US Patent: 643,513
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| Igniter for Explosive Engines
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Patentee:
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| Fred J. Macey (exact or similar names) - Ontonagon, Ontonagon County, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 26, 1898 |
| Granted: |
Feb. 13, 1900 |
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Joel Havens
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Description: |
| Claim:
An electric firing or exploding device for gas-engines, comprising a block mounted to in a movable support for said rod, having a pin or projection engaging the spiral groove in the rod, a spring between said support and the rod, and means for moving said support, whereby the movable firing-pin will be turned upon its axis after contact with the other firing-pin. |
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