GB2297857A - Reel for fruit machine - Google Patents

Reel for fruit machine Download PDF

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Publication number
GB2297857A
GB2297857A GB9502485A GB9502485A GB2297857A GB 2297857 A GB2297857 A GB 2297857A GB 9502485 A GB9502485 A GB 9502485A GB 9502485 A GB9502485 A GB 9502485A GB 2297857 A GB2297857 A GB 2297857A
Authority
GB
United Kingdom
Prior art keywords
reel
motor
structure
periphery
according
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
Application number
GB9502485A
Other versions
GB2297857B (en
GB9502485D0 (en
Inventor
Gareth Phillips
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Barcrest Ltd
Original Assignee
Barcrest Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Barcrest Ltd filed Critical Barcrest Ltd
Priority to GB9502485A priority Critical patent/GB2297857B/en
Publication of GB9502485D0 publication Critical patent/GB9502485D0/en
Publication of GB2297857A publication Critical patent/GB2297857A/en
Application granted granted Critical
Publication of GB2297857B publication Critical patent/GB2297857B/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports or amusements, e.g. casino games, online gambling or betting
    • G07F17/3202Hardware aspects of a gaming system, e.g. components, construction, architecture thereof
    • G07F17/3204Player-machine interfaces
    • G07F17/3211Display means
    • G07F17/3213Details of moving display elements, e.g. spinning reels, tumbling members

Abstract

A reel unit for a fruit machine has a rotatable structure (7) and an electric motor (13) drivably connected to the structure. The rotatable structure (7) has an internal toothed periphery (12) which is engaged by a pinion (16) on the motor (13). This toothed periphery (13) is disposed inwardly of the outer periphery (9) of the reel so as to give a gearing effect.

Description

REEL FOR ENTERTAINMENT MACHINE This invention relates to a reel for an entertainment machine.

With an entertainment machine, such as a fruit machine, of the kind with which a symbol is selected from a series of symbols and then displayed to the player, it is common practice to use a rotatable reel with the series of symbols marked around its periphery. The reel is rotated and then brought to rest with the selected symbol in precise registration with a win line. This rotation and then stopping of the reel is commonly achieved with a stepper motor which is drivably connected to the reel by direct engagement of a toothed periphery of the reel with a pinion or toothed wheel on the motor.

This known arrangement has considerable practical advantages. The stepper motor can be conveniently controlled by feed of pulses from a microprocessor control circuit, and the drive connection can be established in a simple, convenient and inexpensive manner, particularly using a plastics reel with integral moulded peripheral teeth.

However, the direct drive connection without intervening gearing can give rise to problems, since the motor is required to operate repeatedly to accelerate the reel from rest to its operational speed. Having regard to the inertia of the reel and the usual small size of the motor, it can occur that the reel fails to operate in correct synchronism with the feed pulses or fails to rotate at all.

It would be possible to overcome this problem by interposing a gearing arrangement between the motor and the reel but this is not a satisfactory solution in terms of cost and convenience of manufacture and installation.

An object of the present invention is to provide an improved drive mechanism for a reel of an entertainment machine which is of a simple convenient and inexpensive nature.

According to the invention therefore there is provided a reel for an entertainment machine comprising a rotatable structure and a motor drivably connected to the structure to effect rotation thereof, characterised in that the drivable connection is effected with an internal toothed periphery incorporated within the rotatable reel structure inwardly of the periphery thereof.

With this arrangement the motor drives the reel through a toothed periphery of smaller diameter to, and inwardly (towards the axis of rotation) of the reel whereby a gearing effect is achieved in a particularly simple and convenient manner.

Most preferably the reel structure is a plastics moulding and the inner toothed periphery is formed integrally as part of the moulding. Preferably also the motor is a stepper motor and is engaged with the inner toothed periphery through a pinion or toothed wheel on the motor shaft. Other kinds of motors may be used if required.

The reel and motor preferably form a unit suitable for detachable or removable mounting and insertion in an entertainment machine. The entertainment machine may be a fruit machine.

The invention will now be described further by way of example only and with reference to the accompanying drawings in which: Fig. 1 is a diagrammatic perspective view of a fruit machine incorporating reels in accordance with an embodiment of the invention; and Fig. 2 is a diagrammatic side view of one of the reels.

Referring to the drawings, a fruit machine comprises a cabinet 1 with upper and lower front screen-printed glasses 2, 3.

