Drum drive system for sliding window sash
US10253543B2 · kind B2 · utility
3Cited by
22References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 2016 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Jan 15, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2201/704
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A threaded drum is rotated by a drive shaft. As the threaded drum rotates, part of a cable is wrapped around the drum, while at the same time, a second part of the cable is unwrapped from the drum. Rotation of the drive shaft is based on rotation of an operator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.