| 摘要 |
A linear electromechanical actuator of the screw type for a parking brake including a tubular nut ( 22 ) coupled by means of an external thread to the casing ( 12 ) of the actuator and operated to perform a screwing movement about and along a longitudinal axis (x). The nut has an internal thread ( 23 ) opposite the external thread, for engaging a threaded rod ( 11 ) which is prevented from rotating with respect to the casing. Operation of the electrical motor ( 13 ) brings about a telescopic movement of the nut ( 22 ) and the rod ( 11 ) with respect to the casing ( 12 ), with a rapid linear translation of the rod (x).
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