Copying apparatus with drum or fixing roller cleaning belt driven from document scanner

Claim 2

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member returns to the scanning starting position from the scanning ending position.

Claim 3

A copying apparatus as claimed in claim 1 in which said connecting means includes a one-way clutch.

Claim 4

A copying apparatus as claimed in claim 1 in which said cleaning means includes a roller for delivering the cleaning web, a roller for rolling up the cleaning web, and a member for pressing the cleaning web into contact with the surface of said photoconductive member.

Claim 5

A copying apparatus as claimed in claim 1 further comprising: a means for feeding a copy paper; a means for transferring the toner image on the photoconductive drum onto copy paper; and means for varying the scanning ending position of the scanning member according to the size of copy paper fed.

Claim 6

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanning document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means only as said scanning member moves within a predetermined range of movement.

Claim 7

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanning document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means only as said scanning member moves within a predetermined range of movement.

Claim 8

A copying apparatus as claimed in claim 1 in which said connecting means includes a sector gear.

Claim 9

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including speed reducing means having a predetermined speed ratio for making the amount of cleaning web transported less than the distance said scanning member is moved.

Claim 10

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including speed reducing means having a predetermined speed ratio for making the amount of cleaning web transported less than the distance said scanning member is moved.

Claim 11

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a driving means for driving said transporting means for transporting said cleaning web for a distance corresponding to the distance from the scanning starting position and the scanning ending position.

Claim 12

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a driving means for driving said transporting means for transporting said cleaning web for a distance corresponding to the distance from the scanning starting position and the scanning ending position.

Claim 13

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member moves the distance between the scanning starting and the scanning ending position.

Claim 14

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; a cleaning means for removing toner remaining on the surface of said photoconductive drum after a toner image has been removed from said drum, said cleaning means having a cleaning web in contact with said surface and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member moves the distance between the scanning starting and the scanning ending position.

Claim 15

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been said drum, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member returns to the scanning starting position from the scanning ending position.

Claim 16

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been said drum, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member returns to the scanning starting position from the scanning ending position.

Claim 17

A copying apparatus as claimed in claim 10 in which said connecting means includes a one-day clutch.

Claim 18

A copying apparatus as claimed in claim 10 in which said cleaning means includes a roller for delivering the cleaning web, a roller for rolling up the cleaning web, and a member for pressing the cleaning web into contact with the surface of said said one roller.

Claim 19

A copying apparatus as claimed in claim 10 further comprising: a means for feeding a copy paper; a means for transferring the toner image on the photoconductive drum onto copy paper; and means for varying the scanning ending position of the scanning member according to the size of copy paper fed.

Claim 20

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of th scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed on a copy paper, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said one roller; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means only as said scanning member moves within a predetermined range of movement.

Claim 21

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of th scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed on a copy paper, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said one roller; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means only as said scanning member moves within a predetermined range of movement.

Claim 22

A copying apparatus as claimed in claim 14 in which said connecting means includes a sector gear.

Claim 23

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed to a copy paper, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface of said one roller; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including speed reducing means having a predetermined speed ratio for making the amount of cleaning web transported less than the distance said scanning member is moved.

Claim 24

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed to a copy paper, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface of said one roller; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including speed reducing means having a predetermined speed ratio for making the amount of cleaning web transported less than the distance said scanning member is moved.

Claim 25

A copying apparatus, comprising: a photoconductive drum: a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed to a copy paper, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface of said one roller; and a driving means for driving said transporting means for transporting said cleaning web for a distance corresponding to the distance from the scanning starting position and the scanning ending position.

Claim 26

A copying apparatus, comprising: a photoconductive drum: a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed to a copy paper, said cleaning means having a cleaning web in contact with the surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface of said one roller; and a driving means for driving said transporting means for transporting said cleaning web for a distance corresponding to the distance from the scanning starting position and the scanning ending position.

Claim 27

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed to a copy paper, said cleaning means having a cleaning web in contact with said surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface of said one roller; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member moves the distance between the scanning starting and the scanning ending position.

Claim 28

A copying apparatus, comprising: a photoconductive drum; a scanning means for scanning a document placed on a document support table and irradiating an image of the scanned document on a surface of said photoconductive drum, said scanning means having a scanning member movable from a scanning starting position and a scanning ending position and back to said scanning starting position, and a means for driving said scanning member in said movement; a developing means for developing an electrostatic latent image formed on the photoconductive drum into a toner image; means for transferring the toner image on said photoconductive drum onto a copy paper; means for fixing the toner image of the copy paper, said fixing means having a pair of rollers, one of which contacts the side of the copy paper having the toner image thereon; a cleaning means for removing toner remaining on the surface of said one roller after a toner image has been fixed to a copy paper, said cleaning means having a cleaning web in contact with said surface of said one roller and a means for transporting said cleaning web for changing the portion of said cleaning web contacting said surface of said one roller; and a connecting means for connecting said transporting means for the cleaning web to said driving means for said scanning means, said connecting means including means for transmitting a driving force of said driving means to said transporting means as said scanning member moves the distance between the scanning starting and the scanning ending position.