Sheet feeding or delivering – Feeding – Multiple supplies
Patent
1984-05-08
1989-09-19
Schacher, Richard A.
Sheet feeding or delivering
Feeding
Multiple supplies
270 54, 271 11, 271 311, 271107, 271150, B65H 308
Patent
active
048674320
ABSTRACT:
A stack of signatures is transformed into a moving stream of individually arranged signatures by feeding a stack of signatures on edge to a transfer station, individually transporting the signatures as a moving stream away from an entrance location laterally offset from the stack, and carrying each signature of the stack in turn laterally to the entrance location as such signature arrives at the transfer station. As each signature is carried laterally to the entrance location, such signature is separated from the stack so as to prevent mutilation due to friction with the adjacent signature on the stack. The signatures are carried to the entrance location by suction cups that form part of a transfer arm. The transfer arm is momentarily transported away from the stack as it carries the signature to the entrance location so as to effect separating of the signature from the stack. The stack of signatures is intermittently fed to the transfer stating such that feeding is arrested while each signature is carried to the entrance location. Air is injected between the signature being carried to the entrance and the stack to facilitate separation of the former from the latter. The transfer arm travels in a tilted oval path that permits the transfer arm to engage the signatures at the end of the stack while moving in part toward the entrance location, thereby reducing the relative velocity between them on contact.
REFERENCES:
patent: 691933 (1902-01-01), Dexter
patent: 3079147 (1963-02-01), Childs
patent: 3127166 (1964-03-01), Fawdry
patent: 3149835 (1964-09-01), Branscome
patent: 3259384 (1966-07-01), Hittenberger
patent: 3565422 (1971-02-01), McCain
patent: 3871640 (1975-03-01), Ritzerfeld
patent: 4177982 (1979-12-01), Bewersdorf
GTE Directories Press, Inc.
Schacher Richard A,.
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