US Patent: 663,729 - Sparking Igniter for Explosive-Engines


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US Patent: 663,729

Sparking Igniter for Explosive-Engines

Patentees:

Louis S. Clarke (exact or similar names) - Ardmore, Montgomery County, PA

James G. Heaslet (exact or similar names) - Ardmore, Montgomery County, PA

USPTO Classifications:

123/149A, 200/19.2

Tool Categories:

propulsion and energy : internal combustion engines : ignition systems

Assignees:

Autocar Co. - Ardmore, Montgomery County, PA

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 30, 1900
Granted:	Dec. 11, 1900

Patent Pictures:

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Description:

Claim:

In an explosive engine, in combination with an explosion chamber and an induction coil the secondary of which is suitably connected with said chamber, a moving body provided with a cam, a holder spring which presses toward said moving body, a weight provided contact spring engaged by said holder spring and carried toward said moving body by it, a contact device with which said contact spring makes contact when released by said holder spring, said contact device and said contact spring being in circuit with the primary of the induction coil.