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in subjects: "doors"  
Results: 1 - 7

Car Door.

Description: Patent for a new and improved door for railroad cars. This design consists in "[t]he combination, with the car having the door-opening with its upper and lower edges parallel and inclined upward and inward, and the bolt-keeper secured to the sill of the car, of the door having correspondingly-inclined upper and lower edges, the guide-staple and fulcrum-bracket secured to the door at proper points, the operating-lever pivoted to said bracket, the link-rods and bolt, the [other] link-rod pivoted … more
Date: May 28, 1889
Creator: Charlton, James
Partner: UNT Libraries Government Documents Department

Car Journal-Box.

Description: Patent for "new and useful improvements in car journal boxes, and more particularly to the box in which the journal of the axle of the ordinary railway car has a bearing." (lines 8-12)
Date: August 29, 1916
Creator: Law, Charles R.
Partner: UNT Libraries Government Documents Department

Hinge

Description: Patent for a hinge. Illustration included.
Date: March 10, 1908
Creator: Donaldson, James W.
Partner: UNT Libraries Government Documents Department

Screen Attachment

Description: Patent for window and door screens to prevent the entrance of insects inside and prevents the escape of those already inside, which inevitably collect on the inside of the screen.
Date: March 9, 1915
Creator: Simons, William S.
Partner: UNT Libraries Government Documents Department

Sealing Device.

Description: Patent for improvements in the design of devices used for sealing car doors, including illustrations and a description. The device is designed in such a way that the seal may not be removed in the locked position without breaking the door, thus preventing theft.
Date: July 1, 1913
Creator: Fox, Charles E.
Partner: UNT Libraries Government Documents Department

Door Hanger.

Description: Patent for a new and improved hanger for doors and gates. This design consists in "the brackets secured to a door or gate way at intervals apart and having the horizontal supporting arms, the track made of angle-iron and having the horizontal treadway secured to the arms of the brackets, and the upwardly-extending flange at the outer edge of the treadway, and the hangers secured to the door or gate and having their upper portions bent to form an inverted U-shaped yoke or frame, and rollers jour… more
Date: May 17, 1887
Creator: Charlton, James
Partner: UNT Libraries Government Documents Department

Door-Stop.

Description: Patent for a door stop, which is made of metal and attaches easily to the door.
Date: March 16, 1909
Creator: Snowden, Rene Ravenel
Partner: UNT Libraries Government Documents Department
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