Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1997-06-25
1999-06-29
Milef, Boris
Sheet feeding or delivering
Feeding
Separator and conveyor
271270, 271275, 271202, 198577, 1984601, 1984613, B65H 500
Patent
active
059156813
ABSTRACT:
Sheet handling apparatus, and more particularly a cash dispenser unit, has a number of cassettes (1,2) which hold currency notes. Pick mechanisms (3,4) are associated with each cassette and function to transfer notes from the cassettes to conveyor belts for passage to an outlet point. There are two successive conveyor belt systems. The first belt is driven by an induction motor (7) which also provides power for the pick mechanisms. The second belt system (9,19) is driven by a stepper motor (12). The stepper motor is required to operate under two different control regimes. In one it is synchronized to the speed of the induction motor (7) and for this purpose the induction motor (7) has an optical timing disc 27 mounted on its shaft (21) which cooperates with an optical sensor (28) to generate a pulse train to drive the stepper motor (12) through a selector (25) and driver circuit (23). For the other control regime a pulse generator (26) supplies pulses through the selector (25) to the stepper motor (12). The selector (25) determines under which control regime the stepper motor (12) operates.
REFERENCES:
patent: 4518158 (1985-05-01), Goi
patent: 4653630 (1987-03-01), Bravin
patent: 5037365 (1991-08-01), Breton
Milef Boris
NCR Corporation
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