发明名称 ACIONAMENTO DE BARRA DE AGULHA EM MAQUINAS DE COSTURA COM COMPENSACAO DE MASSAS
摘要 The needle bar drive of a counterbalanced sewing machine comprises, in addition to a counterbalance weight connected to the driving crank, a second counterbalance weight which is driven in opposition thereto through a drive mechanism. The drive mechanism comprises an intermediate shaft which rotates at a double speed relative to the armshaft and carries and drives a third counterbalance weight.
申请公布号 BR8405145(A) 申请公布日期 1985.08.27
申请号 BR19848405145 申请日期 1984.10.11
申请人 PFAFF INDUSTRIEMASCHINEN GMBH. 发明人 KURT KLUNDT
分类号 D05B55/14;D05B3/02;D05B69/32;(IPC1-7):D05B55/14 主分类号 D05B55/14
代理机构 代理人
主权项
地址