Drive assembly and apparatus for hoist
US8985555B2 · kind B2 · utility
4Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2010 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | May 16, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D1/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An assembly includes a motor; a second motor; a planetary transmission coupled to the motor and the second motor, and a spool coupled to the transmission. The spool has an interior volume for receiving the motor, the second motor and the transmission, and the motor and the second motor are disposed or disposable entirely within the spool. The motor and the second motor are capable of being operated such that one of the motors is speed controlled, and the other motor is torque controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.