GB268257A - Improvements in sound-boxes for gramophones and the like - Google Patents
Improvements in sound-boxes for gramophones and the likeInfo
- Publication number
- GB268257A GB268257A GB30918/26A GB3091826A GB268257A GB 268257 A GB268257 A GB 268257A GB 30918/26 A GB30918/26 A GB 30918/26A GB 3091826 A GB3091826 A GB 3091826A GB 268257 A GB268257 A GB 268257A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sound
- gasket
- box
- stylus
- secured
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
268,257. Columbia Graphophone Co., Ltd., (Assignees of Hinckley, F. C.). June 12, 1926, [Convention date]. Sound-box casings. - Relates to soundboxes for gramophones or the like, of the kind adapted to be resiliently mounted upon the tone-arm, and consists in a mounting comprising a pair of shallow cuplike members 18. 28 one of which carries a connecting nipple 27, a soft rubber &c. gasket 21 being arranged between and secured to the cup-like members. Screws 22, surrounded by bushings 25, extend through the gasket into the backplate 7 of the sound-box, and serve to hold the gasket and the member 18 in place. The member 18 may, however, be otherwise secured to the back. Oppositely-disposed screws 30, also surrounded by bushings, secure the member 28 to the gasket 21 together. The sound-box casing proper comprises a ring 5 fitting into an annular recess 8 in the back plate 7, and having an inwardlyextending flange 6 against which the gaskets 10 for the diaphragms are disposed. An apertured cover 12, through which the stylus-bar 13 passes, is provided. The sound-box carries stops to limit the movement of the stylus-bar, and so prevent damage due to excessive movement during handling. These stops comprise pins 33, 34 adjustably mounted above and below the stylus-bar pivot in lugs 25 on a plate 36 secured by sweating &c. to the ring 5.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268257XA | 1926-06-12 | 1926-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB268257A true GB268257A (en) | 1927-03-31 |
Family
ID=21833984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30918/26A Expired GB268257A (en) | 1926-06-12 | 1926-12-06 | Improvements in sound-boxes for gramophones and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB268257A (en) |
-
1926
- 1926-12-06 GB GB30918/26A patent/GB268257A/en not_active Expired
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