Behind the lower front glass there are three reels 4 mounted side-by-side so as to be rotatable about a common horizontal axis behind a window 5 in the glass. The window is marked with a central horizontal win line 6.

The reels 4are marked with symbols (e.g. 20) around their peripheries at regular intervals, such symbols being carried on a flexible band fastened around the periphery of an injection moulded plastics structure 7 as described hereinafter.

When the reels 4 are at rest, each reel displays one selected symbol on the win line 6 and two further symbols can be seen in the window 5 above and below the line 6. The reels 4 act to display a combination of three selected symbols on the win line 6.

As shown in Fig. 2, the above mentioned plastics structure 7 of the reel is generally in the form of a drum with a central shaft 8, or mounting for a shaft, an outer cylindrical rim 9 coaxial with the axis of rotation, and a radially extending apertured web 10 joining the rim 9 to the central mounting 8.

A second cylindrical coaxial rim 11 is defined around the central region of the web 10, having the effect of stepping this central region with the mounting 8, axially inwardly. This rim 11 has gear teeth 12 moulded around its periphery.

A stepping motor 13 is mounted on a board 14 which is rotatably mounted relative to the plastics structure 7 and supports electronic components connected to the motor 13 and to an electrical edge connector 15.

The motor 13 has a pinion or toothed wheel 16 on its shaft which is engaged with the moulded teeth 12 on the inner periphery of the reel structure 7.

The reel structure 7, motor 13 and board 14 constitute an independent unit which is removably mountable within the machine. When mounted in position the connector 15 on the board is connected to a microprocessor control circuit of the machine.

In use, during play of a game the microprocessor control circuit feeds a randomly (or pseudo randomly) pre-selected number of drive pulses to the stepper motor 13 for each reel 4 to cause this to rotate through a predetermined angular displacement to select a predetermined symbol which is displayed on the win line 5 when the pulse train ceases and the reel rotation is thereby arrested.

The drive connection between the motor 13 and the toothed inner periphery 12 gives rise to a gearing effect whereby it can be ensured that rotation of the reel is efficiently and reliably effected.

Since this gearing effect is achieved with direct interconnection between the reel structure 7 and the pinion or toothed wheel 16 on the motor shaft (i.e. without interposition of any other gearing or drive connection) the unit can be manufactured and installed in the machines in a particularly simple, convenient and inexpensive manner.

It is of course to be understood that the invention is not intended to be restricted to the details of the above embodiment which are described by way of example only. Thus, for example, the machine may have more than three reels behind the win line. Also the invention may be applied to selector reels used for other purposes in an entertainment machine. The invention is not restricted to stepper motors.

The gearing effect between the motor pinion 16 and the toothed periphery 12 may be 3:1, although other ratios may be used.

Claims (8)

1. A reel for an entertainment machine comprising a rotatable structure and a motor drivably connected to the structure to effect rotation thereof, characterised in that the drivable connection is effected with an internal toothed periphery incorporated within the rotatable reel structure inwardly of the periphery thereof.
2. A reel according to claim 1 wherein the reel structure is a plastics moulding and the inner toothed periphery is formed integrally as part of the moulding.
3. A reel according to claim 1 or 2 wherein the motor is a stepper motor.
4. A reel according to any one of claims 1 to 3 wherein the motor is engaged with the inner toothed periphery through a pinion or toothed wheel on the motor shaft.
5. A reel according to any one of claims 1 to 4 wherein the reel and motor form a unit.
6. An entertainment machine incorporating a reel according to any one of claims 1 to 5.
7. An entertainment machine according to claim 6 which is a fruit machine.
8. A reel according to claim 1 or an entertainment machine according to claim 6 substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.
GB9502485A 1995-02-09 1995-02-09 Reel for entertainment machine Expired - Fee Related GB2297857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9502485A GB2297857B (en) 1995-02-09 1995-02-09 Reel for entertainment machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9502485A GB2297857B (en) 1995-02-09 1995-02-09 Reel for entertainment machine

Publications (3)

Publication Number Publication Date
GB9502485D0 GB9502485D0 (en) 1995-03-29
GB2297857A true GB2297857A (en) 1996-08-14
GB2297857B GB2297857B (en) 1998-07-22

Family

ID=10769298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9502485A Expired - Fee Related GB2297857B (en) 1995-02-09 1995-02-09 Reel for entertainment machine

Country Status (1)

