Patent ID: 9188947
Filing Date: 2015-11-17
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image forming unit; a frame structure forming a housing structure including an internal space that accommodates the image forming unit, the frame structure including at least one metal side plate frame having an inner side surface facing the internal space and an outer side surface opposite the inner side surface; a plurality of rotational shafts; a plurality of drive gears each rotating about an axis of the rotational shaft; a resin drive housing including a supporting side surface that supports one end of the rotational shaft and a cavity in which the plurality of drive gears is accommodated, the drive housing being open at an open side at another end of the rotational shaft; a high voltage substrate that carries, on one surface thereof, an electric component for operating the image forming unit; a connecting member made of a conductive metal and including a lead wire and a first terminal member provided at one end of the lead wire and serving as a contact for supplying power to the image forming unit, wherein the drive gears, the drive housing, the high voltage substrate, and the connecting member are disposed within the internal space, the drive housing integrally includes a substrate supporting portion that supports the high voltage substrate, and is attached to the side plate frame such that the open side of the drive housing is sealed by the inner side surface of the side plate frame, and the drive housing has electrical insulation and holds the connecting member: the high voltage substrate includes a contact portion on the one surface thereof and electrically connected to the electric component, the connecting member further includes a second terminal member provided at another end of the lead wire, and the second terminal member is disposed at the substrate supporting portion, and the contact portion and the second terminal member come into contact with each other in a state in which the high voltage substrate is supported by the substrate supporting portion; a guide member that guides a sheet on which image forming processing is to be performed, wherein the drive housing includes a mounting engagement portion that is engaged with the guide member so as to position the guide member or the part of the image forming unit at a predetermined mounting position in the internal space.