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Knight's Mechanical Encyclopedia (ed. Knight), P. (search)
t d, which is propelled by pitman and intermediate gearing from the treadle i. The arm m s is the roller-carrier, which swings on a pivot r, and carries the rollers n n alternately over the form and the revolving disk t, which distributes the ink; g is a counterweight to balance the swinging bed and attachments, and operates the movable fingers by a spring bar a. A feed-board v rests on top of the frame of the press. The platen is moved by set-screws, and is covered by the usual blanket. Denny press. Gordon's press (Fig. 3955, lower one), patented March 3, 1874, has a rocking platen and bed, bound together by a compound toggle-lever, which holds them in locked position during the impression, as seen in the figure. By straightening the togglelever, the bed and platen are rocked back out of parallelism, the form on bed a is rolled, and a fresh sheet fed to platen b. Bryson's inking apparatus for printing-presses, patented June 30, 1874, relates to a means for inking the type