UNT Libraries Government Documents Department - 8 Matching Results

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Adding-Machine.

Description: Patent for an adding-machine meant to "add fixed amounts of money received or to calculate the number of days a laborer has worked or the number of fractions of days" (lines 14-17). Mounted keys have mechanisms that rotate a ratchet wheel or disk. "Secured to the shaft upon which this ratchet wheel or disk is mounted is a rate-indicator, consisting of a disk divided off into radial sections, and also divided by lines running parallel to the circumference of said disk, dividing the same up into … more
Date: August 27, 1895
Creator: McElyea, James L.
Item Type: Refine your search to only Patent

Animal-Tread.

Description: Patent for improvements in animal-treads when “animal is placed in the tread, the single or double tree being attached to the arm c’, and thus in addition to his weight he will have his strength to operate the tread. The function of the rope and weight is to keep the traces and tree from under the animal’s feet in case he should slack his speed, and thus prevent his tripping.” (Lines 59-66) Illustration is included.
Date: June 16, 1891
Creator: Bevil, John R.
Item Type: Refine your search to only Patent

Car - Coupling

Description: Patent for a new and useful improvements in car-couplings. This design "relates to car-couplers of the pivoted-hook type" (line 11 -12).
Date: February 8, 1898
Creator: Chance, Ransom M.
Item Type: Refine your search to only Patent

Detachable Rubber Heel.

Description: Patent for "a rubber heel tap adapted for detachable connection to the heel of a boot or shoe, and which shall serve to cushion the fall of the heel," and "to provide a corrugated surface upon the face of the heel which shall adapt the same for service as an ice creeper." (Lines 14-21) Includes instructions and illustrations.
Date: May 28, 1895
Creator: Williams, Thomas Jackson
Item Type: Refine your search to only Patent

Knee and Head Block for Saw Mills.

Description: Patent for a new and improved knee and head block. This design consists, "with a saw-mill carriage, of a head-block extending flush with the outer edges of the tracks of said carriage and provided with the usual groove or recess extending the entire length of said head-block, a knee sliding in said groove and provided on its front vertical edge with a recess, and a log-supporter fitting flush within said recess and provided at its lower end with a forwardly-extending lug or projection" (lines 3… more
Date: April 29, 1890
Creator: Willis, George F.
Item Type: Refine your search to only Patent

Log-Cart.

Description: Patent for a log-cart in which "one end of the log is elevated or drawn up underneath the axle, while the other end drags along on the ground" (lines 14-17). This design is more efficient than other models of log-carts.
Date: February 2, 1897
Creator: Moon, Robert G.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for a "pump for effectively pumping oil or quicksand from wells troubled with quicksand." (Lines 8-10) Includes instructions and illustrations.
Date: March 30, 1897
Creator: Wintz, James Philip
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and improved wrench. This design "relates particularly to a combined pipe and nut wrench, and has for its object to provide a wrench of the class described which can be quickly changed to an ordinary wrench . . . [the] invention consists of a shank having a rigid jaw attached thereto, a movable jaw adjustable on the shank and an eccentrically-headed lever pivoted to the rear end of the movable jaw and bearing on the shank adapted to separate the rear end of the movable jaw and … more
Date: August 5, 1890
Creator: Hooks, George W.
Item Type: Refine your search to only Patent
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