Dual optic video display bearing inspection system

Details Dual optic video display bearing inspection system Dual optic video display bearing inspection system

1991-09-18

1994-05-03

Groody, James J.

Television

Special applications

Flaw detector

356237, 348136, H04N 718

Patent

active

053092295

ABSTRACT:
Methods and apparatus for inspecting surfaces are disclosed. The present invention provides a system which is particularly useful for inspecting the inner race of a bearing and uses two video probes to create dual displayed views of the inner surface. The bearing is slowly rotated and the entire surface of the inner race is visually inspected by viewing the images collected by the video probes. Preferably, a motorized stand and frame are provided that automatically rotate the bearing and automatically insert the video probes into the bearing respectively. The magnification provided by the video probes permits the detection of flaws invisible to the human eye, and in certain embodiments a scale on or adjacent to the video images is also provided so that the size of the defects viewed can also be accurately determined.

REFERENCES:
patent: 3830969 (1974-08-01), Hofstein
patent: 4315688 (1982-02-01), Pryor
patent: 4576482 (1986-03-01), Pryor
patent: 4644394 (1987-02-01), Reeves
patent: 4672437 (1987-06-01), Casper
patent: 4993836 (1991-02-01), Furuhashi et al.
patent: 5012116 (1991-04-01), Russell

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