EP1680770A1 - Hopper coin and disc feeders - Google Patents
Hopper coin and disc feedersInfo
- Publication number
- EP1680770A1 EP1680770A1 EP04768733A EP04768733A EP1680770A1 EP 1680770 A1 EP1680770 A1 EP 1680770A1 EP 04768733 A EP04768733 A EP 04768733A EP 04768733 A EP04768733 A EP 04768733A EP 1680770 A1 EP1680770 A1 EP 1680770A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- disc
- vacuum
- margin
- holes
- manifold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 25
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D9/00—Counting coins; Handling of coins not provided for in the other groups of this subclass
- G07D9/008—Feeding coins from bulk
Definitions
- This invention relates to hopper coin and disc feeders of the inclined disc type, that is, of the type in which a coin feeding disc is inclined at an acute angle to the horizontal in use, and a hopper wall extending adjacent to at least the lower portion of the disc which in use defines with the disc a holding space for holding a plurality of coins prior to feeding of the coins by the disc to one or more coin outlets.
- 'coin' will be used hereinafter to include a disc, a component of a composite coin, such as a ring or blank, or a bogus coin such as a washer or counterfeit coin.
- Hopper feeders of the inclined disc type have been known for very many years. They are used for feeding coins in single file from a batch of coins, to enable the coins to be counted and/or sorted and/or dispensed.
- the coin feeding disc has often been provided with a series of recesses or spaced fingers to define pockets around the periphery of the disc in order to pick out coins one by one in the pockets from a batch of coins lying against the disc.
- the resulting agitation of the batch of coins lying in the holding space causes coins to fall into the pockets of the rotating disc.
- the pressure pad has been pivotally mounted and resiliently biased towards the disc or biased by gravity.
- a hopper feeder of the inclined disc type comprises vacuum suction means which is so arranged as to hold coins against the margin of the disc over an arcuate portion of the rotational path of the disc.
- the arcuate portion is preferably that portion of the path of the disc that precedes a coin take-off region, which is preferably towards the top of the disc path.
- the disc margin is preferably provided with a plurality of circumferentially-spaced holes which open to the front face of the disc.
- the holes may be arranged in various ways. For example, there may be a single row of holes at a particular radius of the disc, there may be a plurality of rows of holes at different radii, or there may be a distribution of holes within an annular band of the disc face.
- the holes preferably extend through the thickness of the disc from the rear face thereof, and a stationary vacuum manifold is positioned behind the disc, the vacuum manifold being provided with a vacuum outlet that extends over an arcuate portion of the circumferential path of the disc margin, and communicates directly with those holes that are in register with the vacuum outlet.
- the vacuum manifold is of part-annular shape as viewed in the direction normal to the disc, and the opposite margins of the vacuum manifold outlet are sealed to the rear face of the disc by suitable sealing means in the form of one or more elongate sealing strips that are biased against the disc.
- the biasing means for each sealing strip preferably comprises a respective elongate energising means.
- the outer wall of the manifold that wall which is adjacent to the disc, comprises a substantially sector-shaped plate provided with an arcuate through-slot to provide said manifold outlet and, on the side of the plate that faces the rotating disc, the slot is bordered by said sealing strips which are located in part-annular grooves in the plate, that extend parallel to the annular slot.
- a manifold chamber is preferably then defined against the rearwardly- facing side of said plate, preferably by a manifold closure plate, and by a manifold peripheral wall that extends around the periphery of the plate.
- the manifold outlet extends through substantially a semi-circle, and the manifold plate is substantially semi-circular but with a cut-out provided for the disc drive shaft.
- a much-preferred embodiment avoids some of the complexities of the afore-mentioned constructions that employ individual sealing strips along opposite margins of the manifold outlet, and in accordance with that embodiment, the manifold outlet is sealed by a closed-loop sealing strip which in said arcuate region extends circumferentially of the disc and radially outward of the holes in the disc face but is positioned radially inwards of said holes in the region of the margin that is not subject to vacuum.
