Method and apparatus for sorting rivets

Details Method and apparatus for sorting rivets Method and apparatus for sorting rivets

1980-08-25

1982-07-27

Knowles, Allen N.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209657, 209658, 209686, 209940, 209929, B07C 500

Patent

active

043413110

ABSTRACT:
A method of sorting rivets or similarly shaped articles, and apparatus therefor. Rivets are directed along a track to a notch where they are supported in a shank-down attitude against a rotating gauging wheel having a plurality of gauging holes conforming generally to the shape of the shank. The wheel is rotated so the gauging holes move upwardly with respect to the shanks while grooves in the periphery of the wheel guide the shanks toward the holes. Rivets with a uniform shank will settle into the holes so their heads are below the periphery, while rivets with bent, gouged, burred or oversized shanks will not settle fully into the holes. A rivet kicker timed to the rotation of the wheel ejects rivets not fully settled in the holes. Fully settled rivets are blown out of the gauging holes into a tube where they are conveyed by air towards a riveting machine.

REFERENCES:
patent: 166153 (1875-07-01), Shelton
patent: 2310661 (1943-02-01), Veit
patent: 2378711 (1945-06-01), Kuehlman
patent: 2716487 (1955-08-01), Cox
patent: 3731795 (1973-05-01), Velthoven
patent: 4295570 (1981-10-01), Hakoi

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