180 Matching Results

Search Results

Results: 1 - 24 next

Claw-Bar for Drawing Railroad-Spikes.

Description: Patent for "an invention is an improved claw-bar for drawing railroad-spikes, the object of my invention being to provide the bar with a pivoted fulcrum-piece which is adapted to facilitate the engagement of the toe or claw of the bar with the head of a spike, to increase the leverage of the bar in withdrawing the spike, and to provide means to relieve the pivots or trunnions of the fulcrum-piece of stress when the bar is being operated todraw a spike." (Lines 8-17) Illustration is included.
Date: November 5, 1901
Creator: Smitham, Nicholas L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Corn-Shuck Chopper.

Description: Patent for "an implement for cutting and removing the corn shuck or husk from the ear of corn more rapidly than any machine in the market. The invention consists of a table having in the middle of the top a longitudinal recess wit grooves on its sides, in which by means of pressing down a treadle a horizontal knife-blade slides to and fro. This knife-blade carries on its upper side a pair of movable clamps for holding an ear of corn in its place against an upright standard which is fastened on … more
Date: November 5, 1901
Creator: Pluck, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boat-Propeller.

Description: Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date: February 5, 1901
Creator: Caffey, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen