Cleaning equipment for electrophotography

Claim 2

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off the repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferred process and a charging process to effect said cleaning prior to charging, said means for cleaning a photosensitive member by rubbing comprising a roller and an auxiliary cleaning member which is contacted with said roller so as to eliminate the toner adhering thereto, and said means for supplying a cleaning solution being positioned to apply the cleaning solution in the proximity of the contact between said roller and said auxiliary cleaning member.

Claim 3

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member an developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for cleaning a photosensitive member by rubbing comprising a cleaning web which moves relatively to the photosensitive member and then rubs thereon, and said means for supplying a cleaning solution comprising an elastic roller feeding a cleaning solution to the backside of the web.

Claim 4

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member an developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for cleaning a photosensitive member by rubbing comprising a cleaning web which moves relatively to the photosensitive member and then rubs thereon, and said means for supplying a cleaning solution comprising an elastic roller feeding a cleaning solution to the backside of the web.

Claim 5

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for supplying a cleaning solution and said means for cleaning a photosensitive member by rubbing comprising a tank for containing a cleaning solution, mounted adjacent said photosensitive member, a mesh electrode dividing said tank into a first compartment and a second compartment, a cleaning roller mounted over the first compartment of said tank for rubbing engagement with said photosensitive member, said cleaning roller being movable in a direction opposite to the movement of said photosensitive member, an auxiliary cleaning member mounted for engagement with said cleaning roller, a pump in said second compartment, said pump having a discharged pipe which extends to a position adjacent said cleaning roller and said auxiliary cleaning member for jetting out a cleaning solution in the neighborhood of the contacting point between said auxiliary cleaning member and said cleaning roller, and a squeezing roller for engaging said cleaning roller subsequent to said auxiliary cleaning member.

Claim 6

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for supplying a cleaning solution and said means for cleaning a photosensitive member by rubbing comprising a tank for containing a cleaning solution, mounted adjacent said photosensitive member, a mesh electrode dividing said tank into a first compartment and a second compartment, a cleaning roller mounted over the first compartment of said tank for rubbing engagement with said photosensitive member, said cleaning roller being movable in a direction opposite to the movement of said photosensitive member, an auxiliary cleaning member mounted for engagement with said cleaning roller, a pump in said second compartment, said pump having a discharged pipe which extends to a position adjacent said cleaning roller and said auxiliary cleaning member for jetting out a cleaning solution in the neighborhood of the contacting point between said auxiliary cleaning member and said cleaning roller, and a squeezing roller for engaging said cleaning roller subsequent to said auxiliary cleaning member.

Claim 7

Cleaning equipment according to claim 3, further comprising an elastic moisture absorbing roller mounted for engaging said photosensitive member subsequent to said cleaning roller.

Claim 8

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing comprising a tank for containing cleaning solution mounted adjacent said photosensitive member, a pump mounted in said tank, said pump having a discharge tube extending to a position adjacent said photosensitive member for spraying cleaning solution onto said photosensitive member, an elongated web mounted adjacent said photosensitive member for movement from a supply reel to a takeup reel in a direction opposite to the movement of said photosensitive member, and an elastic roller adjacent said web for urging said web into rubbing engagement with said photosensitive member.

Claim 9

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is positioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing comprising a tank for containing cleaning solution mounted adjacent said photosensitive member, a pump mounted in said tank, said pump having a discharge tube extending to a position adjacent said photosensitive member for spraying cleaning solution onto said photosensitive member, an elongated web mounted adjacent said photosensitive member for movement from a supply reel to a takeup reel in a direction opposite to the movement of said photosensitive member, and an elastic roller adjacent said web for urging said web into rubbing engagement with said photosensitive member.

Claim 10

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is posiTioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for supplying a cleaning solution and said means for cleaning a photosensitive member by rubbing comprising a cleaning web extending from a web supply roll to windup roll mounted adjacent said photosensitive member, a pair of spaced rollers mounted for urging said web into rubbing engagement with said photosensitive member, said web being movable in a direction opposite to the movement of said photosensitive member, an elastic cleaning solution supply roller, a transfer roller mounted for engagement with said cleaning solution supply roller and for engagement with one of said spaced rollers, a cleaning solution tank mounted under said cleaning solution supply roller, and a pump mounted in said tank, said pump having a discharge pipe for discharging cleaning solution onto said cleaning solution supply roller.

Claim 11

Cleaning equipment for use in an electrophotographic apparatus of the transferring type wherein an electrostatic latent image is formed on a photosensitive member and developed and then the developed image is transferred to a transferring material and, thereafter, the residual toner on the surface of the photosensitive member is cleaned off for repetitive use, said equipment comprising means for supplying a cleaning solution and means for cleaning a photosensitive member by rubbing which is posiTioned between a transferring process and a charging process to effect said cleaning prior to charging, said means for supplying a cleaning solution and said means for cleaning a photosensitive member by rubbing comprising a cleaning web extending from a web supply roll to windup roll mounted adjacent said photosensitive member, a pair of spaced rollers mounted for urging said web into rubbing engagement with said photosensitive member, said web being movable in a direction opposite to the movement of said photosensitive member, an elastic cleaning solution supply roller, a transfer roller mounted for engagement with said cleaning solution supply roller and for engagement with one of said spaced rollers, a cleaning solution tank mounted under said cleaning solution supply roller, and a pump mounted in said tank, said pump having a discharge pipe for discharging cleaning solution onto said cleaning solution supply roller.