发明授权
US4220352A Suspension for a front axle of a trailer 失效
拖车前轴悬挂

Suspension for a front axle of a trailer
摘要:
A suspension for a front axle of a trailer comprising a trailer frame, an outer cylindrical member fixedly secured to the trailer frame, a bracket mounted on the front axle, a shaft mounted on the bracket and arranged at right angles to the front axle, a sleeve rotatably mounted on the shaft, an inner cylindrical member fixedly secured to the sleeve and adapted to slide within the outer cylindrical member, a first spring retainer pivotally mounted on the outer cylindrical member, a second spring retainer pivotally mounted on the sleeve, and a spring disposed between the first and second spring retainers.
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