US Patent: 212,285 - Improvement in cut-off gearing


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US Patent: 212,285

Improvement in cut-off gearing

Patentee:

Nelson W. Twiss (exact or similar names) - New Haven, CT

USPTO Classifications:

91/254, 91/257

Tool Categories:

propulsion and energy : steam engines : steam engine valve gear

transportation : railroads : railroad locomotives : steam engine valve gear

Assignees:

None

Manufacturer:

Nelson W. Twiss - New Haven, CT

Witnesses:

J. H. Shumway

John E. Earle

Patent Dates:
Applied:	Nov. 01, 1878
Granted:	Feb. 11, 1879

Patent Pictures:

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Vintage Machinery entry for Nelson W. Twiss

Description:

"This invention relates to an improvement in that class of cut-offs for steam-engines which are adjusted automatically by the action of the governor; and it consists in the construction, as hereinafter described..."