Photocopying – Contact printing – Light boxes
Patent
1995-04-19
1996-09-03
Ramirez, Nestor R.
Photocopying
Contact printing
Light boxes
355327, G03G 1501
Patent
active
055528775
ABSTRACT:
An image forming apparatus having a rotary developing device or revolver in which a plurality of developing sections are defined. The revolver is rotated over a target position by a first drive source, then returned by a second drive source producing a moment acting in the opposite direction, such as due to the drive of one of the developing sections, and then positively stopped by a positioning mechanism. The revolver is, therefore, accurately positioned at the target position without regard to, for example, irregularities in a motor for driving the revolver.
REFERENCES:
patent: 4593991 (1986-06-01), Aoki et al.
patent: 5168319 (1992-12-01), Kimura et al.
Ishikawa Tomoji
Kosuge Katsuhiro
Sugihara Kazuyuki
Ramirez Nestor R.
Ricoh & Company, Ltd.
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