Electronic primer ignition system
US5515783A · kind A · utility
10Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1993 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Nov 15, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A19/58
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Ignition current is conducted by a firing circuit through a firing pin to a rimer mixture retained by its cap within a cartridge case from which the cap is electrically separated by an insulator to effect primer ignition with reduced lock time by activation of a firing switch independently of the firing pin. Voltage for the firing circuit is derived from a battery, maintained in a charged condition by alternate voltage supply sources, and stored at an ignition firing level for a prolonged period of time to accommodate selective activation of the firing switch after the firing pin contacts the primer cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.