Method and apparatus for measuring stairs

Details Method and apparatus for measuring stairs Method and apparatus for measuring stairs

1994-11-02

1996-07-09

Cuchlinski, Jr., William A.

Geometrical instruments

Straightedge type

33424, 33471, B43L 700

Patent

active

055332706

ABSTRACT:
The invention relates to a method for measuring at least one step of a stair, wherein the riser and tread of the or each separate step are determined, characterized in that at least two steps of the stair are provided, in a corresponding manner, with a reference point, whereupon a pin is positioned in each reference point, which two pins cross in a junction in such a manner that of each pin the length between the reference point and the junction is known, whereupon in the plane defined by the pins the angle is recorded that each of the pins includes with a reference line, which reference line includes a known angle, lying in the plane, with the vertical, and to an assembly for carrying out such a method.

REFERENCES:
patent: 53397 (1866-03-01), Branch, Jr.
patent: 147472 (1874-02-01), Bogy
patent: 293069 (1884-05-01), Patten
patent: 1116452 (1914-11-01), Lorraine
patent: 2278440 (1942-04-01), Graves
patent: 3828436 (1974-08-01), King
patent: 5117560 (1992-06-01), Nevins
International Search Report (in German) citing the above-noted references; dated 28 Jun. 1994.

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