| 摘要 |
PURPOSE:To permit the screw fastening without the need of part precision and positioning precision, by absorbing the position deflection by installing a coupling and a material having springiness onto a rotary axis line, in a driver for automatic machinery, etc. CONSTITUTION:The upper side part in a three-body structure of a coupling 2 is fixed onto the shaft 1 of a driving motor, and a material 4 having springiness is fixed by screws. The other edge of the material 4 having springiness and the top edge of a driver 5 are fixed onto the lower side part of the coupling 2, and further a reinforcing member 3 is installed to improve the springy force. With such structure, even if a center deflection exists between the driver shaft 5 and the screws of the work, said deflection is absorbed by the horizontal shift of the middle side and the lower side of the coupling 2, and the revolution with center deflection is permitted. Therefore, screw fastening is carried out by the springy force of the material 4 having springiness, allowing the force to return to a motor axis line A to act. Therefore, structure can be made simple, and the need of part precision and positioning precision is avoided. |