Country Link
GB (1) GB2297857B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6159097A (en) * 1999-06-30 2000-12-12 Wms Gaming Inc. Gaming machine with variable probability of obtaining bonus game payouts
US6159098A (en) * 1998-09-02 2000-12-12 Wms Gaming Inc. Dual-award bonus game for a gaming machine
US6190255B1 (en) 1998-03-24 2001-02-20 Wms Gaming Inc. Bonus game for a gaming machine
US6234897B1 (en) 1997-04-23 2001-05-22 Wms Gaming Inc. Gaming device with variable bonus payout feature
US6315660B1 (en) 1998-03-24 2001-11-13 Wms Gaming Inc. Gaming machines with board game theme
US6358147B1 (en) 1999-06-23 2002-03-19 Wms Gaming Inc. Gaming machine with multiple payoff modes and award presentation schemes
US6443837B1 (en) 1999-05-26 2002-09-03 Wms Gaming Inc. Bonus games for gaming machines with strategy options
US6800027B2 (en) 2000-03-31 2004-10-05 Wms Gaming Inc. System and method for saving status of paused game of chance
US8308545B2 (en) 2007-11-09 2012-11-13 Wms Gaming Inc. Wagering game with enhanced player-selection bonus feature

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8721422B2 (en) 2004-05-19 2014-05-13 Wms Gaming Inc. Wagering game with award enhancement feature

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003464A1 (en) * 1991-08-07 1993-02-18 Project Design Technology Limited Improved gaming machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003464A1 (en) * 1991-08-07 1993-02-18 Project Design Technology Limited Improved gaming machine

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6234897B1 (en) 1997-04-23 2001-05-22 Wms Gaming Inc. Gaming device with variable bonus payout feature
US6905412B2 (en) * 1998-03-24 2005-06-14 Wms Gaming Inc. Bonus game for a gaming machine
US6190255B1 (en) 1998-03-24 2001-02-20 Wms Gaming Inc. Bonus game for a gaming machine
US7901283B2 (en) 1998-03-24 2011-03-08 Wms Gaming Inc. Bonus game for a gaming machine
US6315660B1 (en) 1998-03-24 2001-11-13 Wms Gaming Inc. Gaming machines with board game theme
US6322309B1 (en) 1998-03-24 2001-11-27 Wms Gaming Inc. Bonus game for a gaming machine
US7520809B2 (en) 1998-03-24 2009-04-21 Wms Gaming Inc. Bonus game for a gaming machine
US7452271B2 (en) 1998-03-24 2008-11-18 Wms Gaming Inc. Gaming machines with board game theme
US6482089B2 (en) 1998-03-24 2002-11-19 Wms Gaming Inc. Gaming machines with board game theme
US6506117B2 (en) 1998-03-24 2003-01-14 Wms Gaming Inc. Gaming machines with board game theme
US6508707B2 (en) * 1998-03-24 2003-01-21 Wms Gaming Inc. Gaming machines with board game theme, apparatus and method
US6520855B2 (en) 1998-03-24 2003-02-18 Wms Gaming Inc. Gaming machines with board game theme
US6645074B2 (en) 1998-03-24 2003-11-11 Wms Gaming Inc. Bonus game for a gaming machine
US7195560B2 (en) 1998-03-24 2007-03-27 Wms Gaming Inc. Gaming machines with board game theme
US8480480B2 (en) 1998-03-24 2013-07-09 Wms Gaming Inc. Bonus game for a gaming machine
US6648757B1 (en) 1998-09-02 2003-11-18 Wms Gaming Inc. Dual-award bonus game for a gaming machine
US6159098A (en) * 1998-09-02 2000-12-12 Wms Gaming Inc. Dual-award bonus game for a gaming machine
US6443837B1 (en) 1999-05-26 2002-09-03 Wms Gaming Inc. Bonus games for gaming machines with strategy options
US6358147B1 (en) 1999-06-23 2002-03-19 Wms Gaming Inc. Gaming machine with multiple payoff modes and award presentation schemes
US6159097A (en) * 1999-06-30 2000-12-12 Wms Gaming Inc. Gaming machine with variable probability of obtaining bonus game payouts
US6800027B2 (en) 2000-03-31 2004-10-05 Wms Gaming Inc. System and method for saving status of paused game of chance
US8308545B2 (en) 2007-11-09 2012-11-13 Wms Gaming Inc. Wagering game with enhanced player-selection bonus feature

Also Published As

Publication number Publication date
GB9502485D0 (en) 1995-03-29
GB2297857B (en) 1998-07-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040209