GB1116968A - Improvements in or relating to record players - Google Patents
Improvements in or relating to record playersInfo
- Publication number
- GB1116968A GB1116968A GB1533/66A GB153366A GB1116968A GB 1116968 A GB1116968 A GB 1116968A GB 1533/66 A GB1533/66 A GB 1533/66A GB 153366 A GB153366 A GB 153366A GB 1116968 A GB1116968 A GB 1116968A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cam
- striker
- pinion
- record
- moves
- 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
- G11B3/02—Arrangements of heads
- G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
Landscapes
- Moving Of Heads (AREA)
- Automatic Disk Changers (AREA)
Abstract
1,116,968. Auto-change mechanism. WARWICK ELECTRONICS Inc. 12 Jan., 1966 [12 Jan., 1965], No. 1533/66. Heading G5R. Arrangement for tripping an automatic change mechanism for a record player when the playing of a record is completed, comprises a toothed cam-wheel 20, which drives the change mechanism during one revolution and includes a toothed portion 22 adjacent a pinion 13 rotating with the turntable 11, a striker 14 rotating with the pinion, a pawl 23 pivotally mounted at 24 on the cam-wheel and hook connected to the upper of a pair of frictionallycoupled, relatively-movable link plates 28, 31 which are guided to move in the direction of their length and a link 41 connected to a member which moves with the tone arm and acts on the lower link member 28. Slow inward movement of the tone arm, towards the end of a record, moves the pawl via the link mechanism into contact with the striker. The striker taps the pawl back in the opposite direction, the movement being taken up by the frictionally coupled members, until the tone arm moves into the run out groove when the increased inward movement of the arm advances the cam into positive engagement with the striker and the cam plate is rotated to bring its teeth into drive engagement with the pinion. The apparatus is reset by engagement of a lug 43 with a reset cam 44 mounted on the motor board as the cam-wheel rotates.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US424897A US3339928A (en) | 1965-01-12 | 1965-01-12 | Velocity trip mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1116968A true GB1116968A (en) | 1968-06-12 |
Family
ID=23684324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1533/66A Expired GB1116968A (en) | 1965-01-12 | 1966-01-12 | Improvements in or relating to record players |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3339928A (en) |
| GB (1) | GB1116968A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291886A (en) * | 1977-07-05 | 1981-09-29 | James T. Dennis | Automatic record changer |
| JPH0742837B2 (en) * | 1986-06-13 | 1995-05-10 | 塚本精機株式会社 | Rotary shaft sealing device for cutter of drill bit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2898114A (en) * | 1951-01-11 | 1959-08-04 | Admiral Corp | Pivoted post changer |
| US3049354A (en) * | 1957-07-19 | 1962-08-14 | Birmingham Sound Reproducers | Sound reproducing apparatus |
-
1965
- 1965-01-12 US US424897A patent/US3339928A/en not_active Expired - Lifetime
-
1966
- 1966-01-12 GB GB1533/66A patent/GB1116968A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3339928A (en) | 1967-09-05 |
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