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Nut Lock.
Patent for a new and improved nut-lock. This design "is to produce a nut-lock which will require a minimum number of parts to adjust, will require no other tools than a wrench, which will stay where adjusted in spite of any amount of pounding or concussion, and which, when desired, may be removed without difficulty. To this end [the] invention consists in a nut provided with a serrated face and a washer having sharp spring-lips engaging with the serrations. [The] invention also consists in a peculiarly-constructed washer for locking the nut" (lines 18-30).
Date:
December 6, 1887
Creator:
Parks, John W.
System:
The Portal to Texas History
Roller Cotton-Press
Patent for a new improved Roller Cotton-Press. The "invention relates to machines for compressing cotton and other similar material into the form of cylindrical bales." (lines 15-18). Includes description and illustrations.
Date:
July 19, 1887
Creator:
Evans, Henry A.
System:
The Portal to Texas History