Description: Patent for a new and improved press. This design consists in "a suitable frame-work, the follower, two sets of toggle-arms which are operated by a screw, and two sets of toggle-arms which extend at right angles to the two sets which are operated by the screw, and which second set are operated by a rope and tackle . . . The object of [the] invention is to produce a very powerful press in which the follower is operated by four sets of toggle-joints, two of which are operated by a screw and the other two by a rope and tackle, so as to produce twice the amount of power usually exerted in toggle-joint presses" (lines 15-29).
Date: June 14, 1887
Creator: Drew, John Melvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department