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Nut-Lock.

Description: Patent for a nut-lock that is meant to be screwed onto a bolt, threaded shaft, axle spindle, or other similar screws. The nut has an improved construction and a lock that consists of a tiny pin that must be pulled out before the nut can be unscrewed.
Date: September 19, 1893
Creator: Stewart, William Mills
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvement in car-couplings by using many separate parts to work together to connect cars; and it can be operated without the operator going between the cars. Illustration is included.
Date: October 6, 1891
Creator: Goss, Wilson Lumpkin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvements in car-couplings in which it can be adapted “to the draw-heads of car-couplings that is already in used and that there need not be two similar couplings of this character in order to permit the device to operate successfully.” (Lines 74-78) Illustration is included.
Date: October 13, 1891
Creator: Yates, Junius E. M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a novel, simple, and practical car coupling that has a link and gravity pin. It "may be set to coupe two of the improved couplings on approaching cars, when these devices engage each other, and also that may be manipulated by the usual lever or chain attachment to uncouple two connected drawheads, effecting such a detachment from the sides or roof of the car" (lines 12-19).
Date: October 17, 1893
Creator: Tiner, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a car-coupling that has a "simple construction which can be operated without going between the cars both in coupling and in uncoupling, and also to provide for adjusting the height of the coupler or draw head so that cars of different heights can be readily coupled" (lines 17-22).
Date: September 18, 1894
Creator: Duggan, Nicholas S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Car Coupling and Bumper.

Description: Patent for a combined car coupling and bumper. It has a draw-head with a throat, mouth, recess, and coupling pin hole; the recess has a slot that opens into the front of the draw-head; a lock-block that fits in the slot; a pin-seat that receives the lock-block; a spiral spring that holds in the pin-seat; and a coupling pin in the pin seat and a link.
Date: October 2, 1894
Creator: Wallace, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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