TRANSLATION MOTION REDUCTION GEAR Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: reduction gear is provided with drive slider 4 having two threads, threaded shaft having three threads one of which is used for first thread of shaft 2; threaded bush 3 is provided with three threads one of which is used for engagement with second thread of shaft and other two threads are used respectively for engagement with second thread of drive slider 1 and first thread of driven slider 4 whose second thread in used for engagement with third thread of shaft. EFFECT: increased ratio. 2 dwg