Operating mechanism for sliding window and door sashes
US5435101A · kind A · utility
24Cited by
13References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 24, 1994 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Feb 24, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/148
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An operating mechanism for sliding a sash of a window or door. The mechanism includes an open spiral having a hollow, longitudinally extending center; rotator for rotating the open spiral around its center; and coupling element for coupling the open spiral to a window or door sash. A preferred window made with the operating mechanism of the invention includes extruded polymeric window jambs housing two open spirals on opposed lateral sides of a sash. The preferred window includes both a hand crank and an electric motor connected by a series of gears and a rod to the open spirals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.