Table of Contents
Patent NX-5212: 1828-08-29, Improvement in steam engines, &c.
| X Number | Date | Inventor | City | Title |
|---|---|---|---|---|
| NX-5212 | 1828-08-29 | Uriah Brown | Washington, DC | Improvement in steam engines, &c. |
Comments
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…”
Information Sources
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