发明名称 Head mounted apparatus for supporting and raising ceiling materials
摘要 A rotatable, head mounted support apparatus for supporting drywall and other ceiling panels during the construction of a ceiling. The rotatable, head mounted support apparatus is preferably secured to the top of a hard hat, and includes rotatable, turntable-type bearing which allows a construction worker to freely swivel his or her head during the installation of a drywall panel.
申请公布号 US5636383(A) 申请公布日期 1997.06.10
申请号 US19940213049 申请日期 1994.03.15
申请人 CWIAKALA, THOMAS W. 发明人 CWIAKALA, THOMAS W.
分类号 A42B3/04;E04F21/18;(IPC1-7):A42B3/06 主分类号 A42B3/04
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