Deployable vehicle access ramp
作者： Derold L. Kelley , Bert R. Smith
DOI:
关键词:
摘要: An access ramp for a van or similar vehicle having housing below the floor and adjacent door which houses structure. A carrier is extendable retractable mechanically linked to platform. boom arm on extends when guides cable motor driven lower lift Lift cams elevate inner end of platform extended bring it into close proximity with floor.
lens.org 参考文章(6)
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