Side-load window balance system and methods
US8296903B1 · kind B1 · utility
6Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2010 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Dec 31, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/148
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system and method for supporting and operating a heavy window sash includes a spring assembly, a balance guide connected to the spring assembly, and a sash clip adapted to mate with the balance guide, wherein the sash clip and balance guide have mating guide surfaces and retention elements so that the sash clip is received in a fixed position relative to the balance guide when installed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.