Disturbance responsive magnetic latch
US5035451A · kind A · utility
Inventor
Key dates
| Filing date | Oct 17, 1990 |
| Grant date | Jul 30, 1991 |
| Priority date | — |
| Expiry date | Oct 17, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A disturbance responsive magnetic latch comprises a latch arm having spring legs and mounted onto a first substantially planer mounting surface for engaging a door or door frame member. A screw or other fastening mechanism may be used to attach said first mounting surface and latch arm to the door. A second mounting surface is provided having a magnet coupled thereto and having a retainer for retaining and securing the latch arm thereto. The magnet is preferably of a substantially flat and elongated construction. The second mounting surface is secured to a predetermined area distant from the first base plate preferably by a screw or other mechanical fastening mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.