发明名称 Apparatus for lifting sheet material
摘要 Apparatus for gripping and lifting sheet material is provided comprising elongated channel members capable of telescoping one into the other. Gripping means are provided on either end of the unit for gripping opposed edges of the sheet material. A roller arrangement having a return roller in one member and an anchoring means in another accepts an elongated web which, upon application of force to the web, will telescope the members and urge the gripping means into contact with the sheet material so that the sheet material can be lifted and moved to a selected location.
申请公布号 US4181341(A) 申请公布日期 1980.01.01
申请号 US19780883152 申请日期 1978.03.03
申请人 DEAN RES CORP 发明人 HENKE, JOHN R
分类号 B66C1/24;(IPC1-7):B66C1/22 主分类号 B66C1/24
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