Multicoordinate sensing head

Details Multicoordinate sensing head Multicoordinate sensing head

1983-09-12

1985-07-23

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33172E, 33503, 33559, G01B 728

Patent

active

045301590

ABSTRACT:
A multicoordinate sensing head is disclosed in which guides are provided for guiding movement of the sensing pin in any direction in an X-Y-Z coordinate system. An axial ball guide is provided for guiding the sensing pin movement in the axial or Z direction, and guidance in the X-Y plane is accomplished by a planar surface guide having two translatory degrees of freedom. A precision stop and slide block guides operate to prevent rotation of the sensing pin. Three photoelectric measuring systems are provided for measuring deflection of the sensing pin in the X, Y and Z coordinates. The measuring scales in the X-Y plane are configured as flat grids.

REFERENCES:
patent: 3673695 (1972-07-01), Rethwish
patent: 3922791 (1975-12-01), Maxey et al.
patent: 3991477 (1976-11-01), Zipin et al.
patent: 4279080 (1981-07-01), Nakaya

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