UNT Libraries Government Documents Department - 8 Matching Results

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Animal-Trap

Description: Patent for an animal trap that requires the animal to fully enter the jaws of the trap to reach the bait and that reliably springs the trap upon the entrance of an animal but not when refilling the bait in the trap.
Date: March 26, 1907
Creator: Dubois, James Madison
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a pipe wrench. "One object of the invention is to provide an exceedingly simple, inexpensive, durable, and efficient" (lines 12-14) pipe wrench. "Another object of the invention is to obviate the use of link connections and yet obtain a positive binding action off the jaws upon the pipe, bolt, or other object to which the device may be applied." (lines 15-19)
Date: March 27, 1906
Creator: Coffman, Seburn E.
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for improvements in car-couplings by using a combination of “a rod pivoted at its front end to the side of the draw-head and pivotally connected at its rear end..... when the draw-head is driven to the rear by the force of the blow received in coupling with another draw-head, the lug will be pressed to the front,” (lines 30-40) illustration is included.
Date: March 17, 1891
Creator: Bright, Tom Full
Item Type: Refine your search to only Patent

Quilting Frame.

Description: Patent for a new and improved quilting frame. This design consists in "[t]he combination of the track-bar having the brackets on its ends, the continuous suspension-wire extending between the extremities of the said brackets and extending longitudinally in the rear of the track-bar, the movable block inserted between the rear portion of the suspension-wire and the rear side of the track-bar, the pulleys mounted on the suspension-wire, and the carrier-bar carrying the quilting-frame and connecte… more
Date: March 11, 1890
Creator: Raines, Burress Wesley
Item Type: Refine your search to only Patent
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