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US 4,542,976 AGranted
Partially openable image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorToshirou Kasamura
Life of this patent
Estimating the term…
Abstract
In an image forming apparatus having an upper and a lower frame which are discrete from each other, first control means for holding and controlling the upper and lower frames in a partly open position smaller than the fully open position of the upper and lower frames, second control means for holding and controlling the upper and lower frames in the fully open position thereof, and third control means for holding and controlling the upper and lower frames in the fully closed position thereof.
Claims10
An image forming apparatus having:
- an upper and a lower structure which are discrete from each other;
- an image formation process kit removably held by said upper structure;
- first control means for holding and controlling said upper and lower structures in a partly open position smaller than the fully open position of said upper and lower structures to render said image formation process kit removably mountable in said partly open position;
- second control means for holding and controlling said upper and lower structures in the fully open position thereof to enable paper jam or the like to be dealt with;
- and
- third control means for holding and controlling said upper and lower structures in the fully closed position thereof.
3 more elements
An image forming apparatus comprising:
- an apparatus body having a first housing and a second housing openable so as to be inclined with respect to said first housing;
- a process kit removably mounted to said second housing, said process kit including an image bearing member, a container to contain a developer, and supporting means to support said image bearing member and said container;
- and
- means for holding said first and second housings in an open state at an angle smaller than the fully opened angle therebetween to permit maintenance.
1 more element
An image forming apparatus comprising:
- a first housing;
- a second housing openable so as to be inclined to said first housing and removably holding an image bearing member and a container for containing a developer;
- and
- means for holding said first and second housings in an open state at an angle smaller than the fully opened angle therebetween to permit maintenance.
1 more element
Dependencies are inferred from the claim text.