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2,283 Matching Results
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2,283
Rotary-Engine.
Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date:
January 20, 1880
Creator:
Adams, James Ansley
System:
The Portal to Texas History
Washing-Machine.
Patent for an improved washing machine: "The invention consists in combining a lower cylinder having longitudinal spiral grooves with an upper cylinder having longitudinal straight grooves and holes" (lines 14-17).
Date:
January 20, 1880
Creator:
Dorris, George W.
System:
The Portal to Texas History
Combined Hook and Buckle.
Patent for a new and improved combined hook and buckle. This design "protect[s] straps from wear at the point of attachment to or contact with rings or eyes" (lines 12-14). This patent references another, the invention of which this one is intended to supplement.
Date:
January 13, 1880
Creator:
Padgitt, Tom.
System:
The Portal to Texas History