BOLSTER-COUPLER Russian patent published in 2014 - IPC B62D53/08 B60D1/06 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Bolster-coupler (1) has bearing plate (2) to be mounted at truck tractor and hooking element (3) to be mounted at truck trailer. Bearing plate (2) serves to engage with hooking element (3). Said hooking element (3) comprises coupling ball (31). Bearing plate (2) has spherical seat (21) and pressure element (23) arranged to displace from release position (230) to retain position (231). Pressure element (23) comprises contact area (232) for contact with coupling ball (31) located at retaining position (231) in spherical seat (21). Actuator (7) is designed to handle locating element (4) and be shifted to locate position, release position and ready position. Note here that bolster-coupler incorporates drive (8) of actuator (7) to displace it from release position to ready position at shifting of pressure element (23) from retain position (231) to release position (230).

EFFECT: higher cross-country capacity.

11 cl, 15 dwg