| 发明名称 |
POWER ASSIST MODULE FOR ROLLER SHADES |
| 摘要 |
A power assist module for use in roller tube driven products, such as roller shades. The module may be pre-wound prior to installation in a roller tube and retains its pre-wound condition, even after use, when removed from the roller tube.
|
| 申请公布号 |
US2013153161(A1) |
申请公布日期 |
2013.06.20 |
| 申请号 |
US201213531078 |
申请日期 |
2012.06.22 |
| 申请人 |
HAARER STEVEN R.;ANDERSON RICHARD N.;HUNTER DOUGLAS INC. |
发明人 |
HAARER STEVEN R.;ANDERSON RICHARD N. |
| 分类号 |
E06B9/60;B23P11/00;E06B9/42 |
主分类号 |
E06B9/60 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
