Oscillating prefuser transport
AssigneeXerox Corporation
InventorJoseph N. May
Life of this patent
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Abstract
An apparatus which compensates for the velocity mismatch between a roll fuser and an image receiver. A vacuum belt transport disposed intermediate the fuser and the image receiver is adapted to have its downstream end pivoted for forming a controlled buckle in an image substrate such as plain paper.
Claims11
An apparatus that compensates for velocity mismatches in transporting image substrates along a predetermined path, including:
- an image receiver;
- a fuser for fixing powder images to said image substrates;
- a transport disposed intermediate said image receiver and said fuser for positively conveying image substrates from said image receiver to said fuser;
- means for operating said fuser at a slower speed than said image receiver whereby said image substrates tend to form a buckle adjacent said fuser;
- means for adjusting the operating position of one end of said substrate transport for effecting formation of a buckle in said image substrate until said image substrates separate from said image receiver.
An apparatus that compensates for velocity mismatches in transporting an image substrates or sheets along a predetermined path, including:
- a sheet transport adapted to advance the sheets along a first portion of a path of travel at a first velocity;
- a second sheet transport adapted to advance the sheets along a second portion of the path at a second velocity with the first velocity of said first sheet transport being greater than the second velocity of said second sheet transport;
- and
- means interposed between said first sheet transport and said second sheet transport, for positively moving said sheets from said first sheet transport to said second sheet transport;
- and
- means moving the end of said interposed means adjacent said second sheet transport for forming a buckle in said sheet thereby compensating for the difference in velocity between said transports.
An apparatus according to clam 10 wherein said interposed means includes vacuum means in communication with said belt to reliably secure a substrate thereto.
Dependencies are inferred from the claim text.