SCREW TRANSMISSION Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: carriage 1 is provided with stop-adjusting nuts 6 and 7 at its end faces. The nuts interact with threaded parts of the carriage. The mechanism for movement and locking nuts 3 and 4 is constructed as two collets 8 and 9 used for interaction with outer rings of bearings 5, two bushings 10 and 11 used for interaction with respective collets 8 and 9, block 12 with ball locator 13 mounted in the opening of the boss of the carriage and used for interaction with outer sides of bushings 10 and 11 by one of its end faces, and lever for shifting reverse used for interaction with other ends of the block. The reciprocation rotation or rocking are transmitted from the drive to carriage 1. The carriage sets in rotation screw 2 through nut 3. EFFECT: expanded kinematical capabilities. 1 dwg