UNT Libraries Government Documents Department - 5 Matching Results

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Draw-Bar for Locomotives.

Description: Patent for an improved draw-bar for locomotives that consists of a frame, a pilot and draw bar, a counterweight that moves vertically in the pilot, a coupler head with a knuckle and a toe and a guide arm, and a release mechanism for the locking device on the bar.
Date: January 9, 1894
Creator: Heidelberg, Samuel R.
Item Type: Refine your search to only Patent

Grinding Planer Knife.

Description: Patent for a new and improved attachment for grinders of wood-planing-machine knives. This design "may be securely attached to the frame of a wood-planing machine for grinding the revolving knives of the planer without removing the knives from its shaft or the shaft from its bearings upon the frame of the machine. . . . in so constructing and combining the parts of the improved device . . . it may be readily adapted to suit various-sized machines" (lines 10-22).
Date: November 9, 1880
Creator: Le Roy, Charles Jerome
Item Type: Refine your search to only Patent

Improvement to Fire-Box for Boilers

Description: Patent for the improvement of fire-boxes for broilers by reducing the draft and “causing a more complete mixture of the fuel and air and consequently a more thorough combustion of the fuel” (lines 13-16). Instructions and illustration included.
Date: February 9, 1915
Creator: Shaw, Carl C.
Item Type: Refine your search to only Patent
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