发明名称 |
Upper roller feed mechanism for a sewing machine |
摘要 |
An improved upper roller feeding mechanism for a sewing machine which mechanism is contained entirely within the head of the frame of the sewing machine and wherein the roller is driven by a drive mechanism supported by the frame which includes a rotary shaft and means for converting the rotating movement of the shaft into an oscillating movement. A one way clutch is utilized to translate the oscillating motion into incremental rotary movement which is in turn transmitted to the roller.
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申请公布号 |
US4073248(A) |
申请公布日期 |
1978.02.14 |
申请号 |
US19760727878 |
申请日期 |
1976.09.29 |
申请人 |
ROCKWELL-RIMOLDI, S.P.A. |
发明人 |
MARFORIO, NERINO |
分类号 |
D05B27/14;D05B27/04;D05B71/00;(IPC1-7):D05B27/06;D05B27/10 |
主分类号 |
D05B27/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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