UNT Libraries Government Documents Department - 4 Matching Results

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Folding Ladder.

Description: Patent for a new and improved folding ladder. This design consists in "the combination, with main supporting-strips, of recessed auxiliary strips connected thereto, rounds formed with bows, sections which pass through the recesses of the auxiliary strips, and stops which bear against the main supporting strips, and strengthening strips, through which the bows of the rounds pass" (lines 77-84).
Date: December 27, 1887
Creator: Ethridge, William Spencer
Item Type: Refine your search to only Patent

Anti-Friction Wagon Slide.

Description: Patent for a new and improved anti-friction wagon slide. This design "consists of flat side pieces provided with bolt-holes near their ends, and connected to diametrically-opposite points of nearly-cylindrical end pieces, which have holes through their axes for the reception of the roller-shaft. The recess is so formed that the lower portion of the end pieces shall bear against its ends when the frame is put in place. This arrangement, together with the bolts through the corners of the frame an… more
Date: July 27, 1886
Creator: Jowell, George Ratcliff.
Item Type: Refine your search to only Patent

Ventilator.

Description: Patent for a new and improved ventilator. This design consists in "[t]he improved combined flue and ventilator . . . consisting of an outer casing surmounted by a cap and provided with a central flue, funnels hinged to the outer casing and provided with flexible connections for elevating the same, and means for conducting the air downward from said funnels" (lines 8-15).
Date: April 27, 1886
Creator: Shanley, Michael H.
Item Type: Refine your search to only Patent
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