Sheet feeding or delivering – Delivering – With transfer means between conveyor and receiver
Patent
1978-02-23
1981-03-31
Stoner, Jr., Bruce H.
Sheet feeding or delivering
Delivering
With transfer means between conveyor and receiver
271214, 414108, B65H 2944
Patent
active
042589096
ABSTRACT:
Apparatus for the conversion of a stream of partly overlapping sheets into a row of fully overlapping sheets has a first conveyor which transports a growing row of sheets at right angles to the planes of the sheets, and a composite second conveyor which defines a downwardly extending path wherein successive sheets of the stream descend onto the first conveyor to accumulate between spaced-apart distancing elements of the first conveyor. Successive sheets of the stream are engaged and pushed forwardly on the first conveyor by an oscillating pusher which, when retracted, provides room for descent of a sheet onto the first conveyor behind the rearmost sheet of the growing row. The amplitude and/or frequency and/or the end positions of the pusher are adjustable to account for variations in thickness and/or stiffness of sheets in successive streams and/or for differences in friction between the sheets and the second conveyor.
REFERENCES:
patent: 1701943 (1929-02-01), Barber
patent: 2307822 (1943-01-01), Clegg
patent: 3111312 (1963-11-01), Swanson et al.
patent: 3188082 (1965-06-01), Stobb
Grapha-Holding AG
Kontler Peter K.
Stoner Jr. Bruce H.
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