Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Reexamination Certificate
2007-06-26
2007-06-26
Crawford, Gene O. (Department: 3654)
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
C209S900000, C209S912000, C414S138100, C198S370010, C198S358000, C198S528000
Reexamination Certificate
active
10897407
ABSTRACT:
A mail sorting and sequencing system having a number of DPP units cooperating with one another to sort and sequence mail items of three different types of mail. Each DPP unit having: a conveyor system wherein a number of trucks travel along a path; at least three truck feed units communicating with the conveyor system and receiving mail items of a respective type of mail; at least one accumulating device cooperating with the conveyor system to receive mail items released individually by the trucks; and a buffer unit for housing groups of mail items from the accumulating device.
REFERENCES:
patent: 4244672 (1981-01-01), Lund
patent: 4310276 (1982-01-01), Castagnoli
patent: 5115918 (1992-05-01), DeWitt et al.
patent: 5362040 (1994-11-01), Midavaine et al.
patent: 2003/0038065 (2003-02-01), Pippin et al.
patent: WO 01/10574 (2001-02-01), None
De Leo Guido
Franzone Cristiano
Berenato White & Stavish
Crawford Gene O.
Elsag SpA
Matthews Terrell
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