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5 Matching Results
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Vehicle-Brake.
Patent for an improvement in automatic vehicle-brakes by using sliding rods that are movable within staples or guides and a brake-bar indirectly attached to the rear axle by means of a coiled spring. When the brake bar moves forward, it forces the break-shoes from contacting the wheels. When the brake bar moves backward, it forces the brake-shoes into contact with the wheels, thus stopping the vehicle. Illustration is included.
Date:
March 3, 1891
Creator:
Gregory, Joseph Pinkney
System:
The Portal to Texas History
Machine For Baling Vines, Hay, And The Like In Cylindrical Form
Patent for a machine that bales vines, hay, and the like into a cylindrical form. Illustration included.
Date:
March 13, 1906
Creator:
Scott, John T.
System:
The Portal to Texas History
Improvement in Road-Scrapers.
Patent for an improvement in road-scrapers which "consists in hanging the scoop to the carriage in such a manner that it may always be made to scrape in horizontal planes whether the carriage run on a level surface or on a hill side; and also in certain devices for holding the scoop suspended above the ground while moving from place to place." (Lines 9-16) Includes instructions and illustrations.
Date:
March 26, 1872
Creator:
Coy, Elihu E.
System:
The Portal to Texas History
Insecticide.
Patent for an insecticide for boll weevils, which is made of oil of sassafras, chalk, water, and sulfate of magnesia.
Date:
March 24, 1908
Creator:
Taylor, Henry C.
System:
The Portal to Texas History
Step.
Patent for an improvement in steps by using "a metallic frame or support composed of a series of light metallic plates, which are suitable shaped to adapt them for the purpose and then clamped and braced together,” (lines 13-17) includes illustration.
Date:
March 17, 1891
Creator:
Williams, Stephen P.
System:
The Portal to Texas History