GEAR DRIVE Russian patent published in 1994 - IPC

FIELD: mechanical engineering; transmission of heavy forces. SUBSTANCE: gear drive has drive and driven wheels, engaging members in form of balls located over periphery of drive wheel in spherical grooves; wheels are arranged in cylindrical bores of upright; fitted on upright between them are wedge-shaped guides with concave working surface smoothly engageable with working surface of bores. Gear drive is provided with upright with cylindrical bores for receiving the wheels and wedge-shaped guides with concave working surface located on the upright between them; concave working surface of the guides is smoothly engageable with working surface of bores; top of each of guides is shifted relative to point of engagement of wheels towards driven wheel by the amount of at least one third of the ball diameter. EFFECT: enhanced reliability. 3 dwg