29 Matching Results

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Reamer. (open access)

Reamer.

Patent for a new and improved reamer. This design "relates to reamers for use in boring artesian wells and other similar purposes; and it consists, essentially, of a hollow cylindrical body adapted to be attached to a suitable driving-head and provided with peripheral expansion-cutters operated by an internal plunger" (lines 11-17).
Date: December 30, 1890
Creator: Welke, William Robert
System: The Portal to Texas History
Railway Gate. (open access)

Railway Gate.

Patent for improvements to "cattle-guard gate for railroads in particulars of construction (lines 8-10). Includes illustrations.
Date: December 2, 1890
Creator: Grisham, James M.
System: The Portal to Texas History
Mosquito Net Frame. (open access)

Mosquito Net Frame.

Patent for a new and improved mosquito-net frame. This design "has for its object to provide a frame . . . capable of convenient attachment to or of detachment from any bedstead, and which when attached will be firmly braced and firmly held against lateral movement" (lines 9-14). It consists, "with the standards having tenons at their upper ends, the rear and side bars having eyes receiving said tenons, and a front bar connecting the front ends of bars, of the horizontal angle-plates mounted at their rear ends on the ends of the bar" (lines 22-28).
Date: December 9, 1890
Creator: Lottman, Albert C.
System: The Portal to Texas History
Gage for Job Printing Presses. (open access)

Gage for Job Printing Presses.

Patent for a new and improved gage. This design consists in "the gage-bar provided at both ends with spring-clasps for engaging the platen, combined with gage-pins doubled upon themselves at their inner ends and engaging the gage bar and adjustable laterally" (lines 83-88).
Date: December 9, 1890
Creator: Jones, Charles E.
System: The Portal to Texas History
Cultivator. (open access)

Cultivator.

Patent for a new and improved cultivator. This design "is to produce . . . cultivators [that] can be adjusted laterally in relation to each other and turned at any desirable angle, and in which the frame and the beam can be made to stand at any desired angle to each other" (lines 17-23). It consists in "a semicircular frame, two vertical plates secured to the ends of the said frame and having their upper edges serrated, blocks placed between the plates, the plates, bolts for clamping them to opposite edges of the vertical plates, and the cultivators which pass through the plates and the beam" (lines 8-15).
Date: December 16, 1890
Creator: Ford, John Owen
System: The Portal to Texas History