Inspection device for flush head bolts and rivets

Details Inspection device for flush head bolts and rivets Inspection device for flush head bolts and rivets

1990-07-17

1992-09-29

Raevis, Robert

Measuring and testing

Inspecting

B21J 1528

Patent

active

051506238

ABSTRACT:
A video imaging system for sequentially measuring the dimensions or tolerances of a plurality of fasteners. The system includes a feed gate in combination with a reciprocating chuck, the latter moving each fastener, one at a time, into the field of view of a pair of orthogonally-oriented cameras. A pair of orthogonally-oriented back-lights, one each being directly opposite the field of view of one of the cameras, silhouettes each fastener, and defines a camera image that is digitized for producing fastener dimensions. The orthogonal relationship of the cameras enables the true fasteners position to be calculated relative to each camera.

REFERENCES:
patent: 4931658 (1990-06-01), Tole
patent: 5010412 (1991-04-01), Garris

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