Motor-driven winch having internal speed reducer
US4310146A · kind A · utility
8Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 1979 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Dec 31, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D1/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A motor-driven winch wherein the motor is at least partially contained win the winding drum, thereby providing a compact small size unit. The space within the drum also contains a speed reducer of the differential motion type. Speed reducer design is such as to achieve very large speed reduction within a relatively small space, thus contributing to a compact overall design.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.