You're viewing this item in the new Europeana website. View this item in the original Europeana.

SCREW-TYPE MECHANISM OF A ROTARY DISK

Link 1 rotates about axis x-x and is connected by screw pairs E and F to links 2 and 3 which, in turn, are connected by turning pairs C and D to links 4 and 5. Links 4 and 5 are of equal length and are connected by turning pairs A and B to disk 6 which turns about fixed axis O. Link 1 has right- and left-hand screw threads, a and b. Rods d and f of links 2 and 3 slide in the corresponding holes i …