Flush hinge for athletic court doors
US5499428A · kind A · utility
Inventor
Key dates
| Filing date | Jan 31, 1994 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Jan 31, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flush hinge for pivotally connecting a door to an adjacent wall wherein first and second hinge members are connected by a pintle to move about a pivot axis. The pivot axis is substantially centered in the width dimension of each of the first and second knuckle portions and an inside face of each knuckle portions forms a stop face for the door or wall to position them inside the pivot axis so the ends of the hinge members remain in close proximity as the first hinge member moves. The first and second hinge members have a tongue and groove fitting and stop faces that abut to hold the hinge member in both open and closed positions. In a first embodiment the pivot axis is substantially centered between adjacent edges of the door and walls with an inner face of the hinge being in the same plane as the door and wall to fill a gap therebetween. The first embodiment has a base portion that extends into a hollow wall support and fastens to the inside thereof. A second embodiment has a base portion that fastens to a wall fin substantially centered in the gap and forms a part of the playing surface. A third embodiment has a base portion projecting rearwardly of the stationary second leaf po…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.