Retractable vehicle ramp with lift assist

作者: Donald E. Stoll , Alfred T. Dietrich

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摘要: A retractable ramp mechanism for a vehicle includes frame mounted to the and by way of linkage movements between stowed extended positions. The is constructed arranged permit an inner end pivot upwardly with respect from lower position engagement position. In position, may be engaged work surface vehicle. applying biasing force bias when in

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