Material or article handling – Apparatus for moving intersupporting articles into – within,... – Unstacking apparatus
Reexamination Certificate
2006-08-29
2009-08-11
Adams, Gregory W (Department: 3652)
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Unstacking apparatus
C221S211000
Reexamination Certificate
active
07572095
ABSTRACT:
An automated feeder may allow continuous and synchronized feeding of small trays to equipment for subsequent processing. Automated feeder includes a piston with a suction cup on a distal end. The suction cup may contact and extract via a vacuum trays disposed in a compartment disposed in front of the piston. The compartment may include a frame with rods projecting perpendicularly and at least one backstop to inhibit movement of the trays. A vacuum breaking means may be disposed between the piston and the frame, such that during extension of the piston a vacuum is generated to hold a tray. When the piston is retracted, the tray is pulled from the compartment, partially deforming corners of the tray which releases the tray from backstop(s) of the frame. The small tray falls down by gravity and is taken by a ramp to a conveyor to equipment for subsequent processing.
REFERENCES:
patent: 2397297 (1946-03-01), Sonnenberg
patent: 2653743 (1953-09-01), Stenger
patent: 2836328 (1958-05-01), Kinney
patent: 4674935 (1987-06-01), Feliks et al.
patent: 5529210 (1996-06-01), Cooper, III
Adams Gregory W
Fish & Richardson P.C.
Grupo Bimbo S.A.B. de C.V.
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