Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4035140 | Fixing device in an electrophotographic copying machine A fixing device in an electrophotographic copying machine, wherein stripping members each being in contact with the surface of a heating roll 21, and conveying rolls which serve to convey a support material while the latter being held therebetween, are po... | 07/12/1977 |
| 4028050 | Stripper finger and combination mounting means therefor Apparatus where stripping copy sheets from a heated fuser member utilized in a xerographic copier. The apparatus is characterized by the provision of a plurality of stripper fingers and combination support and bias means therefor wherein the support and b... | 06/07/1977 |
| 4026238 | Apparatus for applying release material to a contact fuser roll member utilized in fixing toner images to support sheets Release material applicator structure for utilization in a heat and pressure fuser including a fuser roll structure for fixing toner images to support sheets. The release material employed is solid at room temperature and liquid at the operating temperatu... | 05/31/1977 |
| 4025751 | Fuser roll sleeve For use in a xerographic reproducing apparatus, a fuser roll structure comprising a core member having a sleeve carried thereby and a heat source disposed internally or externally of the core member. The fuser roll structure is characterized by the fabric... | 05/24/1977 |
| 4022122 | Pressing installation for a copying arrangement A pressing installation for use with a copying arrangement which installation includes a pair of opposed pressure rollers mounted on shafts mutually inclined toward one another with bearing blocks being provided for supporting the rollers. The bearing blo... | 05/10/1977 |
| 4019024 | Roller for fixing electrophotographic toner images and method of producing the same An image fixing roller having a comparatively long service life and tending to resist the so-called "offset phenomenon" in which portions of the toner image on one sheet adhere to the roller and are transferred onto the next sheet bearing a toner image. T... | 04/19/1977 |
| 4017065 | Transfer-fusing speed compensation In an electrostatographic copier wherein the fuser rolls are positioned closer than the dimensions of the copy sheet from the image transfer area, speed mismatch compensation between the fuser roll nip and the initial image support surface is provided by ... | 04/12/1977 |
| 4017067 | Transfer-fusing speed compensation In an electrostatographic copier wherein the fuser rolls are positioned closer than the dimensions of the copy sheet from the image transfer area, speed mismatch compensation between the fuser roll nip and the initial image support surface is provided by ... | 04/12/1977 |
| 4011353 | Apparatus for forming a uniform liquid film on a roller Liquid is applied onto the circumference of a transfer roller by an applicator and thereby onto the circumference of an operating roller. The coefficients of friction in the apparatus are selected so that the transfer roller will be rotated by the operati... | 03/08/1977 |
| 4008955 | Fuser assembly for an electrophotograhic copying machine A fusing apparatus in which particles are affixed substantially permanently to a moving sheet of support material. Each portion of the leading marginal region of the sheet of support material is advanced substantially simultaneously between a fuser roll a... | 02/22/1977 |
| 4004549 | Roll fuser A roll fusing apparatus comprising a heated roll structure and a resilient backup roll cooperating with the heated roll structure to form a nip through which toner images as with the toner images contacting the heated fuser roll structure. The heated fuse... | 01/25/1977 |
| 4001544 | Apparatus for fixing electrophotographic images Apparatus for fixing electrophotographic images carrying toner powder and comprising an upper heated fixing roller and a lower driven counter roller cooperating with the fixing roller to form a nip for the passage of image bearing sheets to be fixed, the ... | 01/04/1977 |
| 4000957 | Contact fuser and release agent applicator therefor A contact fuser assembly for use in an electrostatic reproducing apparatus including an internally heated fuser roll structure comprising a rigid or non-deformable, thermally conductive core to which is supplied a low molecular weight polyethylene release... | 01/04/1977 |
| 4001545 | Devices for controlling the heating of fuser roll apparatus Devices for controlling the heating of fuser roll apparatus are disclosed. In fuser roll apparatus a toner powder image is heated under pressure on a supporting sheet to be fixed thereon. The apparatus comprises a plurality of heaters for heating a fuser ... | 01/04/1977 |
| 4001546 | Film thermal processing A fixed drum has input, output and developing segments of aluminum to provide a cool input and output segments thermally separated from a heated developing segment maintained at substantially constant temperature. The film to be developed passes beneath a... | 01/04/1977 |
| 3998584 | Electrophotographic fusing apparatus The heat and pressure rolls of a fusing apparatus for an electrophotographic copying machine are shifted into pressure contact with one another while a support sheet bearing a toner powder image passes therebetween, and are separated while the sheet is no... | 12/21/1976 |
| 3999038 | Flared fuser roll An improved pressure heated fusing apparatus for a copier/duplicator machine capable of simplex and duplex operation wherein the copy sheets make two passes through processing stations including a first roll which is heated to a temperature sufficient to ... | 12/21/1976 |
| 3981269 | Fixing device for electrophotographic duplicating machines A fixing device for use in an electrophotographic duplicating machine, the fixing device comprising heat rollers through which is fed a copy medium supporting a toner image, the heat rollers fixing the toner image to the support medium, a feed member for ... | 09/21/1976 |
| 3981085 | Air stripping device for elastomeric surface An improved air stripping device for stripping copy sheets from the surface of an elastomeric fuser roll surface in which copies are fused under heat and pressure. The improved air stripping device utilizes the deformation in the elastomeric surface resul... | 09/21/1976 |
