UNT Libraries Government Documents Department - 155 Matching Results

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Adjustable Book Support.

Description: Patent for a new and improved book rest. This design consists "of an upright pivoted in a support or base, a sliding lower supporting cross-bar, an upper sliding supporting-bar, both bars having sockets upon their rear sides sliding upon the upright and provided with set-screws, and leaf-clamps consisting of a piece of spring doubled at one end to form slides sliding upon the arms of the upper cross-bar, forming curved yielding portions, forming transverse eyes at the other ends, having flat bl… more
Date: November 25, 1884
Creator: Johnson, William Oscar
Item Type: Refine your search to only Patent

Antiskid Device

Description: Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.
Date: February 17, 1920
Creator: Smith, Ross
Item Type: Refine your search to only Patent

Baling Press.

Description: Patent for a new and improved baling-press. This design consists in "[t]he combination of the frame or support, the lever-arms, the winch and the ropes connecting the said arms thereto, the follower, the toggle-jointed levers connecting the said follower with the frame, and the rods connecting the joints of the said levers to the lever-arms, with the follower and the fulcrumed levers, having their inner ends connected to the follower and their outer ends connected to [a different] follower wher… more
Date: March 30, 1886
Creator: Robburts, George W.
Item Type: Refine your search to only Patent

Baling Press.

Description: Patent for a new and improved baling press. This design consists in "the combination of sill having uprights or fulcrums, levers mounted upon the latter, a follow-block connected to the inner ends of said levers by loose joints, a vertically-sliding follower, rods connecting the outer ends of said follower with the outer ends of the levers, and mechanism for operating the follower . . . the follower moving vertically above the sill, levers pivoted to uprights or fulcrums upon the sill, and havi… more
Date: February 5, 1884
Creator: Robburts, George W.
Item Type: Refine your search to only Patent
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