Article dispensing – With discharge assistant – Plural or combined with manipulating means
Patent
1987-05-13
1989-03-21
Bartuska, F. J.
Article dispensing
With discharge assistant
Plural or combined with manipulating means
221236, 1984634, 414224, B65G 5906
Patent
active
048135739
ABSTRACT:
A shuttle-actuated singulation apparatus (10) for use in handling integrated circuit devices (16). A shuttle (39), acting to isolate or singulate an individual integrated circuit device (16) for transfer to a test apparatus, is included. A shuttle assembly (30) is carried by a splined shaft (34) for rotational movement of shuttle (39) carried thereby. The assembly (30), additionally, is moved laterally by means of a drive cable (36). Rotation of a shuttle barrel (32) and associated upward pivoting of shuttle projectiles (42) carried by barrel (32) effects engagement of a bell crank (70) which, in turn, engages a belt drive mount (82) carrying a drive belt (80). The drive belt (80), thereafter, is engaged with an integrated circuit device (16) to impel the device (16) out of a track (12) in which it is received. The engagement of the shuttle projectiles (42) with a shoulder (72) of the bell crank (70) pivots the belt drive mount (82), thereby overcoming belt drive mount biasing spring (90) which normally retains the belt drive mount (82) in its original position. A stop (60) associate with each track (12) is also engaged by upward rotation of the shuttle projectiles (42). Engagement of the stop (60) by projectiles (42) overcomes stop biasing spring (62) to allow the belt drive (80) to push an integrated circuit device (16) out of the track (12) and into the shuttle assembly (30). The shuttle assembly (30) is then moved laterally to a position in alignment with a chute (18) and shuttle (39) rotated to a second position where the integrated circuit device (16) is expelled from the shuttle by means of a spring (48) into the common test site chute (18).
REFERENCES:
patent: 2283252 (1942-05-01), Hartman et al.
patent: 3016167 (1962-01-01), Richards et al.
patent: 4170290 (1979-10-01), Frisbie et al.
patent: 4228901 (1980-10-01), Watzka et al.
patent: 4234418 (1980-11-01), Boissicat
Bartuska F. J.
Micro Component Technology, Inc.
Nawrocki Lawrence M.
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