A drive transmission apparatus includes a first coupling portion having a polygonal shape; a second coupling portion having a hole portion which has a cross-sectional configuration larger than the first coupling portion, the hole portion being engageable with the first coupling portion; and a center shaft provided on the first coupling or the second coupling, the center shaft penetrating the other one of the first and second coupling.

 
Web www.patentalert.com

< Electrophotographic image forming apparatus, and process cartridge

< Data processing method, data processing apparatus and image printing apparatus

> Speech synthesis using multi-mode coding with a speech segment dictionary

> Exposure apparatus and method, and device fabricating method using the same
~ 00283