FIELD: transport.
SUBSTANCE: invention relates to engagement devices. Engagement mechanism comprises first and second parts of the clutch, drive element, coiled spring and actuator. Said first and second parts of the clutch can turn about rotational axle. Drive element is arranged around said axle and inner engagement surface. Coiled spring has first and second ends and multiple coils. Spring first end is secured to clutch first part while second end engages with the clutch second part. Coils stay in contact with the clutch inner surface. Actuator displaces axially along rotational axle between first and second positions to control rotary and pull forces and to engage/disengage the clutch.
EFFECT: higher efficiency.
23 cl, 33 dwg
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