Cam motion design without drivetrain backlash reversal

Details Cam motion design without drivetrain backlash reversal Cam motion design without drivetrain backlash reversal

2002-06-26

2004-05-25

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Transfer

C399S075000, C399S167000, C399S308000

Reexamination Certificate

active

06741826

ABSTRACT:

BACKGROUND OF THE DISCLOSURE
Printing apparatus can employ cam mechanisms to accomplish various functions. For example, in a printer that uses an intermediate transfer surface that is applied to a transfer drum, a cam mechanism can be employed to selectively bring a transfer surface applicator into contact with the transfer drum. The cam mechanism can be driven by a gear train, and backlash can be present in the gear train as a result of center-distance tolerances between gears and other components. Backlash reversals, which occur when a gear train reverses torque, can cause noise, and it can be difficult to avoid torque reversals.
An example of a printing apparatus that uses an intermediate transfer surface is a printer that applies a liquid intermediate transfer surface onto a substrate such as an imaging drum, deposits marking material such as ink on the intermediate transfer surface to form an image on the intermediate transfer surface, and then presses a print medium against the transfer surface to transfer the image to the print medium. The image forming marking material can be deposited by jetting ink such as melted solid ink. A cam mechanism can be employed to selectively engage a drum maintenance system with the imaging drum, for example as disclosed in commonly assigned U.S. Pat. No. 5,988,808, incorporated herein by reference.


REFERENCES:
patent: 3599515 (1971-08-01), Grabovac
patent: 4121868 (1978-10-01), Pierce et al.
patent: 4232217 (1980-11-01), Juziuk et al.
patent: 4431126 (1984-02-01), Jones
patent: 4431301 (1984-02-01), Hashimoto et al.
patent: 4723184 (1988-02-01), Takai et al.
patent: 4752845 (1988-06-01), Suzuki
patent: 4798129 (1989-01-01), Staub, Jr.
patent: 4977765 (1990-12-01), Legault et al.
patent: 5023667 (1991-06-01), Negoro et al.
patent: 5532795 (1996-07-01), Tatsumi et al.
patent: 5689764 (1997-11-01), Fukuchi et al.
patent: 5852950 (1998-12-01), Kurantani
patent: 5873019 (1999-02-01), Mizuishi
patent: 5940671 (1999-08-01), Kim
patent: 6385405 (2002-05-01), Kingsland
patent: 0 528 863 (1993-03-01), None
patent: W/O98/430302 (1998-09-01), None

Affiliated with

Also associated with

Rating

Cam motion design without drivetrain backlash reversal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cam motion design without drivetrain backlash reversal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cam motion design without drivetrain backlash reversal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3219235