Opening and closing device and opening and closing system
US11105140B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Sep 17, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/531
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An opening and closing device includes an upper arm and a lower arm spaced apart in an up-and-down direction and extend between a vehicle door and a vehicle body, a connecting member connecting first end portions of the upper and lower arms, a body-side upper hinge and a body-side lower hinge attached to the vehicle body supporting the connecting member rotatably, a door-side upper hinge attached to the vehicle door to support a second end portion of the upper arm rotatably, a door-side lower hinge attached to the vehicle door to support a second end portion of the lower arm rotatably, and a driving device causing the upper and lower arms to rotate about a first and second rotational axes, and the driving device is attached to the connecting member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.