Copier

Claim 2

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion which extends in the moving direction thereof, said portion having a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; paper feed means for feeding copying sheets to said photosensitive member, said copying sheets being fed in such a manner that one side end thereof always corresponds to said non-imaging portion of said photosensitive member; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to said side end of said photosensitive member, and during varied-size imaging the image thereof is shifted inwardly from said side end of said photosensitive member; and displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto.

Claim 3

A copier comprising: an original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion which extends in the moving direction thereof, said portion having a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; a paper feed means for feeding copying sheets to said photosensitive member, said copying sheets being fed in such a manner that one side end thereof always corresponds to said non-imaging portion of said photosensitive member; a separating means provided in said non-imaging portion of said photosensitive member and constantly between a fed copying sheet and said photosensitive member for separating the copying sheet from said photosensitive member; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to the side end of said photosensitive member, and during the varied-size imaging, the image thereof is shifted inwardly from said side end of said photosensitive member; and displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto.

Claim 4

A copier comprising: an original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion which extends in the moving direction thereof, said portion having a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; a paper feed means for feeding copying sheets to said photosensitive member, said copying sheets being fed in such a manner that one side end thereof always corresponds to said non-imaging portion of said photosensitive member; a separating means provided in said non-imaging portion of said photosensitive member and constantly between a fed copying sheet and said photosensitive member for separating the copying sheet from said photosensitive member; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to the side end of said photosensitive member, and during the varied-size imaging, the image thereof is shifted inwardly from said side end of said photosensitive member; and displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto.

Claim 5

A copier according to claim 2 wherein said separating means is a separating belt.

Claim 6

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the image magnification ratio, with a non-imaging portion which extends in the moving direction thereof, said portion having a finite width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; paper feed means for feeding copying sheets to said photosensitive member, said copying sheets being fed in such a manner that one side end thereof always corresponds to said non-imaging portion of said photosensitive member; separating means provided in said non-imaging portion of said photosensitive member and constantly between a fed copying sheet and said photosensitive member for separating the copying sheet from said photosensitive member; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to said side end of said photosensitive member, and during varied-size imaging the image thereof is shifted inwardly from said side end of said photosensitive member; displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto; stopping means for terminating the displacement of said optical elements; and switch means for deactivating said displacing means upon the lapse of a predetermined time after the displacement of said optical means is stopped by said stopping means.

Claim 7

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the image magnification ratio, with a non-imaging portion which extends in the moving direction thereof, said portion having a finite width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; paper feed means for feeding copying sheets to said photosensitive member, said copying sheets being fed in such a manner that one side end thereof always corresponds to said non-imaging portion of said photosensitive member; separating means provided in said non-imaging portion of said photosensitive member and constantly between a fed copying sheet and said photosensitive member for separating the copying sheet from said photosensitive member; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to said side end of said photosensitive member, and during varied-size imaging the image thereof is shifted inwardly from said side end of said photosensitive member; displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto; stopping means for terminating the displacement of said optical elements; and switch means for deactivating said displacing means upon the lapse of a predetermined time after the displacement of said optical means is stopped by said stopping means.

Claim 8

A copier according to claim 4 further comprising a means for releasing said stopping means.

Claim 9

A copier according to claim 4, wherein said displacing means is prevented from moving backwardly by the self-locking between a worm gear and a worm wheel, after said displacing means is stopped by said stopping means.

Claim 10

A copier according to claim 4, wherein said stopping means, upon the reciprocating movement of said optical means, operates in only one direction of the reciprocation, and said switch means comprises a rotary member performing a full rotation in one direction corresponding to a reciprocating movement of said optical means, said rotary member being adapted to release a displacement stopping signal during one rotation corresponding to each copying magnification.

Claim 11

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion provided in the moving direction thereof with a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to said side end of said photosensitive member and during varied-size imaging the image thereof is shifted inwardly from said side end; displacing means for displacing at least a portion of said optical means in the axial direction and in a direction perpendicular thereto; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio; and an exposure adjusting mechanism for controlling, by manual operation from outside, said exposure control mechanism through said control mechanism thereby manually controlling the amount of light supplied to said focusing element.

Claim 12

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion provided in the moving direction thereof with a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging, the image of said positioning standard end is directed to said side end of said photosensitive member and during varied-size imaging the image thereof is shifted inwardly from said side end; displacing means for displacing at least a portion of said optical means in the axial direction and in a direction perpendicular thereto; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio; and an exposure adjusting mechanism for controlling, by manual operation from outside, said exposure control mechanism through said control mechanism thereby manually controlling the amount of light supplied to said focusing element.

