Conveyors: power-driven – Conveyor system for moving a specific load as a separate unit – System includes a load supported by a conveyor portion which...
Reexamination Certificate
1999-01-13
2001-05-29
Ellis, Christopher P. (Department: 3651)
Conveyors: power-driven
Conveyor system for moving a specific load as a separate unit
System includes a load supported by a conveyor portion which...
C271S204000
Reexamination Certificate
active
06237744
ABSTRACT:
The present invention relates to an apparatus for supplying printed products, such as newspapers, periodicals, brochures and the like, as well as supplements for such printed products, to a discharge location according to the preamble of claim
1
.
DE-A-31 23 888 (and the corresponding U.S. Pat. No. 4,438,618) discloses an apparatus of this type in which the source for the printed products is a product roll arranged in an unwinding location. A specific number of printed products are stored in this roll, on a winding core, and are removed from the roll, and led away, by being unwound from the same. As soon as all the printed products have been unwound from the roll, the empty winding core has to be removed from the unwinding location and replaced by a new, full roll. While an empty winding core is being exchanged for a new roll, the operation in which printed products are led away is interrupted. This disadvantage may indeed be overcome by doubling the number of unwinding locations, of which in each case one is in operation while the other is being charged with a new roll. However, such a solution requires considerable mechanical outlay.
The object of the present invention, then, is to provide an apparatus of the type mentioned in the introduction which makes it possible, despite the limited delivery capacity of the source, to feed printed products continuously to a downstream discharge location.
This object is achieved according to the invention by an apparatus having the features of claim
1
.
The buffer-storage section of the conveying arrangement conveying the printed products from the source to the discharge location provides a temporary store for the transporting elements which are transporting these printed products. These transporting elements are then fed out of said buffer-storage path to the discharge location. After the source has been used up and is either exchanged for a new source or filled up again with new printed products, the operation of continuous feeding of printed products to the discharge location out of the buffer-storage path can be continued during this time, in which case the buffer-storage path is reduced in length because, during the operation of exchanging or refilling the source, there are no new transporting elements loaded with printed products passing to the buffer-storage path.
Preferred developments of the apparatus according to the invention form the subject matter of the dependent claims.
REFERENCES:
patent: 3032341 (1962-03-01), Reist
patent: 3123888 (1964-03-01), Meyers
patent: 4007824 (1977-02-01), Reist
patent: 4039182 (1977-08-01), Reist et al.
patent: 4438618 (1984-03-01), Honegger
patent: 4866910 (1989-09-01), Reist
patent: 4887809 (1989-12-01), Eberle
patent: 5007624 (1991-04-01), Chandhoke
patent: 5503264 (1996-04-01), Eberle
Brinks Hofer Gilson & Lione
Ellis Christopher P.
Ferag AG
Sharma Rashmi
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