Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 524
er in a direction perpendicular to the lines is effected bymeans of a spider-wheel v, made fast to the shaft end of the roller /, and by means of a lever ,S, andspring u. When the car is pulled to the right, one of the spokes of the spider-wheel v is pressed againstthe inclined side of the lever S,… … 518 PRESS, LITHOGRAPHIC PRINTING. free on the shaft of the band pulley, and carries a ratchet so arranged in relation to a ratchet wheel up«on the shaft, that when the car is moved to the right the pulley turns freely, and when the car moves tcthe left, the pulley carries the other pulley with it;…
Mechanical engineering
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