Patent US2708675A successfully refreshed from Google Patents.
Patent US3910582A successfully refreshed from Google Patents.
US3910582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable plug-in reel module for game machines
Assignee: New Century Novelty Co Pty Ltd
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Filing: 1973-08-02
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Granted: 1975-10-07
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Expires: 1993-08-02
Abstract
Abstract An individual rotatable reel or drum module for detachable plugin connection to a slot machine having provision for a plurality of such modules in side-by-side relationship. The module includes a mounting frame, its own electric motor driving a rotatable drum, electrical sensing means having two stationary wipers on the frame and a contact-carrying disc rotated with the drum, electrical resistors carried by the disc for selection by the wipers to identify by resistance value rest positions of the drum, and one half of a plug-in connector on the frame wired to the motor and the wipers to provide for automatic electrical connection between the module and the gaming machine.
Inventors
- 👤 Basil James Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:20
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/32; G07F17/34
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
139 words
A detachable symbol-display drum assembly module comprising a detachable mounting frame, a plug-in electrical connector including one part fixed on the frame, a display drum rotatably supported on said frame and displaying a plurality of different symbols, an individual electric driving motor for the display drum also supported on said frame, an electrically insulating disc fixed to said display drum, two concentric circles of contact faces carried by said disc, different valued electrical resistors connected between said two circles of contact faces, each value corresponding to its associated symbol, a pair of electrical contactors supported on said mounting frame for engagement with respective ones of said circles of contact faces when the rotatable display drum is indexed, and electrical leads connecting said electric motor and said pair of contactors to respective connections on said one part of said connector.
Claim 2
Dependent Claim
139 words
A detachable symbol-display drum assembly module comprising a detachable mounting frame, a plug-in electrical connector including one part fixed on the frame, a display drum rotatably supported on said frame and displaying a plurality of different symbols, an individual electric driving motor for the display drum also supported on said frame, an electrically insulating disc fixed to said display drum, two concentric circles of contact faces carried by said disc, different valued electrical resistors connected between said two circles of contact faces, each value corresponding to its associated symbol, a pair of electrical contactors supported on said mounting frame for engagement with respective ones of said circles of contact faces when the rotatable display drum is indexed, and electrical leads connecting said electric motor and said pair of contactors to respective connections on said one part of said connector.
Claim 3
Dependent Claim
69 words
A symbol-display drum assembly as claimed in claim 1, wherein said mounting frame is an upright metal plate with forward and rear edges, said display drum being mounted on said plate in a plane parallel thereto to display said symbols on its periphery adjacent said forward edge of said plate, and said one part of the plug-in electrical connector being mounted on said plate adjacent said rear edge thereof.
Claim 4
Dependent Claim
46 words
A symbol-display drum assembly as claimed in claim 1 comprising a solenoid-controlled braking device for indexing said rotatable display drum fixed on said mounting plate and two electrical leads connecting the solenoid of said braking device to respective connections on said one part of said connector.
Claim 5
Dependent Claim
41 words
A symbol-display drum assembly as claimed in claim 3, wherein the periphery of said insulating disc is notched, and said braking device carries an abutment engageable with the notches in said disc to halt rotation and index said rotatable display drum.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |