Devices for producing ignition sparks when falling on a pyrophor

Details Devices for producing ignition sparks when falling on a pyrophor Devices for producing ignition sparks when falling on a pyrophor

1984-01-11

1985-04-09

Dority, Jr., Carroll B.

Combustion

Frictional, chemical or percussive type igniter

Spark projecter, e.g., flint and abrasive striker, etc.

F23Q 102

Patent

active

045099162

ABSTRACT:
A device for producing ignition sparks when falling on a pyrophoric flint includes a coil spring having at least one coil which is provided with a pit in a transversal or inclined direction on the outer longitudinal line of the coil. The pit is formed of "saw-teeth" type projections which protrude from the original core of the coil, thereby forming on the outer surface of the coil spring cutting projections which, when falling on a pyrophoric flint applied to the outside of the coil spring and when the coil spring turns about its axis, produce a tangential hauling of the pyrophoric flint thereby emitting an ignition spark.

REFERENCES:
patent: 3910751 (1975-10-01), Chernock
patent: 3910752 (1975-10-01), Holl

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