| US 7,519,311 B2 | ||
| Developing apparatus, process cartridge, image forming apparatus, and assemblying method for developing apparatus | ||
| Ryuta Murakami, Shizuoka-ken (Japan); and Hideshi Kawaguchi, Numazu (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Dec. 07, 2006, as Appl. No. 11/608,047. | ||
| Claims priority of application No. 2006-115611 (JP), filed on Apr. 19, 2006; and application No. 2006-115612 (JP), filed on Apr. 19, 2006. | ||
| Prior Publication US 2007/0248378 A1, Oct. 25, 2007 | ||
| Int. Cl. G03G 21/18 (2006.01) | ||
| U.S. Cl. 399—111 [399/113] | 36 Claims |
| 1. A developing apparatus usable with an electrophotographic image forming apparatus for forming an image on a recording material,
said developing apparatus comprising:
a developer carrying member for developing a latent image formed on an electrophotographic photosensitive member with a developer;
a first frame for accommodating the developer, said first frame including a first opening for supplying the developer and
a first connecting portion provided around said first opening;
a second frame containing said developer carrying member, a second opening for receiving a supply of the developer from said
first opening and a second connecting portion provided around said second opening; and
an elastomer for connecting said first connecting portion and said second connecting portion with each other with said first
opening and said second opening being opposed to each other so as to permit movement of said first frame and said second frame
and so as to prevent the developer from leaking between said first connecting portion and said second connecting portion.
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