Nut Lock. (open access)

Nut Lock.

Patent for a new and improved nut lock. This design consists "[i]n a nut-lock, the combination, with a screw-threaded bolt and nut, of a pair of arms pivoted or hinged together, said arms having annular screw-threaded grooves formed therein adapted to register with the threads on the bolt, and means for locking the arms together" (lines 76-81).
Date: April 27, 1886
Creator: Clark, Fred
System: The Portal to Texas History
Cotton Gin Feeder. (open access)

Cotton Gin Feeder.

Patent for a new and improved cotton-gin feeder. This design consists in "a rectangular inclined box, endless feeding belts having spiked slats, the revolving fan at the upper end of the inclined box, and screen at the opposite end and lower side of the box, through which the sand and dirt from the cotton may escape, the current of air from the revolving fan assisting in expelling the sand and dirt, the latter falling between the slats and down the inclined bottom of the box and out through the screen" (lines 73-83).
Date: June 22, 1886
Creator: Wiley, Jesse G.
System: The Portal to Texas History