UNT Libraries Government Documents Department - 5 Matching Results

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Mechanical Movement.

Description: 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).
Date: March 16, 1909
Creator: Oswald, William S.
Item Type: Refine your search to only Patent

Curtain Roller

Description: Patent for a curtain roller. The invention is designed to slow the curtains movement so that the curtain can be adjusted. Illustration included.
Date: October 12, 1909
Creator: Tripp, Hamilton
Item Type: Refine your search to only Patent
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