UNT Libraries Government Documents Department - 4 Matching Results

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Combined Swingletree and Evener.
Patent, including illustrations, for improvements to combined swingletrees and eveners, tools used to equalize strain between a draft animal and vehicle, "which is easily and simply constructed, inexpensive to manufacture, and one which will be very efficient in operation" (lines 22-25).
Mechanical Movement.
Patent for a mechanical movement for ratchet feeding mechanisms " in which movement is imparted from a rocking lever to a ratchet wheel through the medium of a plurality of pawls that are so connected to the lever as to operate on the ratchet wheel during movement of the levers in both directions"(lines 10-16).
Necktie-Retainer
Patent for necktie retainers that can be slipped into turndown collars while retaining neckties or scarfs against pulling down or moving sidewise, with illustration (lines 10-15).
Post driver
Patent for a portable post driver.
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