FX Patent: 5,212 - Improvement in steam engines, &c.


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FX Patent: FX-5,212

Improvement in steam engines, &c.

Patentee:

Uriah Brown (exact or similar names) - Washington, DC

USPTO Classifications:

Tool Categories:

propulsion and energy : steam engines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Charles M. Keller

Jonas Keller

Patent Dates:
Granted:	Aug. 29, 1828

Patent Pictures:

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Patent specification and drawing

Description:

This patent was probably never issued as it has never been listed in any of the Patent Office compendiums of pre-1836 patents. We know of its existence from The American Journal of Improvements in the Useful Arts, and Mirror of the Patent Office in the United States, Vol. 1 No. 2 (April-June 1828), as well as The Franklin Journal and American Mechanics' Magazine for October 1828. Our inventor, Uriah Brown, was one of the originators of the short-lived American Journal of Improvements mentioned above.

"...a new and useful improvement in the steam engine, denominated 'The Double Tangent Chain Lever;' the object of which, is to transmit motion and power from the piston to the lever or working beam, and to convert the rectilinear motion of the piston, into a reciprocating circular, or a continuous circular motion... This object, I propose to accomplish by means of two chains (a and b,) alternately working over the periphery of an arc at the extremity of the impelled end of the lever..."