GB317295A - Driving device for phonographs - Google Patents
Driving device for phonographsInfo
- Publication number
- GB317295A GB317295A GB24556/29A GB2455629A GB317295A GB 317295 A GB317295 A GB 317295A GB 24556/29 A GB24556/29 A GB 24556/29A GB 2455629 A GB2455629 A GB 2455629A GB 317295 A GB317295 A GB 317295A
- Authority
- GB
- United Kingdom
- Prior art keywords
- driving
- electric motor
- motor
- phonographs
- spring motor
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/40—Driving record carriers otherwise than by electric motor
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
317,295. Rebikoff, W. Aug. 11, 1928. [Convention date]. Motors, gearing for.-In an arrangement for driving a gramophone, such as described in Specification 296,975, [Class 40 (ii), Phonographs &c.], wherein a turntable spindle is driven through epicyclic gear from a spring motor and an electric motor alternatively, the spring motor being held inoperative when the electric motor is driving, the provision for holding the spring motor inoperative is dispensed with and the electric motor when driving serves to wind up the spring motor and maintain it in this state. The arangement is stated to facilitate uniform driving of the turntable spindle. As in Specification 296,975, [Class 40 (ii), Phonographs &c.], the turntable spindle P regulated by a governor R is geared with the casing M, N of an epicyclic gear comprising a pair of double wheels K, L mounted in the casing, the wheels K being connected through gears E, C, C<1>, B with the spring motor A, and the wheels L with a gear F on a sleeve H which is mounted on the shaft D of the gears E, C and driven by non-reversible worm gear G, L from an electric motor W. No provision is, however, made in the present arrangement for holding the shaft when the electric motor is driving, and this is wound up and maintained in this state throughout, tending to compensate for iregularities in the electric drive.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE317295X | 1928-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB317295A true GB317295A (en) | 1930-11-12 |
Family
ID=6150736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24556/29A Expired GB317295A (en) | 1928-08-11 | 1929-08-12 | Driving device for phonographs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB317295A (en) |
-
1929
- 1929-08-12 GB GB24556/29A patent/GB317295A/en not_active Expired
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