Top guide pivot for bifold doors
US4064590A · kind A · utility
Inventor
Key dates
| Filing date | Jul 2, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Jul 2, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32827
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An assembly for guiding movements of the non-pivotally supported one of a pair of hingedly interjoined bifolding panels, or the like, laterally across a door opening which includes a main body non-rotatably anchored in a mounting socket therefor bored inwardly of the upper or top edge of the one guide panel and including a vertically biased, laterally offset track engaging guide means cooperative with an overhead guide track such that the line of engagement between such offset guide means and the track is in proximity to the free or unhinged lateral edge of the guide panel whereby to increase opening movement of the panels and avoid binding between the track and guide means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.