Sheet feeding or delivering – Feeding – With means to align sheet
Patent
1982-07-14
1984-05-29
Schacher, Richard A.
Sheet feeding or delivering
Feeding
With means to align sheet
271108, 271250, B65H 904
Patent
active
044510292
ABSTRACT:
A device for registering a sheet against a side stop on the feed table of a printing press which includes a suction head flushly recessed in the table and reciprocated for lateral shifting movement, a draft of suction being applied to the head timed with the lateral shifting movement so that the sheet is affirmatively shifted into contact with the side stop. Subsequently, a puff of air is applied to the head timed with the completion of the shifting movement to free the sheet from the head in readiness for removal of the sheet from the table. An auxiliary nozzle recessed in the table in a position adjacent the head is permanently connected to a source of air pressure and arranged approximately parallel to the surface of the table for producing a moving film of air under the sheet in the direction of the side stop to ensure that the sheet remains against the side stop when the suction is no longer effective and until the sheet is removed from the table. The rate of air flow from the auxiliary nozzle and the strength of the puff of air through the head are under the control of respective throttle valves having operating knobs in convenient upwardly facing positions adjacent the suction head.
REFERENCES:
patent: 3294396 (1966-12-01), Staines
patent: 3870293 (1975-03-01), Simeth
patent: 4130274 (1978-12-01), Stange
patent: 4260149 (1981-04-01), Melzer
Melzer Rudolf
Wildmann Wolfgang
M.A.N. - Roland Druckmaschinen Aktiengesellschaft
Schacher Richard A,.
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