Door lock apparatus
US10570649B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 17, 2017 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Aug 28, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B2047/0013
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door lock apparatus has a lock mechanism for holding a vehicle door in a closed state, an assisting mechanism for assisting in closing and/or opening the vehicle door, and a driving portion for operating the assisting mechanism, and the driving portion has a plurality of motors in which output shafts are disposed parallel to each other and pinion gears are provided individually on the output shafts, a rotational shaft which is disposed parallel to the respective output shafts of the plurality of motors, an internal ring gear which is fixed to a first end portion of the rotational shaft and which meshes with the respective pinion gears of the plurality of motors, and a worm which is fixed to a second end portion of the rotational shaft and which is configured to transmit power to the assisting mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.