- This enables the use of a single strip only, which may be arranged to extend for substantially 360° about the disc axis.
- Figure I is a side elevation of a feeder in accordance with the invention, with the outer margin of a part of the disc edge shown in section on the arcuate section line 1-1 of Figure 2, to show the series of holes extending through the disc,
- Figure 2 is a view in the direction of the arrow A in Figure 1 and showing a part of the margin of the disc and an example of a hole layout
- Figure 3 is an enlarged radial cross-sectional view taken on the line 3-3 of Figure 2 to show a preferred sealing arrangement for use with a manifold outlet of arcuate shape
- Figure 4 is an exploded perspective view of the disc and manifold assembly looking from the front side of the components
- Figure 5 is an exploded view similar to Figure 4 but looking from the rear side of the components
- Figure 6 is a partial enlarged plan view of the assembled manifold assembly of Figure 4 showing the use of a seal stop block to terminate the ends of the sealing strips,
- Figure 7 is a partial perspective enlarged view of the assembled manifold assembly of Figure 4, shown sectioned on the plane 7-7 of Figure 6,
- Figure 8 is a view similar to Figure 7 but showing a modified arrangement for terminating the ends of the sealing strips
- Figure 9 is a schematic view, looking normally of the disc, of a modified manifold sealing structure in which a single sealing strip extends around the disc axis,
- Figure 10 is an enlarged partial section on the line 10-10 of Figure 9 and showing the sealing strip positioned radially outwardly of the path of the disc holes
- Figure 11 is a view similar to Figure 10 but taken on the line 11-11 of Figure 9 where the sealing strip is positioned radially inwardly of the path of the disc holes.
- a coin feeding disc 1 is mounted for rotation in well-known manner about the axis thereof with respect to a chassis in the form of a stationary base 2, and a hopper wall, indicated at 3, defines with the front, upwardly-facing face 4 of the disc a hopper 5 into which coins to be fed by the disc are directed by a coin supply, not shown.
- the base 2 stands in use on a horizontal surface, the disc 1 then being inclined at an acute angle to the horizontal.
- a vacuum suction means for holding coins against the periphery of the disc is constituted by a vacuum manifold assembly 6, a vacuum source 7 and by a plurality of radially-spaced through-holes 8 in the disc, the holes 8 being spaced radially inwards from the radially outer edge 9 of the disc 1.
- the manifold assembly is of generally sector shape as viewed in the axial direction of the disc, and comprises a substantially half-circular manifold front plate 10 which is provided adjacent to the radially outer margin thereof with a semi-circular through- slot 11 , which is set at the same radius as the disc holes 8, so that the holes 8 are in register with the slot 11, as shown in Figure 3, for approximately 180° of the rotational path of the disc.
- the slot 11 is interrupted by four bridges 11 ' for strength.
- the manifold further comprises a peripheral manifold wall 12 which extends around the entire periphery of the manifold front plate 10, and around a cut-out 13 which accommodates the disc drive shaft 14, the wall 12 projecting rearwardly from plate 10 for engagement with a rear manifold closure plate 15.
- sealing strips 16, 17 are located in semi-circular slots 18, 19 respectively provided in the outer face of the front plate 10, and the sealing strips 16, 17 are energised by respective resilient strips 20, 21.
- Figures 6 and 7 show one arrangement for terminating the sealing strips 16, 17 by the use of a seal stop block 22 which is of generally T-section, both in a radial plane of the manifold assembly 6, and as viewed normal to the manifold assembly 6.
- the stop block 22 is spring biased towards the disc by suitable resilient means 23, in order to close off the gap which would otherwise be present at the free ends of strips 16, 17.
- Figures 9 to 11 parts corresponding to those of the embodiment of Figures 1 to 3 have been given corresponding reference numerals.
- a single closed-loop sealing strip 30 is employed, the sealing strip being located in a slot defined in a manifold back plate 10 which in this case can be in the form of a circular plate of similar radial dimensions to the disc, or the back plate can be an integral part of the machine chassis.
