Method and apparatus for inverting printed circuit boards

Details Method and apparatus for inverting printed circuit boards Method and apparatus for inverting printed circuit boards

1989-05-25

1990-11-13

Skaggs, H. Grant

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

By conveying randomly faced items and turning items to...

198403, 198411, B65G 4724

Patent

active

049695525

ABSTRACT:
The device flips substrates or passes them through without flipping, selectively, and the substrate can enter either end and exit either end of the device, as desired depending on how it is assembled. The spacing between channels which restrain opposite edges of the substrate is adjustable so as to accommodate different widths. The channels are separate from, but cooperable with, feed wheels which extend into the channels and engage the board when the channels are not moved out of alignment with the feed plane, e.g., when the flipping action is not taking place. During flipping, one end of each channel is raised above the feed plane, while the other end is moved substantially parallel to the feed plane so as to eliminate interference with an undercarriage or anything else below the feed plane of the device.

REFERENCES:
patent: 3247963 (1966-04-01), Fehely
patent: 3347349 (1967-10-01), Carlson
patent: 3948385 (1976-04-01), Shinomiya
patent: 4095700 (1978-06-01), Chiuaru et al.
patent: 4213380 (1980-07-01), Kahn
patent: 4214655 (1980-07-01), Bernham et al.
patent: 4457662 (1984-07-01), Ireland et al.
patent: 4523670 (1985-06-01), Yanagisawa et al.
patent: 4533291 (1985-08-01), Nishida

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