4 Matching Results

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Combined Ventilator and Chimney. (open access)

Combined Ventilator and Chimney.

Patent for a new and improved combined ventilator and chimney. This design consists in "[a] combined ventilator and chimney . . . composed of a central flue surrounded by an annular air-chamber, in the top and bottom of which are openings, flange, and case, provided with a water-shed or apron, in combination with [a] section consisting of a flue or chimney, having its lower end inserted in the flue of the ventilator and extending therefrom above the roof, and covered with a cap or caps, and its juncture with the ventilator protected by a downward-projecting hood" (lines 38-49).
Date: January 15, 1884
Creator: Matthews, William F.
System: The Portal to Texas History
Vehicle Wheel. (open access)

Vehicle Wheel.

Patent for a new and improved vehicle wheel. This design "consists in the improved construction and combination of parts of a brace consisting of two rings secured together, and having recesses in their meeting sides, and provided with a number of brace-rods passing to one or two rings secured upon the hub of a vehicle-wheel, the spokes fitting in the recesses in the meeting sides of the rings" (lines 19-27).
Date: January 15, 1884
Creator: Stein, Philip Harris
System: The Portal to Texas History
Hydraulic Excavating Machine. (open access)

Hydraulic Excavating Machine.

Patent for a new and improved hydraulic excavator. This design "consists in combining a submerged propeller-wheel with a water-jet tube having a flexible connection with the supply-pipe, so as to permit the water-jet tube to rise and fall . . . and also move laterally, whereby the tube will, when it meets an obstruction, yield sufficiently to prevent breaking, jarring, or injuring any of the parts, the water-jet tube and propeller bearing such relative positions to each other that the . . . obstructions disengaged by the jet will be held in suspension . . . and carried off by the natural current" (lines 14-27).
Date: January 15, 1884
Creator: Mansfield, Samuel M.
System: The Portal to Texas History
Railroad Switch. (open access)

Railroad Switch.

Patent for a new and improved railroad switch. This design "consists in securing the short switch-rail to a long guard-rail, instead of pivoting it to the end of the sliding-rail or supporting-plate, the said guard-rail having the end remote from the short switch-rail spiked securely to the track, and the end carrying the switch-rail provided with lever or other moving devices whereby the switch-rails are thrown" (lines 21-29).
Date: January 15, 1884
Creator: Crowley, John H.
System: The Portal to Texas History