发明名称 ROOF JACK APPARATUS AND METHOD OF USE
摘要 An apparatus and method for repairing or installing roof coverings that comprises a support strap that is configured to be spaced away from the roof to allow install of the roofing materials. The support strap has an attachment member for securing said support strap to said roof on a first end. The support strap has a platform mount configured to receive a horizontal support member at a second end. A contact member rests against a finished portion of said roof beneath the second end of said support strap to support the weight of workers without damaging previously finished work.
申请公布号 US2009145691(A1) 申请公布日期 2009.06.11
申请号 US20070952695 申请日期 2007.12.07
申请人 BURGART JOHN R 发明人 BURGART JOHN R.
分类号 E04G5/06;E04D15/00;E04G3/26 主分类号 E04G5/06
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