Resource Type

Saw Gummer or Sharpener. (open access)

Saw Gummer or Sharpener.

Patent for an apparatus "which may be easily applied to a gang of gin saws, which is arranged in such a manner that the grinder may be quickly and nicely adjusted so as to properly fit the teeth of the saws and to enter between them to any desired distance, also to provide a simple and efficient feed mechanism which moves the saws tooth by tooth as they are ground, to provide a simple means of regulating the pitch of the grinder, and in general to produce a machine which enables the saws to be rapidly and nicely ground so as to leave the teeth their full, original length and openness." (Lines 13-25) Includes instructions and illustrations.
Date: November 13, 1894
Creator: Oglesby, Jerrold E.
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for improvements in rail-joint fastenings by providing “curved fish-plates with bearing-surfaces adapted to receive rubber washers, and the bolt has a slot through which the tapered split key is passed and the thin portion thereof turned up against the bolt to prevent displacement.” (Lines 20-25) Thus it will “securely retain in position, easily removed when desired, and [will] prevent rattling sounds as the cars pass over the rails.” (Lines 16-19) Illustration is included.
Date: October 13, 1891
Creator: Wiley, John Martin
System: The Portal to Texas History
Quilting-Frame. (open access)

Quilting-Frame.

Patent for a quilting frame that has "a novel means of supporting and tilting the track, and also other features" (lines 15-16). The frame is suspended in a track, and the track can be tilted so the frame can run in bot directions on the track.
Date: March 13, 1894
Creator: Banker, John P.
System: The Portal to Texas History