Multicoordinate sensing head

Details Multicoordinate sensing head Multicoordinate sensing head

1983-08-01

1985-08-06

Little, Willis

Geometrical instruments

Gauge

Movable contact probe, per se

33169R, 33172E, G01B 1124

Patent

active

045327130

ABSTRACT:
A multicoordinate sensing head is disclosed which incorporates a particularly simple mechanical structure to mount the sensing pin in a casing such that the pin is movable in a plurality of directions. Each deflection of the free end of the sensing pin is converted by appropriately shaped components on the sensing pin and the casing into an axial movement of a radially constrained upper end of the sensing pin. The slight axial movements of the upper end of the sensing pin brought about by deflections of the free end of the sensing pin are registered by a photoelectric arrangement arranged in the region of the upper end of the sensing pin. This photoelectric arrangement generates a signal when the free end of the sensing pin is deflected.

REFERENCES:
patent: 3250012 (1966-05-01), Hilton et al.
patent: 4338722 (1982-07-01), Delmas

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