Suction holding assembly for lead frames

Details Suction holding assembly for lead frames Suction holding assembly for lead frames

1996-07-10

1998-11-24

Young, Karen M.

Material or article handling

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

Unstacking apparatus

414749, 901 40, 294 655, B65G 5904

Patent

active

058398775

ABSTRACT:
A device for picking up, via suction, a lead frame from a lead frame magazine and placing it on a guide rail so that the lead frame is fed to a bonding machine. This device includes a plurality of lead frame suction nozzles disposed in at least two parallel rows such that one row of the two parallel rows of the lead frame suction nozzles is movable toward and away from an other row of the lead frame suction nozzles. In addition, the lead frame suction nozzles in each of the two rows can be moved closer to and away from each other within each of the rows.

REFERENCES:
patent: 3860280 (1975-01-01), Karlsson
patent: 4565478 (1986-01-01), Ericsson
patent: 4685714 (1987-08-01), Hoke
patent: 4732376 (1988-03-01), Umezawa
patent: 5024575 (1991-06-01), Anderson
patent: 5050919 (1991-09-01), Yakou
patent: 5609377 (1997-03-01), Tanaka
patent: 5653575 (1997-08-01), Park et al.
patent: 5685589 (1997-11-01), Kikuchi et al.

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