发明名称 |
Access area measurement apparatus |
摘要 |
An access area measurement apparatus includes a first elongated arm member of a defined length. A second arm member is fixed to and extends at a right angle from one end of the first arm member, and is shorter than the first arm member. The first arm member has a level to indicate that relative slope of a surface when the apparatus is placed on such a surface. The apparatus first arm member also includes a plurality of indicia for measuring compliance with ANSI and ADA accessibility standards.
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申请公布号 |
US5212890(A) |
申请公布日期 |
1993.05.25 |
申请号 |
US19910781493 |
申请日期 |
1991.10.22 |
申请人 |
WHITE, GLEN W.;MATHEWS, R. MARK |
发明人 |
WHITE, GLEN W.;MATHEWS, R. MARK |
分类号 |
E04F11/00;E04F21/00;G01C9/28 |
主分类号 |
E04F11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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