Cartridge detachably mounted to an image forming apparatus including a lock member engagable with a wall of the image forming apparatus
First Claim
Patent Images
1. A cartridge detachably mounted to an image forming apparatus, comprising:
- an image bearing member;
a cleaning member for removing toner on said image bearing member;
a discharge port for discharging from the cartridge the toner removed by said cleaning member;
a shutter for opening and closing said discharge port; and
a lock member adapted to (i) be at a first position for preventing said shutter from being opened when the cartridge is detached from the image forming apparatus, and (ii) shift to a second position for enabling said shutter to be opened when the cartridge is mounted to the image forming apparatus,wherein said lock member shifts from the first position to the second position by contacting with a wall of the image forming apparatus.
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Accused Products
Abstract
A process cartridge detachably mounted to an image forming apparatus is provided with a lock mechanism in a shutter member of opening and closing a toner discharge port, and once the process cartridge is mounted onto an image forming apparatus, the lock mechanism is configured to be unlocked so as to enable the shutter member to open and close subject to unlocking of a lock.
32 Citations
11 Claims
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1. A cartridge detachably mounted to an image forming apparatus, comprising:
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an image bearing member; a cleaning member for removing toner on said image bearing member; a discharge port for discharging from the cartridge the toner removed by said cleaning member; a shutter for opening and closing said discharge port; and a lock member adapted to (i) be at a first position for preventing said shutter from being opened when the cartridge is detached from the image forming apparatus, and (ii) shift to a second position for enabling said shutter to be opened when the cartridge is mounted to the image forming apparatus, wherein said lock member shifts from the first position to the second position by contacting with a wall of the image forming apparatus. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A cartridge detachably mounted to an image forming apparatus, comprising:
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a toner supply port through which toner is supplied from an image forming apparatus side; a shutter for opening and closing said toner supply port; and a lock member adapted to (i) be at a first position for preventing said shutter from being opened when the cartridge is detached from the image forming apparatus, and (ii) shift to a second position for enabling said shutter to be opened when the cartridge is mounted to the image forming apparatus, wherein said lock member shifts from the first position to the second position by contacting with a wall of the image forming apparatus, and wherein said shutter is fitted to an image forming apparatus side shutter of the image forming apparatus, and said shutter is unlocked by said lock member and the image forming side shutter is moved in an integrated manner to cause said shutter to open said toner supply port. - View Dependent Claims (8, 9, 10, 11)
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Specification