According to an embodiment, the width of the upper surface base of an uniaxial coupler (including the case where a biaxial type is used as uniaxial) normally installed in a tractor is formed to be extended in a lateral direction to an arbitrary length ranged from 1.5 times of the conventional coupler to substantially a full width of the vehicle.
OVERTURN PREVENTION DEVICE FOR TRAILERS
2017-03-09
Patent
Electronic Resource
English
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