Axle Lubricator. (open access)

Axle Lubricator.

Patent for a new and improved axle lubricator. This design "consist[s] of a box provided with bearings in which the axle works, and with a cellar below the said bearings for the reception of the waste for containing the lubricant; [and] . . . of a frame in which the box fits, . . . being provided with screws for elevating or depressing the box, whereby it may be kept always in contact with the axle . . . The object is to produce an axle or journal lubricator . . . [that] will keep the bearings of an axle or journal shaft thoroughly lubricated at all times, thereby preventing the same becoming heated and swelling" (lines 14-35).
Date: May 21, 1889
Creator: Good, William
System: The Portal to Texas History
Car Door. (open access)

Car Door.

Patent for a new and improved door for railroad cars. This design consists in "[t]he combination, with the car having the door-opening with its upper and lower edges parallel and inclined upward and inward, and the bolt-keeper secured to the sill of the car, of the door having correspondingly-inclined upper and lower edges, the guide-staple and fulcrum-bracket secured to the door at proper points, the operating-lever pivoted to said bracket, the link-rods and bolt, the [other] link-rod pivoted at its lower end to the operating-lever" (lines 4-14).
Date: May 28, 1889
Creator: Charlton, James
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for a new and improved plow. This design "relates to double-mold-board plows, such as lister or middle-breaking plows. Its principle features are the depressed center bar, the removable point upon the center bar, and the removable shares" (lines 8-12).
Date: May 28, 1889
Creator: Tebbetts, Lewis B.; Pope, Charles H. & Stewart, John A.
System: The Portal to Texas History