Room access control system with barrier arm having downwardly extending fan assembly
US12104430B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2023 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Jun 7, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B2047/0014
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A room access control system including a base assembly positionable adjacent a door opening; an arm having a first end pivotally mounted with respect to the base assembly; wherein the arm is positionable in a first undeployed position where the arm is generally vertical and the second end of the arm points downwardly; wherein a fan assembly is attached to the arm, the fan assembly including a plurality of fan blades; wherein each of the fan blades is pivotally mounted to a pivot point on the arm; wherein when the arm is rotated into a second, generally horizontal deployed position, the plurality of fan blades extend beneath the arm in a fanned out pattern with the second end of a first fan blade of the plurality of fan blades attached to the arm, and a last fan blade of the plurality of fan blades positioned in a generally vertical position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.