Method for orienting an article

Details Method for orienting an article Method for orienting an article

1976-07-06

1977-12-13

Spar, Robert J.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198390, 214 1BB, B65G 4724

Patent

active

040624625

ABSTRACT:
An article, such as a beam-lead semiconductor device, is precisely oriented by placing it on the end of a tubular member which is centered in a cavity having the form of inverted, truncated, pyramid. The smallest cross section of the cavity is smaller than the smallest article to be positioned. The member slides vertically within the cavity and is resiliently supported by a vacuum chamber for movement therewith. The chamber is lowered with a vertical oscillatory motion, while a slight vacuum is applied, to lower the article into the cavity and engage it intermittently with the walls of the cavity. This orients and centers the article in the cavity.

REFERENCES:
patent: 3078335 (1963-02-01), Black
patent: 3590462 (1971-07-01), Mracek
patent: 3776394 (1973-12-01), Miller

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