US 11,740,570 B1
Image forming apparatus
Masayuki Kasukawa, Misato Saitama (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on May 24, 2022, as Appl. No. 17/751,722.
Int. Cl. G03G 15/08 (2006.01); G03G 21/00 (2006.01)
CPC G03G 15/0812 (2013.01) [G03G 21/0029 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image forming apparatus, comprising:
a developing case configured to store a developer including a carrier and toner supplied from a toner cartridge;
a developing sleeve supported by the developing case at both ends and configured to cause the developer to adhere to an outer surface of the developing sleeve with a magnetic force;
a doctor blade including both end portions in a longitudinal direction supported by the developing case and a straight end face separated from the outer surface of the developing sleeve;
a first engaging structure provided in a center in the longitudinal direction of the doctor blade; and
a second engaging structure provided in the developing case and configured to engage with the first engaging structure, wherein
one of the first engaging structure and the second engaging structure includes a shaft member including a predetermined axis in a direction crossing the end face of the doctor blade, and
the other of the first engaging structure and the second engaging structure includes a recess including a pair of guide structures inclined with respect to the end face of the doctor blade and guided in a state in which an outer edge of the shaft member is fit in the recess.