Door operator system
US12345087B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2021 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Jun 24, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/11
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door operation system opens and closes an opening with a door. A drive unit mounted on the door and having at least one motor moves the door from the closed (C) position to the open (O) position and vice versa. An elongated transmission member extends along a side of the opening. The drive unit includes a driven transmission member in driving connection with the motor that is movably connected to the elongated transmission member and arranged to interplay with said elongated transmission member and to be driven along the elongated transmission member. The elongated transmission member at least partially wraps around the driven transmission member. At least one guide member with a sliding surface with a curvature is mounted to the door to interplay with the elongated transmission member to guide the elongated transmission member into contact with the driven transmission member. The elongated transmission member is configured to slide along the curvature to urge the elongated transmission member to flex and follow the curvature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.