rods 10 secured to the housing. Eccentrics or cranks 12 which drive the balancing weight are offset 180‹ to eccentrics 2 which drive beam 5.</p> |
