RECIPROCATING DISPLACEMENT MECHANISM Russian patent published in 1997 - IPC

FIELD: transportation system; load-lifting mechanisms or working members of manipulators. SUBSTANCE: reciprocating displacement mechanism has base 1 with guides 2 and drive 3. Two equal- size sprockets 8, 9, 10, 11 are rigidly mounted on axles 4, 5 of two return sheaves 6, 7. Two different size sprockets 12, 13 are rigidly secured on axle 14 of transported object 15. Axle of object 15 is coupled with object 15 through one or several bearings. Closed drive chain 18 is reeved through sprockets 8, 9, 10, 11 of sheaves 6, 7 and sprockets of object 15. EFFECT: enlarged operating capabilities. 5 cl, 2 dwg