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    • 85. 发明专利
    • JPS5241554B1
    • 1977-10-19
    • JP2443271
    • 1971-04-16
    • B65G51/03B65H3/14B65H3/48B65H29/24B65H29/26G06K13/063G06K13/073G06K13/107B65G7/06
    • 1,198,721. Feeding and delivering sheets. SPERRY RAND CORP. 5 July, 1967 [4 Aug., 1966], No. 30896/67. Heading B8R. General.-A sheet handling apparatus 12, Fig. 1, comprises a magazine 14 supporting a stack of sheets 15, an air-blast separator head 19 adapted to feed the sheets singly into a passageway 44 where they are supported on an air cushion supplied through apertures 88, Fig. 7, and moved forward by air blast from angled apertures 86, a reading station 22 where information is read from the sheets and an air-gate 30 which is controllable to direct the sheets to either of two stacking magazines 28, 36. Pile tables and supports.-The stack 15 is supported on a pusher plate 17 which is raised at a constant rate by a shaft 18 connected to a motor through aperture 20. The stacking magazines 28 and 36 are of similar construction to that of magazine 14 to permit full stacking magazines to be placed at the separating station 11 to enable sheets to be again fed through the apparatus. Separators.-Stack 15 is tilted towards passageway 44 so that a sheet raised from the stack by air blast from head 19, Fig. 6, will tend to pass under gravity into the passageway. Separation is assisted by air blast, from apertures 100 in a collar 16 surrounding the top of the stack, which riffles the uppermost sheets. A pin 45 may be moved to stop a card leaving the magazine. Sheet carriers and forwarders: registering- A separated sheet 41, Fig. 7, supported on an air cushion and pushed forward by air jets is aligned at reading station 22 against turbines 55. At station 22, Fig. 8, instead of air being withdrawn through apertures 90 in both sides of the passageway 44 (as is the case in the remainder of the passageway) air is withdrawn only through one side 49 thus causing a sheet to be pulled against turbine wheels 55 (driven by the air flow) and aligned for reading. Delivering sheets.-On leaving station 22 a sheet reaches passage 93, Fig. 13, through which an air blast may be admitted under the control of valve 67. According to information read from a sheet the valve 67 is controlled to allow a sheet to pass into curved guide 35 (no air blast from passage 93) or directed to a further curved guide 37 (with air blast from passage 93). A sheet directed to either guide is carried therearound by air blast and deposited in an inverted condition in one of the stacking magazines. Each guide terminates in a sheet decelerator 26, 34, Fig. 15, where a sheet 41 is detected by a device 81 sensitive to the air flow from passage 83 and slowed by suction air through passage 87. A full magazine 28 or 36 may be removed from the stacking location, inverted and placed at the feeding location.