| 发明名称 |
TEACHING DEVICE |
| 摘要 |
A teaching device includes a base and a first set of equipment. The first set of equipment includes a first rod portion including a first spiraling rod portion installed in the base. A first encircled object is disposed on the base plate and is encircled by the first spiraling rod portion. Also included is a first rod slider. The first rod slider is slidably movable along the first rod portion and around the first encircled object. |
| 申请公布号 |
US2016314693(A1) |
申请公布日期 |
2016.10.27 |
| 申请号 |
US201615134063 |
申请日期 |
2016.04.20 |
| 申请人 |
Mahmoodi Ahmadabadi Tahrehe |
发明人 |
Mahmoodi Ahmadabadi Tahrehe |
| 分类号 |
G09B1/02;G09B23/04;G09B21/00;G09B5/04;G09B19/00 |
主分类号 |
G09B1/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A teaching device comprising:
a base; a first set of equipment, the first set of equipment comprising:
a first rod portion, the first rod portion including a first spiraling rod portion installed in the base;a first encircled object disposed on the base plate and encircled by the first spiraling rod portion;a first rod slider, wherein the first rod slider is slidably movable along the first rod portion and around the first encircled object. |
| 地址 |
Qom IR |
