Developer supply container and developer supplying apparatus
First Claim
1. A developer supply container detachably mountable to a developer supplying apparatus, the developer supply container comprising:
- a developer accommodating chamber capable of accommodating developer;
a discharge opening, provided on the developer accommodating chamber, for permitting discharge of the developer therein;
a storage portion provided in the developer accommodating chamber and capable of storing a predetermined amount of the developer to be supplied through the discharge opening;
a pump portion having a changeable inside volume with reciprocation and actable at least on the storage portion;
an air hole portion providing fluid communication between the pump portion and the storage portion; and
a suppressing portion capable of suppressing air directed toward the developer accommodating chamber from the pump portions while permitting supply of air from the pump portion to the air hole portion at least in a discharging operation.
1 Assignment
0 Petitions
Accused Products
Abstract
A developer supply container includes a developer accommodating chamber capable of accommodating developer, a storage portion provided in the developer accommodating chamber and capable of storing a predetermined amount of the developer to be discharged through a discharge opening, and a pump portion actable on the storage portion. A suppressing portion is provided, with the suppressing portion being capable of suppressing air directed toward the developer accommodating chamber from the pump portion, and with the suppressing portion permitting supply of air from the pump portion to the storage portion in a discharge operation.
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Citations
16 Claims
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1. A developer supply container detachably mountable to a developer supplying apparatus, the developer supply container comprising:
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a developer accommodating chamber capable of accommodating developer; a discharge opening, provided on the developer accommodating chamber, for permitting discharge of the developer therein; a storage portion provided in the developer accommodating chamber and capable of storing a predetermined amount of the developer to be supplied through the discharge opening; a pump portion having a changeable inside volume with reciprocation and actable at least on the storage portion; an air hole portion providing fluid communication between the pump portion and the storage portion; and a suppressing portion capable of suppressing air directed toward the developer accommodating chamber from the pump portions while permitting supply of air from the pump portion to the air hole portion at least in a discharging operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A developer supply container detachably mountable to a developer supplying apparatus, the developer supply container comprising:
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a rotatable developer accommodating chamber capable of accommodating developer; a developer discharging chamber in fluid communication with the developer accommodating chamber, the developer discharging chamber having a discharge opening for permitting discharge of the developer therein; a storage portion provided in the developer discharging chamber and capable of storing a predetermined amount of the developer to be supplied through the discharge opening; a pump portion having a changeable inside volume with reciprocation and actable at least on the storage portion; a partition provided between the storage portion and the pump portion in a direction of an axis of the developer accommodating chamber and configured to partition between the accommodating chamber and the pump portion; and an air hole provided in an inner wall of the developer discharging chamber closer to the pump portion than the partition in the direction of the axis, the air hole being configured to provide fluid communication between the pump portion and the storage portion. - View Dependent Claims (10, 11)
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12. A developer supply container detachably mountable to a developer supplying apparatus, the developer supply container comprising:
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a rotatable developer accommodating chamber capable of accommodating developer; a developer discharging chamber in fluid communication with the developer accommodating chamber, the developer discharging chamber having a discharge opening for permitting discharge of the developer therein; a storage portion provided in the developer discharging chamber and capable of storing a predetermined amount of the developer to be supplied through the discharge opening; a pump portion having a changeable inside volume with reciprocation and actable at least on the storage portion; a partition provided between the storage portion and the pump portion in a direction of an axis of the developer accommodating chamber and configured to partition between the accommodating chamber and the pump portion; and an air hole provided in the partition and configured to provide fluid communication between the pump portion and the storage portion. - View Dependent Claims (13, 14, 15, 16)
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Specification