Transfer apparatus for lead frame

Details Transfer apparatus for lead frame Transfer apparatus for lead frame

1989-08-25

1990-09-25

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Pusher conveyor and separate load support surface

198740, 29741, B65G 1928

Patent

active

049587226

ABSTRACT:
A lead frame transfer device has a pair of guides and a transfer mechanism. At least one of the guides has a first guide rail adapted for moving in the widthwise direction of a lead frame, a second guide rail which is biased by a biasing mechanism to cause the second guide rail move toward the first guide rail in the widthwise direction of the lead frame so that the position of the second guide rail with respect to the first guide rail can be varied. Depending upon the widthwise size of a lead frame, the first guide rail of the guide is moved in the widthwise direction of the lead frame by a driving unit. In response to the movement of the first guide rail, the second guide rail is moved concurrently under by the force of a biasing mechanism and the lead frame can be held at a predetermined position under the pressure of the biasing mechanism.

REFERENCES:
patent: 2851145 (1958-09-01), Gagnon
patent: 2857035 (1958-10-01), Gagnon
patent: 4202092 (1980-05-01), Shibasaki et al.
patent: 4449986 (1984-05-01), Held
patent: 4516318 (1985-05-01), Kirschenman
patent: 4516673 (1985-05-01), Kashihara et al.
patent: 4624358 (1986-11-01), Satou
patent: 4660280 (1987-04-01), Asai et al.
patent: 4674238 (1987-06-01), Suzuki et al.
patent: 4754867 (1988-07-01), DeAnda
patent: 4819326 (1989-04-01), Stannek

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