Spinning probe apparatus for inspection of bolt holes and the li

Details Spinning probe apparatus for inspection of bolt holes and the li Spinning probe apparatus for inspection of bolt holes and the li

1981-07-13

1984-06-12

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetic test structure elements

74841, 74842, G01R 3300, F16H 3500

Patent

active

044544731

ABSTRACT:
A probe utilizing electrical fields for nondestructive testing of metals is disclosed which is mounted in a hand-held portable housing, or head, having limit switches therein for restricting up and down movement of the probe. Apparatus for selectively engaging the limit switches by the probe driving mechanism, without injury to the internal parts of the head, is also disclosed. The head may be equipped with a slip ring extender also, to enable an operator to use the head in a variety of positions, and the depth setting mechanism for the probe is protected against inadvertent movement during continued usage of the head.

REFERENCES:
patent: 3718855 (1973-02-01), Rogel et al.
patent: 3831084 (1974-08-01), Scalese et al.

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