发明名称 Barricade apparatus
摘要 An apparatus wherein a barricade structure is positioned in a first orientation below ground level and raised to a second position in above ground level orientation to provide a barricade relative to various railroad crossings and the like. The apparatus includes spaced parallel posts mounting a plurality of equally spaced bars therebetween, the bars include shock-absorbing plates equally spaced orthogonally relative to the bars and parallel to the posts. An individual or plurality of spools effects raising and lowering of the organization.
申请公布号 US5118056(A) 申请公布日期 1992.06.02
申请号 US19910673312 申请日期 1991.03.22
申请人 JEANISE, DOROTHY J. 发明人 JEANISE, DOROTHY J.
分类号 B61L29/02;E01F13/04 主分类号 B61L29/02
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