| 3980423 | Fuser cleaning roll assembly An improved cleaning roll assembly for cleaning the residual toner particles from the heated fuser roll of a heated pressure fusing system in an electrostatic copy machine. A carriage supports a plurality of cleaning rollers in contact with the surface of... | 09/14/1976 |
| 3980424 | Fuser cleaning roller An improved cleaning roller for cleaning the residual toner particles from the heated fuser roll of a heated pressure fusing system in an electrostatic copy machine. The cleaning roller is mounted on a carriage supporting one or more cleaning rollers in c... | 09/14/1976 |
| 3973844 | Latching mechanism for the backup roll of a roll fuser employed in a copier apparatus Mechanism for latching a backup roll into engagement with a heated fuser roll structure. The mechanism is characterized by a four pivot linkage including a first fixed pivot supporting the backup roll for movement. The linkage is so arranged as to require... | 08/10/1976 |
| 3966394 | Plural cleaning rolls assembly An improved plural cleaning rolls assembly for cleaning the residual toner particles from the heated fuser roll of a heated pressure fusing system in an electrostatic copy machine. The improved assembly includes a carriage supporting a plurality of cleani... | 06/29/1976 |
| 3965853 | Contact fuser assembly A contact fuser assembly for use in an electrostatic reproducing apparatus including an internally heated fuser roll structure comprising a rigid or non-deformable, thermally conductive core capable of interacting with a material applied thereto in such a... | 06/29/1976 |
| 3964431 | Device for supplying an offset preventing liquid to a fixing roller A device comprising an offset preventing liquid supply roller of a novel construction which is capable of supplying a suitable amount of offset preventing liquid in one operation to a fixing roller of an electrophotographic copying apparatus and remaining... | 06/22/1976 |
| 3965332 | Selective fusing apparatus Apparatus of the type which fuses toner images onto support material by heat and pressure. A heated fuser roll includes a cylindrical member made of quartz which transmits radiant energy from a lamp source located on the interior of the cylindrical member... | 06/22/1976 |
| 3965331 | Dual mode roll fuser A contact fuser assembly for use in an electrostatic reproducing apparatus wherein toner images are formed on various types of substrates, for example, plain paper and transparency materials such as cellulose acetate or polyester film. The fuser assembly ... | 06/22/1976 |
| 3957423 | Stripper finger design Contact fuser for a xerographic reproducing apparatus characterized by the provision of means for stripping the copy paper from the heated fuser roll. The stripping means is characterized by the provision of a plurality of finger-like elements which are p... | 05/18/1976 |
| 3955916 | Fuser roll sheet stripping apparatus An apparatus in which a sheet of support material having particles substantially permanently affixed thereto is separated from a heated fuser member. The heated fuser member is operatively associated with a back up member such that the sheet of support ma... | 05/11/1976 |
| 3952696 | Fixing device for electrophotographic copying apparatus Electrophotographic copying apparatus is disclosed including electrically heatable contact fixing means for fixing an electrophotographically produced toner image on an image carrier. The fixing means includes an electroconductive fixing layer mounted in ... | 04/27/1976 |
| 3951585 | Method of heating and fixing a toner image A method and a device using a pair of fixing rolls at least one of which is heated so that the two rolls are brought into pressing engagement with each other by thermal expansion of the heated roll. A copy sheet bearing a toner image formed thereon is fed... | 04/20/1976 |
| 3948215 | Fixing toner images in electrophotography A toner image formed on a support sheet by toner particles adhering to selected areas of the sheet is fused either by simply disposing the sheet in with a heating surface, or by additionally pressing the sheet. After the toner image particles are fused, t... | 04/06/1976 |
| 3948214 | Instant start fusing apparatus Apparatus of the type which fuses toner images onto support material by heat and pressure including an instantly heated fuser roll and a pressure back-up roll having an elastomeric surface. The fuser roll has a cylindrical member made of quartz or other m... | 04/06/1976 |
| 3942230 | Composite metallic roll with release surface and method of making same A composite metallic roll or other member comprising a body member of a base metal, a porous plasma flame spray plate of a nickel chromium alloy, and a continuous film of a Teflon deposited over said plate and impregnating the same for gradual exposure ov... | 03/09/1976 |
| 3941558 | Contact-heating fixing device for electrophotography A contact-heat fixing device for electrophotography, characterized in that said fixing device comprises a cleaning member impregnated with an offset preventive liquid and a means for feeding said cleaning member in a state compressedly contacted with a he... | 03/02/1976 |
| 3941085 | Release material applicator An apparatus in which release material is applied to a heated fuser member. A back up member is in communication with the fuser member and a sheet of support material having particles thereon passes therebetween. The particles on the sheet of support mate... | 03/02/1976 |
| 3940238 | Cleaning structure for an elastomeric fuser member Contact fusing system for utilization in the process of forming toner images on support sheets. The system is characterized by the provision of structure for cleaning toner material from an elastomeric backup member cooperating with a heated fuser member ... | 02/24/1976 |
| 3937919 | Fixing device For fixing electrostatically formed images of thermoplastic powder on copy sheets, an elastic roller and a heated rigid roller form a nip through which each sheet is passed with its image side engaged by the elastic roller, and the elastic roller has a pl... | 02/10/1976 |
| 3934547 | Renewable chow fuser coating A contact fuser assembly for use in an electrostatic reproducing apparatus including an internally heated fuser roll structure comprising a rigid, thermally conductive core which is coated during operation of the assembly with a thin layer of a normally s... | 01/27/1976 |
