PLUG COUPLER FOR CONNECTION OF AUTOMOTIVE FEED LINES Russian patent published in 2013 - IPC B60D1/64 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Plug coupler comprises one conducting element furnished with pneumatic contact. Conducting element is driven into active engagement with second plug coupler. Casing may displace relative to fixed basing. Conducting element pressure surface acts on insert on feeding compressed air thereto. In compliance with first version, plug comprises first element to interact with second element. First plug is arranged at tractor. Second plug is arranged at towed vehicle. In compliance with second version, plug comprises first element to interact with second element. First plug is arranged at towed vehicle. Second plug is arranged at tractor.

EFFECT: higher reliability.

17 cl, 3 dwg