# US 2013/0156470 A1 · Developer replenishment container accommodating apparatus, developer replenishment container, and image forming apparatus

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- Number: US 2013/0156470 A1
- Document ID: US20130156470A1
- Status: Published application
- Kind: A1
- Application number: 13/681,920
- Filed: 2012-11-20
- Published: 2013-06-20
- Earliest claimed: 2011-12-16
- Assignees: Canon Kabushiki Kaisha; Canon Finetech Inc.
- Inventors: Kazuhiro MOCHIZUKI; Akira MASUDA; Yutaka BAN; Nobuo NAKAJIMA
- Web page: https://patentgrep.com/patent/US20130156470A1

## CPC

- G03G 15/0867: {cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening}
- G03G 15/0872: {the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis}
- G03G 15/0886: {by mechanical means, e.g. shutter, plug}
- G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

## Abstract

A developer replenishment container accommodating apparatus in which a developer replenishment container is removably put in a main body of the accommodating apparatus, which replenishes a developer while rotating the developer replenishment container, the accommodating apparatus including: a holding portion provided on the main body of the accommodating apparatus and configured to hold the developer replenishment container put in the main body in a replenishment position for replenishing the developer; and a pressing portion configured to press the developer replenishment container put in the main body toward an upstream side in a push-in direction in which the developer replenishment container is pushed in the main body, wherein, when the developer replenishment container is put in the main body, the developer replenishment container is secured while being biased and pressed against the holding portion by the pressing portion.

## Claims

### Claim 1

A developer replenishment container accommodating apparatus in which a developer replenishment container is removably put in a main body of the accommodating apparatus, which replenishes a developer while rotating the developer replenishment container, the accommodating apparatus comprising:
a holding portion provided on the main body of the accommodating apparatus and configured to hold the developer replenishment container put in the main body of the accommodating apparatus in a replenishment position for replenishing the developer; and
a pressing portion configured to press the developer replenishment container put in the main body of the accommodating apparatus toward an upstream side in a push-in direction in which the developer replenishment container is pushed in the main body of the accommodating apparatus,
wherein, when the developer replenishment container is put in the main body of the accommodating apparatus, the developer replenishment container is secured while being biased and pressed against the holding portion by the pressing portion.

### Claim 2 (depends on 1)

A developer replenishment container accommodating apparatus according to claim 1, wherein the pressing portion is provided on a portion of the main body of the accommodating apparatus on the upstream side of the holding portion in the push-in direction and on a side opposite to the holding portion.

### Claim 3 (depends on 1)

A developer replenishment container accommodating apparatus according to claim 1, wherein an opening configured to discharge the developer is provided in an end portion of the developer replenishment container on a downstream side in the push-in direction; and
the developer replenishment container is secured while being biased by the pressing portion so that the developer replenishment container is declined with the opening being lowered.

### Claim 4 (depends on 1)

A developer replenishment container accommodating apparatus according to claim 1, wherein the pressing portion comprises: an engaging piece configured to engage with the developer replenishment container when the developer replenishment container is put in the main body of the accommodating apparatus; and a biasing member configured to bias the engaging piece toward the upstream side in the push-in direction,
the engaging piece engages with the developer replenishment container before the developer replenishment container is held by the holding portion, and is moved together with the developer replenishment container against a biasing force of the biasing member, and
the holding portion comprises: a click portion configured to engage with the developer replenishment container; a pivot member configured to hold the click portion; a support portion configured to support the pivot member pivotable between an engaging position in which the click portion engages with the developer replenishment container and an engagement release position in which an engagement of the click portion and the developer replenishment container is released; and a biasing member configured to bias the pivot member to position the pivot member in the engaging position, and the pivot member is supported by the support portion so as to be pivotable in a direction orthogonal to the push-in direction, and when the developer replenishment container is pulled out, the click portion is pressed by the developer replenishment container so that the pivot member is moved from the engaging position to the engagement release position.

