Conveyors: fluid current – Pulsing fluid current
Patent
1997-09-18
2000-03-21
Ellis, Christopher P.
Conveyors: fluid current
Pulsing fluid current
406 94, 406137, 406192, 406194, B65G 5366, B65G 5304, B65G 5334
Patent
active
060395125
ABSTRACT:
A feeder system (1) and method supplies electrical components (20) to a pick-and-place machine (14). The feeder system (1) has a hopper (2) coupled by a passage (4) to a pickup location (3). The electrical components (20) are provided by air blasts to a first air outlet (6a) associated with the hopper (2) to agitate the components (20). Air blasts are concurrently supplied to a second and third air outlets (6b, 6c) located in the passage (6b) to thereby retain at least some of the components (20) therebetween. The third air outlet (6c) is disposed between the pickup location (3) and the second air outlet (6b) and in use an air blast from said third air outlet (6c) is effected immediately before an air blast from said second outlet (6b) is effected.
REFERENCES:
patent: 5570812 (1996-11-01), Ando et al.
Chooi Kon Hing
Lim Ka Tiek
Teoh Ping Chow
Bower Kenneth W
Dorinski Dale W.
Ellis Christopher P.
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