Geometrical instruments – Area integrators – Electrical
Patent
1978-11-02
1980-04-22
Shepperd, John W.
Geometrical instruments
Area integrators
Electrical
356373, G01B 1102, G01B 502
Patent
active
041987578
ABSTRACT:
In a measuring instrument for measuring or adjusting the relative position of two objects, including a measuring scale, a movably mounted sensor housing unit and an elongated hollow body which is resistant to bending and encloses the measuring scale and the movably mounted sensor housing unit to protect them from environmental influences, at least one ball joint for fastening the hollow body to one of the objects to be measured. According to one of the embodiments, two spheres are positioned at a fastening means at one end of the hollow body and a single, centrally-located ball joint is provided at a fastening means at the other end.
REFERENCES:
patent: 1757962 (1930-05-01), Herold
patent: 2890544 (1959-06-01), Manausa
patent: 3815125 (1974-06-01), May et al.
patent: 3816002 (1974-06-01), Wieg
patent: 3816003 (1974-06-01), Litke
patent: 4031595 (1977-06-01), Welker
Ernst Alfons
Nelle Gunther
Dr. Johannes Heidenhain GmbH
Shepperd John W.
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