Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design consists in "a draw-head having a slotted top and a recessed bottom, of a transverse slotted bar journaled in bearings, one end being extended for the attachment of a handle, and the headless coupling-pin having the reduced or flattened portion to permit of its ready insertion and withdrawal from the transverse bar" (lines 73-80).
Date: January 11, 1887
Creator: Dial, Augustus A.
System: The Portal to Texas History
Tire Tightener. (open access)

Tire Tightener.

Patent for a new and improved tire-tightener. This design has "parts [that] are the width of a felly and a fraction less their depth, and bearing solid against their ends are held in place by flanges on each end. As the screw is turned in it forces the parts against the ends of felly, forcing the fellies against the tire, and is prevented from coming in contact with the tire by a rubber fender, or of other substance placed under tire-tightener. Fender is held in place by flanges at each side on bottom of tire-tightener; is also provided with a sliding joint on sides to cover the opening made by expansion" (lines 14-26).
Date: February 2, 1886
Creator: Pluck, James H.
System: The Portal to Texas History
Envelope-Machine (open access)

Envelope-Machine

Patent for "a machine for making envelopes, paper bags, and similar receptacles from paper and other like materials" (lines 7-9).
Date: November 13, 1888
Creator: Clarke, George R.
System: The Portal to Texas History
Saw Tooth. (open access)

Saw Tooth.

Patent for a new and improved saw tooth. This design "relates to saws having attachable and detachable teeth held to their places by locking plates or keys inserted, like the teeth, within recesses in the saw-plate; and it consists in a novel construction of the parts, also in combining with the same a spring-bolt, whereby each tooth and its locking key are securely held in position, with facility for detachment when required, and whereby, also, any drawing action, in cutting of the wood on the tooth, tightens the attachment of the tooth" (lines 8-18).
Date: July 29, 1884
Creator: Conover, Philip V.
System: The Portal to Texas History
Electric Car-Brake. (open access)

Electric Car-Brake.

Patent for a new and improved electric car-brake. This design "consists in a car-brake formed of a pinion attached to the car axle, the pinion taking in a ratchet-wheel provided with a projecting pin, that enters into the slots of a wheel provided with a sleeve, upon which the brake chain is wound, which sleeve can be moved on the axle by means of a lever that is actuated by a rod passing into a helix connected with a battery to the locomotive" (lines 11-19).
Date: February 24, 1880
Creator: Conover, Philip Vorus
System: The Portal to Texas History
Electric Car Brake. (open access)

Electric Car Brake.

Patent for a new and improved electric car brake. This design "consists in a combination . . . of a friction-wheel mounted on a laterally-adjustable vertical shaft, provided at its upper end with a beveled cog-wheel, engaging with a beveled cog-wheel on a horizontal shaft, journaled in the under side of the car-floor, on which horizontal shaft is loosely mounted a worm, which engages with a worm-wheel mounted on [a] shaft . . . when this worm is locked on the shaft . . . the brake-chain will be wound on the shaft of the worm-wheel, and the brakes will be applied" (lines 10-23).
Date: September 26, 1882
Creator: Conover, Philip Vorus
System: The Portal to Texas History