UNT Libraries Government Documents Department - 658 Matching Results

Search Results

Dust Guard for Car Windows.

Description: Patent for a new and improved dust guard for windows. This design consists in "the body . . . which is of concavo-convex form, closed at its upper end by a transverse plate and provided at its lower end with a contracted opening for the discharge of cinders, dust, &c., said body portion being provided with means . . . for affecting its attachment to a window frame" (lines 77-85).
Date: May 17, 1887
Creator: Duzan, Thomas H.

Device for Converting Reciprocating into Rotary Motion.

Description: Patent for a new and improved device for converting reciprocating into rotary motion. This design "has for its object to provide means whereby rotary motion may be converted into reciprocating motion or reciprocating motion into rotary motion without the intervention of cranks; and to this end it consists in a mutilated gear pinion secured to a rotating shaft and provided with suitable cams, whereby the gear-teeth upon the pinion are caused to engage with gear-teeth upon a yoke embracing said p… more
Date: July 18, 1882
Creator: Richardson, John T.

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings of that class which have a sliding spring-actuated pin-support, against which the link comes to drive the support back and permit the pin to fall and effect an automatic coupling" (lines 9-13).
Date: May 6, 1884
Creator: Mayfield, Samuel Brooks

Cultivator.

Description: Patent for a cultivator with adjustable teeth positions to allow for variation in distance between rows or different types of crops.
Date: March 26, 1907
Creator: Vance, Sidney, F.
Back to Top of Screen