Geometrical instruments – Distance measuring – Scale reading position sensor
Patent
1990-03-28
1990-11-27
Haroian, Harry N.
Geometrical instruments
Distance measuring
Scale reading position sensor
33 1N, 33 1PT, G01D 534, G01B 1102
Patent
active
049725998
ABSTRACT:
A position measuring device including an adjusting device for a sensing device of a graduation. The sensing device is adjustable relative to the graduation by the adjusting device. For the adjustment, the sensing device has three oblong holes whose longitudinal axes extend perpendicularly to each other. A cylindrical pin fixed in the adjusting device engages in one of the oblong holes. Two adjusting screws which have eccentric portions and engage in the oblong holes are used for adjusting the adjusting device in radial and tangential directions, so that the sensing device can be adjusted exactly relative to the graduation of the position measuring device.
REFERENCES:
patent: 3886354 (1975-05-01), Swiden et al.
patent: 4544915 (1985-10-01), Wieme et al.
patent: 4870272 (1989-09-01), Wilson
Dr. Johannes Heidenhain GmbH
Haroian Harry N.
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