Electric steering lock device
US7260963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2003 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Dec 24, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/5956
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric steering lock device which can prevent a motor from being overloaded and can increase the drive force of the motor. The electric steering lock device of the present invention has a lock bar that moves according to the movement of a lift member. In a state where female threads provided on the lift member are threadably engaged with male threads provided on a rotary shaft, the lift member moves along the axis of the rotary shaft according to the rotation of the rotary shaft, which is driven by an electric motor. The female threads of the lift member can be disengaged from the male threads according to the rotation of the rotary shaft. When the female threads are disengaged from the male threads, rotation of the rotary shaft is permitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.