Stephen W Stewart

US Patent:

7591456, Sep 22, 2009

Filed:

May 24, 2007

Appl. No.:

11/753020

Inventors:

William Michael Connors - Lexington KY, US
Walter Kevin Cousins - Georgetown KY, US
Stephen Kelly Cunnagin - Lexington KY, US
John Andrew Schmelz - Lexington KY, US
Stephen Edward Stewart - Lexington KY, US

Assignee:

Lexmark International, Inc. - Lexington KY

International Classification:

G03G 15/00

US Classification:

271 314, 399367

Abstract:

An auto-document feeder re-ingestion stop includes an auto-document feeder having a lower input tray and an upper output tray, the upper output tray having a length which is shorter than the length of input tray so that exiting or exited media depends onto the input tray, a flexible stopper depending from the upper output tray and inhibiting the exited media from being re-ingested by paper-to-paper friction during feeding of media in the input tray.

US Patent:

7712740, May 11, 2010

Filed:

Nov 8, 2005

Appl. No.:

11/268929

Inventors:

Larry W. Acton - London KY, US
William M. Connors - Lexington KY, US
Walter K. Cousins - Lexington KY, US
Stephen E. Stewart - Lexington KY, US

Assignee:

Lexmark International, Inc. - Lexington KY

International Classification:

B65H 29/20

US Classification:

271314, 188 67

Abstract:

The present invention includes a damping device for a media feed mechanism for a peripheral device having a media feedpath having a feed shaft and a downstream exit shaft. In one form a damping hub is mounted on said exit shaft, a resilient biasing member extending between the damping hub and the feed shaft to create a damping force on the damping hub. In another embodiment damping is provided by a brake structure engaging said damping hub. In yet another embodiment, a brake structure is pivotably mounted.

US Patent:

7712986, May 11, 2010

Filed:

Jul 24, 2006

Appl. No.:

11/459392

Inventors:

David Wayne DeVore - Richmond KY, US
Timothy John Hawryschuk - Lexington KY, US
David Kyle Murray - Lexington KY, US
Stephen Edward Stewart - Lexington KY, US
Randall McClay Stoves - Auburn AL, US

International Classification:

B41J 11/22

US Classification:

400352, 347 49, 347 87, 400175

Abstract:

An imaging apparatus includes a printhead carrier for mounting a printhead cartridge. The printhead carrier includes a carrier back wall having an upper portion. A back portion of a printhead cartridge cradle is connected to the carrier back wall. A first proximal end of a latch lever is pivotably attached to a front portion of the printhead cartridge cradle. The latch lever has at least one cam follower, with each cam follower being located near the first distal end of the latch lever. A second proximal end of a carrier lid is pivotably attached to the upper portion of the carrier back wall. Each cam of the carrier lid is formed near a second distal end of the carrier lid, and each cam is positioned for progressive engagement by a corresponding cam follower as the latch lever is moved from an open position toward a latched position.

US Patent:

7766568, Aug 3, 2010

Filed:

Oct 15, 2007

Appl. No.:

11/872086

Inventors:

William Michael Connors - Lexington KY, US
Stephen Edward Stewart - Lexington KY, US

Assignee:

Lexmark International, Inc. - Lexington KY

International Classification:

B41J 1/36
B41J 19/20

US Classification:

400354, 400283, 347 37

Abstract:

A printhead carrier having a zero clearance bearing arrangement includes a first open-faced bearing coupled to a dampener frame. The first open-faced bearing has a first bearing surface positioned to contact the cylindrical guide surface of a guide rod of an imaging apparatus. A second open-faced bearing is coupled to the dampener frame. The second open-faced bearing has a second bearing surface positioned to contact the cylindrical guide surface of the guide rod. The guide rod is diametrically positioned between the first open-faced bearing and the second open-faced bearing. An elastic foam member is interposed between the first open-faced bearing and the dampener frame. The elastic foam member is compressed to exert an expansion force between the first open-faced bearing and the dampener frame to load the second open-faced bearing on the guide rod in a zero-clearance relationship with the guide rod.

US Patent:

8011658, Sep 6, 2011

Filed:

Dec 31, 2008

Appl. No.:

12/347946

Inventors:

Larry W. Acton - London KY, US
William M. Connors - Lexington KY, US
Walter K. Cousins - Lexington KY, US
Stephen E. Stewart - Lexington KY, US

Assignee:

Lexmark International, Inc. - Lexington KY

International Classification:

B65H 5/02

US Classification:

271274, 271314

Abstract:

A damping device for a media feed mechanism for a peripheral device includes a media feedpath having a feed shaft and a downstream exit shaft. In one form a damping hub is mounted on said exit shaft, a resilient biasing member extending between the damping hub and the feed shaft to create a damping force on the damping hub. In another embodiment damping is provided by a brake structure engaging said damping hub. In yet another embodiment, a brake structure is pivotably mounted.

US Patent:

8210516, Jul 3, 2012

Filed:

Aug 11, 2011

Appl. No.:

13/207977

Inventors:

Larry W. Acton - London KY, US
William M. Connors - Lexington KY, US
Walter K. Cousins - Lexington KY, US
Stephen E. Stewart - Lexington KY, US

Assignee:

Lexmark International, Inc. - Lexington KY

International Classification:

B65H 83/00

US Classification:

271 314, 271314

Abstract:

The present invention includes a damping device for a media feed mechanism for a peripheral device having a media feedpath having a feed shaft and a downstream exit shaft. In one form a damping hub is mounted on said exit shaft, a resilient biasing member extending between the damping hub and the feed shaft to create a damping force on the damping hub. In another embodiment damping is provided by a brake structure engaging said damping hub. In yet another embodiment, a brake structure is pivotably mounted.