System for controlling engagement of a transfix roller with...

Details System for controlling engagement of a transfix roller with... System for controlling engagement of a transfix roller with...

2011-04-26

2011-04-26

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Medium and processing means

C101S218000, C101S247000

Reexamination Certificate

active

07931362

ABSTRACT:
A hydraulic system controls engagement of a transfix roller with an image receiving member in a printer. The system includes a motor having an output shaft, a translational member having a first end and a second end, one of the first and the second ends being mechanically coupled to the output shaft of the motor so the motor output shaft moves the translational member in a linear path, a hydraulic translator coupled to the other end of the translational member so movement of the translational member in the linear path displaces hydraulic fluid within the hydraulic translator to move a pair of links in a linear direction, a transfix roller having a first end and a second end, the first and the second ends of the transfix roller being mechanically coupled to the pair of links so the displacement of the hydraulic fluid within the hydraulic translator moves the transfix roller in the linear direction for movement towards and away from an image receiving member, and a controller electrically coupled to the motor to send a motor control signal to the motor for controlling direction and speed of the motor output shaft.

REFERENCES:
patent: 4539854 (1985-09-01), Bradshaw et al.
patent: 4936215 (1990-06-01), Walker et al.
patent: 5121139 (1992-06-01), Burke
patent: 5134939 (1992-08-01), Borne
patent: 6585368 (2003-07-01), Park
patent: 2005/0252204 (2005-11-01), Sekiguchi et al.
patent: 2007/0103531 (2007-05-01), Jones et al.
patent: 2010/0194216 (2010-08-01), Davis

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