Material or article handling – Apparatus for charging a load holding or supporting element... – Supply source includes chute
Patent
1985-12-13
1987-02-24
Siemens, Terrance L.
Material or article handling
Apparatus for charging a load holding or supporting element...
Supply source includes chute
414222, B65G 4706
Patent
active
046454020
ABSTRACT:
The present invention is apparatus for automatically unloading integrated circuit devices passing from a test site or test sites of an integrated circuit handler down one or more chutes (64). The apparatus includes a stacker assembly (26) comprising one or more hoppers (34). Further, an accumulator assembly (28) providing a plurality of accumulating apertures (62) formed between various loom elements (58, 60) is provided. A shuttle (50) receives an integrated circuit storage and transfer tube (42) from one of the hoppers (34) and transfers the tube (42) to a position relative to the accumulator assembly (28) wherein it can be lifted off the shuttle (50) and maintained in a column of tubes (42) in an accumulating aperture (62). Eccentric cams (74) can be employed to effect the lifting function, and a plurality of spring clip retainers (168) can be provided to hold the tubes (42) in a position in which they receive integrated circuits passing down the chutes (64) prior to being progressively urged upwardly within the accumulating apertures (62).
REFERENCES:
patent: 3662881 (1972-05-01), Fineran
patent: 4304514 (1981-12-01), Pfaff
patent: 4423815 (1984-01-01), Boissicat
Micro Component Technology, Inc.
Nawrocki Lawrence N.
Siemens Terrance L.
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