Balance system for sash window assembly
US6751904B2 · kind B2 · utility
1Cited by
39References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2003 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Jan 15, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/534
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A balance assembly (15) is provided for a sash window assembly (10). The sash window assembly (10) has a sash window (12) slidable within a master frame (14). The balance assembly (15) has an elastomer balance member (30) having one end adapted to be connected to the master frame (14) and another end adapted to be connected to the sash window (12) to provide an upward biasing force to the sash window (12). A system (50) is provided for custom-manufacturing the balance member (30) and for custom-manufacturing a sash window assembly (10) incorporating the balance member (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.