Axle Box for Locomotives. (open access)

Axle Box for Locomotives.

Patent for a new and improved axle-box for locomotives. This design consists in "[t]he combination, with a pedestal, of an axle-box mounted to slide vertically in the said pedestal, a second axle-box mounted with one side in a bearing in the said pedestal, and a connecting-rod secured to the last-named axle-box and pivotally connected with the first-named axle-box" (lines 67-73).
Date: April 2, 1889
Creator: Chase, Ransford T.
System: The Portal to Texas History
Line-Shaft Oiler (open access)

Line-Shaft Oiler

Patent for improvements to line-shaft oilers to more easily oil bearings and prevent oil waste.
Date: April 2, 1918
Creator: Collins, Joseph P.
System: The Portal to Texas History
Turning-Tool for Bale-Band Fasteners. (open access)

Turning-Tool for Bale-Band Fasteners.

Patent for a new and useful turning-tool for bale-band fasteners “which can be readily applied to and removed from the fastener, while at the same time providing positive means for exerting a powerful leverage upon the turning or winding element of the fastener to insure the taking up of a maximum amount of slack in a bale-band with a minimum movement.” (Lines 15-22.) Illustration is included
Date: April 2, 1901
Creator: Campbell, Douglas M.
System: The Portal to Texas History
Flap-Valve (open access)

Flap-Valve

Patent for a flap valve for use in blowing engines that increases the life of the valve plates.
Date: April 2, 1912
Creator: Scott, Clarence N.
System: The Portal to Texas History
Single Trigger Mechanism For Double-Barrel Guns (open access)

Single Trigger Mechanism For Double-Barrel Guns

Patent for "new and useful improvement in Single Trigger Mechanism For Double-Barrel Guns (lines 5-7)."
Date: April 2, 1918
Creator: Lindsay, Charles W.
System: The Portal to Texas History