Apparatus for orienting a flat workpiece

Details Apparatus for orienting a flat workpiece Apparatus for orienting a flat workpiece

1976-06-16

1977-08-30

Blunk, Evon C.

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

By conveyor and means driven for turning successive conveyed...

198377, 198413, 198693, 271225, B65G 4724

Patent

active

040448843

ABSTRACT:
An apparatus for orienting a flat workpiece has upper and lower hubs rotatable on a support about respective spaced-apart upper and lower rotation axes. Respective radially extending elongated upper and lower arms are mounted on the upper and lower hubs and carry respective upper and lower levers pivotal on these arms about respective upper and lower pivot axes parallel to the upper and lower arms at locations thereon spaced from the upper and lower rotation axes. Respective upper and lower workpiece-engaging needles are mounted on the upper and lower levers at substantially like spacings from the upper and lower rotation axes. Each lever is pivotal between an operative position with the respective needle engageable with the workpiece and an inoperative position unengageable with the workpiece and can be locked in the operative position by locking means. Upper and lower cam followers on the upper and lower levers are engageable respectively with an upper cam on the second arm and a lower cam carried on the support. Each cam follower is only engageable with the respective cam in a position wherein the two arms extend parallel to and one immediately above the other. A plurality of such upper arms may be provided on the upper hub and a plurality of such lower arms on the lower hub, with each lower arm carrying a respective upper cam, but only one lower cam being provided on the apparatus.

REFERENCES:
patent: 2779453 (1957-01-01), Lippert et al
patent: 3269516 (1966-08-01), Lucas
patent: 3321062 (1967-05-01), Brockmuller et al.
patent: 3367474 (1968-02-01), Kerr et al.
patent: 3587824 (1971-06-01), Rochla
patent: 3809214 (1974-05-01), Reist
patent: 3847273 (1974-11-01), Buhayar
patent: 3868009 (1975-02-01), Billi et al.
patent: 3961698 (1976-06-01), Ahlenius et al.

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