Sensing manual drive operation of a movable barrier
US9765569B2 · kind B2 · utility
1Cited by
30References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 2016 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Apr 18, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/785
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A movable barrier operator is provided that includes a motor coupled to a movable barrier to move the movable barrier, a computing device which controls movement of the motor, a manual drive coupled to the movable barrier to move the movable barrier, a ring coupled to move with the manual drive, and a sensor that senses and communicates rotation of the ring to the computing device. In response to receiving the sensed rotation of the ring, the computing device prevents operation of the motor to move the movable barrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.