Car-Coupling. (open access)

Car-Coupling.

Patent for improvements in car-couplings by using coupler-head, coupling-pin, different shapes of plates, operating-lever and link-lifter to “couple and uncouple cars without necessitating a person passing between the cars.” (Lines 14-15) Illustration is included.
Date: October 13, 1891
Creator: McBride, Thomas Anderson
System: The Portal to Texas History
Crank-Axle Adjustment. (open access)

Crank-Axle Adjustment.

Patent for a crank axle adjustment "to simplify and produce and efficient crank axle that will efficiently perform its function in connection with the general structure of a plow or cultivator." (lines 13-17)
Date: June 15, 1920
Creator: Kopplin, Otto E.
System: The Portal to Texas History
Cultivator. (open access)

Cultivator.

Patent for a new and improved cultivator. This design "relates to cultivators; and it has for its object to construct a device of this class . . . in which the blades or shovels shall be attached to the standards in such a manner that in the event of obstacles such as rocks or stumps being encountered during the operation of [the] machine the blades shall become detached, thereby avoiding injury to the machine" (lines 9-18).
Date: September 30, 1890
Creator: Messer, Jeremiah Clark; Garner, Allen & Williams, John Winn
System: The Portal to Texas History
Cotton Chopper. (open access)

Cotton Chopper.

Patent for a new and improved cotton chopper. This design "is to provide cotton-choppers constructed in such a manner that the cotton will be chopped to a stand by the passage of the machine along the rows of plants, leaving the hills of plants at uniform distances apart, and which shall be simple in construction, readily controlled, and convenient in use" (lines 17-24).
Date: November 30, 1886
Creator: Puls, Ernst C. A.
System: The Portal to Texas History