FIELD: machine building.
SUBSTANCE: invention relates to a linear actuator. Linear actuator (1) for generating a linear actuating force comprises first drive mechanism (10) and second drive mechanism (30). Mechanism (10) has first drive shaft (11) made in the form of a hollow shaft, first rotation-translation transmission (20) having first threaded spindle (21) and first threaded nut (22). Nut (22) comes into contact with the threaded spindle. Drive shaft (11) of first drive mechanism (10) is designed as a first threaded spindle. Second drive mechanism (30) has drive shaft (31) which is aligned with first drive mechanism (10), and second rotation-translation transmission (40) with second threaded spindle (41) and threaded nut (42). Nut (42) comes into contact with second threaded spindle (41). Drive shaft (31) of second drive mechanism (30) is connected by hollow shaft (11) to second threaded spindle (41) in a rotationally fixed manner.
EFFECT: higher reliability is achieved.
11 cl, 1 dwg
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