Conveying mechanism

Details Conveying mechanism Conveying mechanism

2007-05-22

2007-05-22

Bidwell, James R. (Department: 3651)

Conveyors: power-driven

Conveying system having plural power-driven conveying sections

Forming a single conveying path

C198S620000, C399S016000

Reexamination Certificate

active

11290800

ABSTRACT:
The present invention provides a conveying mechanism capable of accurately detecting a conveyance amount of an object to be conveyed with a simple configuration. A magnetic sensor is fixed to a casing along a locus of a contact point between a sheet and a conveying roller on the basis of a play between the conveying roller and an opening. With the configuration, the contact point and the magnetic sensor are disposed relatively close to each other. Consequently, the pure conveyance amount according to the rotation amount of a magnetic recording medium using the contact point as a reference can be detected by the magnetic sensor. Moreover, the movement amount of the contact point relative to the center axis of the opening as a reference position in association with the play can be also detected with high sensitivity. Thus, the conveyance amount of the sheet can be accurately obtained.

REFERENCES:
patent: 4678178 (1987-07-01), Akiyama et al.
patent: 4765273 (1988-08-01), Anderle
patent: 4831416 (1989-05-01), Benson
patent: 5350170 (1994-09-01), Emigh et al.
patent: 5964462 (1999-10-01), Saltsov
patent: A 2001-074499 (2001-03-01), None
patent: A 2002-206950 (2002-07-01), None

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