### Claim 5 (depends on 4)

A developer replenishment container accommodating apparatus according to claim 4, wherein a movement distance of the engaging piece in the push-in direction is longer than a distance between the click portion and the engaging piece in the push-in direction.

### Claim 6 (depends on 4)

A developer replenishment container accommodating apparatus according to claim 4, wherein the click portion is provided on the support portion so as to be pivotable in the push-in direction and so as to be biased toward a downstream side in the push-in direction; and
when the developer replenishment container is pulled out, the pivot member is moved to the engagement release position after the click portion is pressed by the developer replenishment container so as to be pivoted by a predetermined amount.

### Claim 7 (depends on 6)

A developer replenishment container accommodating apparatus according to claim 6, wherein a biasing force of the biasing member of the holding portion is larger than a biasing force of the click portion.

### Claim 8 (depends on 1)

An image forming apparatus, comprising:
a developing portion configured to develop an electrostatic latent image with a developer; and
a developer replenishment container accommodating apparatus according to claim 1, in which a developer replenishment container configured to replenish the developing portion with the developer is removably put in the accommodating apparatus, which replenishes the developer while rotating the developer replenishment container in a direction orthogonal to a push-in direction in which the developer replenishment container is pushed in the accommodating apparatus.

### Claim 9

A developer replenishment container which is removably put in a main body of a developer replenishment container accommodating apparatus and replenishes a developer while being rotated by the accommodating apparatus, the developer replenishment container comprising:
a portion to be engaged which is disengageably engaged with a holding portion provided on the main body of the accommodating apparatus so that the developer replenishment container is held in a replenishment position for replenishing the developer when the developer replenishment container is put in the main body of the accommodating apparatus; and
a portion to be pressed which is pressed by a pressing portion provided on the main body of the accommodating apparatus,
wherein, when the developer replenishment container is put in the main body of the accommodating apparatus and is being rotated, the developer replenishment container is secured in a manner that the portion to be engaged is pressed against the holding portion by the portion to be pressed being pressed by the pressing portion.

### Claim 10 (depends on 9)

A developer replenishment container according to claim 9, wherein when the developer replenishment container is put in the main body of the accommodating apparatus, the portion to be pressed is located on an upstream side of the holding portion in a push-in direction in which the developer replenishment container is pushed in the main body of the accommodating apparatus and on a side opposite to the holding portion.

### Claim 11 (depends on 9)

A developer replenishment container according to claim 9, wherein an opening configured to discharge the developer is provided in an end portion of the developer replenishment container on a downstream side in a push-in direction in which the developer replenishment container is pushed in the main body of the accommodating apparatus, and
the developer replenishment container is secured by the pressing portion so that the developer replenishment container is declined with the opening being lowered.

### Claim 12 (depends on 11)

A developer replenishment container according to claim 11, wherein the portion to be engaged is provided on an upstream side of the opening in the push-in direction.

### Claim 13 (depends on 9)

A developer replenishment container according to claim 9, further comprising:
a container body configured to contain toner and rotatable about an axis thereof; and
an opening through which the toner is discharged from the developer replenishment container,
wherein the portion to be engaged is disposed opposite to the portion to be pressed, and the portion to be engaged is disposed closer to the opening than the portion to be pressed in an axial direction of the developer replenishment container.

### Claim 14 (depends on 9)

A developer replenishment container according to claim 9, wherein the portion to be engaged is rotatable integrally with the portion to be pressed.

### Claim 15 (depends on 9)

An image forming apparatus, comprising:
a developing portion configured to develop an electrostatic latent image with a developer;
a developer replenishment container according to claim 9, which is configured to replenish the developing portion with the developer; and
a developer replenishment container accommodating apparatus in which the developer replenishment container is removably put in the accommodating apparatus, which replenishes the developer while rotating the developer replenishment container in a direction orthogonal to a push-in direction in which the developer replenishment container is pushed in the accommodating apparatus.
