作者: Lars Johansson
DOI:
关键词:
摘要: A boat trailer cradle comprising a stationary supporting framework adapted to be mounted the frame side members of chassis, two-shafted vertically adjustable with respect and carrying four rubber-tired wheels two keel rollers, rubber-wheeled lateral arms pivotally connected between in manner such that upon depression through load hauled up onto it, are swung upwards their laterally boat.