Rock Drill. (open access)

Rock Drill.

Patent for a new and improved rock drill. This design consists in "the combination, with the bit having the inclined cutting-edge extending diagonally from one end to the other and the curved recesses formed in the sides of the bit, of the passage-ways or grooves at either end of said cutting-edge opening into the said recesses" (lines 64-70).
Date: December 28, 1886
Creator: Rader, Powell
System: The Portal to Texas History
Heel Brace. (open access)

Heel Brace.

Patent for a new and improved heel-brace. This design "consist[s] in a semi-circular rim provided with two downward side extensions, the lower ends of said extensions being provided with inwardly extending lugs adapted to lie under the heel of a boot or shoe, said rim being also provided on its rear side with a downwardly-extending projection shorter than the side extensions, the lower ends of the extensions being provided with openings for the reception of screws" (lines 63-73).
Date: December 28, 1886
Creator: Edney, Cartwright Jones
System: The Portal to Texas History
Permutation-Lock. (open access)

Permutation-Lock.

Patent for an improvement in permutation-locks with illustrations.
Date: December 28, 1886
Creator: Haley, Auslem Jayne
System: The Portal to Texas History
Door Check. (open access)

Door Check.

Patent for a new and improved door-check. This design "consists in a slotted plate provided at one end with a buffer for arresting the door, and having in the walls of the longitudinal slot series of diagonal slots, in combination with a counterweighted latch provided with trunnions received in the diagonal slots" (lines 21-27).
Date: December 28, 1886
Creator: Hinkle, William A. & Jeffery, Franklin C.
System: The Portal to Texas History
Corn and Cotton Planter. (open access)

Corn and Cotton Planter.

Patent for a new and improved planter. This design, when used "as a corn-planter the slotted plate upon the inclined portion of the bottom is adjusted to cover the entire slot, and the pitman is attached to the pin projecting from the bar operating the seed slide, and when the machine is to be used as a cotton-planter the pitman is attached to the crank at the side of the seed-box, and the plate in the bottom of the box is adjusted so as to give the slot sufficient width to allow the cotton-seed to be forced through it" (lines 84-94).
Date: December 28, 1886
Creator: Armstrong, John J. & Lowrey, Andrew S.
System: The Portal to Texas History
Adjustable Attachment for Freight-Car Doors. (open access)

Adjustable Attachment for Freight-Car Doors.

Patent for a mechanism that creates "an adjustable attachment for freight-car doors, for preventing sparks and other objectionable matter from getting into the cars, and means for operating the attachment that is adapted for use in securing the door in different positions of adjustment, and for connection with the body of the car by means of a seal-support, in order that the fixed adjustment of the door cannot be changed without breaking the seal" (lines 12-21).
Date: December 28, 1886
Creator: Duzan, Thomas H.
System: The Portal to Texas History
Combined Wheel Cultivator And Plow (open access)

Combined Wheel Cultivator And Plow

Patent for improvements to a combined wheel cultivator and plow, "whereby either mold-board plows or shovel-cultivators may be used upon a common frame" (lines 16-18). Includes illustrations.
Date: December 28, 1886
Creator: Wahrmund, Charles, Jr.
System: The Portal to Texas History