Xerox Corporation

John M Wysocky

Bruce Earl Thayer

Jorge Antonio Alvarez

David G Anderson

Charles H Tabb

Clark V Lange

Stan Alan Spencer

Roger Derek Masham

Gerardo Leute

Krzysztof J Less

Clifford W Imes, Iv

Derek J Milton

Peter J M Bloemen

Michael B Thomson

Henry B Peters, Jr

Peter A Mayfield

Roderick A Cooley

Anthony C Fornalik

Ian Brailsford

John W D Cooper

Robert G Hall

Alexander C Bisland

William J Deyle, Jr

John WD Cooper

Roger D Masham

Clifford W Imes Iv

Peter JM Bloemen

A printing apparatus includes a guide member for directing sheets toward a transfer zone. The guide member defines a set of ribs which hold the sheets above the main surface of the guide member. Thus, any stray marking material which lands on the guide member is relatively unlikely to contact a sheet moving over the guide member.

Paper input guide for a transfer zone in a xerographic printing apparatus

A toner cartridge is provided for dispensing toner on demand to the development station of a xerographic copier machine. The cartridge is modified so as to improve the dispensing of toner through dispensing ports located at one end of the cartridge by the provision of a relatively stiff, coiled spring element which is fixed in position adjacent the interior walls of the cartridge. As the cartridge rotates, the spring moves through the toner acting as an auger-type transport mechanism to move the toner towards the dispensing ports. The spring also serves to agitate the toner so as to make its consistency more fluid thereby aiding the augering transport motion. In one embodiment, the toner cartridge is tilted so as to utilize additional gravitational forces to assist in the toner transport towards the dispensing end.

Toner dispensing apparatus for a xerographic reproduction machine

Toner removal device for removing residual toner and debris from a charge retentive surface after transfer of toner images from the surface. This device is characterized by the use of a pair of electrically biased detoning rolls, one for removing toner from a biased cleaner brush for recirculation and use and the other for removing debris such as paper fibers and Kaolin from the brush. Placement of the detoning rolls is selected so that the brushes are located adjacent natural oscillation nodes of the brush, and closely spaced to the position where the cleaning brush leaves contact with the charge retentive surface. Cleaning blades for the detoning rolls are integrally provided with holders for insertion into receiving slots in the cleaning housing. Extrusion sleeves are provided for insertion into toner transport devices for removal for cleaning.

Cleaning apparatus for a charge retentive surface

An apparatus in which particles are dispensed from an open ended chamber of a container into a transport adapted to move the particles therefrom. The apparatus prevents the bridging and caking of particles in the chamber. A member, positioned in the chamber of the container in the region of the open end thereof, is in engagement with the transport. The member is resiliently coupled to the container and agitated as the transport moves the particles. This causes the springs resiliently coupling the member to the container to vibrate. As the springs vibrate, bridging and caking of the particles is prevented and the particles are dispensed from the open end of the chamber in the container.

Particle anti-bridging apparatus

Growing community of inventors

Rochester, NY, United States of America

John M Wysocky