Tray transportation device

Details Tray transportation device Tray transportation device

2007-09-07

2009-11-17

Deuble, Mark A (Department: 3651)

Conveyors: power-driven

Conveyor section

Pusher conveyor and separate load support surface

C198S747000, C414S940000

Reexamination Certificate

active

07617924

ABSTRACT:
A tray transportation device is disclosed in this invention. The tray transportation device includes a transfer stage, a loading handler, an operation handler and an unload stage. The transfer stage has a buffer area and an operation area. The loading handler is disposed on the buffer area to handle a tray in the buffer area. The operation handler is disposed on the operation area to handle a tray in the operation area. The unload stage is used to carry the tray transferred from the transfer stage. The loading handler and the operation handler move together, when the operation handler transfers the tray from the operation area to the unload stage; the loading handler transfers the tray from the buffer area to the operation area.

REFERENCES:
patent: 4018328 (1977-04-01), Galarowic et al.
patent: 5320212 (1994-06-01), McIntosh et al.
patent: 5363785 (1994-11-01), Conley, Jr.
patent: 6235634 (2001-05-01), White et al.
patent: 6248967 (2001-06-01), Nakamura
patent: 6422798 (2002-07-01), Lauinger et al.

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