Paper slip transport and stack unit

Sheet feeding or delivering – Feeding and delivering – Separator and conveyor

Patent

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Details

271 6, 271 7, B65H 522

Patent

active

054762537

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

This invention relates to a paper slip transport and stack unit which separates received slips of paper into individual slip for transporting and stacks up the slips of paper in a stack section in order while counting them by count means.


TECHNICAL BACKGROUND

A conventional paper slip transport and stack unit is provided with separation means always operating in one direction, transport means intermittently operating in one direction, and paper slip lift means in a stack section intermittently operating exclusively against the transport means, each of which is appropriately provided with a separate drive source.
Such a paper slip transport and stack unit often adopts a vertical structure to reduce the installation floor area of the unit; the stack section is disposed at the top and means such as the transport means to the stack section are located in the vertical direction.
Such a vertical transport section sends a slip of paper placed between a conveyor belt and a plurality of rollers in rolling contact with the conveyor belt; hitherto, such a vertical transport section has been built in the frame of the unit.
Further, a paper slip inlet in the stack section is formed with an eject roller 1 at the termination of the transport means for transferring slips of paper to the paper slip lift means while the eject roller 1 comes into rolling contact with the conveyor belt. The eject roller 1 has a structure where a cylinder 2 is formed with a large number of pins 3 in a radial manner, as shown in FIG. 9.
However, it is wasteful to provide a separate drive source for each of the separation means, the transport means, the paper slip lift means in the stack section, etc., at the paper slip transport and stack unit; it not only increases costs, but also hinders miniaturization of the unit.
At such a unit, a slip of paper being transported may cause a so-called jam to occur and become unable to be transported. Particularly, a jam is prone to occur in the vertical transport section, which transports slips of paper which are likely to fall downward while being placed between the conveyor belt and rollers. At the conventional unit, the transport section is also built into the frame of the unit. Thus, each time a jam occurs, the outer cover must be opened to take out the jammed slip of paper and moreover it is very cumbersome to take out the slip of paper placed between the belt and rollers, etc.
Further, the conventional eject roller 1 as shown in FIG. 9, which provides the pins 3 each having a small area in contact with a slip of paper, is weak in terms of a discharge force onto the paper slip lift means and a drawing force when a slip of paper is again drawn close to the upper edge part of the eject roller after it is once discharged at the lower edge part, and is not formed with an elastic member; resultantly, a stack of the preceding and following slips of paper may be placed in a disorderly manner.


DISCLOSURE OF INVENTION

It is a first object of the invention to provide a paper slip transport and stack unit which comprises a single common drive source and is inexpensive and small-sized.
It is a second object of the invention to provide a paper slip transport and stack unit in which it is easy to handle a jammed paper slip.
It is a third object of the invention to provide a paper slip transport and stack unit to prevent a stack of slips of paper from being placed out of order in a stack section.
To accomplish the first object, according to a first form of the invention, there is provided a paper slip transport and stack unit including a stack section having a casing to store slips of paper for transporting slips of paper to the stack section and storing them in the stack section in a state in which slips of paper are stacked up; the unit comprising: slips of paper and pushing up a given number of the stacked slips of paper to the inside of the casing from a downward position for storing the slips of paper in the stack section; separation means, the transport means, and the paper slip lift mean

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