UNT Libraries Government Documents Department - 5 Matching Results

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Machine For Grinding Valve Seats
Patent for a simpler machine for Grinding Valve-Seats. This machine relates to the machinery involved in the grinding and finishing of valve seats.
Adjustable Attachment for Freight-Car Doors.
Patent for a mechanism that creates "an adjustable attachment for freight-car doors, for preventing sparks and other objectionable matter from getting into the cars, and means for operating the attachment that is adapted for use in securing the door in different positions of adjustment, and for connection with the body of the car by means of a seal-support, in order that the fixed adjustment of the door cannot be changed without breaking the seal" (lines 12-21).
Mechanical Movement
Patent for invention has relation to mechanical movement and object is to provide a mechanical means for operating trip lever or other devices, and to this end the novelty consists in the system of lever cranks.
Hand Car.
Patent for a new and improved hand-car. This design has "such construction and arrangement of the cranks and levers of hand-cars that the maximum amount of the power exerted upon the levers by the operators will be applied to the propulsion of the car" (lines 7-12).
Rack and Spool for Holding Rope Coils.
Patent for a new and improved rack for ropes. This design "consists in a peculiar construction of frame and arrangement of the spools or reels upon the frame to secure a light and compact structure of sufficient stability to support the required number of rope-coils" (lines 15-19).
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