US3652972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turntable device
Assignee: Individual
•
Filing: 1971-01-25
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Granted: 1972-03-28
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Expires: 1991-01-25
Abstract
Abstract A turntable device for supporting a plurality of household appliances and including electrical plug receptacles maintained in a continuous state of energization during rotational movement of the device.
Inventors
- 👤 James W Kreider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:28
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/64
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
180 words
A turntable device comprising: a. a rotatable platform defining a plurality of receptacles, the spacing between the outer periphery of said platform and said receptacles being substantially greater than the spacing between said receptacles and the rotational axis of said platform, and the overall dimensions of said platform being suitable for mounting thereof on a counter of a type conventionally used in household kitchens; b. a pair of electrical receptor contacts disposed in each of said receptacles, said receptor contacts being shaped and adapted to receive multi-pronged electrical plugs of the type used with conventional household appliances; c. a movable electrical slip contact means mounted for rotation with said platform and connected to said electrical receptor contacts; d. a fixed electrical slip contact means mounted for sliding engagement with said movable contact means during rotation of said platform, said fixed electrical slip contact means being in continuous electrical connection with each of said electrical receptor contacts during rotation of said platform; and e. electrical connector means for connecting said fixed electrical slip contact means to a source of electrical energy.
Claim 2
Dependent Claim
180 words
A turntable device comprising: a. a rotatable platform defining a plurality of receptacles, the spacing between the outer periphery of said platform and said receptacles being substantially greater than the spacing between said receptacles and the rotational axis of said platform, and the overall dimensions of said platform being suitable for mounting thereof on a counter of a type conventionally used in household kitchens; b. a pair of electrical receptor contacts disposed in each of said receptacles, said receptor contacts being shaped and adapted to receive multi-pronged electrical plugs of the type used with conventional household appliances; c. a movable electrical slip contact means mounted for rotation with said platform and connected to said electrical receptor contacts; d. a fixed electrical slip contact means mounted for sliding engagement with said movable contact means during rotation of said platform, said fixed electrical slip contact means being in continuous electrical connection with each of said electrical receptor contacts during rotation of said platform; and e. electrical connector means for connecting said fixed electrical slip contact means to a source of electrical energy.
Claim 3
Dependent Claim
25 words
A turntable device according to claim 1 wherein said receptacles are disposed in the top surface of said platform directly adjacent the rotational axis thereof.
Claim 4
Dependent Claim
34 words
A turntable device according to claim 2 including a base, and roller bearing means straddled by said base and said platform and radially disposed between said receptacles and the outer periphery of said platform.
Claim 5
Dependent Claim
32 words
A turntable device according to claim 3 wherein said platform comprises a table top that defines said receptacles and an insulator disc mounted below said table top and supporting said receptor contacts.
Claim 6
Dependent Claim
84 words
A turntable device according to claim 4 wherein said fixed slip contact means comprise a pair of spaced apart concentric slip rings mounted on said base, and said movable slip contact means comprise spring contacts supported by said insulator disc and adapted for sliding contact with said slip rings. 6. A turntable device according to claim 1 including a base, and rotatable bearing means straddled by said base and said platform and radially disposed between said receptacles and the outer periphery of said platform.
Claim 7
Dependent Claim
32 words
A turntable device according to claim 6 wherein said platform comprises a table top that defines said receptacles and an insulator disc mounted below said table top and supporting said receptor contacts.
Claim 8
Dependent Claim
49 words
A turntable device according to claim 7 wherein said fixed slip contact means comprise a pair of spaced apart concentric slip rings mounted on said base, and said movable slip contact means comprise spring contacts supported by said insulator disc and adapted for sliding contact with said slip rings.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |