Feeler for contour reading apparatus

Details Feeler for contour reading apparatus Feeler for contour reading apparatus

1976-01-06

1977-10-04

Phillips, Charles E.

Geometrical instruments

Area integrators

Electrical

33200, 51101LG, G01B 728, B24B 914

Patent

active

040516016

ABSTRACT:
A feeler for reading the contour of the rim of a spectacle frame has a reading head on a rod carried by a support which is linked by a ball joint to a fixed base. A cylindrical skirt on the support co-operates with the base and with a displacement detector which provides an indication which is employed to maintain contact of the rim with the reading head.

REFERENCES:
patent: 3170374 (1965-02-01), Clar
patent: 3555739 (1971-01-01), Novak
patent: 3786600 (1974-01-01), Bloxsom
patent: 3899851 (1975-08-01), Asselin et al.

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