Drive mechanism for barrier operator
US8251847B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 2011 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Jan 12, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2400/3013
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An electric motor driven barrier operator includes spaced apart frame plates for supporting the motor, an intermediate drive shaft and an operator final output shaft. The motor output shaft, intermediate shaft and final output shaft are mounted on bearings at fixed centers on the frame plates and the motor and intermediate shaft are interconnected by a stretchable flexible drive belt reeved over respective drive pulleys mounted on the motor output shaft and the intermediate shaft. The drive belt may be mounted on the pulleys and replaced without adjusting the position of the motor output shaft, the intermediate shaft or the operator output shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.