发明名称 E-Z riser stair guide
摘要 A template guide which performs and simplifies the task of layout for stair stringers. This accomplishment has previously been made by the use of multiple tools including the framing square, multipurpose square, and speed square as well as others. The said template of the present invention features an adjustable riser that can be secured for the exact dimension of any rise calculated to be between 6″ and 7¾″. The said template of the present invention also features an adjustable tread that can be secured for the exact dimension of any tread length, calculated to be between 9¼″ and 11⅛″. The said template is configured as such to accommodate the unskilled craftsman as well as the experienced tradesman.
申请公布号 US7954249(B1) 申请公布日期 2011.06.07
申请号 US20100798786 申请日期 2010.04.09
申请人 E-Z RISER, INC. 发明人 PERKEY THOMAS RAYMOND
分类号 B43L7/027;G01B3/02 主分类号 B43L7/027
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