Drive transmission mechanism for transmitting drive to processing means and cartridge provided with same

摘要

A drive transmission mechanism is for transmitting drive to processing means that is in contact with an image bearing member to work on the image bearing member. The mechanism includes a supporting member that supports the processing means. The supporting member is pivotally movable. The mechanism further includes a driving force receiving portion provided on the supporting member for receiving a driving force for reciprocating the processing means in a longitudinal direction of the image bearing member, from a driving force imparting member and regulating member that regulates a pivotal movement of the supporting member.