6 Matching Results

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Building Construction. (open access)

Building Construction.

Patent for a building construction method. After completion of typical foundation and framework construction, "interlocking slabs or tiles are secured to the framework to form an outer covering or sheathing for the building." The interlocking method requires no cementing of material yet still allows water to be shed. "Provision is also made for fastening slabs or tiles to the framework in a manner permitting rapid assembly of parts" which reduces building time. The invention can be applied to doors and windows as demonstrated in the illustrations.
Date: November 8, 1921
Creator: Walker, Isham P.
System: The Portal to Texas History
Adjustable End Die. (open access)

Adjustable End Die.

Patent for improvements to adjustable end dies. These improvements allow convenient rethreading of bolts while it is engaged with an object.
Date: February 8, 1921
Creator: Wright, John G.
System: The Portal to Texas History
Gravity Dump Car (open access)

Gravity Dump Car

Patent for gravity dump-car cheaper in cost and easy in construction and operation.
Date: October 8, 1901
Creator: Swindall, S. M.
System: The Portal to Texas History
Car-Door. (open access)

Car-Door.

Patent for improvements in car doors. These improvements make the doors fire and water proof and allow the door to be locked. Includes instructions and illustrations.
Date: January 23, 1891
Creator: Moore, Francis A.
System: The Portal to Texas History
Locomotive Valve Gear. (open access)

Locomotive Valve Gear.

Patent for a new and improved valve-gear. This design "is especially designed for locomotive-engines; and the invention consists of a combination of rockers, shafts, arms, levers, links, and connecting-rods worked from the cross-head of the locomotive exclusively, and so arranged as to give the valve a correct motion" (lines 7-13).
Date: December 8, 1885
Creator: Lewis, Wallace James
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design consists in "[a] hand-lever and two chains as used in combination with the spring-latch catches. . . . [It further consists in a] brake-lever attached to main lever, a spring and spiral to hold said main lever in place, and a chain to main lever attached to the spring latch-catches aforesaid of each draw-head" (lines 53-59).
Date: September 8, 1885
Creator: Jernagan, Alexander Jefferson
System: The Portal to Texas History