Claim 13

A copier according to claim 8 wherein said control mechanism comprises a movable pulley provided in said movable portion and adapted for controlling said exposure control mechanism, a fixed pulley provided in said fixed portion, a floating pulley having a different diameter from at least one of said movable pulley and fixed pulley and provided between said two pulleys and an endless string provided around said pulleys, said movable pulley being rotated by the displacement of said movable portion whereby the exposure control mechanism automatically controls the amount of light supplied to said focusing element.

Claim 14

A copier according to claim 8 wherein said exposure control mechanism comprises a member transmitting a drive power from said exposure adjusting mechanism to said exposure control mechanism but not in the opposite direction by the self-locking of a worm gear and a worm wheel.

Claim 15

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion provided in the moving direction thereof with a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging the image of said positioning standard end is directed to said side end of said photosensitive member and during varied-size imaging the image thereof is shifted inwardly from said side end; displacing means for displacing at least a portion of said optical means in the axial direction and in a direction perpendicular thereto; stopping means for terminating the displacement of said optical means; switch means for deactivating said displacing means upon the lapse of a predetermined time after displacement of said optical means is stopped by said stopping means; an exposure control mechanism for said focusing element and movable integrally therewith; and a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio.

Claim 16

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion provided in the moving direction thereof with a predetermined width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging the image of said positioning standard end is directed to said side end of said photosensitive member and during varied-size imaging the image thereof is shifted inwardly from said side end; displacing means for displacing at least a portion of said optical means in the axial direction and in a direction perpendicular thereto; stopping means for terminating the displacement of said optical means; switch means for deactivating said displacing means upon the lapse of a predetermined time after displacement of said optical means is stopped by said stopping means; an exposure control mechanism for said focusing element and movable integrally therewith; and a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio.

Claim 17

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion provided in the moving direction thereof with a finite width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging the image of said positioning standard end is directed to said side end of said photosensitive member and during varied-size imaging the image thereof is shifted inwardly from said side end; displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto; stopping means for terminating the displacement of said optical means; switch means for deactivating said displacing means upon the lapse of a predetermined time after displacement of said optical means is stopped by said stopping means; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio; and an exposure adjust mechanism for controlling, by external manual operation, said exposure control mechanism through said control mechanism thereby manually controlling the amount of light supplied to said focusing element.

Claim 18

A copier comprising: original support means provided with a positioning standard end on one side end thereof; a photosensitive member provided, irrespective of the imaging magnification ratio, with a non-imaging portion provided in the moving direction thereof with a finite width extending inwardly from a side end corresponding to said positioning standard end, said member also having an imaging portion; optical means comprising a focusing element displaceable by predetermined amounts in the axial direction and in a direction perpendicular thereto for selectively focusing a real-size image and a varied-size image on said photosensitive member, wherein during real-size imaging the image of said positioning standard end is directed to said side end of said photosensitive member and during varied-size imaging the image thereof is shifted inwardly from said side end; displacing means for displacing at least a portion of said optical means in the axial direction thereof and in a direction perpendicular thereto; stopping means for terminating the displacement of said optical means; switch means for deactivating said displacing means upon the lapse of a predetermined time after displacement of said optical means is stopped by said stopping means; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio; and an exposure adjust mechanism for controlling, by external manual operation, said exposure control mechanism through said control mechanism thereby manually controlling the amount of light supplied to said focusing element.

Claim 19

A copier comprising: original support means; a photosensitive member; optical means comprising a focusing element for real-size imaging and a varied-size imaging; a displacing means for displacing at least a portion of said optical means; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio; and an exposure adjusting mechanism for controlling, by manual operation from outside, said exposure control mechanism through said control mechanism thereby manually controlling the amount of light supplied to said focusing element.

Claim 20

A copier comprising: original support means; a photosensitive member; optical means comprising a focusing element for real-size imaging and a varied-size imaging; a displacing means for displacing at least a portion of said optical means; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio; and an exposure adjusting mechanism for controlling, by manual operation from outside, said exposure control mechanism through said control mechanism thereby manually controlling the amount of light supplied to said focusing element.

Claim 21

A copier comprising: original support means; a photosensitive member; optical means comprising a focusing element for real-size imaging and a varied-size imaging; a displacing means for displacing at least a portion of said optical means; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio.

Claim 22

A copier comprising: original support means; a photosensitive member; optical means comprising a focusing element for real-size imaging and a varied-size imaging; a displacing means for displacing at least a portion of said optical means; an exposure control mechanism for said focusing element and movable integrally therewith; a control mechanism consisting of a movable portion connected for movement with the displacement of said focusing element and a fixed portion independent of said displacement, said mechanism being adapted to automatically control said exposure control mechanism in cooperation with the displacement of said movable portion in accordance with the change of the image magnification ratio.