Combination pivot corner and slide guide for sash window
US4581850A · kind A · utility
42Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 1984 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Jul 5, 2004 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/148
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A unitary pivot corner member having a separate pivot pin for engaging the sash balance of a double-hung sash window assembly and a slide guide integral with the member for riding in a guide rail of the master frame jamb of the window assembly. A pair of the same members are installed at opposing bottom corners of a sash window. Each of the slide guides rides in a guide rail and functions to retain the engaged guide rail in square alignment relative to the sash window whereby to eliminate gapping between the sash window and master frame jamb as the sash window is slided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.