Developing apparatus, image forming apparatus having the same, and assembling method of a developing apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorsJoo-hwan NOH, Yong-ju Cheon
Life of this patent
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Abstract
A developing apparatus usable with an image forming apparatus includes a developer receptacle having a sidewall on which a shaft hole is formed, a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle and an end on which a connection hole is formed, and a driving member rotatably supported by the shaft hole of the developer receptacle and having a connecting shaft inserted into the connection hole of the rotation shaft.
Claims25
A developing apparatus usable with an image forming apparatus the developing apparatus comprising:
- a developer receptacle having a sidewall on which a shaft hole is formed;
- a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle, and an end on which a connection hole is formed;
- and
- a driving member rotatably supported by the shaft hole of the developer receptacle, and having a connecting shaft inserted into the connection hole of the rotation shaft.
A developing apparatus usable with an image forming apparatus, the developing apparatus comprising:
- a developer receptacle;
- a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle, and an end on which a connection hole is formed;
- a shaft supporting member disposed at the one sidewall of the developer receptacle, and having a shaft supporting hole;
- and
- a driving member rotatably supported by the shaft supporting hole of the shaft supporting member, and having a connecting shaft inserted into the connection hole of the rotation shaft.
An image forming apparatus, comprising:
- a printing medium feeding unit;
- a developing apparatus to form an image on a photosensitive medium;
- a transfer roller to allow the image formed on the photosensitive medium to be transferred onto a printing medium fed from the printing medium feeding unit;
- and
- a fixing unit to fix the image onto the printing medium;
- wherein the developing apparatus comprises:
- a developer receptacle having a sidewall on which a shaft hole is formed;
- a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle, and an end on which a connection hole is formed;
- and
- a driving member rotatably supported by the shaft hole of the developer receptacle, and having a connecting shaft inserted into the connection hole of the rotation shaft.
An image forming apparatus, comprising:
- a printing medium feeding unit;
- a developing apparatus to form an image on a photosensitive medium;
- a transfer roller to allow the image formed on the photosensitive medium to be transferred onto a printing medium fed from the printing medium feeding unit;
- and
- a fixing unit to fix the image onto the printing medium;
- wherein the developing apparatus comprises:
- a developer receptacle;
- a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle, and an end on which a connection hole is formed;
- a shaft supporting member disposed at the one sidewall of the developer receptacle, and having a shaft supporting hole;
- and
- a driving member rotatably supported by the shaft supporting hole of the shaft supporting member, and having a connecting shaft inserted into the connection hole of the rotation shaft.
An assembling method of a developing apparatus, the method comprising:
- assembling a sealing member in a sealing member seat of a developer receptacle;
- inserting a rotation shaft having a length shorter than a distance between opposite sidewalls of the developer receptacle into the developer receptacle while remaining horizontal with respect to a bottom surface of the developer receptacle;
- positioning the rotation shaft in a same axis as the sealing member seat;
- and
- inserting a connecting shaft of a driving member into a connection hole of the rotation shaft through the sealing member from outside one sidewall of the developer receptacle.
A rotation shaft, which is rotatably disposed in a developer receptacle of a developing apparatus usable with an image forming apparatus, the rotation shaft comprising:
- a length being shorter than a distance between opposite sidewalls of the developer receptacle;
- a connection hole formed on an end of the rotation shaft, and into which a connecting shaft of the driving member is inserted;
- and
- an agitating member disposed on the rotation shaft.
A sealing member of a developing apparatus, which is disposed in a developer receptacle of the developing apparatus usable with an image forming apparatus, the sealing member comprising:
- the sealing member formed substantially in a U shape;
- a first end of the sealing member having a diameter corresponding to a diameter of a sealing member seat formed on a sidewall of the developer receptacle, and inserted into the sealing member seat;
- and
- a sealing hole formed on a second end of the sealing member to contact an outer circumferential surface of a connecting shaft of a driving member.
A developing apparatus usable with an image forming apparatus, the developing apparatus comprising:
- a developer receptacle having a bottom surface;
- a rotation shaft to linearly move in a vertical direction to the bottom surface while remaining horizontal with respect to the bottom surface;
- and
- a driving member to connect to the rotation shaft;
- wherein the driving member comprises a connecting shaft to extend through an opening of the developer receptacle to connect to the rotation shaft.
Dependencies are inferred from the claim text.