Abstract: A device is provided for storing a supply of particles for use in a developer unit of an electrophotographic printing machine. The device includes an open ended container which has a chamber in communication with the open end of the container. The particles are stored in the chamber of the container. The device also includes a feature associated with the container which extends substantially the length of the container, for urging the marking particles in the chamber toward the center of the chamber.

Abstract: A donor roll for transporting marking particles to an electrostatic latent image recorded on a surface is provided. The donor roll is adaptable for use with a power source to assist in transporting the marking particles. The donor roll includes a rotatably mounted body having a particle transportation portion, a support portion adjacent the particle transportation portion, and an external portion adjacent the support portion and spaced from the particle transportation portion. The donor roll further includes an electrode member mounted on the body and an electrical connector associated with the support portion of the body and electrically connected to the electrode member. The electrical connector is adapted to be electrically connectable to the power source.

Abstract: An apparatus for trapping a contaminant is provided. The apparatus includes a first member having a plurality of apertures in the first member and a second member having a plurality of apertures in the second member. The second member is in juxtaposition with the first member. A space between the first member and the second member is smaller than a maximum length of the contaminant.

Abstract: A method for producing discontinuous chips during the machining of a work piece by a cutting tool is provided. The method includes the steps of engaging the cutting tool into the workpiece to produce a continuous chip and directing a stream of cryogen toward the continuous chip, so as to rapidly cool the continuous chip and fracture the continuous chip into the discontinuous chips.

Abstract: A donor roll for transporting marking particles to an electrostatic latent image recorded on a surface is provided. The donor roll is adaptable for use with an electric field to assist in transporting the marking particles from the donor roll to a development zone adjacent the surface. The donor roll includes a rotatably mounted body and a first electrode member mounted on the body. The donor roll further includes a second electrode member mounted on the body and spaced from the first electrode member and a resistive member electrically interconnecting the first electrode member and the second electrode member so that when an activation potential for creating an electric field is applied to the first electrode member a portion of the potential will be transferred to the second electrode member creating an attenuated field.

Abstract: A donor roll for transporting marking particles to an electrostatic latent image recorded on a surface is provided. The donor roll is adaptable for use with an electric field to assist in transporting the marking particles. The donor roll includes a rotatably mounted body. A portion of the body is electrically conductive. The donor roll also includes a dielectric layer mounted on a portion of the electrically conductive portion of the body. The donor roll also includes a first electrode member mounted on the body, adjacent the dielectric layer, and spaced from the electrically conductive portion of the body so that when the electric field is applied to the first electrode member a portion of the field will be transferred to the dielectric layer.

Abstract: A donor roll for transporting marking particles to an electrostatic latent image recorded on a surface is provided. The donor roll includes a rotatably mounted body and an electrode member mounted on the body. The donor roll further includes a magnetically permeable core external to the body. The core rotates with the body. The donor roll further includes an electrically conductive material positioned on the core. The material is electrically connected to the electrode member.

Abstract: A latch for releasably securing a member to a support structure. The latch includes a substantially rigid member mounted pivotably in the member. The rigid member includes a catch disposed at one end thereof and a handle at another end thereof. The rigid member also includes a substantially resilient member coupled to the rigid member for urging the rigid member to pivot to a position in which the catch thereof engages the support structure to secure the member thereto. The handle is adapted to pivot the rigid member to release the catch from engagement with the support structure to release the member.

Abstract: A hub for supporting a tube is provided. The hub includes an expandable body adapted to be mounted at least partially in the tube and a resilient urging member. The urging member has at least a portion of the urging member internal to the body to expand the body so that a portion of the body contacts the tube.

Abstract: A developer unit adapted to develop with marking particles a latent image. The developer unit includes a housing and a mover for moving the marking particles in a recirculating path within the housing. The developer unit further includes a fibrous element located adjacent the recirculating path to trap contaminants recirculated by the mover with the marking particles.

Abstract: A device is provided for storing a supply of particles for use in a developer unit of an electrophotographic printing machine. The device includes an open ended container defining a chamber in communication with the open end of the container. The particles are stored in the chamber of the container. The device also includes a puncturable seal attached to the open end of the container for sealing the chamber. The container is installable into the developer unit without removal of the seal. The device further includes an internal seal attached to the open end of the container. The internal seal is internal to the puncturable seal. The internal seal has a surface closely conforming to the open end of the container. The internal seal is removable from the open end of the container by displacement of the internal seal into the chamber of the container.

Abstract: A donor roll for transporting marking particles to an electrostatic latent image recorded on a surface is provided. The donor roll is adaptable for use with a commutator for applying an electrical field to the roll to assist in transporting the marking particles. The donor roll includes a rotatably mounted body and an electrode member mounted on the body. The donor roll further includes a connector operably associated with the body, electrically connected to the electrode member, and rotatable with the body. The connector is adapted to be removably connectable to the commutator.

Abstract: A corona generator including a support structure and an electrode mounted on the support structure is provided. The corona generator also includes an ozone neutralizing element removably mounted on the support structure proximate to the electrode. The ozone neutralizing element has various substrates and types for removably mounting the element.

Abstract: A tool for removing contamination from the teeth of a gear is provided. The tool includes a body defining an aperture therethrough and a cleaner for cleaning the teeth of the gear. The cleaner is attached to the body and is adjacent to the aperture.

Abstract: A system for sealing a member rotating about an axis of a support is provided. The system includes a magnetic field producing member and a magnetizable member. The magnetizable member is positioned adjacent the magnetic member. The magnetizable member has at least a portion thereof progressively increasing in thickness in a direction substantially parallel to the axis as distance from the axis increases.

Abstract: A shaft assembly comprising an elongated member having at least a portion which is hollow, tubular, shell like having an inside surface defining a shaft core and an outside surface defining a shaft functional surface, the shaft core being filled with a hardened, moldable material, and the shaft functional surface having at least one functional feature thereon, which is of hardened, moldable material integrally molded with the hardened, moldable material in the shaft core.

Abstract: An apparatus for breaking aggregated toner in a liquid carrier into smaller pieces is provided. The apparatus includes a screen defining a plurality of apertures therein with the smaller pieces of toner being passable therethrough and a member. The member and the screen have a movable relation therebetween which is parallel to a surface of the screen to urge at least a portion of the toner through the screen.

Abstract: A developer unit for developing a latent image recorded on an image receiving member to form a developed image is provided. The developer unit includes a housing defining a chamber for storing at least a supply of toner therein and a moving donor member spaced from the image receiving member. The donor member is adapted to transport toner from the chamber of the housing to the image receiving member in a development zone. The donor member receives toner from a reloading zone. The developer unit also includes an electrode structure and an electrical field establisher for establishing an electrical field between the donor member and the electrode structure. The electrical field establisher is spaced from the development zone and the reloading zone, to assist in cleaning toner from the donor member.

Abstract: An auger for mixing particles comprises an elongated member and a first set of fins extending radially outwardly from the elongated member. The auger also comprises a second set of fins extending radially outwardly from the elongated member. The second set of fins defines a spiral so that the particles move radially and longitudinally relative to the elongated member.

Abstract: An apparatus for transporting marking particles is provided. The apparatus includes a donor roll and an electrode member. The electrode member includes a plurality of electrical conductors mounted on the surface of donor roll with adjacent electrical conductors being spaced from one another. The electrode member further includes a connecting member fixedly secured to the donor roll. The connecting member electrically interconnects at least two electrical conductors.