| 摘要 |
mechanical engineering. SUBSTANCE: safety device may be used in machine drives to prevent their overloading by torque. Safety device has motor, planetary or wave transmission including central stationary wheel, immovable hollow shaft rigidly connected to support, roller, lever and limit switch of drive. Roller is positioned inside immovable hollow shaft. With one end it is coupled with central stationary wheel and with other end it is secured to lever interacting with drive limit switch. EFFECT: enhanced reliability in operation. 2 dwg
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