Paper sheet feeder

Details Paper sheet feeder Paper sheet feeder

2002-05-23

2004-06-29

Walsh, Donald P. (Department: 3653)

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

C271S177000, C271S180000, C271S181000, C271S265010, C271S265020

Reexamination Certificate

active

06755414

ABSTRACT:

TECHNICAL FIELD
This invention relates to a paper sheet feeder for conveying paper money and other papers, provided inside a vending machine, money changing machine or game machine.
BACKGROUND ART
In general, a paper money feeder is loaded inside the main bodies of such equipment as vending machines, money changing machines and game machines and the like. The paper money feeder guides paper money inserted through a paper money insertion slot along a paper money feeding route, judge whether the paper money is genuine or counterfeit while guiding that paper money, and guide paper money identified as genuine to a stacker downstream from the paper money feeder.
FIG. 8
is a schematic cross-sectional view of the main parts of a conventional paper money feeder.
This conventional paper money feeder
31
is configured such that it comprises paper money feeding means
4
comprising a motor (not shown) for conveying paper money A inserted through a paper money insertion slot
2
a
along a roughly inverted U-shaped paper money feeding route
2
, a paper money detection sensor
15
placed in the paper money feeding route
2
, and control means (not shown) for stopping the drive of the motor after the paper money A has passed the paper money detection sensor
15
and positioning that paper money A in a prescribed position downstream from the paper money detection sensor
15
.
Of these components, the paper money feeding means
4
are configured by an endless paper money conveyance belt
5
provided under tension along the paper money feeding route
2
, paper money conveyance belt drive means
10
comprising pulleys
6
,
7
,
8
, and
9
that turn and drive that paper money conveyance belt
5
, a motor (not shown) for imparting drive force to the paper money conveyance belt drive means
10
, and an encoder (not shown) for detecting the drive pulse number for that motor.
Reference numeral
13
is a roller that turns in the opposite direction as the paper money conveyance belt
5
, being a reinforcing roller that reinforces the paper money conveying force provided by the paper money conveyance belt
5
.
The paper money detection sensor
15
comprises a lever
16
that projects toward the paper money feeding route
2
, the back end of which lever
16
is supported by a shaft
17
so that it can freely turn.
At this paper money detection sensor
15
, when the leading end of the paper money A passes the lever
16
, that leading end of that paper money A presses against the fore end of the lever
16
, and causes that fore end of that lever to turn counterclockwise about the shaft
17
, wherefore that turning is detected and an ON signal is sent to the control means. When the trailing end of the paper money A passes the lever
16
, the fore end of the lever
16
turns clockwise about the shaft
17
and returns to its initial position, wherefore that turning is detected and an OFF signal is sent to the control means.
Meanwhile, a paper money identification sensor
18
that is a paper money detection sensor separate from the paper money detection sensor
15
is provided in the paper money feeding route
2
at the position where the paper money conveyance belt
5
is provided, upstream from the paper money detection sensor
15
. This paper money identification sensor
18
is configured by photosensors comprising a light emitting element and a light receiving element.
In the paper money feeding route
2
positioned downstream from the paper money detection sensor
15
, furthermore, a stacker
19
is provided for accommodating internally therein the paper money A that is genuine. Between that stacker
19
and the paper money detection sensor
15
, a paper return prevention lever
20
is interposed which prevents paper money A accommodated inside the stacker
19
from being taken back into the paper money feeding route
2
.
The back end of that paper money return prevention lever
20
is supported so that it can freely turn by a shaft
21
provided in the paper money feeder
31
, while the fore end of the paper money return prevention lever
20
is oriented toward the paper money feeding route
2
that is at the upper end of the stacker
19
.
In the paper money feeding route
2
positioned downstream from the paper money return prevention lever
20
are provided paper money moving means
22
comprising a pressing part
22
a.
As illustrated in
FIG. 8
, furthermore, an entry slot sensor
3
is provided in the vicinity of the paper money insertion slot
2
a
that is upstream from the paper money feeding route
2
.
To the control means (not shown), meanwhile, are input paper money A insertion information from the entry slot sensor
3
, and paper money A travel position information and paper money A genuine/counterfeit identification information from the paper money identification sensor
18
. To these control means, furthermore, are input paper money A travel position information from the paper money detection sensor
15
also, and information relating to the drive pulse number to the motor of the paper money feeding means
4
from the encoder (not shown) of the paper money feeding means
4
. Vending machine transaction processing information is also input to the control means.
These control means judge whether the paper money is genuine or counterfeit, based on the input paper money A genuine/counterfeit identification information, and also control the drive of the motor of the paper money feeding means
4
and the drive of the paper money moving means
22
based on the results of that judgment and on various other information.
Next, the operation of this conventional paper money feeder
31
is described with the flowchart given in FIG.
9
.
In the standby condition, the control means (not shown) in this conventional paper money feeder
31
will be judging whether or not the entry slot sensor
3
has turned ON (step
201
), and, when it is judged that the entry slot sensor
3
has turned ON, those control means judge that paper money A has been inserted from the paper money insert slot
2
a
and that the leading end of that paper money A has passed the entry slot sensor
3
, and drive the motor of the paper money feeding means
4
so that it turns forward (step
202
). Thereupon, the pulleys
6
,
7
,
8
, and
9
of the paper money conveyance belt drive means
10
will turn in the clockwise direction and the paper money conveyance belt
5
will also turn in the clockwise direction, wherefore the paper money A will be conveyed upward along the paper money feeding route
2
by the drive force of the paper money conveyance belt
5
. When the leading end of that paper money A passes the pulley
6
, that paper money A will be conveyed downward along the paper money feeding route
2
.
The control means, meanwhile, after driving the motor of the paper money feeding means
4
in step
202
, begin determining whether or not the paper money identification sensor
18
has turned ON (step
203
) and, when those means judge that that paper money identification sensor has turned ON, thereupon judge that the leading end of the paper money A has reached the paper money identification sensor
18
, perform processing to read in identification information for that paper money A by the paper money identification sensor
18
(step
204
), and judge whether the paper money A is genuine or counterfeit.
Then, when the control means have judged that the paper money A is genuine, that paper money A is conveyed further downstream in the paper money feeding route
2
, maintaining the forward drive on the motor of the paper money feeding means
4
, and a judgment is made as to whether or not the paper money identification sensor
18
has turned OFF (step
205
).
When the control means judge in this step
205
that the paper money identification sensor
18
has turned OFF, those control means judge that the trailing end of the paper money A has passed the paper money identification sensor
18
, stop the motor of the paper money feeding means
4
(step
206
), thereby temporarily hold the paper money A in the paper money feeding ro

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