Motorized jack
US5992826A · kind A · utility
18Cited by
3References
20Claims
0Family size
Inventor
Key dates
| Filing date | Dec 31, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Dec 31, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S254/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A motorized jack for reducing the amount of labor needed to lift up a vehicle. The motorized jack includes a housing with a motor provided in the housing. A threaded shaft is also provided in the housing. A top end of the threaded shaft is upwardly extended through a hole in the top of the housing. A ring gear is disposed around the threaded shaft. The ring gear has a toothed inner perimeter engaging the threaded shafts. An interconnected set of gears is provided in the housing to connect the ring gear to a rotating shaft of the motor. A lifting head is coupled to the top end of the threaded shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.