Heat releasable lock
US3999790A · kind A · utility
17Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 6, 1975 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Oct 6, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/34
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A locked enclosure may be eventually automatically unlocked by a simple pin element in a hasp-lock which drops out of the hasp-lock in case of temperatures associated with a fire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.