| 摘要 |
A linear actuator comprises a driven spindle (10) of metal having a nut (12) of polymeric material which further is connected to the expelling rod (14) of the actuator. The nut and expelling rod are joined to each other by intermeshing embossing mate for contemporary transfer of axial forces and torques. With a polymeric nut a number of advantages are obtained such as low friction, lifetime lubrication, low noise level, low production and maintenance costs. Furthermore, a possibility is provided for in a simple manner to provide the actuator with a safety nut connected to the main nut (12) with breakable entrainment means. <IMAGE> |
