发明名称 Device for hoisting drywall sheets with automated deck loading
摘要 A device for lifting drywall to a position where it may be mounted to a wall includes a lifting chain attached to a winch and also includes hooks to hold the drywall. The drywall is positioned on the deck at a lowered position, and the deck may subsequently be raised.
申请公布号 US5700123(A) 申请公布日期 1997.12.23
申请号 US19960665305 申请日期 1996.06.17
申请人 ROKOSH, THADDEUS JEROME;ROKOSH, JOSEPH MATTHEW 发明人 ROKOSH, THADDEUS JEROME;ROKOSH, JOSEPH MATTHEW
分类号 E04F21/18;(IPC1-7):E04G21/14 主分类号 E04F21/18
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