Automated circuit board tester

Details Automated circuit board tester Automated circuit board tester

1997-07-29

2000-07-11

Krizek, Janice L.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Unstacking apparatus

4147958, 4147967, 414900, B65G 5904

Patent

active

060863226

ABSTRACT:
An automated circuit board tester comprises an unstacker (1) arranged upstream of a testing device and which by means of a circuit board picker (40) arranged above a chute (30) picks a top-most circuit board from a stack of circuit boards (55) located in the chute (30). The chute (30) comprises a lifting device including at least two sets of vertically travelling supporting elements (38, 101), each of which is able to carry a stack of circuit boards (55). The chute (30) is open at least on one side so that a set of supporting elements (38, 101) can be loaded while a stack of circuit boards (55) located on the other set of supporting elements (38, 101) is unstacked by the circuit board picker (40).

REFERENCES:
patent: 3046848 (1962-07-01), Twitchell et al.
patent: 3991888 (1976-11-01), Beckius et al.
patent: 4047622 (1977-09-01), Blessing
patent: 4854815 (1989-08-01), Augst
patent: 5298008 (1994-03-01), Decker et al.
Aycock, T.L. and Hetherington, J.C., "Feed Mechanism For Printed Circuit Boards," (Techanical Digest No. 26). North Carolina: Western Electric (Apr. 1972).

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