发明授权
US5697032A Transfer drum having a pushing member for increasing the contact width of the transfer region 失效
具有用于增加转印区域的接触宽度的推动构件的转印鼓

Transfer drum having a pushing member for increasing the contact width
of the transfer region
摘要:
An image forming apparatus includes an image bearing member for bearing an image, a movable recording material carrying member for carrying a recording material on a first side thereof, the recording material carrying member cooperating with the image bearing member to form a nip therebetween, a transfer charging member, to which a voltage is applicable, the transfer charging member being contactable to a second side of the recording material carrying member to transfer in the nip an image from the image bearing member onto a recording material carried on the recording material carrying member, a pushing member for pushing the second surface of the recording material carrying member at a first position of the recording material carrying member to increase a width, measured along a movement direction of the recording material carrying member, of the nip, wherein the first position is remote from a second position where the transfer charging member is contactable to the recording material carrying member.
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