US Patent Application 18341715. OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS simplified abstract

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OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS

Organization Name

CANON KABUSHIKI KAISHA


Inventor(s)

Atsushi Sano of Tokyo (JP)


Jun Nagatoshi of Tokyo (JP)


OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS - A simplified explanation of the abstract

  • This abstract for appeared for US patent application number 18341715 Titled 'OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS'

Simplified Explanation

The abstract describes an optical scanning apparatus that includes various components such as light sources, mirrors, lenses, and a casing. The apparatus has a projection on the top wall of its accommodating portion, which extends from one side wall to the other. The top wall also has a recess opposite to the projection. The projection is positioned further away from the opening of the accommodating portion than the reflecting surface of the rotatable polygonal mirror is from the rotational axis direction of the motor.


Original Abstract Submitted

An optical scanning apparatus includes first and second light sources, a rotatable polygonal mirror, a motor, first and second mirrors, first and second lenses, and a casing. Within a mounting range, a top wall of an accommodating portion is provided with at least one projection projecting toward an opening of the accommodating portion. The projection extends from a first side wall to a second side wall of the accommodating portion. The top wall includes a recess formed opposite from the projection, and is free from a portion projecting toward the opening over a range from the first side wall to the second side wall, other than the projection in the mounting range. A free end portion of the projection is in a position remoter from the opening than a reflecting surface of the rotatable polygonal mirror is with respect to a rotational axis direction of the motor.