UNT Libraries Government Documents Department - 1,397 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

Cotton-Stalk Knocker.

Description: Patent for improvements in cotton-stalk knockers. This invention "relates to cotton-knockers, and more particularly to a device of this class which may be readily attached to or combined with a wheeled cultivator of usual form" (lines 11-14). Includes specifications and illustrations.
Date: June 5, 1900
Creator: Chitty, Robert Henry
Item Type: Refine your search to only Patent

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

Car-Seal.

Description: Patent for a car seal, made of a long, thin, and narrow metallic strip. When it is looped through two parts of the car body, the ends can be pinned together with sealing irons. This car seal cannot be tampered with without visible evidence showing.
Date: December 5, 1911
Creator: Lawler, Claude B.; Bryan, William A. & Keller, John.
Item Type: Refine your search to only Patent
Back to Top of Screen