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| Wrapper assembly including an article carrier element |
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| Tube coupling for vacuum cleaners |
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| Pipe joint with remotely operable latch |
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Sheet take-out apparatus
| Details |
Inventors: Nagamoto, Masayuki; Iki, Shigeo;
Assignee: Laurel Bank Machines Co., Ltd. (Tokyo, JP)
Primary Examiner: Schacher; Richard A.
Assistant Examiner:
Attorney, Agent or Firm: Fleit, Jacobson, Cohn, Price, Holman & Stern
A sheet take-out apparatus which takes out sheets from a sheet stacker by frictional force produced by friction between sheets and a plurality of take-out rollers and separates sheets one by one by frictional force which is produced by friction between the upper face of the sheet and a plurality of friction rollers disposed to be opposite to the take-out rollers and has the opposite direction to that of the first mentioned friction force and the first mentioned friction force, the sheet take-out apparatus including a controller for rotating the take-out rollers with low torque until the rotation of the take-out rollers has become steady. In this apparatus, since the sheets are prevented from being taken out and fed to the gap between the take-out rollers, it is prevented that the leading edges of sheets are damaged or that sheet jamming occurs, whereby it is possible to take out sheets one by one and feed them to a sheet stacking section. |
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DETAILED DESCRIPTION It is, therefore, an object of the present invention to provide a sheet take-out apparatus which can reliably take out sheets one by one.
According to the present invention, the above and other objects can be accomplished by a sheet take-out apparatus comprising sheet storing means for storing a plurality of stacked sheets, take-out roller means disposed at one end of the sheet storing means and at a portion where it can abut against an end portion of a lower face of a lowermost sheet of the sheets stacked in the sheet storing means, having a friction portion on at least a part of an outer periphery thereof and adapted for taking out sheets from said sheet storing means by applying frictional force produced by friction between itself and the lower face of the lowermost sheet in accordance with the rotation thereof to the lower face of the lowermost sheet, friction separating means disposed at a portion opposite to said take-out roller means and adapted for separating sheets one by one by applying frictional force, the direction of which is opposite to that of the frictional force applied from the takeout roller means to the lowermost sheet, produced by friction between itself and an upper face of the sheet taken out from the sheet storing means to the upper face of the sheet, take-out roller shafts for supporting said take-out roller means, a pulley rotatably supported by said take-out roller shaft, electromagnetic clutch means adapted to connect said pulley and said take-out roller shaft so that said pulley can rotate together with said take-out roller shaft, a motor adapted to rotate said pulley, start means operated by an operator for starting the rotation of said motor and control means adapted for actuating said electromagnetic clutch means so as to connect said pulley and said take-out roller shaft after the rotation speed of the motor has become constant, said sheet take-out apparatus being constituted so that until the rotation speed of said motor has become constant after said start means was operated and the rotation of said motor started , said control means controls the rotation of said take-out roller shaft so as to rotate said take-out roller shaft with low torque which produces frictional force applied to the lower face of the lowermost sheet lower than that capable of separating sheets one by one in cooperation with that applied from said friction separating means to the upper face of the sheets
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