Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1996-11-25
1998-10-20
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
Separator and conveyor
271 1013, 271116, B65H 500
Patent
active
058235230
ABSTRACT:
Auto sheet feeding device for feeding a sheet into a printing apparatus at each time of printing operation is disclosed. A pinch gear engaged with a motor gear is arranged to be in mesh with a pair of idle gears at both sides, respectively. One of the idle gears is engaged with a gear for driving a delivery roller while the other is in mesh with feeding roller through a train of gearing.
A latch gear and feeding roller driving gear are formed integrally and are coaxial mounted on same pivot with another idle gear. A groove is formed between the latch gear and feeding roller driving gear so that an elastic ring having a pair of edge portions can be received and secured. The edge portions of an elastic ring are arranged to selectively contact with boss formed on a wing tab. According to the rotational direction of gears in the train of gearing, power transmission from the motor to feeding roller is intermitted by an operation of the latch thereby controlling sheet feeding in a printing operation.
REFERENCES:
patent: 4909498 (1990-03-01), Rutishauser
patent: 4986525 (1991-01-01), Takagi et al.
patent: 5051014 (1991-09-01), Takagi et al.
patent: 5160128 (1992-11-01), Oishi
patent: 5213426 (1993-05-01), Ewing
Samsung Electronics Co,. Ltd.
Skaggs H. Grant
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