Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Shutter mechanism
A shutter mechanism is provided in a supply port through which powder is supplied to a second device from a first device. The shutter mechanism includes a shutter that opens and closes the supply port in conjunction with attaching and detaching operation of the second device with respect to the first device and a guide groove that is provided in a recess manner so as not to be exposed from the supply port as viewed from the second device and guides the opening and closing operation of the shutter. A space is formed between the guide groove and an end portion of the supply port making contact with the shutter when the shutter closes the supply port.
Ricoh Company, Limited
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Yukinori Hideo
Sakuma Yoshizawa