Geometrical instruments – Gauge – Comparator
Patent
1988-09-26
1990-10-02
Haroian, Harry N.
Geometrical instruments
Gauge
Comparator
G01B 520
Patent
active
049599097
ABSTRACT:
A contour tracer particularly useful for floor tiles installation is shown. It consists of a plurality of elongated section members having an identical shape and construction and slidably coupled together. Each section member consists of a single integrally formed element comprises a cylindrical portion and a sheath portion joined together by a web portion. The sheath portion has a C-shaped cross section with an opened slot formed on the side directly opposite to the cylindrical portion. The section members are coupled together by engaging the sheath portion of one section member to the cylindrical portion of the next section member. The tracer can be used on uneven surfaces and in space restrictive areas.
REFERENCES:
patent: 422707 (1890-03-01), Bockel et al.
patent: 2222127 (1940-11-01), Turner
patent: 2671273 (1954-03-01), Barnes
patent: 4807369 (1989-02-01), Chin
Haroian Harry N.
Wong David W.
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