GB775658A - Improvements relating to record changing gramophones - Google Patents
Improvements relating to record changing gramophonesInfo
- Publication number
- GB775658A GB775658A GB1808053A GB1808053A GB775658A GB 775658 A GB775658 A GB 775658A GB 1808053 A GB1808053 A GB 1808053A GB 1808053 A GB1808053 A GB 1808053A GB 775658 A GB775658 A GB 775658A
- Authority
- GB
- United Kingdom
- Prior art keywords
- turntable
- record
- disc
- margin
- june
- 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
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/60—Turntables for record carriers
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
775,658. Gramophone turntables. GARRARD ENGINEERING & MANUFACTURING CO., Ltd., and SLADE, H. V. June 16, 1954 [June 30, 1953], No. 18080/53. Class 40 (2). A record-changing gramophone turntable 3 has a covering disc 1 of resilient material such as natural or synthetic rubber and of diameter slightly larger than the supporting surface 2 of the turntable to provide a peripheral margin 4 projecting beyond such surface 2. This margin provides an edge which yields when the disc receives the first of a stack of records mounted upon a centre spindle above the turntable, should such record not fall parallel to the plane of the disc surface. The margin is thickened by an upstanding bead which may comprise a plurality of spaced pads 5 to obviate suction when removing a record and to provide air cushioning for the first record as it falls. The disc, the upper surface has also a concentric series of spaced circular ribs 7, may be freely supported on the turntable, or permanently secured thereto by a cement, or detachably secured thereto by a synthetic resin cap 11 having undercut projections 10 received in key-hole slots 9 in a depressed wall 8 of the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1808053A GB775658A (en) | 1953-06-30 | 1953-06-30 | Improvements relating to record changing gramophones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1808053A GB775658A (en) | 1953-06-30 | 1953-06-30 | Improvements relating to record changing gramophones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB775658A true GB775658A (en) | 1957-05-29 |
Family
ID=10106318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1808053A Expired GB775658A (en) | 1953-06-30 | 1953-06-30 | Improvements relating to record changing gramophones |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB775658A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4689001A (en) * | 1985-04-23 | 1987-08-25 | Plasti-Bat, Inc. | Bat for potters wheel |
| GB2256303A (en) * | 1991-05-09 | 1992-12-02 | Denis Neil Morecroft | Record player mats |
| GB2404076A (en) * | 2003-07-15 | 2005-01-19 | B J Warman | Slipmats |
-
1953
- 1953-06-30 GB GB1808053A patent/GB775658A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4689001A (en) * | 1985-04-23 | 1987-08-25 | Plasti-Bat, Inc. | Bat for potters wheel |
| GB2256303A (en) * | 1991-05-09 | 1992-12-02 | Denis Neil Morecroft | Record player mats |
| GB2256303B (en) * | 1991-05-09 | 1994-11-09 | Denis Neil Morecroft | Record player mats |
| GB2404076A (en) * | 2003-07-15 | 2005-01-19 | B J Warman | Slipmats |
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