| 发明名称 |
Grooved Drum and Associated Passive Guide for Motorized Lifting Device |
| 摘要 |
An apparatus includes a motor and a drum rotated by the motor to draw in or let out a line from the drum. The drum includes a groove formed in an outer surface thereof to accommodate the line. In certain embodiments, a depth of the groove is equal to or greater than a radius of the line. In the same or other embodiments, a passive guide that physically engages and tracks the groove may be used to guide the line into the groove. |
| 申请公布号 |
US2015284224(A1) |
申请公布日期 |
2015.10.08 |
| 申请号 |
US201414245700 |
申请日期 |
2014.04.04 |
| 申请人 |
Hall David R.;Miles Jerome;Hall Michael;Madsen Daniel |
发明人 |
Hall David R.;Miles Jerome;Hall Michael;Madsen Daniel |
| 分类号 |
B66D1/38;B66D1/30 |
主分类号 |
B66D1/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An apparatus comprising:
a motor; a drum rotated by the motor to draw in or let out a line from the drum, the drum comprising a groove formed in an outer surface thereof to accommodate the line, wherein a depth of the groove is equal to or greater than a radius of the line. |
| 地址 |
Provo UT US |