- the circular layout of the disc holes is indicated by a broken line 8.
- the central regions of the plate 10 which is of shell shape, have been machined away to define an extensive vacuum chamber 40, surrounded by a land 50.
- the seal 30 follows an angled path 31, 32 to make the transition between the two arcuate sections A to B and B to A of the seal path.
- the ends of the seal preferably substantially abut one another somewhere in the arc B to A, in the direction of rotation of the disc.
- the resilient biasing of the seal 30 in Figure 9 can be as discussed in relation to the other embodiments. That is, it can comprise a co-extending closed-loop energising strip.
- the belt 33 removes coins in known manner from the margin of the disc at B.
- Position A is desirably at approximately the 5 o'clock position of the disc rotation in order that the disc holes are subjected to vacuum before the 6 o'clock position. This has the advantage that the coins in this region are likely to be falling and do not therefore need to be accelerated so much on being gripped by the disc. This is also found to assist in picking up the last coin of a batch of coins that has been fed into the hopper.
- An advantage of the invention is that the vacuum retention of the coins on the margin of the disc enables the use of a smooth metal disc face, rather than a disc face provided around the margin with a relatively high friction material such as polyurethane.
- a polyurethane layer tends to get damaged by coins as they are dragged from the disc by the conveying belt, partly due to the fact that the belt is generally run at a higher speed than the periphery of the disc.
- a smooth metal disc face should not suffer damage in the same way.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pinball Game Machines (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Slot Machines And Peripheral Devices (AREA)
- Feeding Of Articles To Conveyors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0323033.1A GB0323033D0 (en) | 2003-10-02 | 2003-10-02 | Hopper coin and disc feeders |
GBGB0405562.0A GB0405562D0 (en) | 2003-10-02 | 2004-03-12 | Hopper coin and disc feeders |
PCT/GB2004/004193 WO2005034050A1 (en) | 2003-10-02 | 2004-10-01 | Hopper coin and disc feeders |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1680770A1 true EP1680770A1 (en) | 2006-07-19 |
EP1680770B1 EP1680770B1 (en) | 2008-01-23 |
Family
ID=34424888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04768733A Active EP1680770B1 (en) | 2003-10-02 | 2004-10-01 | Hopper coin and disc feeders |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1680770B1 (en) |
AT (1) | ATE385009T1 (en) |
DE (1) | DE602004011551T2 (en) |
WO (1) | WO2005034050A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101273388B (en) | 2005-09-30 | 2010-10-20 | 光荣株式会社 | Coin feeding device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9217450D0 (en) * | 1992-08-17 | 1992-09-30 | Case Icc Limited | Coin transporting apparatus and coin validation apparatus employing same |
GB2298305B (en) * | 1995-02-24 | 1998-04-29 | De La Rue Syst | Article feed device |
GB9515567D0 (en) * | 1995-07-28 | 1995-09-27 | Coin Control Limited | Coin control mechanism |
GB9523405D0 (en) * | 1995-11-16 | 1996-01-17 | Coin Controls | Coin dispensing mechanism |
AUPQ683300A0 (en) * | 2000-04-11 | 2000-05-11 | Queensland Motorways Limited | Improvements in coin receivers |
US6350193B1 (en) * | 2000-07-17 | 2002-02-26 | International Game Technology | Coin hopper coin feeder mechanism |
-
2004
- 2004-10-01 WO PCT/GB2004/004193 patent/WO2005034050A1/en active IP Right Grant
- 2004-10-01 EP EP04768733A patent/EP1680770B1/en active Active
- 2004-10-01 DE DE602004011551T patent/DE602004011551T2/en active Active
- 2004-10-01 AT AT04768733T patent/ATE385009T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2005034050A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1680770B1 (en) | 2008-01-23 |
DE602004011551D1 (en) | 2008-03-13 |
ATE385009T1 (en) | 2008-02-15 |
WO2005034050A1 (en) | 2005-04-14 |
DE602004011551T2 (en) | 2008-07-03 |
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