| 发明名称 |
Readily attachable and detachable sole plate for a sewing machine |
| 摘要 |
A sewing machine presser device is provided with a sole plate and with a latching spring which can be snapped into a retaining notch at the rear edge of a shank on the device and easily removed therefrom with only slight pressure applied to the toe end portion of the plate.
|
| 申请公布号 |
US4213411(A) |
申请公布日期 |
1980.07.22 |
| 申请号 |
US19790062213 |
申请日期 |
1979.07.30 |
| 申请人 |
SINGER CO THE |
发明人 |
KNOWLES, WARREN D |
| 分类号 |
D05B29/12;(IPC1-7):D05B29/12 |
主分类号 |
D05B29/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
