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Wheel Hub.

Description: Patent for a new and improved wheel hub. This design consists "[i]n a sectional hub, each spoke-socket having a separate side opening closed by a plate [that] fit[s] into an annular groove . . . of the cylinder . . . and [is] held by bolts passing between the tenons of spokes, to allow each spoke to be separately reached and tightened by a wedge under the end of its tenon" (lines 59-65). This "obviate[s] the necessity of removing the wheel-tire for replacing a broken spoke with a new one" (line… more
Date: December 14, 1880
Creator: Oualline, Edward Napoleon
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Primer for Cannon.

Description: Patent for a new and improved primer for cannons. This design corrects the loosening of primers in their vent-holes by way of "a spring combined with the priming tube, which spring expands to the size of the vent" (para. 3). This eliminates blowouts and premature breakage.
Date: September 14, 1880
Creator: Rodman, John Black
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spoke Socket.

Description: Patent for a new and improved vehicle wheel for "preventing the tire from becoming loose" and "preventing the loosening and rattling of the spokes" (lines 8-11). This design achieves these feats with conically-tipped spokes encased by rubber cushions.
Date: September 14, 1880
Creator: Harrington, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring Frame for Freight Cars.

Description: Patent for new and improved springs for transportation. This design provides "vehicles for the transportation of merchandise . . . with an interior spring-padding, and in some cases with intermediate elastic floors or partitions, by which injury to the load, by jolting while in transit, shall be prevented, and which shall further conduce to the preservation of fruits and other merchandise of a like perishable nature" (lines 22-30).
Date: December 14, 1880
Creator: Shirley, Joseph J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Finger-Exercising Machine.

Description: Patent for a finger-exercising machine that is meant to improve the finger strength and flexibility of musicians. "A cylinder provided with friction-rollers imparts motion to a set of keys upon which the fingers are placed; and the object of [the invention] is to impart flexibility to the fingers, and to overcome the otherwise difficult motion" (lines 11-16).
Date: September 14, 1880
Creator: Becker, Francis L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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