Door holding magnet
US4669766A · kind A · utility
31Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1986 |
| Grant date | Jun 2, 1987 |
| Priority date | — |
| Expiry date | Sep 11, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32311
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door holding mechanism (10) is provided for holding a door (14) in an open position adjacent a wall (12). The door holding mechanism (10) includes a cylindrical housing (18). A magnetic coil (30) is mounted within the cylindrical housing (18). Structure (40, 50, 60, 64) is provided for pivotally mounting the cylindrical housing (18) to the wall (12). A door plate (68) is mounted on the door (14) which is magnetically attracted to the cylindrical housing (18) to hold the door (14) in an open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.